diff options
| author | Adrian Hunter <adrian.hunter@intel.com> | 2022-01-24 09:41:49 +0100 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2022-02-15 21:11:16 +0100 |
| commit | f2be829e72f90e6d83923398a861f0aaa74952ee (patch) | |
| tree | bbac00bc21ecc53e8bfea0204186a72736aeccce /tools/perf/util/intel-pt.c | |
| parent | perf auxtrace: Add itrace option "I" (diff) | |
| download | linux-f2be829e72f90e6d83923398a861f0aaa74952ee.tar.xz linux-f2be829e72f90e6d83923398a861f0aaa74952ee.zip | |
perf intel-pt: Record Event Trace capability flag
The change to the MODE.Exec packet means processing must distinguish
between the old and new cases. Record the Event Trace capability flag to
make that possible.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: https://lore.kernel.org/r/20220124084201.2699795-14-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/intel-pt.c')
| -rw-r--r-- | tools/perf/util/intel-pt.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/tools/perf/util/intel-pt.c b/tools/perf/util/intel-pt.c index f3e5c2dfee25..23cb272e3d03 100644 --- a/tools/perf/util/intel-pt.c +++ b/tools/perf/util/intel-pt.c @@ -75,6 +75,7 @@ struct intel_pt { bool mispred_all; bool use_thread_stack; bool callstack; + bool cap_event_trace; unsigned int br_stack_sz; unsigned int br_stack_sz_plus; int have_sched_switch; @@ -3795,7 +3796,7 @@ int intel_pt_process_auxtrace_info(union perf_event *event, } info = &auxtrace_info->priv[INTEL_PT_FILTER_STR_LEN] + 1; - info_end = (void *)info + auxtrace_info->header.size; + info_end = (void *)auxtrace_info + auxtrace_info->header.size; if (intel_pt_has(auxtrace_info, INTEL_PT_FILTER_STR_LEN)) { size_t len; @@ -3834,6 +3835,13 @@ int intel_pt_process_auxtrace_info(union perf_event *event, intel_pt_print_info_str("Filter string", pt->filter); } + if ((void *)info < info_end) { + pt->cap_event_trace = *info++; + if (dump_trace) + fprintf(stdout, " Cap Event Trace %d\n", + pt->cap_event_trace); + } + pt->timeless_decoding = intel_pt_timeless_decoding(pt); if (pt->timeless_decoding && !pt->tc.time_mult) pt->tc.time_mult = 1; |