Commit-ID: c1d3e633e16db3eb64f519c7099171bfcef94b20
Gitweb: https://git.kernel.org/tip/c1d3e633e16db3eb64f519c7099171bfcef94b20
Author: Jin Yao <yao.jin@xxxxxxxxxxxxxxx>
AuthorDate: Tue, 5 Mar 2019 21:05:43 +0800
Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
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.jin@xxxxxxxxxxxxxxx>
Acked-by: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx>
Cc: Andi Kleen <ak@xxxxxxxxxxxxxxx>
Cc: Jin Yao <yao.jin@xxxxxxxxx>
Cc: Kan Liang <kan.liang@xxxxxxxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Link: http://lkml.kernel.org/r/1551791143-10334-4-git-send-email-yao.jin@xxxxxxxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
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()
};
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