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| author |   Adrian Hunter <adrian.hunter@intel.com> | 2021-02-05 19:53:47 +0200 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-03-04 10:26:35 +0100 |
| commit | 119f96bb14bcdba1f6e364d5855939dc79d5732c (patch) | |
| tree | 812fd7521d8b924e86ddc15f7b4a1f118c68a85d /tools | |
| parent | Input: sur40 - fix an error code in sur40_probe() (diff) | |
| download | wireguard-linux-119f96bb14bcdba1f6e364d5855939dc79d5732c.tar.xz wireguard-linux-119f96bb14bcdba1f6e364d5855939dc79d5732c.zip | |
perf intel-pt: Fix missing CYC processing in PSB
[ Upstream commit 03fb0f859b45d1eb05c984ab4bd3bef67e45ede2 ]
Add missing CYC packet processing when walking through PSB+. This
improves the accuracy of timestamps that follow PSB+, until the next
MTC.
Fixes: 3d49807870f08 ("perf tools: Add new Intel PT packet definitions")
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Reviewed-by: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: https://lore.kernel.org/r/20210205175350.23817-2-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/perf/util/intel-pt-decoder/intel-pt-decoder.c | 3 |
1 files changed, 3 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 7ffcbd6fcd1a..a3fdea49ad66 100644 --- a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c +++ b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c @@ -1745,6 +1745,9 @@ static int intel_pt_walk_psbend(struct intel_pt_decoder *decoder) break; case INTEL_PT_CYC: + intel_pt_calc_cyc_timestamp(decoder); + break; + case INTEL_PT_VMCS: case INTEL_PT_MNT: case INTEL_PT_PAD: |