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| author | Andi Kleen <ak@linux.intel.com> | 2017-09-05 20:00:28 +0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2017-09-13 15:49:14 +0300 |
| commit | 84c417422798c897f637b0249f64a52807b4a61b (patch) | |
| tree | e68d787314c8837fd7b0bf5b44c2c752813102a7 /tools/perf/builtin-record.c | |
| parent | b90f1333ef08d2a497ae239798868b046f4e3a97 (diff) | |
| download | linux-84c417422798c897f637b0249f64a52807b4a61b.tar.xz | |
perf record: Support direct --user-regs arguments
USER_REGS can currently only collected implicitely with call graph
recording. Sometimes it is useful to see them separately, and filter
them. Add a new --user-regs option to record that is similar to
--intr-regs, but acts on user regs.
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Link: http://lkml.kernel.org/r/20170905170029.19722-1-andi@firstfloor.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/builtin-record.c')
| -rw-r--r-- | tools/perf/builtin-record.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index 56f8142ff97f..9b379f3a3d99 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -1643,6 +1643,9 @@ static struct option __record_options[] = { OPT_CALLBACK_OPTARG('I', "intr-regs", &record.opts.sample_intr_regs, NULL, "any register", "sample selected machine registers on interrupt," " use -I ? to list register names", parse_regs), + OPT_CALLBACK_OPTARG(0, "user-regs", &record.opts.sample_user_regs, NULL, "any register", + "sample selected machine registers on interrupt," + " use -I ? to list register names", parse_regs), OPT_BOOLEAN(0, "running-time", &record.opts.running_time, "Record running/enabled time of read (:S) events"), OPT_CALLBACK('k', "clockid", &record.opts, |