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authorAdrian Hunter <adrian.hunter@intel.com>2019-06-10 10:27:57 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2019-06-17 15:57:18 -0300
commit0dfded34a2e3b517c149ee9c7d1e5173025017b7 (patch)
tree734b9cf17217edca5ba36b9737e9a0ad85898c04
parente62ca655eea7ad4956929f647c2d9fb36aeff90e (diff)
perf intel-pt: Factor out common sample preparation for re-use
Factor out common sample preparation for re-use when synthesizing PEBS samples. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lkml.kernel.org/r/20190610072803.10456-6-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
-rw-r--r--tools/perf/util/intel-pt.c23
1 files changed, 16 insertions, 7 deletions
diff --git a/tools/perf/util/intel-pt.c b/tools/perf/util/intel-pt.c
index cc91c1413c22..a2d90b2f1f11 100644
--- a/tools/perf/util/intel-pt.c
+++ b/tools/perf/util/intel-pt.c
@@ -1182,28 +1182,37 @@ static inline bool intel_pt_skip_event(struct intel_pt *pt)
pt->num_events++ < pt->synth_opts.initial_skip;
}
+static void intel_pt_prep_a_sample(struct intel_pt_queue *ptq,
+ union perf_event *event,
+ struct perf_sample *sample)
+{
+ event->sample.header.type = PERF_RECORD_SAMPLE;
+ event->sample.header.size = sizeof(struct perf_event_header);
+
+ sample->pid = ptq->pid;
+ sample->tid = ptq->tid;
+ sample->cpu = ptq->cpu;
+ sample->insn_len = ptq->insn_len;
+ memcpy(sample->insn, ptq->insn, INTEL_PT_INSN_BUF_SZ);
+}
+
static void intel_pt_prep_b_sample(struct intel_pt *pt,
struct intel_pt_queue *ptq,
union perf_event *event,
struct perf_sample *sample)
{
+ intel_pt_prep_a_sample(ptq, event, sample);
+
if (!pt->timeless_decoding)
sample->time = tsc_to_perf_time(ptq->timestamp, &pt->tc);
sample->ip = ptq->state->from_ip;
sample->cpumode = intel_pt_cpumode(pt, sample->ip);
- sample->pid = ptq->pid;
- sample->tid = ptq->tid;
sample->addr = ptq->state->to_ip;
sample->period = 1;
- sample->cpu = ptq->cpu;
sample->flags = ptq->flags;
- sample->insn_len = ptq->insn_len;
- memcpy(sample->insn, ptq->insn, INTEL_PT_INSN_BUF_SZ);
- event->sample.header.type = PERF_RECORD_SAMPLE;
event->sample.header.misc = sample->cpumode;
- event->sample.header.size = sizeof(struct perf_event_header);
}
static int intel_pt_inject_event(union perf_event *event,