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>

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;