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perf intel-pt: Ensure IP is zero when state is INTEL_PT_STATE_NO_IP

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commit ad7167a8cd174ba7d8c0d0ed8d8410521206d104 upstream.

A value of zero is used to indicate that there is no IP. Ensure the
value is zero when the state is INTEL_PT_STATE_NO_IP.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Link: http://lkml.kernel.org/r/1495786658-18063-5-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>
This commit is contained in:
Adrian Hunter
2017-05-26 11:17:05 +03:00
committed by Greg Kroah-Hartman
parent b338b87f22
commit dc0401375f
1 changed files with 1 additions and 0 deletions
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tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
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@@ -2115,6 +2115,7 @@ const struct intel_pt_state *intel_pt_decode(struct intel_pt_decoder *decoder)
break;
case INTEL_PT_STATE_NO_IP:
decoder->last_ip = 0;
decoder->ip = 0;
/* Fall through */
case INTEL_PT_STATE_ERR_RESYNC:
err = intel_pt_sync_ip(decoder);