Commit-ID: c1d3e633e16db3eb64f519c7099171bfcef94b20 Gitweb: https://git.kernel.org/tip/c1d3e633e16db3eb64f519c7099171bfcef94b20 Author: Jin Yao <yao....@linux.intel.com> AuthorDate: Tue, 5 Mar 2019 21:05:43 +0800 Committer: Arnaldo Carvalho de Melo <a...@redhat.com> CommitDate: Wed, 6 Mar 2019 18:06:16 -0300
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....@linux.intel.com> Acked-by: Jiri Olsa <jo...@kernel.org> Cc: Alexander Shishkin <alexander.shish...@linux.intel.com> Cc: Andi Kleen <a...@linux.intel.com> Cc: Jin Yao <yao....@intel.com> Cc: Kan Liang <kan.li...@linux.intel.com> Cc: Peter Zijlstra <pet...@infradead.org> Link: http://lkml.kernel.org/r/1551791143-10334-4-git-send-email-yao....@linux.intel.com Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com> --- tools/perf/Documentation/perf-diff.txt | 6 ++++++ tools/perf/builtin-diff.c | 4 ++++ 2 files changed, 10 insertions(+) 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() };
