diff options
55 files changed, 724 insertions, 436 deletions
diff --git a/tools/perf/util/include/asm/bug.h b/tools/include/asm/bug.h index 7fcc681..9e5f484 100644 --- a/tools/perf/util/include/asm/bug.h +++ b/tools/include/asm/bug.h @@ -1,5 +1,7 @@ -#ifndef _PERF_ASM_GENERIC_BUG_H -#define _PERF_ASM_GENERIC_BUG_H +#ifndef _TOOLS_ASM_BUG_H +#define _TOOLS_ASM_BUG_H + +#include <linux/compiler.h> #define __WARN_printf(arg...) do { fprintf(stderr, arg); } while (0) @@ -19,4 +21,5 @@ __warned = 1; \ unlikely(__ret_warn_once); \ }) -#endif + +#endif /* _TOOLS_ASM_BUG_H */ diff --git a/tools/perf/util/include/linux/compiler.h b/tools/include/linux/compiler.h index b003ad7..fbc6665 100644 --- a/tools/perf/util/include/linux/compiler.h +++ b/tools/include/linux/compiler.h @@ -1,5 +1,5 @@ -#ifndef _PERF_LINUX_COMPILER_H_ -#define _PERF_LINUX_COMPILER_H_ +#ifndef _TOOLS_LINUX_COMPILER_H_ +#define _TOOLS_LINUX_COMPILER_H_ #ifndef __always_inline # define __always_inline inline __attribute__((always_inline)) @@ -27,4 +27,12 @@ # define __weak __attribute__((weak)) #endif +#ifndef likely +# define likely(x) __builtin_expect(!!(x), 1) #endif + +#ifndef unlikely +# define unlikely(x) __builtin_expect(!!(x), 0) +#endif + +#endif /* _TOOLS_LINUX_COMPILER_H */ diff --git a/tools/lib/traceevent/Makefile b/tools/lib/traceevent/Makefile index ca4ab78..f778d48 100644 --- a/tools/lib/traceevent/Makefile +++ b/tools/lib/traceevent/Makefile @@ -86,8 +86,8 @@ ifeq ($(BUILD_SRC),) ifneq ($(OUTPUT),) define build_output - $(if $(VERBOSE:1=),@)+$(MAKE) -C $(OUTPUT) \ - BUILD_SRC=$(CURDIR)/ -f $(CURDIR)/Makefile $1 + $(if $(VERBOSE:1=),@)+$(MAKE) -C $(OUTPUT) \ + BUILD_SRC=$(CURDIR)/ -f $(CURDIR)/Makefile $1 endef all: sub-make @@ -221,23 +221,23 @@ $(PLUGINS): %.so: %.o $(QUIET_LINK)$(CC) $(CFLAGS) -shared -nostartfiles -o $@ $< define make_version.h - (echo '/* This file is automatically generated. Do not modify. */'; \ - echo \#define VERSION_CODE $(shell \ - expr $(VERSION) \* 256 + $(PATCHLEVEL)); \ - echo '#define EXTRAVERSION ' $(EXTRAVERSION); \ - echo '#define VERSION_STRING "'$(VERSION).$(PATCHLEVEL).$(EXTRAVERSION)'"'; \ - echo '#define FILE_VERSION '$(FILE_VERSION); \ - ) > $1 + (echo '/* This file is automatically generated. Do not modify. */'; \ + echo \#define VERSION_CODE $(shell \ + expr $(VERSION) \* 256 + $(PATCHLEVEL)); \ + echo '#define EXTRAVERSION ' $(EXTRAVERSION); \ + echo '#define VERSION_STRING "'$(VERSION).$(PATCHLEVEL).$(EXTRAVERSION)'"'; \ + echo '#define FILE_VERSION '$(FILE_VERSION); \ + ) > $1 endef define update_version.h - ($(call make_version.h, $@.tmp); \ - if [ -r $@ ] && cmp -s $@ $@.tmp; then \ - rm -f $@.tmp; \ - else \ - echo ' UPDATE $@'; \ - mv -f $@.tmp $@; \ - fi); + ($(call make_version.h, $@.tmp); \ + if [ -r $@ ] && cmp -s $@ $@.tmp; then \ + rm -f $@.tmp; \ + else \ + echo ' UPDATE $@'; \ + mv -f $@.tmp $@; \ + fi); endef ep_version.h: force @@ -246,13 +246,13 @@ ep_version.h: force VERSION_FILES = ep_version.h define update_dir - (echo $1 > $@.tmp; \ - if [ -r $@ ] && cmp -s $@ $@.tmp; then \ - rm -f $@.tmp; \ - else \ - echo ' UPDATE $@'; \ - mv -f $@.tmp $@; \ - fi); + (echo $1 > $@.tmp; \ + if [ -r $@ ] && cmp -s $@ $@.tmp; then \ + rm -f $@.tmp; \ + else \ + echo ' UPDATE $@'; \ + mv -f $@.tmp $@; \ + fi); endef ## make deps @@ -262,10 +262,10 @@ all_deps := $(all_objs:%.o=.%.d) # let .d file also depends on the source and header files define check_deps - @set -e; $(RM) $@; \ - $(CC) -MM $(CFLAGS) $< > $@.$$$$; \ - sed 's,\($*\)\.o[ :]*,\1.o $@ : ,g' < $@.$$$$ > $@; \ - $(RM) $@.$$$$ + @set -e; $(RM) $@; \ + $(CC) -MM $(CFLAGS) $< > $@.$$$$; \ + sed 's,\($*\)\.o[ :]*,\1.o $@ : ,g' < $@.$$$$ > $@; \ + $(RM) $@.$$$$ endef $(all_deps): .%.d: $(src)/%.c @@ -329,9 +329,12 @@ clean: endif # skip-makefile -PHONY += force +PHONY += force plugins force: +plugins: + @echo > /dev/null + # Declare the contents of the .PHONY variable as phony. We keep that # information in a variable so we can use it in if_changed and friends. .PHONY: $(PHONY) diff --git a/tools/perf/Documentation/perf-record.txt b/tools/perf/Documentation/perf-record.txt index c407897..82bffac 100644 --- a/tools/perf/Documentation/perf-record.txt +++ b/tools/perf/Documentation/perf-record.txt @@ -209,6 +209,10 @@ overrides that and uses per-thread mmaps. A side-effect of that is that inheritance is automatically disabled. --per-thread is ignored with a warning if combined with -a or -C options. +--initial-delay msecs:: +After starting the program, wait msecs before measuring. This is useful to +filter out the startup phase of the program, which is often very different. + SEE ALSO -------- linkperf:perf-stat[1], linkperf:perf-list[1] diff --git a/tools/perf/Documentation/perf-stat.txt b/tools/perf/Documentation/perf-stat.txt index 80c7da6..29ee857 100644 --- a/tools/perf/Documentation/perf-stat.txt +++ b/tools/perf/Documentation/perf-stat.txt @@ -133,7 +133,7 @@ use --per-core in addition to -a. (system-wide). The output includes the core number and the number of online logical processors on that physical processor. -D msecs:: ---initial-delay msecs:: +--delay msecs:: After starting the program, wait msecs before measuring. This is useful to filter out the startup phase of the program, which is often very different. diff --git a/tools/perf/MANIFEST b/tools/perf/MANIFEST index 3170a7f..f41572d 100644 --- a/tools/perf/MANIFEST +++ b/tools/perf/MANIFEST @@ -1,9 +1,11 @@ tools/perf tools/scripts tools/lib/traceevent -tools/lib/lk +tools/lib/api tools/lib/symbol/kallsyms.c tools/lib/symbol/kallsyms.h +tools/include/asm/bug.h +tools/include/linux/compiler.h include/linux/const.h include/linux/perf_event.h include/linux/rbtree.h diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf index 3638b0b..87d7726 100644 --- a/tools/perf/Makefile.perf +++ b/tools/perf/Makefile.perf @@ -211,7 +211,7 @@ LIB_H += ../../include/linux/hash.h LIB_H += ../../include/linux/stringify.h LIB_H += util/include/linux/bitmap.h LIB_H += util/include/linux/bitops.h -LIB_H += util/include/linux/compiler.h +LIB_H += ../include/linux/compiler.h LIB_H += util/include/linux/const.h LIB_H += util/include/linux/ctype.h LIB_H += util/include/linux/kernel.h @@ -226,7 +226,7 @@ LIB_H += util/include/linux/string.h LIB_H += util/include/linux/types.h LIB_H += util/include/linux/linkage.h LIB_H += util/include/asm/asm-offsets.h -LIB_H += util/include/asm/bug.h +LIB_H += ../include/asm/bug.h LIB_H += util/include/asm/byteorder.h LIB_H += util/include/asm/hweight.h LIB_H += util/include/asm/swab.h diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c index ab65057..0da603b 100644 --- a/tools/perf/builtin-annotate.c +++ b/tools/perf/builtin-annotate.c @@ -232,7 +232,7 @@ static int __cmd_annotate(struct perf_annotate *ann) perf_session__fprintf_dsos(session, stdout); total_nr_samples = 0; - list_for_each_entry(pos, &session->evlist->entries, node) { + evlist__for_each(session->evlist, pos) { struct hists *hists = &pos->hists; u32 nr_samples = hists->stats.nr_events[PERF_RECORD_SAMPLE]; diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c index e6a0844..a77e312 100644 --- a/tools/perf/builtin-diff.c +++ b/tools/perf/builtin-diff.c @@ -356,9 +356,10 @@ static struct perf_evsel *evsel_match(struct perf_evsel *evsel, { struct perf_evsel *e; - list_for_each_entry(e, &evlist->entries, node) + evlist__for_each(evlist, e) { if (perf_evsel__match2(evsel, e)) return e; + } return NULL; } @@ -367,7 +368,7 @@ static void perf_evlist__collapse_resort(struct perf_evlist *evlist) { struct perf_evsel *evsel; - list_for_each_entry(evsel, &evlist->entries, node) { + evlist__for_each(evlist, evsel) { struct hists *hists = &evsel->hists; hists__collapse_resort(hists, NULL); @@ -614,7 +615,7 @@ static void data_process(void) struct perf_evsel *evsel_base; bool first = true; - list_for_each_entry(evsel_base, &evlist_base->entries, node) { + evlist__for_each(evlist_base, evsel_base) { struct data__file *d; int i; @@ -769,6 +770,81 @@ static int hpp__entry_baseline(struct hist_entry *he, char *buf, size_t size) return ret; } +static int __hpp__color_compare(struct perf_hpp_fmt *fmt, + struct perf_hpp *hpp, struct hist_entry *he, + int comparison_method) +{ + struct diff_hpp_fmt *dfmt = + container_of(fmt, struct diff_hpp_fmt, fmt); + struct hist_entry *pair = get_pair_fmt(he, dfmt); + double diff; + s64 wdiff; + char pfmt[20] = " "; + + if (!pair) + goto dummy_print; + + switch (comparison_method) { + case COMPUTE_DELTA: + if (pair->diff.computed) + diff = pair->diff.period_ratio_delta; + else + diff = compute_delta(he, pair); + + if (fabs(diff) < 0.01) + goto dummy_print; + scnprintf(pfmt, 20, "%%%+d.2f%%%%", dfmt->header_width - 1); + return percent_color_snprintf(hpp->buf, hpp->size, + pfmt, diff); + case COMPUTE_RATIO: + if (he->dummy) + goto dummy_print; + if (pair->diff.computed) + diff = pair->diff.period_ratio; + else + diff = compute_ratio(he, pair); + + scnprintf(pfmt, 20, "%%%d.6f", dfmt->header_width); + return value_color_snprintf(hpp->buf, hpp->size, + pfmt, diff); + case COMPUTE_WEIGHTED_DIFF: + if (he->dummy) + goto dummy_print; + if (pair->diff.computed) + wdiff = pair->diff.wdiff; + else + wdiff = compute_wdiff(he, pair); + + scnprintf(pfmt, 20, "%%14ld", dfmt->header_width); + return color_snprintf(hpp->buf, hpp->size, + get_percent_color(wdiff), + pfmt, wdiff); + default: + BUG_ON(1); + } +dummy_print: + return scnprintf(hpp->buf, hpp->size, "%*s", + dfmt->header_width, pfmt); +} + +static int hpp__color_delta(struct perf_hpp_fmt *fmt, + struct perf_hpp *hpp, struct hist_entry *he) +{ + return __hpp__color_compare(fmt, hpp, he, COMPUTE_DELTA); +} + +static int hpp__color_ratio(struct perf_hpp_fmt *fmt, + struct perf_hpp *hpp, struct hist_entry *he) +{ + return __hpp__color_compare(fmt, hpp, he, COMPUTE_RATIO); +} + +static int hpp__color_wdiff(struct perf_hpp_fmt *fmt, + struct perf_hpp *hpp, struct hist_entry *he) +{ + return __hpp__color_compare(fmt, hpp, he, COMPUTE_WEIGHTED_DIFF); +} + static void hpp__entry_unpair(struct hist_entry *he, int idx, char *buf, size_t size) { @@ -940,8 +1016,22 @@ static void data__hpp_register(struct data__file *d, int idx) fmt->entry = hpp__entry_global; /* TODO more colors */ - if (idx == PERF_HPP_DIFF__BASELINE) + switch (idx) { + case PERF_HPP_DIFF__BASELINE: fmt->color = hpp__color_baseline; + break; + case PERF_HPP_DIFF__DELTA: + fmt->color = hpp__color_delta; + break; + case PERF_HPP_DIFF__RATIO: + fmt->color = hpp__color_ratio; + break; + case PERF_HPP_DIFF__WEIGHTED_DIFF: + fmt->color = hpp__color_wdiff; + break; + default: + break; + } init_header(d, dfmt); perf_hpp__column_register(fmt); diff --git a/tools/perf/builtin-evlist.c b/tools/perf/builtin-evlist.c index 20b0f12..c99e0de 100644 --- a/tools/perf/builtin-evlist.c +++ b/tools/perf/builtin-evlist.c @@ -29,7 +29,7 @@ static int __cmd_evlist(const char *file_name, struct perf_attr_details *details if (session == NULL) return -ENOMEM; - list_for_each_entry(pos, &session->evlist->entries, node) + evlist__for_each(session->evlist, pos) perf_evsel__fprintf(pos, details, stdout); perf_session__delete(session); diff --git a/tools/perf/builtin-inject.c b/tools/perf/builtin-inject.c index c9f6d74..b346601 100644 --- a/tools/perf/builtin-inject.c +++ b/tools/perf/builtin-inject.c @@ -369,7 +369,7 @@ static int __cmd_inject(struct perf_inject *inject) inject->tool.ordered_samples = true; - list_for_each_entry(evsel, &session->evlist->entries, node) { + evlist__for_each(session->evlist, evsel) { const char *name = perf_evsel__name(evsel); if (!strcmp(name, "sched:sched_switch")) { diff --git a/tools/perf/builtin-kvm.c b/tools/perf/builtin-kvm.c index a6ec105..a735051 100644 --- a/tools/perf/builtin-kvm.c +++ b/tools/perf/builtin-kvm.c @@ -1174,7 +1174,7 @@ static int kvm_live_open_events(struct perf_kvm_stat *kvm) * Note: exclude_{guest,host} do not apply here. * This command processes KVM tracepoints from host only */ - list_for_each_entry(pos, &evlist->entries, node) { + evlist__for_each(evlist, pos) { struct perf_event_attr *attr = &pos->attr; /* make sure these *are* set */ @@ -1556,10 +1556,8 @@ out: if (kvm->session) perf_session__delete(kvm->session); kvm->session = NULL; - if (kvm->evlist) { - perf_evlist__delete_maps(kvm->evlist); + if (kvm->evlist) perf_evlist__delete(kvm->evlist); - } return err; } diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index 6ec0cbc..07d4cf8 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -183,7 +183,7 @@ static int record__open(struct record *rec) perf_evlist__config(evlist, opts); - list_for_each_entry(pos, &evlist->entries, node) { + evlist__for_each(evlist, pos) { try_again: if (perf_evsel__open(pos, evlist->cpus, evlist->threads) < 0) { if (perf_evsel__fallback(pos, errno, msg, sizeof(msg))) { @@ -324,7 +324,6 @@ out: static void record__init_features(struct record *rec) { - struct perf_evlist *evsel_list = rec->evlist; struct perf_session *session = rec->session; int feat; @@ -334,13 +333,29 @@ static void record__init_features(struct record *rec) if (rec->no_buildid) perf_header__clear_feat(&session->header, HEADER_BUILD_ID); - if (!have_tracepoints(&evsel_list->entries)) + if (!have_tracepoints(&rec->evlist->entries)) perf_header__clear_feat(&session->header, HEADER_TRACING_DATA); if (!rec->opts.branch_stack) perf_header__clear_feat(&session->header, HEADER_BRANCH_STACK); } +static volatile int workload_exec_errno; + +/* + * perf_evlist__prepare_workload will send a SIGUSR1 + * if the fork fails, since we asked by setting its + * want_signal to true. + */ +static void workload_exec_failed_signal(int signo, siginfo_t *info, + void *ucontext __maybe_unused) +{ + workload_exec_errno = info->si_value.sival_int; + done = 1; + signr = signo; + child_finished = 1; +} + static int __cmd_record(struct record *rec, int argc, const char **argv) { int err; @@ -349,7 +364,6 @@ static int __cmd_record(struct record *rec, int argc, const char **argv) struct machine *machine; struct perf_tool *tool = &rec->tool; struct record_opts *opts = &rec->opts; - struct perf_evlist *evsel_list = rec->evlist; struct perf_data_file *file = &rec->file; struct perf_session *session; bool disabled = false; @@ -359,7 +373,6 @@ static int __cmd_record(struct record *rec, int argc, const char **argv) on_exit(record__sig_exit, rec); signal(SIGCHLD, sig_handler); signal(SIGINT, sig_handler); - signal(SIGUSR1, sig_handler); signal(SIGTERM, sig_handler); session = perf_session__new(file, false, NULL); @@ -373,9 +386,9 @@ static int __cmd_record(struct record *rec, int argc, const char **argv) record__init_features(rec); if (forks) { - err = perf_evlist__prepare_workload(evsel_list, &opts->target, + err = perf_evlist__prepare_workload(rec->evlist, &opts->target, argv, file->is_pipe, - true); + workload_exec_failed_signal); if (err < 0) { pr_err("Couldn't run the workload!\n"); goto out_delete_session; @@ -387,7 +400,7 @@ static int __cmd_record(struct record *rec, int argc, const char **argv) goto out_delete_session; } - if (!evsel_list->nr_groups) + if (!rec->evlist->nr_groups) perf_header__clear_feat(&session->header, HEADER_GROUP_DESC); /* @@ -400,7 +413,7 @@ static int __cmd_record(struct record *rec, int argc, const char **argv) if (err < 0) goto out_delete_session; } else { - err = perf_session__write_header(session, evsel_list, + err = perf_session__write_header(session, rec->evlist, file->fd, false); if (err < 0) goto out_delete_session; @@ -424,7 +437,7 @@ static int __cmd_record(struct record *rec, int argc, const char **argv) goto out_delete_session; } - if (have_tracepoints(&evsel_list->entries)) { + if (have_tracepoints(&rec->evlist->entries)) { /* * FIXME err <= 0 here actually means that * there were no tracepoints so its not really @@ -433,7 +446,7 @@ static int __cmd_record(struct record *rec, int argc, const char **argv) * return this more properly and also * propagate errors that now are calling die() */ - err = perf_event__synthesize_tracing_data(tool, file->fd, evsel_list, + err = perf_event__synthesize_tracing_data(tool, file->fd, rec->evlist, process_synthesized_event); if (err <= 0) { pr_err("Couldn't record tracing data.\n"); @@ -465,7 +478,7 @@ static int __cmd_record(struct record *rec, int argc, const char **argv) perf_event__synthesize_guest_os, tool); } - err = __machine__synthesize_threads(machine, tool, &opts->target, evsel_list->threads, + err = __machine__synthesize_threads(machine, tool, &opts->target, rec->evlist->threads, process_synthesized_event, opts->sample_address); if (err != 0) goto out_delete_session; @@ -486,14 +499,19 @@ static int __cmd_record(struct record *rec, int argc, const char **argv) * (apart from group members) have enable_on_exec=1 set, * so don't spoil it by prematurely enabling them. */ - if (!target__none(&opts->target)) - perf_evlist__enable(evsel_list); + if (!target__none(&opts->target) && !opts->initial_delay) + perf_evlist__enable(rec->evlist); /* * Let the child rip */ if (forks) - perf_evlist__start_workload(evsel_list); + perf_evlist__start_workload(rec->evlist); + + if (opts->initial_delay) { + usleep(opts->initial_delay * 1000); + perf_evlist__enable(rec->evlist); + } for (;;) { int hits = rec->samples; @@ -506,7 +524,7 @@ static int __cmd_record(struct record *rec, int argc, const char **argv) if (hits == rec->samples) { if (done) break; - err = poll(evsel_list->pollfd, evsel_list->nr_fds, -1); + err = poll(rec->evlist->pollfd, rec->evlist->nr_fds, -1); waking++; } @@ -516,11 +534,19 @@ static int __cmd_record(struct record *rec, int argc, const char **argv) * disable events in this case. */ if (done && !disabled && !target__none(&opts->target)) { - perf_evlist__disable(evsel_list); + perf_evlist__disable(rec->evlist); disabled = true; } } + if (forks && workload_exec_errno) { + char msg[512]; + const char *emsg = strerror_r(workload_exec_errno, msg, sizeof(msg)); + pr_err("Workload failed: %s\n", emsg); + err = -1; + goto out_delete_session; + } + if (quiet || signr == SIGUSR1) return 0; @@ -856,6 +882,8 @@ const struct option record_options[] = { OPT_CALLBACK('G', "cgroup", &record.evlist, "name", "monitor event in cgroup name only", parse_cgroups), + OPT_UINTEGER(0, "initial-delay", &record.opts.initial_delay, + "ms to wait before starting measurement after program start"), OPT_STRING('u', "uid", &record.opts.target.uid_str, "user", "user to profile"), @@ -878,16 +906,13 @@ const struct option record_options[] = { int cmd_record(int argc, const char **argv, const char *prefix __maybe_unused) { int err = -ENOMEM; - struct perf_evlist *evsel_list; struct record *rec = &record; char errbuf[BUFSIZ]; - evsel_list = perf_evlist__new(); - if (evsel_list == NULL) + rec->evlist = perf_evlist__new(); + if (rec->evlist == NULL) return -ENOMEM; - rec->evlist = evsel_list; - argc = parse_options(argc, argv, record_options, record_usage, PARSE_OPT_STOP_AT_NON_OPTION); if (!argc && target__none(&rec->opts.target)) @@ -914,8 +939,8 @@ int cmd_record(int argc, const char **argv, const char *prefix __maybe_unused) if (rec->no_buildid_cache || rec->no_buildid) disable_buildid_cache(); - if (evsel_list->nr_entries == 0 && - perf_evlist__add_default(evsel_list) < 0) { + if (rec->evlist->nr_entries == 0 && + perf_evlist__add_default(rec->evlist) < 0) { pr_err("Not enough memory for event selector list\n"); goto out_symbol_exit; } @@ -941,20 +966,15 @@ int cmd_record(int argc, const char **argv, const char *prefix __maybe_unused) } err = -ENOMEM; - if (perf_evlist__create_maps(evsel_list, &rec->opts.target) < 0) + if (perf_evlist__create_maps(rec->evlist, &rec->opts.target) < 0) usage_with_options(record_usage, record_options); if (record_opts__config(&rec->opts)) { err = -EINVAL; - goto out_free_fd; + goto out_symbol_exit; } err = __cmd_record(&record, argc, argv); - - perf_evlist__munmap(evsel_list); - perf_evlist__close(evsel_list); -out_free_fd: - perf_evlist__delete_maps(evsel_list); out_symbol_exit: symbol__exit(); return err; diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index bf8dd2e..46864dd 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -384,7 +384,7 @@ static int perf_evlist__tty_browse_hists(struct perf_evlist *evlist, { struct perf_evsel *pos; - list_for_each_entry(pos, &evlist->entries, node) { + evlist__for_each(evlist, pos) { struct hists *hists = &pos->hists; const char *evname = perf_evsel__name(pos); @@ -412,40 +412,11 @@ static int perf_evlist__tty_browse_hists(struct perf_evlist *evlist, return 0; } -static int __cmd_report(struct report *rep) +static void report__warn_kptr_restrict(const struct report *rep) { - int ret = -EINVAL; - u64 nr_samples; - struct perf_session *session = rep->session; - struct perf_evsel *pos; - struct map *kernel_map; - struct kmap *kernel_kmap; - const char *help = "For a higher level overview, try: perf report --sort comm,dso"; - struct ui_progress prog; - struct perf_data_file *file = session->file; + struct map *kernel_map = rep->session->machines.host.vmlinux_maps[MAP__FUNCTION]; + struct kmap *kernel_kmap = map__kmap(kernel_map); - signal(SIGINT, sig_handler); - - if (rep->cpu_list) { - ret = perf_session__cpu_bitmap(session, rep->cpu_list, - rep->cpu_bitmap); - if (ret) - return ret; - } - - if (rep->show_threads) - perf_read_values_init(&rep->show_threads_values); - - ret = report__setup_sample_type(rep); - if (ret) - return ret; - - ret = perf_session__process_events(session, &rep->tool); - if (ret) - return ret; - - kernel_map = session->machines.host.vmlinux_maps[MAP__FUNCTION]; - kernel_kmap = map__kmap(kernel_map); if (kernel_map == NULL || (kernel_map->dso->hit && (kernel_kmap->ref_reloc_sym == NULL || @@ -468,28 +439,73 @@ static int __cmd_report(struct report *rep) "Samples in kernel modules can't be resolved as well.\n\n", desc); } +} - if (use_browser == 0) { - if (verbose > 3) - perf_session__fprintf(session, stdout); +static int report__gtk_browse_hists(struct report *rep, const char *help) +{ + int (*hist_browser)(struct perf_evlist *evlist, const char *help, + struct hist_browser_timer *timer, float min_pcnt); - if (verbose > 2) - perf_session__fprintf_dsos(session, stdout); + hist_browser = dlsym(perf_gtk_handle, "perf_evlist__gtk_browse_hists"); - if (dump_trace) { - perf_session__fprintf_nr_events(session, stdout); - return 0; - } + if (hist_browser == NULL) { + ui__error("GTK browser not found!\n"); + return -1; } - nr_samples = 0; - list_for_each_entry(pos, &session->evlist->entries, node) + return hist_browser(rep->session->evlist, help, NULL, rep->min_percent); +} + +static int report__browse_hists(struct report *rep) +{ + int ret; + struct perf_session *session = rep->session; + struct perf_evlist *evlist = session->evlist; + const char *help = "For a higher level overview, try: perf report --sort comm,dso"; + + switch (use_browser) { + case 1: + ret = perf_evlist__tui_browse_hists(evlist, help, NULL, + rep->min_percent, + &session->header.env); + /* + * Usually "ret" is the last pressed key, and we only + * care if the key notifies us to switch data file. + */ + if (ret != K_SWITCH_INPUT_DATA) + ret = 0; + break; + case 2: + ret = report__gtk_browse_hists(rep, help); + break; + default: + ret = perf_evlist__tty_browse_hists(evlist, rep, help); + break; + } + + return ret; +} + +static u64 report__collapse_hists(struct report *rep) +{ + struct ui_progress prog; + struct perf_evsel *pos; + u64 nr_samples = 0; + /* + * Count number of histogram entries to use when showing progress, + * reusing nr_samples variable. + */ + evlist__for_each(rep->session->evlist, pos) nr_samples += pos->hists.nr_entries; ui_progress__init(&prog, nr_samples, "Merging related events..."); - + /* + * Count total number of samples, will be used to check if this + * session had any. + */ nr_samples = 0; - list_for_each_entry(pos, &session->evlist->entries, node) { + + evlist__for_each(rep->session->evlist, pos) { struct hists *hists = &pos->hists; if (pos->idx == 0) @@ -507,8 +523,57 @@ static int __cmd_report(struct report *rep) hists__link(leader_hists, hists); } } + ui_progress__finish(); + return nr_samples; +} + +static int __cmd_report(struct report *rep) +{ + int ret; + u64 nr_samples; + struct perf_session *session = rep->session; + struct perf_evsel *pos; + struct perf_data_file *file = session->file; + + signal(SIGINT, sig_handler); + + if (rep->cpu_list) { + ret = perf_session__cpu_bitmap(session, rep->cpu_list, + rep->cpu_bitmap); + if (ret) + return ret; + } + + if (rep->show_threads) + perf_read_values_init(&rep->show_threads_values); + + ret = report__setup_sample_type(rep); + if (ret) + return ret; + + ret = perf_session__process_events(session, &rep->tool); + if (ret) + return ret; + + report__warn_kptr_restrict(rep); + + if (use_browser == 0) { + if (verbose > 3) + perf_session__fprintf(session, stdout); + + if (verbose > 2) + perf_session__fprintf_dsos(session, stdout); + + if (dump_trace) { + perf_session__fprintf_nr_events(session, stdout); + return 0; + } + } + + nr_samples = report__collapse_hists(rep); + if (session_done()) return 0; @@ -517,41 +582,10 @@ static int __cmd_report(struct report *rep) return 0; } - list_for_each_entry(pos, &session->evlist->entries, node) + evlist__for_each(session->evlist, pos) hists__output_resort(&pos->hists); - if (use_browser > 0) { - if (use_browser == 1) { - ret = perf_evlist__tui_browse_hists(session->evlist, - help, NULL, - rep->min_percent, - &session->header.env); - /* - * Usually "ret" is the last pressed key, and we only - * care if the key notifies us to switch data file. - */ - if (ret != K_SWITCH_INPUT_DATA) - ret = 0; - - } else if (use_browser == 2) { - int (*hist_browser)(struct perf_evlist *, - const char *, - struct hist_browser_timer *, - float min_pcnt); - - hist_browser = dlsym(perf_gtk_handle, - "perf_evlist__gtk_browse_hists"); - if (hist_browser == NULL) { - ui__error("GTK browser not found!\n"); - return ret; - } - hist_browser(session->evlist, help, NULL, - rep->min_percent); - } - } else - perf_evlist__tty_browse_hists(session->evlist, rep, help); - - return ret; + return report__browse_hists(rep); } static int diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c index 6040000..9e9c91f 100644 --- a/tools/perf/builtin-script.c +++ b/tools/perf/builtin-script.c @@ -603,7 +603,7 @@ static int process_attr(struct perf_tool *tool, union perf_event *event, if (evsel->attr.type >= PERF_TYPE_MAX) return 0; - list_for_each_entry(pos, &evlist->entries, node) { + evlist__for_each(evlist, pos) { if (pos->attr.type == evsel->attr.type && pos != evsel) return 0; } @@ -1309,8 +1309,7 @@ static int check_ev_match(char *dir_name, char *scriptname, snprintf(evname, len + 1, "%s", p); match = 0; - list_for_each_entry(pos, - &session->evlist->entries, node) { + evlist__for_each(session->evlist, pos) { if (!strcmp(perf_evsel__name(pos), evname)) { match = 1; break; diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index 106a5e5..8b0e1c9 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -214,7 +214,7 @@ static void perf_evlist__free_stats(struct perf_evlist *evlist) { struct perf_evsel *evsel; - list_for_each_entry(evsel, &evlist->entries, node) { + evlist__for_each(evlist, evsel) { perf_evsel__free_stat_priv(evsel); perf_evsel__free_counts(evsel); perf_evsel__free_prev_raw_counts(evsel); @@ -225,7 +225,7 @@ static int perf_evlist__alloc_stats(struct perf_evlist *evlist, bool alloc_raw) { struct perf_evsel *evsel; - list_for_each_entry(evsel, &evlist->entries, node) { + evlist__for_each(evlist, evsel) { if (perf_evsel__alloc_stat_priv(evsel) < 0 || perf_evsel__alloc_counts(evsel, perf_evsel__nr_cpus(evsel)) < 0 || (alloc_raw && perf_evsel__alloc_prev_raw_counts(evsel) < 0)) @@ -259,7 +259,7 @@ static void perf_stat__reset_stats(struct perf_evlist *evlist) { struct perf_evsel *evsel; - list_for_each_entry(evsel, &evlist->entries, node) { + evlist__for_each(evlist, evsel) { perf_evsel__reset_stat_priv(evsel); perf_evsel__reset_counts(evsel, perf_evsel__nr_cpus(evsel)); } @@ -326,13 +326,13 @@ static struct perf_evsel *nth_evsel(int n) /* Assumes this only called when evsel_list does not change anymore. */ if (!array) { - list_for_each_entry(ev, &evsel_list->entries, node) + evlist__for_each(evsel_list, ev) array_len++; array = malloc(array_len * sizeof(void *)); if (!array) exit(ENOMEM); j = 0; - list_for_each_entry(ev, &evsel_list->entries, node) + evlist__for_each(evsel_list, ev) array[j++] = ev; } if (n < array_len) @@ -440,13 +440,13 @@ static void print_interval(void) char prefix[64]; if (aggr_mode == AGGR_GLOBAL) { - list_for_each_entry(counter, &evsel_list->entries, node) { + evlist__for_each(evsel_list, counter) { ps = counter->priv; memset(ps->res_stats, 0, sizeof(ps->res_stats)); read_counter_aggr(counter); } } else { - list_for_each_entry(counter, &evsel_list->entries, node) { + evlist__for_each(evsel_list, counter) { ps = counter->priv; memset(ps->res_stats, 0, sizeof(ps->res_stats)); read_counter(counter); @@ -483,12 +483,12 @@ static void print_interval(void) print_aggr(prefix); break; case AGGR_NONE: - list_for_each_entry(counter, &evsel_list->entries, node) + evlist__for_each(evsel_list, counter) print_counter(counter, prefix); break; case AGGR_GLOBAL: default: - list_for_each_entry(counter, &evsel_list->entries, node) + evlist__for_each(evsel_list, counter) print_counter_aggr(counter, prefix); } @@ -504,11 +504,24 @@ static void handle_initial_delay(void) nthreads = thread_map__nr(evsel_list->threads); usleep(initial_delay * 1000); - list_for_each_entry(counter, &evsel_list->entries, node) + evlist__for_each(evsel_list, counter) perf_evsel__enable(counter, ncpus, nthreads); } } +static volatile int workload_exec_errno; + +/* + * perf_evlist__prepare_workload will send a SIGUSR1 + * if the fork fails, since we asked by setting its + * want_signal to true. + */ +static void workload_exec_failed_signal(int signo __maybe_unused, siginfo_t *info, + void *ucontext __maybe_unused) +{ + workload_exec_errno = info->si_value.sival_int; +} + static int __run_perf_stat(int argc, const char **argv) { char msg[512]; @@ -528,8 +541,8 @@ static int __run_perf_stat(int argc, const char **argv) } if (forks) { - if (perf_evlist__prepare_workload(evsel_list, &target, argv, - false, false) < 0) { + if (perf_evlist__prepare_workload(evsel_list, &target, argv, false, + workload_exec_failed_signal) < 0) { perror("failed to prepare workload"); return -1; } @@ -539,7 +552,7 @@ static int __run_perf_stat(int argc, const char **argv) if (group) perf_evlist__set_leader(evsel_list); - list_for_each_entry(counter, &evsel_list->entries, node) { + evlist__for_each(evsel_list, counter) { if (create_perf_stat_counter(counter) < 0) { /* * PPC returns ENXIO for HW counters until 2.6.37 @@ -594,6 +607,13 @@ static int __run_perf_stat(int argc, const char **argv) } } wait(&status); + + if (workload_exec_errno) { + const char *emsg = strerror_r(workload_exec_errno, msg, sizeof(msg)); + pr_err("Workload failed: %s\n", emsg); + return -1; + } + if (WIFSIGNALED(status)) psignal(WTERMSIG(status), argv[0]); } else { @@ -610,13 +630,13 @@ static int __run_perf_stat(int argc, const char **argv) update_stats(&walltime_nsecs_stats, t1 - t0); if (aggr_mode == AGGR_GLOBAL) { - list_for_each_entry(counter, &evsel_list->entries, node) { + evlist__for_each(evsel_list, counter) { read_counter_aggr(counter); perf_evsel__close_fd(counter, perf_evsel__nr_cpus(counter), thread_map__nr(evsel_list->threads)); } } else { - list_for_each_entry(counter, &evsel_list->entries, node) { + evlist__for_each(evsel_list, counter) { read_counter(counter); perf_evsel__close_fd(counter, perf_evsel__nr_cpus(counter), 1); } @@ -625,7 +645,7 @@ static int __run_perf_stat(int argc, const char **argv) return WEXITSTATUS(status); } -static int run_perf_stat(int argc __maybe_unused, const char **argv) +static int run_perf_stat(int argc, const char **argv) { int ret; @@ -1097,7 +1117,7 @@ static void print_aggr(char *prefix) for (s = 0; s < aggr_map->nr; s++) { id = aggr_map->map[s]; - list_for_each_entry(counter, &evsel_list->entries, node) { + evlist__for_each(evsel_list, counter) { val = ena = run = 0; nr = 0; for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) { @@ -1308,11 +1328,11 @@ static void print_stat(int argc, const char **argv) print_aggr(NULL); break; case AGGR_GLOBAL: - list_for_each_entry(counter, &evsel_list->entries, node) + evlist__for_each(evsel_list, counter) print_counter_aggr(counter, NULL); break; case AGGR_NONE: - list_for_each_entry(counter, &evsel_list->entries, node) + evlist__for_each(evsel_list, counter) print_counter(counter, NULL); break; default: @@ -1762,14 +1782,14 @@ int cmd_stat(int argc, const char **argv, const char *prefix __maybe_unused) if (interval && interval < 100) { pr_err("print interval must be >= 100ms\n"); parse_options_usage(stat_usage, options, "I", 1); - goto out_free_maps; + goto out; } if (perf_evlist__alloc_stats(evsel_list, interval)) - goto out_free_maps; + goto out; if (perf_stat_init_aggr_mode()) - goto out_free_maps; + goto out; /* * We dont want to block the signals - that would cause @@ -1801,8 +1821,6 @@ int cmd_stat(int argc, const char **argv, const char *prefix __maybe_unused) print_stat(argc, argv); perf_evlist__free_stats(evsel_list); -out_free_maps: - perf_evlist__delete_maps(evsel_list); out: perf_evlist__delete(evsel_list); return status; diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index 172e91a..569dd87 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -482,7 +482,7 @@ static bool perf_top__handle_keypress(struct perf_top *top, int c) fprintf(stderr, "\nAvailable events:"); - list_for_each_entry(top->sym_evsel, &top->evlist->entries, node) + evlist__for_each(top->evlist, top->sym_evsel) fprintf(stderr, "\n\t%d %s", top->sym_evsel->idx, perf_evsel__name(top->sym_evsel)); prompt_integer(&counter, "Enter details event counter"); @@ -493,7 +493,7 @@ static bool perf_top__handle_keypress(struct perf_top *top, int c) sleep(1); break; } - list_for_each_entry(top->sym_evsel, &top->evlist->entries, node) + evlist__for_each(top->evlist, top->sym_evsel) if (top->sym_evsel->idx == counter) break; } else @@ -575,7 +575,7 @@ static void *display_thread_tui(void *arg) * Zooming in/out UIDs. For now juse use whatever the user passed * via --uid. */ - list_for_each_entry(pos, &top->evlist->entries, node) + evlist__for_each(top->evlist, pos) pos->hists.uid_filter_str = top->record_opts.target.uid_str; perf_evlist__tui_browse_hists(top->evlist, help, &hbt, top->min_percent, @@ -858,7 +858,7 @@ static int perf_top__start_counters(struct perf_top *top) perf_evlist__config(evlist, opts); - list_for_each_entry(counter, &evlist->entries, node) { + evlist__for_each(evlist, counter) { try_again: if (perf_evsel__open(counter, top->evlist->cpus, top->evlist->threads) < 0) { @@ -1171,7 +1171,7 @@ int cmd_top(int argc, const char **argv, const char *prefix __maybe_unused) if (!top.evlist->nr_entries && perf_evlist__add_default(top.evlist) < 0) { ui__error("Not enough memory for event selector list\n"); - goto out_delete_maps; + goto out_delete_evlist; } symbol_conf.nr_events = top.evlist->nr_entries; @@ -1181,7 +1181,7 @@ int cmd_top(int argc, const char **argv, const char *prefix __maybe_unused) if (record_opts__config(opts)) { status = -EINVAL; - goto out_delete_maps; + goto out_delete_evlist; } top.sym_evsel = perf_evlist__first(top.evlist); @@ -1206,8 +1206,6 @@ int cmd_top(int argc, const char **argv, const char *prefix __maybe_unused) status = __cmd_top(&top); -out_delete_maps: - perf_evlist__delete_maps(top.evlist); out_delete_evlist: perf_evlist__delete(top.evlist); diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index c5b4bc5..4bd44ab 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -1160,26 +1160,27 @@ struct trace { struct record_opts opts; struct machine *host; u64 base_time; - bool full_time; FILE *output; unsigned long nr_events; struct strlist *ev_qualifier; - bool not_ev_qualifier; - bool live; const char *last_vfs_getname; struct intlist *tid_list; struct intlist *pid_list; + double duration_filter; + double runtime_ms; + struct { + u64 vfs_getname, + proc_getname; + } stats; + bool not_ev_qualifier; + bool live; + bool full_time; bool sched; bool multiple_threads; bool summary; bool summary_only; bool show_comm; bool show_tool_stats; - double duration_filter; - double runtime_ms; - struct { - u64 vfs_getname, proc_getname; - } stats; }; static int trace__set_fd_pathname(struct thread *thread, int fd, const char *pathname) @@ -1885,7 +1886,7 @@ static int trace__run(struct trace *trace, int argc, const char **argv) err = trace__symbols_init(trace, evlist); if (err < 0) { fprintf(trace->output, "Problems initializing symbol libraries!\n"); - goto out_delete_maps; + goto out_delete_evlist; } perf_evlist__config(evlist, &trace->opts); @@ -1895,10 +1896,10 @@ static int trace__run(struct trace *trace, int argc, const char **argv) if (forks) { err = perf_evlist__prepare_workload(evlist, &trace->opts.target, - argv, false, false); + argv, false, NULL); if (err < 0) { fprintf(trace->output, "Couldn't run the workload!\n"); - goto out_delete_maps; + goto out_delete_evlist; } } @@ -1909,7 +1910,7 @@ static int trace__run(struct trace *trace, int argc, const char **argv) err = perf_evlist__mmap(evlist, trace->opts.mmap_pages, false); if (err < 0) { fprintf(trace->output, "Couldn't mmap the events: %s\n", strerror(errno)); - goto out_close_evlist; + goto out_delete_evlist; } perf_evlist__enable(evlist); @@ -1993,11 +1994,6 @@ out_disable: } } - perf_evlist__munmap(evlist); -out_close_evlist: - perf_evlist__close(evlist); -out_delete_maps: - perf_evlist__delete_maps(evlist); out_delete_evlist: perf_evlist__delete(evlist); out: diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile index 14faeeb..01dd43d 100644 --- a/tools/perf/config/Makefile +++ b/tools/perf/config/Makefile @@ -1,28 +1,26 @@ -uname_M := $(shell uname -m 2>/dev/null || echo not) -ARCH ?= $(shell echo $(uname_M) | sed -e s/i.86/i386/ -e s/sun4u/sparc64/ \ - -e s/arm.*/arm/ -e s/sa110/arm/ \ - -e s/s390x/s390/ -e s/parisc64/parisc/ \ - -e s/ppc.*/powerpc/ -e s/mips.*/mips/ \ - -e s/sh[234].*/sh/ -e s/aarch64.*/arm64/ ) -NO_PERF_REGS := 1 -CFLAGS := $(EXTRA_CFLAGS) $(EXTRA_WARNINGS) +ifeq ($(src-perf),) +src-perf := $(srctree)/tools/perf +endif -# Additional ARCH settings for x86 -ifeq ($(ARCH),i386) - override ARCH := x86 - NO_PERF_REGS := 0 - LIBUNWIND_LIBS = -lunwind -lunwind-x86 +ifeq ($(obj-perf),) +obj-perf := $(OUTPUT) endif -ifeq ($(ARCH),x86_64) - override ARCH := x86 - IS_X86_64 := 0 - ifeq (, $(findstring m32,$(CFLAGS))) - IS_X86_64 := $(shell echo __x86_64__ | ${CC} -E -x c - | tail -n 1) - endif +ifneq ($(obj-perf),) +obj-perf := $(abspath $(obj-perf))/ +endif + +LIB_INCLUDE := $(srctree)/tools/lib/ +CFLAGS := $(EXTRA_CFLAGS) $(EXTRA_WARNINGS) + +include $(src-perf)/config/Makefile.arch + +NO_PERF_REGS := 1 + +# Additional ARCH settings for x86 +ifeq ($(ARCH),x86) ifeq (${IS_X86_64}, 1) - RAW_ARCH := x86_64 CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S LIBUNWIND_LIBS = -lunwind -lunwind-x86_64 @@ -55,29 +53,12 @@ else FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS) FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) - # and the flags for the test-all case - FEATURE_CHECK_CFLAGS-all += $(LIBUNWIND_CFLAGS) - FEATURE_CHECK_LDFLAGS-all += $(LIBUNWIND_LDFLAGS) endif ifeq ($(NO_PERF_REGS),0) CFLAGS += -DHAVE_PERF_REGS_SUPPORT endif -ifeq ($(src-perf),) -src-perf := $(srctree)/tools/perf -endif - -ifeq ($(obj-perf),) -obj-perf := $(OUTPUT) -endif - -ifneq ($(obj-perf),) -obj-perf := $(abspath $(obj-perf))/ -endif - -LIB_INCLUDE := $(srctree)/tools/lib/ - # include ARCH specific config -include $(src-perf)/arch/$(ARCH)/Makefile @@ -168,6 +149,17 @@ CORE_FEATURE_TESTS = \ stackprotector-all \ timerfd +# Set FEATURE_CHECK_(C|LD)FLAGS-all for all CORE_FEATURE_TESTS features. +# If in the future we need per-feature checks/flags for features not +# mentioned in this list we need to refactor this ;-). +set_test_all_flags = $(eval $(set_test_all_flags_code)) +define set_test_all_flags_code + FEATURE_CHECK_CFLAGS-all += $(FEATURE_CHECK_CFLAGS-$(1)) + FEATURE_CHECK_LDFLAGS-all += $(FEATURE_CHECK_LDFLAGS-$(1)) +endef + +$(foreach feat,$(CORE_FEATURE_TESTS),$(call set_test_all_flags,$(feat))) + # # So here we detect whether test-all was rebuilt, to be able # to skip the print-out of the long features list if the file @@ -240,6 +232,7 @@ endif CFLAGS += -I$(src-perf)/util/include CFLAGS += -I$(src-perf)/arch/$(ARCH)/include +CFLAGS += -I$(srctree)/tools/include/ CFLAGS += -I$(srctree)/arch/$(ARCH)/include/uapi CFLAGS += -I$(srctree)/arch/$(ARCH)/include CFLAGS += -I$(srctree)/include/uapi diff --git a/tools/perf/config/Makefile.arch b/tools/perf/config/Makefile.arch new file mode 100644 index 0000000..fef8ae9 --- /dev/null +++ b/tools/perf/config/Makefile.arch @@ -0,0 +1,22 @@ + +uname_M := $(shell uname -m 2>/dev/null || echo not) + +ARCH ?= $(shell echo $(uname_M) | sed -e s/i.86/i386/ -e s/sun4u/sparc64/ \ + -e s/arm.*/arm/ -e s/sa110/arm/ \ + -e s/s390x/s390/ -e s/parisc64/parisc/ \ + -e s/ppc.*/powerpc/ -e s/mips.*/mips/ \ + -e s/sh[234].*/sh/ -e s/aarch64.*/arm64/ ) + +# Additional ARCH settings for x86 +ifeq ($(ARCH),i386) + override ARCH := x86 +endif + +ifeq ($(ARCH),x86_64) + override ARCH := x86 + IS_X86_64 := 0 + ifeq (, $(findstring m32,$(CFLAGS))) + IS_X86_64 := $(shell echo __x86_64__ | ${CC} -E -x c - | tail -n 1) + RAW_ARCH := x86_64 + endif +endif diff --git a/tools/perf/config/feature-checks/test-volatile-register-var.c b/tools/perf/config/feature-checks/test-volatile-register-var.c deleted file mode 100644 index c9f398d..0000000 --- a/tools/perf/config/feature-checks/test-volatile-register-var.c +++ /dev/null @@ -1,6 +0,0 @@ -#include <stdio.h> - -int main(void) -{ - return puts("hi"); -} diff --git a/tools/perf/perf.h b/tools/perf/perf.h index b1cc84b..af1ce6e 100644 --- a/tools/perf/perf.h +++ b/tools/perf/perf.h @@ -269,6 +269,7 @@ struct record_opts { u64 user_interval; u16 stack_dump_size; bool sample_transaction; + unsigned initial_delay; }; #endif diff --git a/tools/perf/tests/code-reading.c b/tools/perf/tests/code-reading.c index 4248d1e..653a8fe 100644 --- a/tools/perf/tests/code-reading.c +++ b/tools/perf/tests/code-reading.c @@ -540,14 +540,11 @@ static int do_test_code_reading(bool try_kcore) err = TEST_CODE_READING_OK; out_err: if (evlist) { - perf_evlist__munmap(evlist); - perf_evlist__close(evlist); perf_evlist__delete(evlist); - } - if (cpus) + } else { cpu_map__delete(cpus); - if (threads) thread_map__delete(threads); + } machines__destroy_kernel_maps(&machines); machine__delete_threads(machine); machines__exit(&machines); diff --git a/tools/perf/tests/evsel-roundtrip-name.c b/tools/perf/tests/evsel-roundtrip-name.c index 0197bda..465cdbc 100644 --- a/tools/perf/tests/evsel-roundtrip-name.c +++ b/tools/perf/tests/evsel-roundtrip-name.c @@ -79,7 +79,7 @@ static int __perf_evsel__name_array_test(const char *names[], int nr_names) } err = 0; - list_for_each_entry(evsel, &evlist->entries, node) { + evlist__for_each(evlist, evsel) { if (strcmp(perf_evsel__name(evsel), names[evsel->idx])) { --err; pr_debug("%s != %s\n", perf_evsel__name(evsel), names[evsel->idx]); diff --git a/tools/perf/tests/hists_link.c b/tools/perf/tests/hists_link.c index 173bf42..2b6519e 100644 --- a/tools/perf/tests/hists_link.c +++ b/tools/perf/tests/hists_link.c @@ -208,7 +208,7 @@ static int add_hist_entries(struct perf_evlist *evlist, struct machine *machine) * However the second evsel also has a collapsed entry for * "bash [libc] malloc" so total 9 entries will be in the tree. */ - list_for_each_entry(evsel, &evlist->entries, node) { + evlist__for_each(evlist, evsel) { for (k = 0; k < ARRAY_SIZE(fake_common_samples); k++) { const union perf_event event = { .header = { @@ -466,7 +466,7 @@ int test__hists_link(void) if (err < 0) goto out; - list_for_each_entry(evsel, &evlist->entries, node) { + evlist__for_each(evlist, evsel) { hists__collapse_resort(&evsel->hists, NULL); if (verbose > 2) diff --git a/tools/perf/tests/keep-tracking.c b/tools/perf/tests/keep-tracking.c index 27eb751..497957f 100644 --- a/tools/perf/tests/keep-tracking.c +++ b/tools/perf/tests/keep-tracking.c @@ -142,14 +142,11 @@ int test__keep_tracking(void) out_err: if (evlist) { perf_evlist__disable(evlist); - perf_evlist__munmap(evlist); - perf_evlist__close(evlist); perf_evlist__delete(evlist); - } - if (cpus) + } else { cpu_map__delete(cpus); - if (threads) thread_map__delete(threads); + } return err; } diff --git a/tools/perf/tests/make b/tools/perf/tests/make index f641c35..00544b8 100644 --- a/tools/perf/tests/make +++ b/tools/perf/tests/make @@ -1,6 +1,16 @@ PERF := . MK := Makefile +include config/Makefile.arch + +# FIXME looks like x86 is the only arch running tests ;-) +# we need some IS_(32/64) flag to make this generic +ifeq ($(IS_X86_64),1) +lib = lib64 +else +lib = lib +endif + has = $(shell which $1 2>/dev/null) # standard single make variable specified @@ -118,16 +128,16 @@ installed_files_bin := bin/perf installed_files_bin += etc/bash_completion.d/perf installed_files_bin += libexec/perf-core/perf-archive -installed_files_plugins := lib64/traceevent/plugins/plugin_cfg80211.so -installed_files_plugins += lib64/traceevent/plugins/plugin_scsi.so -installed_files_plugins += lib64/traceevent/plugins/plugin_xen.so -installed_files_plugins += lib64/traceevent/plugins/plugin_function.so -installed_files_plugins += lib64/traceevent/plugins/plugin_sched_switch.so -installed_files_plugins += lib64/traceevent/plugins/plugin_mac80211.so -installed_files_plugins += lib64/traceevent/plugins/plugin_kvm.so -installed_files_plugins += lib64/traceevent/plugins/plugin_kmem.so -installed_files_plugins += lib64/traceevent/plugins/plugin_hrtimer.so -installed_files_plugins += lib64/traceevent/plugins/plugin_jbd2.so +installed_files_plugins := $(lib)/traceevent/plugins/plugin_cfg80211.so +installed_files_plugins += $(lib)/traceevent/plugins/plugin_scsi.so +installed_files_plugins += $(lib)/traceevent/plugins/plugin_xen.so +installed_files_plugins += $(lib)/traceevent/plugins/plugin_function.so +installed_files_plugins += $(lib)/traceevent/plugins/plugin_sched_switch.so +installed_files_plugins += $(lib)/traceevent/plugins/plugin_mac80211.so +installed_files_plugins += $(lib)/traceevent/plugins/plugin_kvm.so +installed_files_plugins += $(lib)/traceevent/plugins/plugin_kmem.so +installed_files_plugins += $(lib)/traceevent/plugins/plugin_hrtimer.so +installed_files_plugins += $(lib)/traceevent/plugins/plugin_jbd2.so installed_files_all := $(installed_files_bin) installed_files_all += $(installed_files_plugins) @@ -206,10 +216,16 @@ $(run_O): rm -rf $$TMP_O \ rm -rf $$TMP_DEST -all: $(run) $(run_O) +tarpkg: + @cmd="$(PERF)/tests/perf-targz-src-pkg $(PERF)"; \ + echo "- $@: $$cmd" && echo $$cmd > $@ && \ + ( eval $$cmd ) >> $@ 2>&1 + + +all: $(run) $(run_O) tarpkg @echo OK out: $(run_O) @echo OK -.PHONY: all $(run) $(run_O) clean +.PHONY: all $(run) $(run_O) tarpkg clean diff --git a/tools/perf/tests/mmap-basic.c b/tools/perf/tests/mmap-basic.c index d64ab79..1422634 100644 --- a/tools/perf/tests/mmap-basic.c +++ b/tools/perf/tests/mmap-basic.c @@ -68,7 +68,7 @@ int test__basic_mmap(void) evsels[i] = perf_evsel__newtp("syscalls", name); if (evsels[i] == NULL) { pr_debug("perf_evsel__new\n"); - goto out_free_evlist; + goto out_delete_evlist; } evsels[i]->attr.wakeup_events = 1; @@ -80,7 +80,7 @@ int test__basic_mmap(void) pr_debug("failed to open counter: %s, " "tweak /proc/sys/kernel/perf_event_paranoid?\n", strerror(errno)); - goto out_close_fd; + goto out_delete_evlist; } nr_events[i] = 0; @@ -90,7 +90,7 @@ int test__basic_mmap(void) if (perf_evlist__mmap(evlist, 128, true) < 0) { pr_debug("failed to mmap events: %d (%s)\n", errno, strerror(errno)); - goto out_close_fd; + goto out_delete_evlist; } for (i = 0; i < nsyscalls; ++i) @@ -105,13 +105,13 @@ int test__basic_mmap(void) if (event->header.type != PERF_RECORD_SAMPLE) { pr_debug("unexpected %s event\n", perf_event__name(event->header.type)); - goto out_munmap; + goto out_delete_evlist; } err = perf_evlist__parse_sample(evlist, event, &sample); if (err) { pr_err("Can't parse sample, err = %d\n", err); - goto out_munmap; + goto out_delete_evlist; } err = -1; @@ -119,30 +119,27 @@ int test__basic_mmap(void) if (evsel == NULL) { pr_debug("event with id %" PRIu64 " doesn't map to an evsel\n", sample.id); - goto out_munmap; + goto out_delete_evlist; } nr_events[evsel->idx]++; perf_evlist__mmap_consume(evlist, 0); } err = 0; - list_for_each_entry(evsel, &evlist->entries, node) { + evlist__for_each(evlist, evsel) { if (nr_events[evsel->idx] != expected_nr_events[evsel->idx]) { pr_debug("expected %d %s events, got %d\n", expected_nr_events[evsel->idx], perf_evsel__name(evsel), nr_events[evsel->idx]); err = -1; - goto out_munmap; + goto out_delete_evlist; } } -out_munmap: - perf_evlist__munmap(evlist); -out_close_fd: - for (i = 0; i < nsyscalls; ++i) - perf_evsel__close_fd(evsels[i], 1, threads->nr); -out_free_evlist: +out_delete_evlist: perf_evlist__delete(evlist); + cpus = NULL; + threads = NULL; out_free_cpus: cpu_map__delete(cpus); out_free_threads: diff --git a/tools/perf/tests/open-syscall-tp-fields.c b/tools/perf/tests/open-syscall-tp-fields.c index 774620a..5a016f6 100644 --- a/tools/perf/tests/open-syscall-tp-fields.c +++ b/tools/perf/tests/open-syscall-tp-fields.c @@ -48,13 +48,13 @@ int test__syscall_open_tp_fields(void) err = perf_evlist__open(evlist); if (err < 0) { pr_debug("perf_evlist__open: %s\n", strerror(errno)); - goto out_delete_maps; + goto out_delete_evlist; } err = perf_evlist__mmap(evlist, UINT_MAX, false); if (err < 0) { pr_debug("perf_evlist__mmap: %s\n", strerror(errno)); - goto out_close_evlist; + goto out_delete_evlist; } perf_evlist__enable(evlist); @@ -85,7 +85,7 @@ int test__syscall_open_tp_fields(void) err = perf_evsel__parse_sample(evsel, event, &sample); if (err) { pr_err("Can't parse sample, err = %d\n", err); - goto out_munmap; + goto out_delete_evlist; } tp_flags = perf_evsel__intval(evsel, &sample, "flags"); @@ -93,7 +93,7 @@ int test__syscall_open_tp_fields(void) if (flags != tp_flags) { pr_debug("%s: Expected flags=%#x, got %#x\n", __func__, flags, tp_flags); - goto out_munmap; + goto out_delete_evlist; } goto out_ok; @@ -105,17 +105,11 @@ int test__syscall_open_tp_fields(void) if (++nr_polls > 5) { pr_debug("%s: no events!\n", __func__); - goto out_munmap; + goto out_delete_evlist; } } out_ok: err = 0; -out_munmap: - perf_evlist__munmap(evlist); -out_close_evlist: - perf_evlist__close(evlist); -out_delete_maps: - perf_evlist__delete_maps(evlist); out_delete_evlist: perf_evlist__delete(evlist); out: diff --git a/tools/perf/tests/parse-events.c b/tools/perf/tests/parse-events.c index e4ce8ae..4db0ae6 100644 --- a/tools/perf/tests/parse-events.c +++ b/tools/perf/tests/parse-events.c @@ -30,7 +30,7 @@ static int test__checkevent_tracepoint_multi(struct perf_evlist *evlist) TEST_ASSERT_VAL("wrong number of entries", evlist->nr_entries > 1); TEST_ASSERT_VAL("wrong number of groups", 0 == evlist->nr_groups); - list_for_each_entry(evsel, &evlist->entries, node) { + evlist__for_each(evlist, evsel) { TEST_ASSERT_VAL("wrong type", PERF_TYPE_TRACEPOINT == evsel->attr.type); TEST_ASSERT_VAL("wrong sample_type", @@ -201,7 +201,7 @@ test__checkevent_tracepoint_multi_modifier(struct perf_evlist *evlist) TEST_ASSERT_VAL("wrong number of entries", evlist->nr_entries > 1); - list_for_each_entry(evsel, &evlist->entries, node) { + evlist__for_each(evlist, evsel) { TEST_ASSERT_VAL("wrong exclude_user", !evsel->attr.exclude_user); TEST_ASSERT_VAL("wrong exclude_kernel", @@ -1385,10 +1385,10 @@ static int test_event(struct evlist_test *e) if (ret) { pr_debug("failed to parse event '%s', err %d\n", e->name, ret); - return ret; + } else { + ret = e->check(evlist); } - - ret = e->check(evlist); + perf_evlist__delete(evlist); return ret; diff --git a/tools/perf/tests/perf-record.c b/tools/perf/tests/perf-record.c index eeba562..39cc7c3 100644 --- a/tools/perf/tests/perf-record.c +++ b/tools/perf/tests/perf-record.c @@ -83,11 +83,10 @@ int test__PERF_RECORD(void) * so that we have time to open the evlist (calling sys_perf_event_open * on all the fds) and then mmap them. */ - err = perf_evlist__prepare_workload(evlist, &opts.target, argv, - false, false); + err = perf_evlist__prepare_workload(evlist, &opts.target, argv, false, NULL); if (err < 0) { pr_debug("Couldn't run the workload!\n"); - goto out_delete_maps; + goto out_delete_evlist; } /* @@ -102,7 +101,7 @@ int test__PERF_RECORD(void) err = sched__get_first_possible_cpu(evlist->workload.pid, &cpu_mask); if (err < 0) { pr_debug("sched__get_first_possible_cpu: %s\n", strerror(errno)); - goto out_delete_maps; + goto out_delete_evlist; } cpu = err; @@ -112,7 +111,7 @@ int test__PERF_RECORD(void) */ if (sched_setaffinity(evlist->workload.pid, cpu_mask_size, &cpu_mask) < 0) { pr_debug("sched_setaffinity: %s\n", strerror(errno)); - goto out_delete_maps; + goto out_delete_evlist; } /* @@ -122,7 +121,7 @@ int test__PERF_RECORD(void) err = perf_evlist__open(evlist); if (err < 0) { pr_debug("perf_evlist__open: %s\n", strerror(errno)); - goto out_delete_maps; + goto out_delete_evlist; } /* @@ -133,7 +132,7 @@ int test__PERF_RECORD(void) err = perf_evlist__mmap(evlist, opts.mmap_pages, false); if (err < 0) { pr_debug("perf_evlist__mmap: %s\n", strerror(errno)); - goto out_close_evlist; + goto out_delete_evlist; } /* @@ -166,7 +165,7 @@ int test__PERF_RECORD(void) if (verbose) perf_event__fprintf(event, stderr); pr_debug("Couldn't parse sample\n"); - goto out_err; + goto out_delete_evlist; } if (verbose) { @@ -303,12 +302,6 @@ found_exit: pr_debug("PERF_RECORD_MMAP for %s missing!\n", "[vdso]"); ++errs; } -out_err: - perf_evlist__munmap(evlist); -out_close_evlist: - perf_evlist__close(evlist); -out_delete_maps: - perf_evlist__delete_maps(evlist); out_delete_evlist: perf_evlist__delete(evlist); out: diff --git a/tools/perf/tests/perf-targz-src-pkg b/tools/perf/tests/perf-targz-src-pkg new file mode 100755 index 0000000..238aa39 --- /dev/null +++ b/tools/perf/tests/perf-targz-src-pkg @@ -0,0 +1,21 @@ +#!/bin/sh +# Test one of the main kernel Makefile targets to generate a perf sources tarball +# suitable for build outside the full kernel sources. +# +# This is to test that the tools/perf/MANIFEST file lists all the files needed to +# be in such tarball, which sometimes gets broken when we move files around, +# like when we made some files that were in tools/perf/ available to other tools/ +# codebases by moving it to tools/include/, etc. + +PERF=$1 +cd ${PERF}/../.. +make perf-targz-src-pkg > /dev/null +TARBALL=$(ls -rt perf-*.tar.gz) +TMP_DEST=$(mktemp -d) +tar xf ${TARBALL} -C $TMP_DEST +rm -f ${TARBALL} +cd - > /dev/null +make -C $TMP_DEST/perf*/tools/perf > /dev/null 2>&1 +RC=$? +rm -rf ${TMP_DEST} +exit $RC diff --git a/tools/perf/tests/perf-time-to-tsc.c b/tools/perf/tests/perf-time-to-tsc.c index c6398b9..47146d3 100644 --- a/tools/perf/tests/perf-time-to-tsc.c +++ b/tools/perf/tests/perf-time-to-tsc.c @@ -166,14 +166,8 @@ next_event: out_err: if (evlist) { perf_evlist__disable(evlist); - perf_evlist__munmap(evlist); - perf_evlist__close(evlist); perf_evlist__delete(evlist); } - if (cpus) - cpu_map__delete(cpus); - if (threads) - thread_map__delete(threads); return err; } diff --git a/tools/perf/tests/sw-clock.c b/tools/perf/tests/sw-clock.c index 6664a7c..983d6b8 100644 --- a/tools/perf/tests/sw-clock.c +++ b/tools/perf/tests/sw-clock.c @@ -45,7 +45,7 @@ static int __test__sw_clock_freq(enum perf_sw_ids clock_id) evsel = perf_evsel__new(&attr); if (evsel == NULL) { pr_debug("perf_evsel__new\n"); - goto out_free_evlist; + goto out_delete_evlist; } perf_evlist__add(evlist, evsel); @@ -54,7 +54,7 @@ static int __test__sw_clock_freq(enum perf_sw_ids clock_id) if (!evlist->cpus || !evlist->threads) { err = -ENOMEM; pr_debug("Not enough memory to create thread/cpu maps\n"); - goto out_delete_maps; + goto out_delete_evlist; } if (perf_evlist__open(evlist)) { @@ -63,14 +63,14 @@ static int __test__sw_clock_freq(enum perf_sw_ids clock_id) err = -errno; pr_debug("Couldn't open evlist: %s\nHint: check %s, using %" PRIu64 " in this test.\n", strerror(errno), knob, (u64)attr.sample_freq); - goto out_delete_maps; + goto out_delete_evlist; } err = perf_evlist__mmap(evlist, 128, true); if (err < 0) { pr_debug("failed to mmap event: %d (%s)\n", errno, strerror(errno)); - goto out_close_evlist; + goto out_delete_evlist; } perf_evlist__enable(evlist); @@ -90,7 +90,7 @@ static int __test__sw_clock_freq(enum perf_sw_ids clock_id) err = perf_evlist__parse_sample(evlist, event, &sample); if (err < 0) { pr_debug("Error during parse sample\n"); - goto out_unmap_evlist; + goto out_delete_evlist; } total_periods += sample.period; @@ -105,13 +105,7 @@ next_event: err = -1; } -out_unmap_evlist: - perf_evlist__munmap(evlist); -out_close_evlist: - perf_evlist__close(evlist); -out_delete_maps: - perf_evlist__delete_maps(evlist); -out_free_evlist: +out_delete_evlist: perf_evlist__delete(evlist); return err; } diff --git a/tools/perf/tests/task-exit.c b/tools/perf/tests/task-exit.c index d09ab57..5ff3db3 100644 --- a/tools/perf/tests/task-exit.c +++ b/tools/perf/tests/task-exit.c @@ -9,12 +9,21 @@ static int exited; static int nr_exit; -static void sig_handler(int sig) +static void sig_handler(int sig __maybe_unused) { exited = 1; +} - if (sig == SIGUSR1) - nr_exit = -1; +/* + * perf_evlist__prepare_workload will send a SIGUSR1 if the fork fails, since + * we asked by setting its exec_error to this handler. + */ +static void workload_exec_failed_signal(int signo __maybe_unused, + siginfo_t *info __maybe_unused, + void *ucontext __maybe_unused) +{ + exited = 1; + nr_exit = -1; } /* @@ -35,7 +44,6 @@ int test__task_exit(void) const char *argv[] = { "true", NULL }; signal(SIGCHLD, sig_handler); - signal(SIGUSR1, sig_handler); evlist = perf_evlist__new_default(); if (evlist == NULL) { @@ -54,13 +62,14 @@ int test__task_exit(void) if (!evlist->cpus || !evlist->threads) { err = -ENOMEM; pr_debug("Not enough memory to create thread/cpu maps\n"); - goto out_delete_maps; + goto out_delete_evlist; } - err = perf_evlist__prepare_workload(evlist, &target, argv, false, true); + err = perf_evlist__prepare_workload(evlist, &target, argv, false, + workload_exec_failed_signal); if (err < 0) { pr_debug("Couldn't run the workload!\n"); - goto out_delete_maps; + goto out_delete_evlist; } evsel = perf_evlist__first(evlist); @@ -74,13 +83,13 @@ int test__task_exit(void) err = perf_evlist__open(evlist); if (err < 0) { pr_debug("Couldn't open the evlist: %s\n", strerror(-err)); - goto out_delete_maps; + goto out_delete_evlist; } if (perf_evlist__mmap(evlist, 128, true) < 0) { pr_debug("failed to mmap events: %d (%s)\n", errno, strerror(errno)); - goto out_close_evlist; + goto out_delete_evlist; } perf_evlist__start_workload(evlist); @@ -103,11 +112,7 @@ retry: err = -1; } - perf_evlist__munmap(evlist); -out_close_evlist: - perf_evlist__close(evlist); -out_delete_maps: - perf_evlist__delete_maps(evlist); +out_delete_evlist: perf_evlist__delete(evlist); return err; } diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c index a7045ea..b720b92 100644 --- a/tools/perf/ui/browsers/hists.c +++ b/tools/perf/ui/browsers/hists.c @@ -1938,7 +1938,7 @@ static int __perf_evlist__tui_browse_hists(struct perf_evlist *evlist, ui_helpline__push("Press ESC to exit"); - list_for_each_entry(pos, &evlist->entries, node) { + evlist__for_each(evlist, pos) { const char *ev_name = perf_evsel__name(pos); size_t line_len = strlen(ev_name) + 7; @@ -1970,9 +1970,10 @@ single_entry: struct perf_evsel *pos; nr_entries = 0; - list_for_each_entry(pos, &evlist->entries, node) + evlist__for_each(evlist, pos) { if (perf_evsel__is_group_leader(pos)) nr_entries++; + } if (nr_entries == 1) goto single_entry; diff --git a/tools/perf/ui/gtk/hists.c b/tools/perf/ui/gtk/hists.c index 2ca66cc..5b95c44 100644 --- a/tools/perf/ui/gtk/hists.c +++ b/tools/perf/ui/gtk/hists.c @@ -375,7 +375,7 @@ int perf_evlist__gtk_browse_hists(struct perf_evlist *evlist, gtk_container_add(GTK_CONTAINER(window), vbox); - list_for_each_entry(pos, &evlist->entries, node) { + evlist__for_each(evlist, pos) { struct hists *hists = &pos->hists; const char *evname = perf_evsel__name(pos); GtkWidget *scrolled_window; diff --git a/tools/perf/util/cgroup.c b/tools/perf/util/cgroup.c index 0922aa4..88f7be3 100644 --- a/tools/perf/util/cgroup.c +++ b/tools/perf/util/cgroup.c @@ -81,7 +81,7 @@ static int add_cgroup(struct perf_evlist *evlist, char *str) /* * check if cgrp is already defined, if so we reuse it */ - list_for_each_entry(counter, &evlist->entries, node) { + evlist__for_each(evlist, counter) { cgrp = counter->cgrp; if (!cgrp) continue; @@ -110,7 +110,7 @@ static int add_cgroup(struct perf_evlist *evlist, char *str) * if add cgroup N, then need to find event N */ n = 0; - list_for_each_entry(counter, &evlist->entries, node) { + evlist__for_each(evlist, counter) { if (n == nr_cgroups) goto found; n++; diff --git a/tools/perf/util/color.c b/tools/perf/util/color.c index 66e44a5..87b8672 100644 --- a/tools/perf/util/color.c +++ b/tools/perf/util/color.c @@ -1,6 +1,7 @@ #include <linux/kernel.h> #include "cache.h" #include "color.h" +#include <math.h> int perf_use_color_default = -1; @@ -298,10 +299,10 @@ const char *get_percent_color(double percent) * entries in green - and keep the low overhead places * normal: */ - if (percent >= MIN_RED) + if (fabs(percent) >= MIN_RED) color = PERF_COLOR_RED; else { - if (percent > MIN_GREEN) + if (fabs(percent) > MIN_GREEN) color = PERF_COLOR_GREEN; } return color; @@ -318,15 +319,19 @@ int percent_color_fprintf(FILE *fp, const char *fmt, double percent) return r; } +int value_color_snprintf(char *bf, size_t size, const char *fmt, double value) +{ + const char *color = get_percent_color(value); + return color_snprintf(bf, size, color, fmt, value); +} + int percent_color_snprintf(char *bf, size_t size, const char *fmt, ...) { va_list args; double percent; - const char *color; va_start(args, fmt); percent = va_arg(args, double); va_end(args); - color = get_percent_color(percent); - return color_snprintf(bf, size, color, fmt, percent); + return value_color_snprintf(bf, size, fmt, percent); } diff --git a/tools/perf/util/color.h b/tools/perf/util/color.h index fced384..7ff30a6 100644 --- a/tools/perf/util/color.h +++ b/tools/perf/util/color.h @@ -39,6 +39,7 @@ int color_fprintf(FILE *fp, const char *color, const char *fmt, ...); int color_snprintf(char *bf, size_t size, const char *color, const char *fmt, ...); int color_fprintf_ln(FILE *fp, const char *color, const char *fmt, ...); int color_fwrite_lines(FILE *fp, const char *color, size_t count, const char *buf); +int value_color_snprintf(char *bf, size_t size, const char *fmt, double value); int percent_color_snprintf(char *bf, size_t size, const char *fmt, ...); int percent_color_fprintf(FILE *fp, const char *fmt, double percent); const char *get_percent_color(double percent); diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c index 45a76c6..1fc1c2f 100644 --- a/tools/perf/util/event.c +++ b/tools/perf/util/event.c @@ -175,12 +175,12 @@ out: return tgid; } -static int perf_event__synthesize_mmap_events(struct perf_tool *tool, - union perf_event *event, - pid_t pid, pid_t tgid, - perf_event__handler_t process, - struct machine *machine, - bool mmap_data) +int perf_event__synthesize_mmap_events(struct perf_tool *tool, + union perf_event *event, + pid_t pid, pid_t tgid, + perf_event__handler_t process, + struct machine *machine, + bool mmap_data) { char filename[PATH_MAX]; FILE *fp; diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h index 30fec99..faf6e21 100644 --- a/tools/perf/util/event.h +++ b/tools/perf/util/event.h @@ -266,6 +266,13 @@ int perf_event__synthesize_sample(union perf_event *event, u64 type, const struct perf_sample *sample, bool swapped); +int perf_event__synthesize_mmap_events(struct perf_tool *tool, + union perf_event *event, + pid_t pid, pid_t tgid, + perf_event__handler_t process, + struct machine *machine, + bool mmap_data); + size_t perf_event__fprintf_comm(union perf_event *event, FILE *fp); size_t perf_event__fprintf_mmap(union perf_event *event, FILE *fp); size_t perf_event__fprintf_mmap2(union perf_event *event, FILE *fp); diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index b08a7ec..40bd2c0 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -81,7 +81,7 @@ static void perf_evlist__update_id_pos(struct perf_evlist *evlist) { struct perf_evsel *evsel; - list_for_each_entry(evsel, &evlist->entries, node) + evlist__for_each(evlist, evsel) perf_evsel__calc_id_pos(evsel); perf_evlist__set_id_pos(evlist); @@ -91,7 +91,7 @@ static void perf_evlist__purge(struct perf_evlist *evlist) { struct perf_evsel *pos, *n; - list_for_each_entry_safe(pos, n, &evlist->entries, node) { + evlist__for_each_safe(evlist, n, pos) { list_del_init(&pos->node); perf_evsel__delete(pos); } @@ -107,6 +107,12 @@ void perf_evlist__exit(struct perf_evlist *evlist) void perf_evlist__delete(struct perf_evlist *evlist) { + perf_evlist__munmap(evlist); + perf_evlist__close(evlist); + cpu_map__delete(evlist->cpus); + thread_map__delete(evlist->threads); + evlist->cpus = NULL; + evlist->threads = NULL; perf_evlist__purge(evlist); perf_evlist__exit(evlist); free(evlist); @@ -142,7 +148,7 @@ void __perf_evlist__set_leader(struct list_head *list) leader->nr_members = evsel->idx - leader->idx + 1; - list_for_each_entry(evsel, list, node) { + __evlist__for_each(list, evsel) { evsel->leader = leader; } } @@ -201,7 +207,7 @@ static int perf_evlist__add_attrs(struct perf_evlist *evlist, return 0; out_delete_partial_list: - list_for_each_entry_safe(evsel, n, &head, node) + __evlist__for_each_safe(&head, n, evsel) perf_evsel__delete(evsel); return -1; } @@ -222,7 +228,7 @@ perf_evlist__find_tracepoint_by_id(struct perf_evlist *evlist, int id) { struct perf_evsel *evsel; - list_for_each_entry(evsel, &evlist->entries, node) { + evlist__for_each(evlist, evsel) { if (evsel->attr.type == PERF_TYPE_TRACEPOINT && (int)evsel->attr.config == id) return evsel; @@ -237,7 +243,7 @@ perf_evlist__find_tracepoint_by_name(struct perf_evlist *evlist, { struct perf_evsel *evsel; - list_for_each_entry(evsel, &evlist->entries, node) { + evlist__for_each(evlist, evsel) { if ((evsel->attr.type == PERF_TYPE_TRACEPOINT) && (strcmp(evsel->name, name) == 0)) return evsel; @@ -267,7 +273,7 @@ void perf_evlist__disable(struct perf_evlist *evlist) int nr_threads = thread_map__nr(evlist->threads); for (cpu = 0; cpu < nr_cpus; cpu++) { - list_for_each_entry(pos, &evlist->entries, node) { + evlist__for_each(evlist, pos) { if (!perf_evsel__is_group_leader(pos) || !pos->fd) continue; for (thread = 0; thread < nr_threads; thread++) @@ -285,7 +291,7 @@ void perf_evlist__enable(struct perf_evlist *evlist) int nr_threads = thread_map__nr(evlist->threads); for (cpu = 0; cpu < nr_cpus; cpu++) { - list_for_each_entry(pos, &evlist->entries, node) { + evlist__for_each(evlist, pos) { if (!perf_evsel__is_group_leader(pos) || !pos->fd) continue; for (thread = 0; thread < nr_threads; thread++) @@ -582,6 +588,9 @@ void perf_evlist__munmap(struct perf_evlist *evlist) { int i; + if (evlist->mmap == NULL) + return; + for (i = 0; i < evlist->nr_mmaps; i++) __perf_evlist__munmap(evlist, i); @@ -621,7 +630,7 @@ static int perf_evlist__mmap_per_evsel(struct perf_evlist *evlist, int idx, { struct perf_evsel *evsel; - list_for_each_entry(evsel, &evlist->entries, node) { + evlist__for_each(evlist, evsel) { int fd = FD(evsel, cpu, thread); if (*output == -1) { @@ -797,7 +806,7 @@ int perf_evlist__mmap(struct perf_evlist *evlist, unsigned int pages, pr_debug("mmap size %zuB\n", evlist->mmap_len); mask = evlist->mmap_len - page_size - 1; - list_for_each_entry(evsel, &evlist->entries, node) { + evlist__for_each(evlist, evsel) { if ((evsel->attr.read_format & PERF_FORMAT_ID) && evsel->sample_id == NULL && perf_evsel__alloc_id(evsel, cpu_map__nr(cpus), threads->nr) < 0) @@ -833,14 +842,6 @@ out_delete_threads: return -1; } -void perf_evlist__delete_maps(struct perf_evlist *evlist) -{ - cpu_map__delete(evlist->cpus); - thread_map__delete(evlist->threads); - evlist->cpus = NULL; - evlist->threads = NULL; -} - int perf_evlist__apply_filters(struct perf_evlist *evlist) { struct perf_evsel *evsel; @@ -848,7 +849,7 @@ int perf_evlist__apply_filters(struct perf_evlist *evlist) const int ncpus = cpu_map__nr(evlist->cpus), nthreads = thread_map__nr(evlist->threads); - list_for_each_entry(evsel, &evlist->entries, node) { + evlist__for_each(evlist, evsel) { if (evsel->filter == NULL) continue; @@ -867,7 +868,7 @@ int perf_evlist__set_filter(struct perf_evlist *evlist, const char *filter) const int ncpus = cpu_map__nr(evlist->cpus), nthreads = thread_map__nr(evlist->threads); - list_for_each_entry(evsel, &evlist->entries, node) { + evlist__for_each(evlist, evsel) { err = perf_evsel__set_filter(evsel, ncpus, nthreads, filter); if (err) break; @@ -886,7 +887,7 @@ bool perf_evlist__valid_sample_type(struct perf_evlist *evlist) if (evlist->id_pos < 0 || evlist->is_pos < 0) return false; - list_for_each_entry(pos, &evlist->entries, node) { + evlist__for_each(evlist, pos) { if (pos->id_pos != evlist->id_pos || pos->is_pos != evlist->is_pos) return false; @@ -902,7 +903,7 @@ u64 __perf_evlist__combined_sample_type(struct perf_evlist *evlist) if (evlist->combined_sample_type) return evlist->combined_sample_type; - list_for_each_entry(evsel, &evlist->entries, node) + evlist__for_each(evlist, evsel) evlist->combined_sample_type |= evsel->attr.sample_type; return evlist->combined_sample_type; @@ -920,7 +921,7 @@ bool perf_evlist__valid_read_format(struct perf_evlist *evlist) u64 read_format = first->attr.read_format; u64 sample_type = first->attr.sample_type; - list_for_each_entry_continue(pos, &evlist->entries, node) { + evlist__for_each(evlist, pos) { if (read_format != pos->attr.read_format) return false; } @@ -977,7 +978,7 @@ bool perf_evlist__valid_sample_id_all(struct perf_evlist *evlist) { struct perf_evsel *first = perf_evlist__first(evlist), *pos = first; - list_for_each_entry_continue(pos, &evlist->entries, node) { + evlist__for_each_continue(evlist, pos) { if (first->attr.sample_id_all != pos->attr.sample_id_all) return false; } @@ -1003,7 +1004,7 @@ void perf_evlist__close(struct perf_evlist *evlist) int ncpus = cpu_map__nr(evlist->cpus); int nthreads = thread_map__nr(evlist->threads); - list_for_each_entry_reverse(evsel, &evlist->entries, node) + evlist__for_each_reverse(evlist, evsel) perf_evsel__close(evsel, ncpus, nthreads); } @@ -1014,7 +1015,7 @@ int perf_evlist__open(struct perf_evlist *evlist) perf_evlist__update_id_pos(evlist); - list_for_each_entry(evsel, &evlist->entries, node) { + evlist__for_each(evlist, evsel) { err = perf_evsel__open(evsel, evlist->cpus, evlist->threads); if (err < 0) goto out_err; @@ -1029,7 +1030,7 @@ out_err: int perf_evlist__prepare_workload(struct perf_evlist *evlist, struct target *target, const char *argv[], bool pipe_output, - bool want_signal) + void (*exec_error)(int signo, siginfo_t *info, void *ucontext)) { int child_ready_pipe[2], go_pipe[2]; char bf; @@ -1073,12 +1074,25 @@ int perf_evlist__prepare_workload(struct perf_evlist *evlist, struct target *tar execvp(argv[0], (char **)argv); - perror(argv[0]); - if (want_signal) - kill(getppid(), SIGUSR1); + if (exec_error) { + union sigval val; + + val.sival_int = errno; + if (sigqueue(getppid(), SIGUSR1, val)) + perror(argv[0]); + } else + perror(argv[0]); exit(-1); } + if (exec_error) { + struct sigaction act = { + .sa_flags = SA_SIGINFO, + .sa_sigaction = exec_error, + }; + sigaction(SIGUSR1, &act, NULL); + } + if (target__none(target)) evlist->threads->map[0] = evlist->workload.pid; @@ -1140,7 +1154,7 @@ size_t perf_evlist__fprintf(struct perf_evlist *evlist, FILE *fp) struct perf_evsel *evsel; size_t printed = 0; - list_for_each_entry(evsel, &evlist->entries, node) { + evlist__for_each(evlist, evsel) { printed += fprintf(fp, "%s%s", evsel->idx ? ", " : "", perf_evsel__name(evsel)); } @@ -1219,7 +1233,7 @@ void perf_evlist__to_front(struct perf_evlist *evlist, if (move_evsel == perf_evlist__first(evlist)) return; - list_for_each_entry_safe(evsel, n, &evlist->entries, node) { + evlist__for_each_safe(evlist, n, evsel) { if (evsel->leader == move_evsel->leader) list_move_tail(&evsel->node, &move); } diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h index 2fe5195..f5173cd 100644 --- a/tools/perf/util/evlist.h +++ b/tools/perf/util/evlist.h @@ -103,7 +103,8 @@ int record_opts__config(struct record_opts *opts); int perf_evlist__prepare_workload(struct perf_evlist *evlist, struct target *target, const char *argv[], bool pipe_output, - bool want_signal); + void (*exec_error)(int signo, siginfo_t *info, + void *ucontext)); int perf_evlist__start_workload(struct perf_evlist *evlist); int perf_evlist__parse_mmap_pages(const struct option *opt, @@ -134,7 +135,6 @@ static inline void perf_evlist__set_maps(struct perf_evlist *evlist, } int perf_evlist__create_maps(struct perf_evlist *evlist, struct target *target); -void perf_evlist__delete_maps(struct perf_evlist *evlist); int perf_evlist__apply_filters(struct perf_evlist *evlist); void __perf_evlist__set_leader(struct list_head *list); @@ -196,5 +196,70 @@ bool perf_evlist__can_select_event(struct perf_evlist *evlist, const char *str); void perf_evlist__to_front(struct perf_evlist *evlist, struct perf_evsel *move_evsel); +/** + * __evlist__for_each - iterate thru all the evsels + * @list: list_head instance to iterate + * @evsel: struct evsel iterator + */ +#define __evlist__for_each(list, evsel) \ + list_for_each_entry(evsel, list, node) + +/** + * evlist__for_each - iterate thru all the evsels + * @evlist: evlist instance to iterate + * @evsel: struct evsel iterator + */ +#define evlist__for_each(evlist, evsel) \ + __evlist__for_each(&(evlist)->entries, evsel) + +/** + * __evlist__for_each_continue - continue iteration thru all the evsels + * @list: list_head instance to iterate + * @evsel: struct evsel iterator + */ +#define __evlist__for_each_continue(list, evsel) \ + list_for_each_entry_continue(evsel, list, node) + +/** + * evlist__for_each_continue - continue iteration thru all the evsels + * @evlist: evlist instance to iterate + * @evsel: struct evsel iterator + */ +#define evlist__for_each_continue(evlist, evsel) \ + __evlist__for_each_continue(&(evlist)->entries, evsel) + +/** + * __evlist__for_each_reverse - iterate thru all the evsels in reverse order + * @list: list_head instance to iterate + * @evsel: struct evsel iterator + */ +#define __evlist__for_each_reverse(list, evsel) \ + list_for_each_entry_reverse(evsel, list, node) + +/** + * evlist__for_each_reverse - iterate thru all the evsels in reverse order + * @evlist: evlist instance to iterate + * @evsel: struct evsel iterator + */ +#define evlist__for_each_reverse(evlist, evsel) \ + __evlist__for_each_reverse(&(evlist)->entries, evsel) + +/** + * __evlist__for_each_safe - safely iterate thru all the evsels + * @list: list_head instance to iterate + * @tmp: struct evsel temp iterator + * @evsel: struct evsel iterator + */ +#define __evlist__for_each_safe(list, tmp, evsel) \ + list_for_each_entry_safe(evsel, tmp, list, node) + +/** + * evlist__for_each_safe - safely iterate thru all the evsels + * @evlist: evlist instance to iterate + * @evsel: struct evsel iterator + * @tmp: struct evsel temp iterator + */ +#define evlist__for_each_safe(evlist, tmp, evsel) \ + __evlist__for_each_safe(&(evlist)->entries, tmp, evsel) #endif /* __PERF_EVLIST_H */ diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index ade8d9c..cd4630a 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -658,7 +658,8 @@ void perf_evsel__config(struct perf_evsel *evsel, struct record_opts *opts) * Setting enable_on_exec for independent events and * group leaders for traced executed by perf. */ - if (target__none(&opts->target) && perf_evsel__is_group_leader(evsel)) + if (target__none(&opts->target) && perf_evsel__is_group_leader(evsel) && + !opts->initial_delay) attr->enable_on_exec = 1; } diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index a4a60b7..bb3e0ed 100644 --- a/tools/perf/util/header.c +++ b/tools/perf/util/header.c @@ -643,8 +643,7 @@ static int write_event_desc(int fd, struct perf_header *h __maybe_unused, if (ret < 0) return ret; - list_for_each_entry(evsel, &evlist->entries, node) { - + evlist__for_each(evlist, evsel) { ret = do_write(fd, &evsel->attr, sz); if (ret < 0) return ret; @@ -1092,7 +1091,7 @@ static int write_group_desc(int fd, struct perf_header *h __maybe_unused, if (ret < 0) return ret; - list_for_each_entry(evsel, &evlist->entries, node) { + evlist__for_each(evlist, evsel) { if (perf_evsel__is_group_leader(evsel) && evsel->nr_members > 1) { const char *name = evsel->group_name ?: "{anon_group}"; @@ -1487,7 +1486,7 @@ static void print_group_desc(struct perf_header *ph, int fd __maybe_unused, session = container_of(ph, struct perf_session, header); - list_for_each_entry(evsel, &session->evlist->entries, node) { + evlist__for_each(session->evlist, evsel) { if (perf_evsel__is_group_leader(evsel) && evsel->nr_members > 1) { fprintf(fp, "# group: %s{%s", evsel->group_name ?: "", @@ -1768,7 +1767,7 @@ perf_evlist__find_by_index(struct perf_evlist *evlist, int idx) { struct perf_evsel *evsel; - list_for_each_entry(evsel, &evlist->entries, node) { + evlist__for_each(evlist, evsel) { if (evsel->idx == idx) return evsel; } @@ -2071,7 +2070,7 @@ static int process_group_desc(struct perf_file_section *section __maybe_unused, session->evlist->nr_groups = nr_groups; i = nr = 0; - list_for_each_entry(evsel, &session->evlist->entries, node) { + evlist__for_each(session->evlist, evsel) { if (evsel->idx == (int) desc[i].leader_idx) { evsel->leader = evsel; /* {anon_group} is a dummy name */ @@ -2298,7 +2297,7 @@ int perf_session__write_header(struct perf_session *session, lseek(fd, sizeof(f_header), SEEK_SET); - list_for_each_entry(evsel, &evlist->entries, node) { + evlist__for_each(session->evlist, evsel) { evsel->id_offset = lseek(fd, 0, SEEK_CUR); err = do_write(fd, evsel->id, evsel->ids * sizeof(u64)); if (err < 0) { @@ -2309,7 +2308,7 @@ int perf_session__write_header(struct perf_session *session, attr_offset = lseek(fd, 0, SEEK_CUR); - list_for_each_entry(evsel, &evlist->entries, node) { + evlist__for_each(evlist, evsel) { f_attr = (struct perf_file_attr){ .attr = evsel->attr, .ids = { @@ -2742,7 +2741,7 @@ static int perf_evlist__prepare_tracepoint_events(struct perf_evlist *evlist, { struct perf_evsel *pos; - list_for_each_entry(pos, &evlist->entries, node) { + evlist__for_each(evlist, pos) { if (pos->attr.type == PERF_TYPE_TRACEPOINT && perf_evsel__prepare_tracepoint_event(pos, pevent)) return -1; @@ -2890,7 +2889,7 @@ int perf_event__synthesize_attrs(struct perf_tool *tool, struct perf_evsel *evsel; int err = 0; - list_for_each_entry(evsel, &session->evlist->entries, node) { + evlist__for_each(session->evlist, evsel) { err = perf_event__synthesize_attr(tool, &evsel->attr, evsel->ids, evsel->id, process); if (err) { diff --git a/tools/perf/util/header.h b/tools/perf/util/header.h index 307c9ae..a2d047b 100644 --- a/tools/perf/util/header.h +++ b/tools/perf/util/header.h @@ -77,16 +77,16 @@ struct perf_session_env { unsigned long long total_mem; int nr_cmdline; - char *cmdline; int nr_sibling_cores; - char *sibling_cores; int nr_sibling_threads; - char *sibling_threads; int nr_numa_nodes; - char *numa_nodes; int nr_pmu_mappings; - char *pmu_mappings; int nr_groups; + char *cmdline; + char *sibling_cores; + char *sibling_threads; + char *numa_nodes; + char *pmu_mappings; }; struct perf_header { diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c index a98538d..0130279 100644 --- a/tools/perf/util/machine.c +++ b/tools/perf/util/machine.c @@ -27,6 +27,7 @@ int machine__init(struct machine *machine, const char *root_dir, pid_t pid) machine->pid = pid; machine->symbol_filter = NULL; + machine->id_hdr_size = 0; machine->root_dir = strdup(root_dir); if (machine->root_dir == NULL) diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c index 0153435..a7f1b6a 100644 --- a/tools/perf/util/parse-events.c +++ b/tools/perf/util/parse-events.c @@ -820,8 +820,7 @@ int parse_events__modifier_event(struct list_head *list, char *str, bool add) if (!add && get_event_modifier(&mod, str, NULL)) return -EINVAL; - list_for_each_entry(evsel, list, node) { - + __evlist__for_each(list, evsel) { if (add && get_event_modifier(&mod, str, evsel)) return -EINVAL; @@ -845,7 +844,7 @@ int parse_events_name(struct list_head *list, char *name) { struct perf_evsel *evsel; - list_for_each_entry(evsel, list, node) { + __evlist__for_each(list, evsel) { if (!evsel->name) evsel->name = strdup(name); } diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c index 0934d64..d9cab4d 100644 --- a/tools/perf/util/pmu.c +++ b/tools/perf/util/pmu.c @@ -505,7 +505,7 @@ static __u64 pmu_format_value(unsigned long *format, __u64 value) /* * Setup one of config[12] attr members based on the - * user input data - temr parameter. + * user input data - term parameter. */ static int pmu_config_term(struct list_head *formats, struct perf_event_attr *attr, diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c index 86ed858..a4ee6b4 100644 --- a/tools/perf/util/probe-event.c +++ b/tools/perf/util/probe-event.c @@ -172,6 +172,7 @@ const char *kernel_get_module_path(const char *module) return (dso) ? dso->long_name : NULL; } +#ifdef HAVE_DWARF_SUPPORT /* Copied from unwind.c */ static Elf_Scn *elf_section_by_name(Elf *elf, GElf_Ehdr *ep, GElf_Shdr *shp, const char *name) @@ -217,6 +218,7 @@ out: elf_end(elf); return ret; } +#endif static int init_user_exec(void) { @@ -750,7 +752,8 @@ static int kprobe_convert_to_perf_probe(struct probe_trace_point *tp, static int try_to_find_probe_trace_events(struct perf_probe_event *pev, struct probe_trace_event **tevs __maybe_unused, - int max_tevs __maybe_unused, const char *target) + int max_tevs __maybe_unused, + const char *target __maybe_unused) { if (perf_probe_event_need_dwarf(pev)) { pr_warning("Debuginfo-analysis is not supported.\n"); diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c index 4bf8ace..122669c 100644 --- a/tools/perf/util/python.c +++ b/tools/perf/util/python.c @@ -908,9 +908,10 @@ static PyObject *pyrf_evlist__item(PyObject *obj, Py_ssize_t i) if (i >= pevlist->evlist.nr_entries) return NULL; - list_for_each_entry(pos, &pevlist->evlist.entries, node) + evlist__for_each(&pevlist->evlist, pos) { if (i-- == 0) break; + } return Py_BuildValue("O", container_of(pos, struct pyrf_evsel, evsel)); } diff --git a/tools/perf/util/record.c b/tools/perf/util/record.c index 104a475..3737625 100644 --- a/tools/perf/util/record.c +++ b/tools/perf/util/record.c @@ -89,19 +89,19 @@ void perf_evlist__config(struct perf_evlist *evlist, struct record_opts *opts) if (evlist->cpus->map[0] < 0) opts->no_inherit = true; - list_for_each_entry(evsel, &evlist->entries, node) + evlist__for_each(evlist, evsel) perf_evsel__config(evsel, opts); if (evlist->nr_entries > 1) { struct perf_evsel *first = perf_evlist__first(evlist); - list_for_each_entry(evsel, &evlist->entries, node) { + evlist__for_each(evlist, evsel) { if (evsel->attr.sample_type == first->attr.sample_type) continue; use_sample_identifier = perf_can_sample_identifier(); break; } - list_for_each_entry(evsel, &evlist->entries, node) + evlist__for_each(evlist, evsel) perf_evsel__set_sample_id(evsel, use_sample_identifier); } diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c index 8ffe29c..7acc03e 100644 --- a/tools/perf/util/session.c +++ b/tools/perf/util/session.c @@ -1384,7 +1384,7 @@ bool perf_session__has_traces(struct perf_session *session, const char *msg) { struct perf_evsel *evsel; - list_for_each_entry(evsel, &session->evlist->entries, node) { + evlist__for_each(session->evlist, evsel) { if (evsel->attr.type == PERF_TYPE_TRACEPOINT) return true; } @@ -1442,7 +1442,7 @@ size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp) ret += events_stats__fprintf(&session->stats, fp); - list_for_each_entry(pos, &session->evlist->entries, node) { + evlist__for_each(session->evlist, pos) { ret += fprintf(fp, "%s stats:\n", perf_evsel__name(pos)); ret += events_stats__fprintf(&pos->hists.stats, fp); } @@ -1464,7 +1464,7 @@ struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session, { struct perf_evsel *pos; - list_for_each_entry(pos, &session->evlist->entries, node) { + evlist__for_each(session->evlist, pos) { if (pos->attr.type == type) return pos; } diff --git a/tools/perf/util/unwind.c b/tools/perf/util/unwind.c index 0efd539..416f22b 100644 --- a/tools/perf/util/unwind.c +++ b/tools/perf/util/unwind.c @@ -340,10 +340,10 @@ find_proc_info(unw_addr_space_t as, unw_word_t ip, unw_proc_info_t *pi, /* Check the .debug_frame section for unwinding info */ if (!read_unwind_spec_debug_frame(map->dso, ui->machine, &segbase)) { memset(&di, 0, sizeof(di)); - dwarf_find_debug_frame(0, &di, ip, 0, map->dso->name, - map->start, map->end); - return dwarf_search_unwind_table(as, ip, &di, pi, - need_unwind_info, arg); + if (dwarf_find_debug_frame(0, &di, ip, 0, map->dso->name, + map->start, map->end)) + return dwarf_search_unwind_table(as, ip, &di, pi, + need_unwind_info, arg); } #endif |