diff options
| author |   Adrian Hunter <adrian.hunter@intel.com> | 2017-05-26 11:17:33 +0300 |
|---|---|---|
| committer |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2017-06-30 11:44:36 -0300 |
| commit | 4a9fd4e0effc94b9ec79250946a0054d4dd1a963 (patch) | |
| tree | 32ac2de0a16631dbc2d8a28e0fb9476f1ec54d4f /tools/perf/util/intel-pt.c | |
| parent | perf intel-pt: Factor out intel_pt_set_event_name() (diff) | |
| download | wireguard-linux-4a9fd4e0effc94b9ec79250946a0054d4dd1a963.tar.xz wireguard-linux-4a9fd4e0effc94b9ec79250946a0054d4dd1a963.zip | |
perf intel-pt: Move code in intel_pt_synth_events() to simplify attr setting
intel_pt_synth_events() uses the same attr structure to create each event.
Move the code around a bit to simplify that.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Link: http://lkml.kernel.org/r/1495786658-18063-33-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to '')
| -rw-r--r-- | tools/perf/util/intel-pt.c | 45 |
1 files changed, 22 insertions, 23 deletions
diff --git a/tools/perf/util/intel-pt.c b/tools/perf/util/intel-pt.c index a20712e1ed28..ace79a405f98 100644 --- a/tools/perf/util/intel-pt.c +++ b/tools/perf/util/intel-pt.c @@ -1997,6 +1997,25 @@ static int intel_pt_synth_events(struct intel_pt *pt, if (!id) id = 1; + if (pt->synth_opts.branches) { + attr.config = PERF_COUNT_HW_BRANCH_INSTRUCTIONS; + attr.sample_period = 1; + attr.sample_type |= PERF_SAMPLE_ADDR; + err = intel_pt_synth_event(session, "branches", &attr, id); + if (err) + return err; + pt->sample_branches = true; + pt->branches_sample_type = attr.sample_type; + pt->branches_id = id; + id += 1; + attr.sample_type &= ~(u64)PERF_SAMPLE_ADDR; + } + + if (pt->synth_opts.callchain) + attr.sample_type |= PERF_SAMPLE_CALLCHAIN; + if (pt->synth_opts.last_branch) + attr.sample_type |= PERF_SAMPLE_BRANCH_STACK; + if (pt->synth_opts.instructions) { attr.config = PERF_COUNT_HW_INSTRUCTIONS; if (pt->synth_opts.period_type == PERF_ITRACE_PERIOD_NANOSECS) @@ -2004,10 +2023,6 @@ static int intel_pt_synth_events(struct intel_pt *pt, intel_pt_ns_to_ticks(pt, pt->synth_opts.period); else attr.sample_period = pt->synth_opts.period; - if (pt->synth_opts.callchain) - attr.sample_type |= PERF_SAMPLE_CALLCHAIN; - if (pt->synth_opts.last_branch) - attr.sample_type |= PERF_SAMPLE_BRANCH_STACK; err = intel_pt_synth_event(session, "instructions", &attr, id); if (err) return err; @@ -2017,13 +2032,11 @@ static int intel_pt_synth_events(struct intel_pt *pt, id += 1; } + attr.sample_type &= ~(u64)PERF_SAMPLE_PERIOD; + attr.sample_period = 1; + if (pt->synth_opts.transactions) { attr.config = PERF_COUNT_HW_INSTRUCTIONS; - attr.sample_period = 1; - if (pt->synth_opts.callchain) - attr.sample_type |= PERF_SAMPLE_CALLCHAIN; - if (pt->synth_opts.last_branch) - attr.sample_type |= PERF_SAMPLE_BRANCH_STACK; err = intel_pt_synth_event(session, "transactions", &attr, id); if (err) return err; @@ -2034,20 +2047,6 @@ static int intel_pt_synth_events(struct intel_pt *pt, id += 1; } - if (pt->synth_opts.branches) { - attr.config = PERF_COUNT_HW_BRANCH_INSTRUCTIONS; - attr.sample_period = 1; - attr.sample_type |= PERF_SAMPLE_ADDR; - attr.sample_type &= ~(u64)PERF_SAMPLE_CALLCHAIN; - attr.sample_type &= ~(u64)PERF_SAMPLE_BRANCH_STACK; - err = intel_pt_synth_event(session, "branches", &attr, id); - if (err) - return err; - pt->sample_branches = true; - pt->branches_sample_type = attr.sample_type; - pt->branches_id = id; - } - pt->synth_needs_swap = evsel->needs_swap; return 0; |