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-rw-r--r--tools/perf/util/event.c52
1 files changed, 51 insertions, 1 deletions
diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c
index d0281bdfa582..1398c83d896d 100644
--- a/tools/perf/util/event.c
+++ b/tools/perf/util/event.c
@@ -603,7 +603,14 @@ int perf_event__synthesize_kernel_mmap(struct perf_tool *tool,
size_t perf_event__fprintf_comm(union perf_event *event, FILE *fp)
{
- return fprintf(fp, ": %s:%d\n", event->comm.comm, event->comm.tid);
+ const char *s;
+
+ if (event->header.misc & PERF_RECORD_MISC_COMM_EXEC)
+ s = " exec";
+ else
+ s = "";
+
+ return fprintf(fp, "%s: %s:%d\n", s, event->comm.comm, event->comm.tid);
}
int perf_event__process_comm(struct perf_tool *tool __maybe_unused,
@@ -781,6 +788,7 @@ try_again:
cpumode == PERF_RECORD_MISC_USER &&
machine && mg != &machine->kmaps) {
mg = &machine->kmaps;
+ load_map = true;
goto try_again;
}
} else {
@@ -866,3 +874,45 @@ int perf_event__preprocess_sample(const union perf_event *event,
return 0;
}
+
+bool is_bts_event(struct perf_event_attr *attr)
+{
+ return attr->type == PERF_TYPE_HARDWARE &&
+ (attr->config & PERF_COUNT_HW_BRANCH_INSTRUCTIONS) &&
+ attr->sample_period == 1;
+}
+
+bool sample_addr_correlates_sym(struct perf_event_attr *attr)
+{
+ if (attr->type == PERF_TYPE_SOFTWARE &&
+ (attr->config == PERF_COUNT_SW_PAGE_FAULTS ||
+ attr->config == PERF_COUNT_SW_PAGE_FAULTS_MIN ||
+ attr->config == PERF_COUNT_SW_PAGE_FAULTS_MAJ))
+ return true;
+
+ if (is_bts_event(attr))
+ return true;
+
+ return false;
+}
+
+void perf_event__preprocess_sample_addr(union perf_event *event,
+ struct perf_sample *sample,
+ struct machine *machine,
+ struct thread *thread,
+ struct addr_location *al)
+{
+ u8 cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK;
+
+ thread__find_addr_map(thread, machine, cpumode, MAP__FUNCTION,
+ sample->addr, al);
+ if (!al->map)
+ thread__find_addr_map(thread, machine, cpumode, MAP__VARIABLE,
+ sample->addr, al);
+
+ al->cpu = sample->cpu;
+ al->sym = NULL;
+
+ if (al->map)
+ al->sym = map__find_symbol(al->map, al->addr, NULL);
+}