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| author |   Jiri Olsa <jolsa@redhat.com> | 2014-01-07 13:47:24 +0100 |
|---|---|---|
| committer |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2014-02-18 09:34:48 -0300 |
| commit | 1cf0382af98f6365b01b59453fe18dffe3c73d2f (patch) | |
| tree | 83fda6824039923316b40d02740f4e999c56e6e7 /tools/perf/util/unwind.c | |
| parent | perf tools: Fix dwarf unwind max_stack processing (diff) | |
| download | linux-dev-1cf0382af98f6365b01b59453fe18dffe3c73d2f.tar.xz linux-dev-1cf0382af98f6365b01b59453fe18dffe3c73d2f.zip | |
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 <jolsa@redhat.com>
Acked-by: Jean Pihet <jean.pihet@linaro.org>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jean Pihet <jean.pihet@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1389098853-14466-8-git-send-email-jolsa@redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to '')
| -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); |