perf intel-pt/bts: Do not swap when synthesizing samples

Both 'perf inject' and internal tools consume cpu endian samples, so
there is never a need to do any swapping when synthesizing samples.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/r/1516108492-21401-2-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/perf/util/intel-bts.c b/tools/perf/util/intel-bts.c
index 5325e65f97110d95ea55173045fbac22d239d0f1..7077bebc2fb0dc0c60b2182c803eb136496d53e1 100644 (file)
--- a/tools/perf/util/intel-bts.c
+++ b/tools/perf/util/intel-bts.c
@@ -67,7 +67,6 @@ struct intel_bts {
        u64                             branches_sample_type;
        u64                             branches_id;
        size_t                          branches_event_size;
-       bool                            synth_needs_swap;
        unsigned long                   num_events;
 };
 
@@ -303,8 +302,7 @@ static int intel_bts_synth_branch_sample(struct intel_bts_queue *btsq,
                event.sample.header.size = bts->branches_event_size;
                ret = perf_event__synthesize_sample(&event,
                                                    bts->branches_sample_type,
-                                                   0, &sample,
-                                                   bts->synth_needs_swap);
+                                                   0, &sample, false);
                if (ret)
                        return ret;
        }
@@ -841,8 +839,6 @@ static int intel_bts_synth_events(struct intel_bts *bts,
                                __perf_evsel__sample_size(attr.sample_type);
        }
 
-       bts->synth_needs_swap = evsel->needs_swap;
-
        return 0;
 }
 

diff --git a/tools/perf/util/intel-pt.c b/tools/perf/util/intel-pt.c
index 23f9ba676df0d8b8b3b7bfba0a12304526b733fe..2daf641beb85fbdc987fa57f540b87cad4904ff5 100644 (file)
--- a/tools/perf/util/intel-pt.c
+++ b/tools/perf/util/intel-pt.c
@@ -104,8 +104,6 @@ struct intel_pt {
        u64 pwrx_id;
        u64 cbr_id;
 
-       bool synth_needs_swap;
-
        u64 tsc_bit;
        u64 mtc_bit;
        u64 mtc_freq_bits;
@@ -1101,11 +1099,10 @@ static void intel_pt_prep_b_sample(struct intel_pt *pt,
 }
 
 static int intel_pt_inject_event(union perf_event *event,
-                                struct perf_sample *sample, u64 type,
-                                bool swapped)
+                                struct perf_sample *sample, u64 type)
 {
        event->header.size = perf_event__sample_event_size(sample, type, 0);
-       return perf_event__synthesize_sample(event, type, 0, sample, swapped);
+       return perf_event__synthesize_sample(event, type, 0, sample, false);
 }
 
 static inline int intel_pt_opt_inject(struct intel_pt *pt,
@@ -1115,7 +1112,7 @@ static inline int intel_pt_opt_inject(struct intel_pt *pt,
        if (!pt->synth_opts.inject)
                return 0;
 
-       return intel_pt_inject_event(event, sample, type, pt->synth_needs_swap);
+       return intel_pt_inject_event(event, sample, type);
 }
 
 static int intel_pt_deliver_synth_b_event(struct intel_pt *pt,
@@ -2329,8 +2326,6 @@ static int intel_pt_synth_events(struct intel_pt *pt,
                id += 1;
        }
 
-       pt->synth_needs_swap = evsel->needs_swap;
-
        return 0;
 }