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perf intel-pt: Cater for CBR change in PSB+

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PSB+ provides status information only so the core-to-bus ratio (CBR) in
PSB+ will not have changed from its previous value. However, cater for
the possibility of a another CBR change that gets caught up in the PSB+
anyway.

Signed-off-by: Adrian Hunter <[email protected]>
Cc: Jiri Olsa <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
This commit is contained in:
Adrian Hunter authored and Arnaldo Carvalho de Melo committed 2019-06-25 08:47:10 -03:00
1 parent abe5a1d3e4
commit 91de8684f1
1 file changed
+7
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tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
+7
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@@ -1975,6 +1975,13 @@ next:
goto next;
if (err)
return err;
/*
* PSB+ CBR will not have changed but cater for the
* possibility of another CBR change that gets caught up
* in the PSB+.
*/
if (decoder->cbr != decoder->cbr_seen)
return 0;
break;
case INTEL_PT_PIP: