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perf trace: Reduce #ifdefs for TEP_FIELD_IS_RELATIVE

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Add a helper function that applies the mask to test, or returns false
if libtraceevent is too old or not present.

Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Athira Jajeev <atrajeev@linux.vnet.ibm.com>
Cc: Eelco Chaudron <echaudro@redhat.com>
Cc: German Gomez <german.gomez@arm.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Kim Phillips <kim.phillips@amd.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Sean Christopherson <seanjc@google.com>
Cc: Stephane Eranian <eranian@google.com>
Cc: Yang Jihong <yangjihong1@huawei.com>
Link: https://lore.kernel.org/r/20230111070641.1728726-2-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Ian Rogers
2023-01-10 23:06:40 -08:00
committed by Arnaldo Carvalho de Melo
parent 1784eeaeb3
commit 1634bad320
8 changed files with 23 additions and 21 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
tools/perf/util/scripting-engines/trace-event-python.c
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@@ -994,10 +994,8 @@ static void python_process_tracepoint(struct perf_sample *sample,
offset = val;
len = offset >> 16;
offset &= 0xffff;
#if LIBTRACEEVENT_VERSION >= MAKE_LIBTRACEEVENT_VERSION(1, 5, 0)
if (field->flags & TEP_FIELD_IS_RELATIVE)
if (tep_field_is_relative(field->flags))
offset += field->offset + field->size;
#endif
}
if (field->flags & TEP_FIELD_IS_STRING &&
is_printable_array(data + offset, len)) {