diff options
author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-04-11 21:15:29 (GMT) |
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committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-04-12 01:18:20 (GMT) |
commit | e68ae9cf7d734e669bc0a981b4154f70d29b5059 (patch) | |
tree | ac9880166ffa3ca0745811c6c60b1089d0f94ebd | |
parent | 44621819ddc9d5d0bfd0b0616c6cf33c94189b67 (diff) | |
download | linux-e68ae9cf7d734e669bc0a981b4154f70d29b5059.tar.xz |
perf evsel: Do not use globals in config()
Instead receive a callchain_param pointer to configure callchain
aspects, not doing so if NULL is passed.
This will allow fine grained control over which evsels in an evlist
gets callchains enabled.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Milian Wolff <milian.wolff@kdab.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-2mupip6khc92mh5x4nw9to82@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
-rw-r--r-- | tools/perf/arch/x86/tests/perf-time-to-tsc.c | 2 | ||||
-rw-r--r-- | tools/perf/builtin-kvm.c | 2 | ||||
-rw-r--r-- | tools/perf/builtin-record.c | 2 | ||||
-rw-r--r-- | tools/perf/builtin-top.c | 2 | ||||
-rw-r--r-- | tools/perf/builtin-trace.c | 2 | ||||
-rw-r--r-- | tools/perf/tests/bpf.c | 2 | ||||
-rw-r--r-- | tools/perf/tests/code-reading.c | 2 | ||||
-rw-r--r-- | tools/perf/tests/keep-tracking.c | 2 | ||||
-rw-r--r-- | tools/perf/tests/openat-syscall-tp-fields.c | 2 | ||||
-rw-r--r-- | tools/perf/tests/perf-record.c | 2 | ||||
-rw-r--r-- | tools/perf/tests/switch-tracking.c | 2 | ||||
-rw-r--r-- | tools/perf/util/evlist.h | 5 | ||||
-rw-r--r-- | tools/perf/util/evsel.c | 7 | ||||
-rw-r--r-- | tools/perf/util/evsel.h | 5 | ||||
-rw-r--r-- | tools/perf/util/record.c | 5 |
15 files changed, 26 insertions, 18 deletions
diff --git a/tools/perf/arch/x86/tests/perf-time-to-tsc.c b/tools/perf/arch/x86/tests/perf-time-to-tsc.c index 9d29ee2..d4aa567 100644 --- a/tools/perf/arch/x86/tests/perf-time-to-tsc.c +++ b/tools/perf/arch/x86/tests/perf-time-to-tsc.c @@ -71,7 +71,7 @@ int test__perf_time_to_tsc(int subtest __maybe_unused) CHECK__(parse_events(evlist, "cycles:u", NULL)); - perf_evlist__config(evlist, &opts); + perf_evlist__config(evlist, &opts, NULL); evsel = perf_evlist__first(evlist); diff --git a/tools/perf/builtin-kvm.c b/tools/perf/builtin-kvm.c index bff6664..6487c06 100644 --- a/tools/perf/builtin-kvm.c +++ b/tools/perf/builtin-kvm.c @@ -982,7 +982,7 @@ static int kvm_live_open_events(struct perf_kvm_stat *kvm) struct perf_evlist *evlist = kvm->evlist; char sbuf[STRERR_BUFSIZE]; - perf_evlist__config(evlist, &kvm->opts); + perf_evlist__config(evlist, &kvm->opts, NULL); /* * Note: exclude_{guest,host} do not apply here. diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index e64bd1e..eb6a199 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -284,7 +284,7 @@ static int record__open(struct record *rec) struct record_opts *opts = &rec->opts; int rc = 0; - perf_evlist__config(evlist, opts); + perf_evlist__config(evlist, opts, &callchain_param); evlist__for_each(evlist, pos) { try_again: diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index 8332149..8846df0 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -886,7 +886,7 @@ static int perf_top__start_counters(struct perf_top *top) struct perf_evlist *evlist = top->evlist; struct record_opts *opts = &top->record_opts; - perf_evlist__config(evlist, opts); + perf_evlist__config(evlist, opts, &callchain_param); evlist__for_each(evlist, counter) { try_again: diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index cfa5ce8..08fb100 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -2749,7 +2749,7 @@ static int trace__run(struct trace *trace, int argc, const char **argv) goto out_delete_evlist; } - perf_evlist__config(evlist, &trace->opts); + perf_evlist__config(evlist, &trace->opts, &callchain_param); signal(SIGCHLD, sig_handler); signal(SIGINT, sig_handler); diff --git a/tools/perf/tests/bpf.c b/tools/perf/tests/bpf.c index 199501c..f31eed3 100644 --- a/tools/perf/tests/bpf.c +++ b/tools/perf/tests/bpf.c @@ -138,7 +138,7 @@ static int do_test(struct bpf_object *obj, int (*func)(void), perf_evlist__splice_list_tail(evlist, &parse_evlist.list); evlist->nr_groups = parse_evlist.nr_groups; - perf_evlist__config(evlist, &opts); + perf_evlist__config(evlist, &opts, NULL); err = perf_evlist__open(evlist); if (err < 0) { diff --git a/tools/perf/tests/code-reading.c b/tools/perf/tests/code-reading.c index abd3f0e..68a69a1 100644 --- a/tools/perf/tests/code-reading.c +++ b/tools/perf/tests/code-reading.c @@ -532,7 +532,7 @@ static int do_test_code_reading(bool try_kcore) goto out_put; } - perf_evlist__config(evlist, &opts); + perf_evlist__config(evlist, &opts, NULL); evsel = perf_evlist__first(evlist); diff --git a/tools/perf/tests/keep-tracking.c b/tools/perf/tests/keep-tracking.c index ddb78fa..614e45a 100644 --- a/tools/perf/tests/keep-tracking.c +++ b/tools/perf/tests/keep-tracking.c @@ -80,7 +80,7 @@ int test__keep_tracking(int subtest __maybe_unused) CHECK__(parse_events(evlist, "dummy:u", NULL)); CHECK__(parse_events(evlist, "cycles:u", NULL)); - perf_evlist__config(evlist, &opts); + perf_evlist__config(evlist, &opts, NULL); evsel = perf_evlist__first(evlist); diff --git a/tools/perf/tests/openat-syscall-tp-fields.c b/tools/perf/tests/openat-syscall-tp-fields.c index eb99a105..4344fe4 100644 --- a/tools/perf/tests/openat-syscall-tp-fields.c +++ b/tools/perf/tests/openat-syscall-tp-fields.c @@ -44,7 +44,7 @@ int test__syscall_openat_tp_fields(int subtest __maybe_unused) goto out_delete_evlist; } - perf_evsel__config(evsel, &opts); + perf_evsel__config(evsel, &opts, NULL); thread_map__set_pid(evlist->threads, 0, getpid()); diff --git a/tools/perf/tests/perf-record.c b/tools/perf/tests/perf-record.c index 1cc78ce..b836ee6a 100644 --- a/tools/perf/tests/perf-record.c +++ b/tools/perf/tests/perf-record.c @@ -99,7 +99,7 @@ int test__PERF_RECORD(int subtest __maybe_unused) perf_evsel__set_sample_bit(evsel, CPU); perf_evsel__set_sample_bit(evsel, TID); perf_evsel__set_sample_bit(evsel, TIME); - perf_evlist__config(evlist, &opts); + perf_evlist__config(evlist, &opts, NULL); err = sched__get_first_possible_cpu(evlist->workload.pid, &cpu_mask); if (err < 0) { diff --git a/tools/perf/tests/switch-tracking.c b/tools/perf/tests/switch-tracking.c index ebd8016..39a689b 100644 --- a/tools/perf/tests/switch-tracking.c +++ b/tools/perf/tests/switch-tracking.c @@ -417,7 +417,7 @@ int test__switch_tracking(int subtest __maybe_unused) perf_evsel__set_sample_bit(tracking_evsel, TIME); /* Config events */ - perf_evlist__config(evlist, &opts); + perf_evlist__config(evlist, &opts, NULL); /* Check moved event is still at the front */ if (cycles_evsel != perf_evlist__first(evlist)) { diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h index a0d1522..8db9228 100644 --- a/tools/perf/util/evlist.h +++ b/tools/perf/util/evlist.h @@ -123,11 +123,14 @@ void perf_evlist__mmap_consume(struct perf_evlist *evlist, int idx); int perf_evlist__open(struct perf_evlist *evlist); void perf_evlist__close(struct perf_evlist *evlist); +struct callchain_param; + void perf_evlist__set_id_pos(struct perf_evlist *evlist); bool perf_can_sample_identifier(void); bool perf_can_record_switch_events(void); bool perf_can_record_cpu_wide(void); -void perf_evlist__config(struct perf_evlist *evlist, struct record_opts *opts); +void perf_evlist__config(struct perf_evlist *evlist, struct record_opts *opts, + struct callchain_param *callchain); int record_opts__config(struct record_opts *opts); int perf_evlist__prepare_workload(struct perf_evlist *evlist, diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index 3fd7c2c..8425272 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -737,7 +737,8 @@ static void apply_config_terms(struct perf_evsel *evsel, * enable/disable events specifically, as there's no * initial traced exec call. */ -void perf_evsel__config(struct perf_evsel *evsel, struct record_opts *opts) +void perf_evsel__config(struct perf_evsel *evsel, struct record_opts *opts, + struct callchain_param *callchain) { struct perf_evsel *leader = evsel->leader; struct perf_event_attr *attr = &evsel->attr; @@ -812,8 +813,8 @@ void perf_evsel__config(struct perf_evsel *evsel, struct record_opts *opts) if (perf_evsel__is_function_event(evsel)) evsel->attr.exclude_callchain_user = 1; - if (callchain_param.enabled && !evsel->no_aux_samples) - perf_evsel__config_callgraph(evsel, opts, &callchain_param); + if (callchain && callchain->enabled && !evsel->no_aux_samples) + perf_evsel__config_callgraph(evsel, opts, callchain); if (opts->sample_intr_regs) { attr->sample_regs_intr = opts->sample_intr_regs; diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h index ab3632c..7e45d21 100644 --- a/tools/perf/util/evsel.h +++ b/tools/perf/util/evsel.h @@ -178,8 +178,11 @@ void perf_evsel__init(struct perf_evsel *evsel, void perf_evsel__exit(struct perf_evsel *evsel); void perf_evsel__delete(struct perf_evsel *evsel); +struct callchain_param; + void perf_evsel__config(struct perf_evsel *evsel, - struct record_opts *opts); + struct record_opts *opts, + struct callchain_param *callchain); int __perf_evsel__sample_size(u64 sample_type); void perf_evsel__calc_id_pos(struct perf_evsel *evsel); diff --git a/tools/perf/util/record.c b/tools/perf/util/record.c index 0467367..481792c 100644 --- a/tools/perf/util/record.c +++ b/tools/perf/util/record.c @@ -129,7 +129,8 @@ bool perf_can_record_cpu_wide(void) return true; } -void perf_evlist__config(struct perf_evlist *evlist, struct record_opts *opts) +void perf_evlist__config(struct perf_evlist *evlist, struct record_opts *opts, + struct callchain_param *callchain) { struct perf_evsel *evsel; bool use_sample_identifier = false; @@ -148,7 +149,7 @@ void perf_evlist__config(struct perf_evlist *evlist, struct record_opts *opts) use_comm_exec = perf_can_comm_exec(); evlist__for_each(evlist, evsel) { - perf_evsel__config(evsel, opts); + perf_evsel__config(evsel, opts, callchain); if (evsel->tracking && use_comm_exec) evsel->attr.comm_exec = 1; } |