Commit-ID: 07c1a0dadfce976e9877c55ce5212dd14753c91d Gitweb: http://git.kernel.org/tip/07c1a0dadfce976e9877c55ce5212dd14753c91d Author: Arnaldo Carvalho de Melo <a...@redhat.com> AuthorDate: Tue, 24 Feb 2015 15:34:23 -0300 Committer: Arnaldo Carvalho de Melo <a...@redhat.com> CommitDate: Tue, 24 Feb 2015 15:34:23 -0300
perf tools: Introduce dump_stack signal helper To use in stdio based tools, like 'trace'. Cc: Adrian Hunter <adrian.hun...@intel.com> Cc: Borislav Petkov <b...@suse.de> Cc: David Ahern <dsah...@gmail.com> Cc: Don Zickus <dzic...@redhat.com> Cc: Frederic Weisbecker <fweis...@gmail.com> Cc: Jiri Olsa <jo...@redhat.com> Cc: Namhyung Kim <namhy...@kernel.org> Cc: Stephane Eranian <eran...@google.com> Link: http://lkml.kernel.org/n/tip-79kjmerlw6d88csyx1afz...@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com> --- tools/perf/util/util.c | 7 +++++++ tools/perf/util/util.h | 1 + 2 files changed, 8 insertions(+) diff --git a/tools/perf/util/util.c b/tools/perf/util/util.c index 92db3f1..4ee6d0d 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"); diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h index 73c2f8e..fbd598a 100644 --- a/tools/perf/util/util.h +++ b/tools/perf/util/util.h @@ -277,6 +277,7 @@ char *ltrim(char *s); char *rtrim(char *s); void dump_stack(void); +void sighandler_dump_stack(int sig); extern unsigned int page_size; extern int cacheline_size; -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
