Messages in this thread Patch in this message | | | Date | Sat, 22 Feb 2014 09:57:55 -0800 | From | tip-bot for Jiri Olsa <> | Subject | [tip:perf/core] perf callchain: Do not report zero address in unwind |
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Commit-ID: 1cf0382af98f6365b01b59453fe18dffe3c73d2f Gitweb: http://git.kernel.org/tip/1cf0382af98f6365b01b59453fe18dffe3c73d2f Author: Jiri Olsa <jolsa@redhat.com> AuthorDate: Tue, 7 Jan 2014 13:47:24 +0100 Committer: Arnaldo Carvalho de Melo <acme@redhat.com> CommitDate: Tue, 18 Feb 2014 09:34:48 -0300
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> --- tools/perf/util/unwind.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/perf/util/unwind.c b/tools/perf/util/unwind.c index bff3209..3b70181 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);
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