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| author | Jin Yao <yao.jin@linux.intel.com> | 2019-03-05 21:05:43 +0800 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2019-03-06 18:06:16 -0300 |
| commit | c1d3e633e16db3eb64f519c7099171bfcef94b20 (patch) | |
| tree | 68315dd153428965a90231c70a83cef7e1f0c010 /tools | |
| parent | daca23b2007595b6a48255ca08c763f56050d1c5 (diff) | |
| download | linux-rpi-c1d3e633e16db3eb64f519c7099171bfcef94b20.tar.gz linux-rpi-c1d3e633e16db3eb64f519c7099171bfcef94b20.tar.bz2 linux-rpi-c1d3e633e16db3eb64f519c7099171bfcef94b20.zip | |
perf diff: Support --pid/--tid filter options
Using the existing symbol_conf.pid_list_str and symbol_conf.tid_list_str
logic.
For example:
perf diff --tid 13965
It'll only diff the samples for thread 13965.
Signed-off-by: Jin Yao <yao.jin@linux.intel.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jin Yao <yao.jin@intel.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1551791143-10334-4-git-send-email-yao.jin@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/perf/Documentation/perf-diff.txt | 6 | ||||
| -rw-r--r-- | tools/perf/builtin-diff.c | 4 |
2 files changed, 10 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-diff.txt b/tools/perf/Documentation/perf-diff.txt index 8c2c229faf50..da7809b15cc9 100644 --- a/tools/perf/Documentation/perf-diff.txt +++ b/tools/perf/Documentation/perf-diff.txt @@ -168,6 +168,12 @@ OPTIONS CPUs are specified with -: 0-2. Default is to report samples on all CPUs. +--pid=:: + Only diff samples for given process ID (comma separated list). + +--tid=:: + Only diff samples for given thread ID (comma separated list). + COMPARISON ---------- The comparison is governed by the baseline file. The baseline perf.data diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c index dfe6c7606f5a..6e7920793729 100644 --- a/tools/perf/builtin-diff.c +++ b/tools/perf/builtin-diff.c @@ -985,6 +985,10 @@ static const struct option options[] = { OPT_STRING(0, "time", &pdiff.time_str, "str", "Time span (time percent or absolute timestamp)"), OPT_STRING(0, "cpu", &cpu_list, "cpu", "list of cpus to profile"), + OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]", + "only consider symbols in these pids"), + OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]", + "only consider symbols in these tids"), OPT_END() }; |