diff options
| -rw-r--r-- | tools/perf/Makefile.perf | 2 | ||||
| -rw-r--r-- | tools/perf/builtin-inject.c | 53 | ||||
| -rw-r--r-- | tools/perf/builtin-record.c | 13 | ||||
| -rw-r--r-- | tools/perf/config/Makefile | 5 | ||||
| -rw-r--r-- | tools/perf/tests/make | 4 | ||||
| -rw-r--r-- | tools/perf/util/Build | 2 | ||||
| -rw-r--r-- | tools/perf/util/auxtrace.h | 128 |
7 files changed, 186 insertions, 21 deletions
diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf index c43a205..03409cc 100644 --- a/tools/perf/Makefile.perf +++ b/tools/perf/Makefile.perf @@ -73,6 +73,8 @@ include config/utilities.mak # for CTF data format. # # Define NO_LZMA if you do not want to support compressed (xz) kernel modules +# +# Define NO_AUXTRACE if you do not want AUX area tracing support ifeq ($(srctree),) srctree := $(patsubst %/,%,$(dir $(shell pwd))) diff --git a/tools/perf/builtin-inject.c b/tools/perf/builtin-inject.c index cc905f1..7c7a7ee 100644 --- a/tools/perf/builtin-inject.c +++ b/tools/perf/builtin-inject.c @@ -53,25 +53,6 @@ static int output_bytes(struct perf_inject *inject, void *buf, size_t sz) return 0; } -static int copy_bytes(struct perf_inject *inject, int fd, off_t size) -{ - char buf[4096]; - ssize_t ssz; - int ret; - - while (size > 0) { - ssz = read(fd, buf, min(size, (off_t)sizeof(buf))); - if (ssz < 0) - return -errno; - ret = output_bytes(inject, buf, ssz); - if (ret) - return ret; - size -= ssz; - } - - return 0; -} - static int perf_event__repipe_synth(struct perf_tool *tool, union perf_event *event) { @@ -114,6 +95,27 @@ static int perf_event__repipe_attr(struct perf_tool *tool, return perf_event__repipe_synth(tool, event); } +#ifdef HAVE_AUXTRACE_SUPPORT + +static int copy_bytes(struct perf_inject *inject, int fd, off_t size) +{ + char buf[4096]; + ssize_t ssz; + int ret; + + while (size > 0) { + ssz = read(fd, buf, min(size, (off_t)sizeof(buf))); + if (ssz < 0) + return -errno; + ret = output_bytes(inject, buf, ssz); + if (ret) + return ret; + size -= ssz; + } + + return 0; +} + static s64 perf_event__repipe_auxtrace(struct perf_tool *tool, union perf_event *event, struct perf_session *session @@ -153,6 +155,19 @@ static s64 perf_event__repipe_auxtrace(struct perf_tool *tool, return event->auxtrace.size; } +#else + +static s64 +perf_event__repipe_auxtrace(struct perf_tool *tool __maybe_unused, + union perf_event *event __maybe_unused, + struct perf_session *session __maybe_unused) +{ + pr_err("AUX area tracing not supported\n"); + return -EINVAL; +} + +#endif + static int perf_event__repipe(struct perf_tool *tool, union perf_event *event, struct perf_sample *sample __maybe_unused, diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index 4d0ebbb..dbb2c02 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -112,6 +112,8 @@ out: return rc; } +#ifdef HAVE_AUXTRACE_SUPPORT + static int record__process_auxtrace(struct perf_tool *tool, union perf_event *event, void *data1, size_t len1, void *data2, size_t len2) @@ -165,6 +167,17 @@ static int record__auxtrace_mmap_read(struct record *rec, return 0; } +#else + +static inline +int record__auxtrace_mmap_read(struct record *rec __maybe_unused, + struct auxtrace_mmap *mm __maybe_unused) +{ + return 0; +} + +#endif + static volatile int done = 0; static volatile int signr = -1; static volatile int child_finished = 0; diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile index 59a98c6..435b6ca 100644 --- a/tools/perf/config/Makefile +++ b/tools/perf/config/Makefile @@ -610,6 +610,11 @@ ifdef LIBBABELTRACE endif endif +ifndef NO_AUXTRACE + $(call detected,CONFIG_AUXTRACE) + CFLAGS += -DHAVE_AUXTRACE_SUPPORT +endif + # Among the variables below, these: # perfexecdir # template_dir diff --git a/tools/perf/tests/make b/tools/perf/tests/make index 901ec91..65280d2 100644 --- a/tools/perf/tests/make +++ b/tools/perf/tests/make @@ -32,6 +32,7 @@ make_no_backtrace := NO_BACKTRACE=1 make_no_libnuma := NO_LIBNUMA=1 make_no_libaudit := NO_LIBAUDIT=1 make_no_libbionic := NO_LIBBIONIC=1 +make_no_auxtrace := NO_AUXTRACE=1 make_tags := tags make_cscope := cscope make_help := help @@ -52,7 +53,7 @@ make_static := LDFLAGS=-static make_minimal := NO_LIBPERL=1 NO_LIBPYTHON=1 NO_NEWT=1 NO_GTK2=1 make_minimal += NO_DEMANGLE=1 NO_LIBELF=1 NO_LIBUNWIND=1 NO_BACKTRACE=1 make_minimal += NO_LIBNUMA=1 NO_LIBAUDIT=1 NO_LIBBIONIC=1 -make_minimal += NO_LIBDW_DWARF_UNWIND=1 +make_minimal += NO_LIBDW_DWARF_UNWIND=1 NO_AUXTRACE=1 # $(run) contains all available tests run := make_pure @@ -74,6 +75,7 @@ run += make_no_backtrace run += make_no_libnuma run += make_no_libaudit run += make_no_libbionic +run += make_no_auxtrace run += make_help run += make_doc run += make_perf_o diff --git a/tools/perf/util/Build b/tools/perf/util/Build index 28af8e2..d552203 100644 --- a/tools/perf/util/Build +++ b/tools/perf/util/Build @@ -74,7 +74,7 @@ libperf-y += data.o libperf-$(CONFIG_X86) += tsc.o libperf-y += cloexec.o libperf-y += thread-stack.o -libperf-y += auxtrace.o +libperf-$(CONFIG_AUXTRACE) += auxtrace.o libperf-$(CONFIG_LIBELF) += symbol-elf.o libperf-$(CONFIG_LIBELF) += probe-event.o diff --git a/tools/perf/util/auxtrace.h b/tools/perf/util/auxtrace.h index b9e4b9d..77b4699 100644 --- a/tools/perf/util/auxtrace.h +++ b/tools/perf/util/auxtrace.h @@ -26,6 +26,7 @@ #include "../perf.h" #include "event.h" #include "session.h" +#include "debug.h" union perf_event; struct perf_session; @@ -290,6 +291,8 @@ struct auxtrace_record { int (*read_finish)(struct auxtrace_record *itr, int idx); }; +#ifdef HAVE_AUXTRACE_SUPPORT + static inline u64 auxtrace_mmap__read_head(struct auxtrace_mmap *mm) { struct perf_event_mmap_page *pc = mm->userpg; @@ -458,4 +461,129 @@ static inline void auxtrace__free(struct perf_session *session) return session->auxtrace->free(session); } +#else + +static inline struct auxtrace_record * +auxtrace_record__init(struct perf_evlist *evlist __maybe_unused, + int *err __maybe_unused) +{ + *err = 0; + return NULL; +} + +static inline +void auxtrace_record__free(struct auxtrace_record *itr __maybe_unused) +{ +} + +static inline int +perf_event__synthesize_auxtrace_info(struct auxtrace_record *itr __maybe_unused, + struct perf_tool *tool __maybe_unused, + struct perf_session *session __maybe_unused, + perf_event__handler_t process __maybe_unused) +{ + return -EINVAL; +} + +static inline +int auxtrace_record__options(struct auxtrace_record *itr __maybe_unused, + struct perf_evlist *evlist __maybe_unused, + struct record_opts *opts __maybe_unused) +{ + return 0; +} + +#define perf_event__process_auxtrace_info 0 +#define perf_event__process_auxtrace 0 +#define perf_event__process_auxtrace_error 0 + +static inline +void perf_session__auxtrace_error_inc(struct perf_session *session + __maybe_unused, + union perf_event *event + __maybe_unused) +{ +} + +static inline +void events_stats__auxtrace_error_warn(const struct events_stats *stats + __maybe_unused) +{ +} + +static inline +int itrace_parse_synth_opts(const struct option *opt __maybe_unused, + const char *str __maybe_unused, + int unset __maybe_unused) +{ + pr_err("AUX area tracing not supported\n"); + return -EINVAL; +} + +static inline +int auxtrace__process_event(struct perf_session *session __maybe_unused, + union perf_event *event __maybe_unused, + struct perf_sample *sample __maybe_unused, + struct perf_tool *tool __maybe_unused) +{ + return 0; +} + +static inline +int auxtrace__flush_events(struct perf_session *session __maybe_unused, + struct perf_tool *tool __maybe_unused) +{ + return 0; +} + +static inline +void auxtrace__free_events(struct perf_session *session __maybe_unused) +{ +} + +static inline +void auxtrace_cache__free(struct auxtrace_cache *auxtrace_cache __maybe_unused) +{ +} + +static inline +void auxtrace__free(struct perf_session *session __maybe_unused) +{ +} + +static inline +int auxtrace_index__write(int fd __maybe_unused, + struct list_head *head __maybe_unused) +{ + return -EINVAL; +} + +static inline +int auxtrace_index__process(int fd __maybe_unused, + u64 size __maybe_unused, + struct perf_session *session __maybe_unused, + bool needs_swap __maybe_unused) +{ + return -EINVAL; +} + +static inline +void auxtrace_index__free(struct list_head *head __maybe_unused) +{ +} + +int auxtrace_mmap__mmap(struct auxtrace_mmap *mm, + struct auxtrace_mmap_params *mp, + void *userpg, int fd); +void auxtrace_mmap__munmap(struct auxtrace_mmap *mm); +void auxtrace_mmap_params__init(struct auxtrace_mmap_params *mp, + off_t auxtrace_offset, + unsigned int auxtrace_pages, + bool auxtrace_overwrite); +void auxtrace_mmap_params__set_idx(struct auxtrace_mmap_params *mp, + struct perf_evlist *evlist, int idx, + bool per_cpu); + +#endif + #endif |