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authorAdrian Hunter <adrian.hunter@intel.com>2017-05-26 11:17:04 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-07-27 15:06:03 -0700
commit2178b4aa56b77c23bbbd8e0b85032a31394f9d52 (patch)
tree316867461e4081eded47018900ff027b2b5434e9 /tools/perf
parenta4ebb58fd1241d500b53913dd35f63e697c88ed4 (diff)
perf intel-pt: Fix missing stack clear
commit 12b7080609097753fd8198cc1daf589be3ec1cca upstream. The return compression stack must be cleared whenever there is a PSB. Fix one case where that was not happening. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: Andi Kleen <ak@linux.intel.com> Link: http://lkml.kernel.org/r/1495786658-18063-4-git-send-email-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'tools/perf')
-rw-r--r--tools/perf/util/intel-pt-decoder/intel-pt-decoder.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
index f27cdc0b5389..deadae3837a0 100644
--- a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
+++ b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
@@ -1898,6 +1898,7 @@ static int intel_pt_walk_to_ip(struct intel_pt_decoder *decoder)
break;
case INTEL_PT_PSB:
+ intel_pt_clear_stack(&decoder->stack);
err = intel_pt_walk_psb(decoder);
if (err)
return err;