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| author | Jiri Olsa <jolsa@redhat.com> | 2014-02-03 12:44:43 +0100 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2014-02-18 09:34:47 -0300 |
| commit | a601fdff1af20ea0208e918f5e97a247a3c37a40 (patch) | |
| tree | 998d59c73a7bcb695698c3a7cbe46e89aabd2760 | |
| parent | eb853e80324fa87faf7ae7e1a763ad643f908f2d (diff) | |
| download | op-kernel-dev-a601fdff1af20ea0208e918f5e97a247a3c37a40.zip op-kernel-dev-a601fdff1af20ea0208e918f5e97a247a3c37a40.tar.gz | |
perf record: Add readable output for callchain debug
Adding people readable output for callchain debug, to get following '-v'
output:
$ perf record -v -g ls
callchain: type DWARF
callchain: stack dump size 4096
...
Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1391427883-13443-3-git-send-email-jolsa@redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
| -rw-r--r-- | tools/perf/builtin-record.c | 4 | ||||
| -rw-r--r-- | tools/perf/perf.h | 3 |
2 files changed, 5 insertions, 2 deletions
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index be9e8bc..7b8f0e6 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -735,7 +735,9 @@ int record_parse_callchain(const char *arg, struct record_opts *opts) static void callchain_debug(struct record_opts *opts) { - pr_debug("callchain: type %d\n", opts->call_graph); + static const char *str[CALLCHAIN_MAX] = { "NONE", "FP", "DWARF" }; + + pr_debug("callchain: type %s\n", str[opts->call_graph]); if (opts->call_graph == CALLCHAIN_DWARF) pr_debug("callchain: stack dump size %d\n", diff --git a/tools/perf/perf.h b/tools/perf/perf.h index 2078f33..6898ad0 100644 --- a/tools/perf/perf.h +++ b/tools/perf/perf.h @@ -251,7 +251,8 @@ void pthread__unblock_sigwinch(void); enum perf_call_graph_mode { CALLCHAIN_NONE, CALLCHAIN_FP, - CALLCHAIN_DWARF + CALLCHAIN_DWARF, + CALLCHAIN_MAX }; struct record_opts { |
