diff options
author | Jiri Olsa <[email protected]> | 2014-01-07 13:47:24 +0100 |
---|---|---|
committer | Arnaldo Carvalho de Melo <[email protected]> | 2014-02-18 09:34:48 -0300 |
commit | 1cf0382af98f6365b01b59453fe18dffe3c73d2f (patch) | |
tree | 83fda6824039923316b40d02740f4e999c56e6e7 | |
parent | b42dc32d4f91e4c0f34b628fdb012eb423da9e69 (diff) |
perf callchain: Do not report zero address in unwind
We are not interested in zero addresses in callchain, do not report
them.
Signed-off-by: Jiri Olsa <[email protected]>
Acked-by: Jean Pihet <[email protected]>
Cc: Corey Ashford <[email protected]>
Cc: David Ahern <[email protected]>
Cc: Frederic Weisbecker <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Jean Pihet <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
-rw-r--r-- | tools/perf/util/unwind.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/perf/util/unwind.c b/tools/perf/util/unwind.c index bff3209305e1..3b7018102dfb 100644 --- a/tools/perf/util/unwind.c +++ b/tools/perf/util/unwind.c @@ -563,7 +563,7 @@ static int get_entries(struct unwind_info *ui, unwind_entry_cb_t cb, unw_word_t ip; unw_get_reg(&c, UNW_REG_IP, &ip); - ret = entry(ip, ui->thread, ui->machine, cb, arg); + ret = ip ? entry(ip, ui->thread, ui->machine, cb, arg) : 0; } unw_destroy_addr_space(addr_space); |