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authorAdrian Hunter <adrian.hunter@intel.com>2018-05-31 13:23:43 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-07-03 11:23:15 +0200
commit282f1f66b5a0f4875f2562144f5e5c80bc86dfc1 (patch)
tree030973bfe9450386eb282ada99a1d08bc279ac63 /tools/perf
parent31606f7f56de573470f0b7037b764df381a87fa6 (diff)
perf intel-pt: Fix decoding to accept CBR between FUP and corresponding TIP
commit bd2e49ec48feb1855f7624198849eea4610e2286 upstream. It is possible to have a CBR packet between a FUP packet and corresponding TIP packet. Stop treating it as an error. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: stable@vger.kernel.org Link: http://lkml.kernel.org/r/1527762225-26024-3-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.c5
1 files changed, 4 insertions, 1 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 cac39532c057..0fd7697b9d35 100644
--- a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
+++ b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
@@ -1517,7 +1517,6 @@ static int intel_pt_walk_fup_tip(struct intel_pt_decoder *decoder)
case INTEL_PT_PSB:
case INTEL_PT_TSC:
case INTEL_PT_TMA:
- case INTEL_PT_CBR:
case INTEL_PT_MODE_TSX:
case INTEL_PT_BAD:
case INTEL_PT_PSBEND:
@@ -1526,6 +1525,10 @@ static int intel_pt_walk_fup_tip(struct intel_pt_decoder *decoder)
decoder->pkt_step = 0;
return -ENOENT;
+ case INTEL_PT_CBR:
+ intel_pt_calc_cbr(decoder);
+ break;
+
case INTEL_PT_OVF:
return intel_pt_overflow(decoder);