perf auxtrace: Add auxtrace_record__read_finish()

All ->read_finish() implementations are doing the same thing. Add a
helper function so that they can share the same implementation.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Reviewed-by: Leo Yan <leo.yan@linaro.org>
Tested-by: Leo Yan <leo.yan@linaro.org>
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Kim Phillips <kim.phillips@arm.com>
Cc: Wei Li <liwei391@huawei.com>
Link: http://lore.kernel.org/lkml/20200217082300.6301-1-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

2 files changed, 4 insertions, 36 deletions

diff --git a/tools/perf/arch/x86/util/intel-bts.c b/tools/perf/arch/x86/util/intel-bts.c
index 39e363151ad7..26cee1052179 100644
--- a/tools/perf/arch/x86/util/intel-bts.c
+++ b/tools/perf/arch/x86/util/intel-bts.c
@@ -413,23 +413,6 @@ out_err:
 	return err;
 }
 
-static int intel_bts_read_finish(struct auxtrace_record *itr, int idx)
-{
-	struct intel_bts_recording *btsr =
-			container_of(itr, struct intel_bts_recording, itr);
-	struct evsel *evsel;
-
-	evlist__for_each_entry(btsr->evlist, evsel) {
-		if (evsel->core.attr.type == btsr->intel_bts_pmu->type) {
-			if (evsel->disabled)
-				return 0;
-			return perf_evlist__enable_event_idx(btsr->evlist,
-							     evsel, idx);
-		}
-	}
-	return -EINVAL;
-}
-
 struct auxtrace_record *intel_bts_recording_init(int *err)
 {
 	struct perf_pmu *intel_bts_pmu = perf_pmu__find(INTEL_BTS_PMU_NAME);
@@ -450,6 +433,7 @@ struct auxtrace_record *intel_bts_recording_init(int *err)
 	}
 
 	btsr->intel_bts_pmu = intel_bts_pmu;
+	btsr->itr.pmu = intel_bts_pmu;
 	btsr->itr.recording_options = intel_bts_recording_options;
 	btsr->itr.info_priv_size = intel_bts_info_priv_size;
 	btsr->itr.info_fill = intel_bts_info_fill;
@@ -459,7 +443,7 @@ struct auxtrace_record *intel_bts_recording_init(int *err)
 	btsr->itr.find_snapshot = intel_bts_find_snapshot;
 	btsr->itr.parse_snapshot_options = intel_bts_parse_snapshot_options;
 	btsr->itr.reference = intel_bts_reference;
-	btsr->itr.read_finish = intel_bts_read_finish;
+	btsr->itr.read_finish = auxtrace_record__read_finish;
 	btsr->itr.alignment = sizeof(struct branch);
 	return &btsr->itr;
 }
diff --git a/tools/perf/arch/x86/util/intel-pt.c b/tools/perf/arch/x86/util/intel-pt.c
index be07d6886256..7eea4fd7ce58 100644
--- a/tools/perf/arch/x86/util/intel-pt.c
+++ b/tools/perf/arch/x86/util/intel-pt.c
@@ -1166,23 +1166,6 @@ static u64 intel_pt_reference(struct auxtrace_record *itr __maybe_unused)
 	return rdtsc();
 }
 
-static int intel_pt_read_finish(struct auxtrace_record *itr, int idx)
-{
-	struct intel_pt_recording *ptr =
-			container_of(itr, struct intel_pt_recording, itr);
-	struct evsel *evsel;
-
-	evlist__for_each_entry(ptr->evlist, evsel) {
-		if (evsel->core.attr.type == ptr->intel_pt_pmu->type) {
-			if (evsel->disabled)
-				return 0;
-			return perf_evlist__enable_event_idx(ptr->evlist, evsel,
-							     idx);
-		}
-	}
-	return -EINVAL;
-}
-
 struct auxtrace_record *intel_pt_recording_init(int *err)
 {
 	struct perf_pmu *intel_pt_pmu = perf_pmu__find(INTEL_PT_PMU_NAME);
@@ -1203,6 +1186,7 @@ struct auxtrace_record *intel_pt_recording_init(int *err)
 	}
 
 	ptr->intel_pt_pmu = intel_pt_pmu;
+	ptr->itr.pmu = intel_pt_pmu;
 	ptr->itr.recording_options = intel_pt_recording_options;
 	ptr->itr.info_priv_size = intel_pt_info_priv_size;
 	ptr->itr.info_fill = intel_pt_info_fill;
@@ -1212,7 +1196,7 @@ struct auxtrace_record *intel_pt_recording_init(int *err)
 	ptr->itr.find_snapshot = intel_pt_find_snapshot;
 	ptr->itr.parse_snapshot_options = intel_pt_parse_snapshot_options;
 	ptr->itr.reference = intel_pt_reference;
-	ptr->itr.read_finish = intel_pt_read_finish;
+	ptr->itr.read_finish = auxtrace_record__read_finish;
 	/*
 	 * Decoding starts at a PSB packet. Minimum PSB period is 2K so 4K
 	 * should give at least 1 PSB per sample.