diff options
Diffstat (limited to 'tools/perf/util/util.c')
| -rw-r--r-- | tools/perf/util/util.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/tools/perf/util/util.c b/tools/perf/util/util.c index d03599fbe78..2055cf38041 100644 --- a/tools/perf/util/util.c +++ b/tools/perf/util/util.c @@ -1,6 +1,11 @@ #include "../perf.h" #include "util.h" #include <sys/mman.h> +#ifndef NO_BACKTRACE +#include <execinfo.h> +#endif +#include <stdio.h> +#include <stdlib.h> /* * XXX We need to find a better place for these things... @@ -158,3 +163,23 @@ size_t hex_width(u64 v) return n; } + +/* Obtain a backtrace and print it to stdout. */ +#ifndef NO_BACKTRACE +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 |