diff options
| author | Adrian Hunter <adrian.hunter@intel.com> | 2015-07-17 19:33:48 +0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2015-08-24 17:42:26 -0300 |
| commit | 2a21d03686881331b0af0471588674e7e896eeb2 (patch) | |
| tree | 91789a1db7da2ce70b141ba62b40ae880136629a /tools/perf/util/intel-pt-decoder | |
| parent | 5c9ce1e644c1919ac4bff4394a4c372f47a89b4e (diff) | |
perf tools: Fix Intel PT 'instructions' sample period
The period on synthesized 'instructions' samples was being set to a
fixed value, whereas the correct value is the number of instructions
since the last sample, which is a value that the decoder can provide.
So do it that way.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/r/1437150840-31811-14-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/intel-pt-decoder')
| -rw-r--r-- | tools/perf/util/intel-pt-decoder/intel-pt-decoder.c | 3 | ||||
| -rw-r--r-- | tools/perf/util/intel-pt-decoder/intel-pt-decoder.h | 1 |
2 files changed, 4 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 f8ac462fec1a..56790ea1e88e 100644 --- a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c +++ b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c @@ -108,6 +108,7 @@ struct intel_pt_decoder { uint64_t sign_bits; uint64_t period; enum intel_pt_period_type period_type; + uint64_t tot_insn_cnt; uint64_t period_insn_cnt; uint64_t period_mask; uint64_t period_ticks; @@ -559,6 +560,7 @@ static int intel_pt_walk_insn(struct intel_pt_decoder *decoder, err = decoder->walk_insn(intel_pt_insn, &insn_cnt, &decoder->ip, ip, max_insn_cnt, decoder->data); + decoder->tot_insn_cnt += insn_cnt; decoder->timestamp_insn_cnt += insn_cnt; decoder->period_insn_cnt += insn_cnt; @@ -1529,6 +1531,7 @@ const struct intel_pt_state *intel_pt_decode(struct intel_pt_decoder *decoder) decoder->state.timestamp = decoder->timestamp; decoder->state.est_timestamp = intel_pt_est_timestamp(decoder); decoder->state.cr3 = decoder->cr3; + decoder->state.tot_insn_cnt = decoder->tot_insn_cnt; if (err) decoder->state.from_ip = decoder->ip; diff --git a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.h b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.h index 4c4880230cc9..cbf57044c385 100644 --- a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.h +++ b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.h @@ -58,6 +58,7 @@ struct intel_pt_state { uint64_t from_ip; uint64_t to_ip; uint64_t cr3; + uint64_t tot_insn_cnt; uint64_t timestamp; uint64_t est_timestamp; uint64_t trace_nr; |