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| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2015-02-24 21:34:23 +0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2015-02-24 21:34:23 +0300 |
| commit | 07c1a0dadfce976e9877c55ce5212dd14753c91d (patch) | |
| tree | 4c2e688b84fb3bf437a4fe2898ae51494f9cf540 /tools/perf/util/util.c | |
| parent | 280836812f5f821d26393268010f211160874810 (diff) | |
| download | linux-07c1a0dadfce976e9877c55ce5212dd14753c91d.tar.xz | |
perf tools: Introduce dump_stack signal helper
To use in stdio based tools, like 'trace'.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: David Ahern <dsahern@gmail.com>
Cc: Don Zickus <dzickus@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-79kjmerlw6d88csyx1afzwvn@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/util.c')
| -rw-r--r-- | tools/perf/util/util.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/tools/perf/util/util.c b/tools/perf/util/util.c index 92db3f156b63..4ee6d0d4c993 100644 --- a/tools/perf/util/util.c +++ b/tools/perf/util/util.c @@ -269,6 +269,13 @@ void dump_stack(void) void dump_stack(void) {} #endif +void sighandler_dump_stack(int sig) +{ + psignal(sig, "perf"); + dump_stack(); + exit(sig); +} + void get_term_dimensions(struct winsize *ws) { char *s = getenv("LINES"); |