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Commit 07c1a0da authored by Arnaldo Carvalho de Melo's avatar Arnaldo Carvalho de Melo
Browse files

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: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 28083681

tools/perf/util/util.c

+7 −0
Original line number Diff line number Diff line
@@ -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");

tools/perf/util/util.h

+1 −0
Original line number Diff line number Diff line
@@ -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;