diff options
| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2022-12-08 19:28:58 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2022-12-14 11:16:12 -0300 |
| commit | b9a49f8cb02f08592054b953adcacecd59b7ae4b (patch) | |
| tree | fbc413e12a489d6c4ffe1bca19fc79be62b1054c /tools/perf/util/evsel.c | |
| parent | 4171925aa9f3f7bf57b100238f148b50c45c3b1b (diff) | |
perf tools: Check if libtracevent has TEP_FIELD_IS_RELATIVE
Some distros have older versions of libtraceevent where
TEP_FIELD_IS_RELATIVE and its associated semantics are not present, so
we need to check if the version has it, it was introduced in
libtraceevent 1.5.0.
Reported-by: Athira Jajeev <atrajeev@linux.vnet.ibm.com>
Tested-by: Athira Jajeev <atrajeev@linux.vnet.ibm.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
Cc: Stephane Eranian <eranian@google.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/evsel.c')
| -rw-r--r-- | tools/perf/util/evsel.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index ca911856c4b1..77b2cf5a214e 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -2784,8 +2784,10 @@ void *evsel__rawptr(struct evsel *evsel, struct perf_sample *sample, const char if (field->flags & TEP_FIELD_IS_DYNAMIC) { offset = *(int *)(sample->raw_data + field->offset); offset &= 0xffff; +#ifdef HAVE_LIBTRACEEVENT_TEP_FIELD_IS_RELATIVE if (field->flags & TEP_FIELD_IS_RELATIVE) offset += field->offset + field->size; +#endif } return sample->raw_data + offset; |