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authorArnaldo Carvalho de Melo <acme@redhat.com>2017-04-19 22:21:59 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2017-04-24 18:33:31 +0300
commit8c2b7cac78e17886e8089389a570a290c9b5ca67 (patch)
tree94302f8f9f6dcdf61e2df74ef9f9f75f0d903f71 /tools/perf/util/util.c
parentbb8c16db43e48f2012c3ae8c7d682f834c5986d9 (diff)
downloadlinux-8c2b7cac78e17886e8089389a570a290c9b5ca67.tar.xz
perf debug: Move dump_stack() and sighandler_dump_stack() to debug.h
Two more out of util.h. Link: http://lkml.kernel.org/n/tip-polkuxm1cpr06lbgue5pyqum@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.c31
1 files changed, 0 insertions, 31 deletions
diff --git a/tools/perf/util/util.c b/tools/perf/util/util.c
index eb49330c77d4..ae8036f06329 100644
--- a/tools/perf/util/util.c
+++ b/tools/perf/util/util.c
@@ -4,9 +4,6 @@
#include <api/fs/fs.h>
#include <sys/mman.h>
#include <sys/utsname.h>
-#ifdef HAVE_BACKTRACE_SUPPORT
-#include <execinfo.h>
-#endif
#include <dirent.h>
#include <inttypes.h>
#include <signal.h>
@@ -353,34 +350,6 @@ int hex2u64(const char *ptr, u64 *long_val)
return p - ptr;
}
-/* Obtain a backtrace and print it to stdout. */
-#ifdef HAVE_BACKTRACE_SUPPORT
-void dump_stack(void)
-{
- void *array[16];
- size_t size = backtrace(array, ARRAY_SIZE(array));
- char **strings = backtrace_symbols(array, size);
- size_t i;
-
- printf("Obtained %zd stack frames.\n", size);
-
- for (i = 0; i < size; i++)
- printf("%s\n", strings[i]);
-
- free(strings);
-}
-#else
-void dump_stack(void) {}
-#endif
-
-void sighandler_dump_stack(int sig)
-{
- psignal(sig, "perf");
- dump_stack();
- signal(sig, SIG_DFL);
- raise(sig);
-}
-
unsigned long parse_tag_value(const char *str, struct parse_tag *tags)
{
struct parse_tag *i = tags;