Messages in this thread Patch in this message | | | From | Adrian Hunter <> | Subject | [PATCH 1/2] perf session: Add ability to 'skip' a non-piped event stream | Date | Wed, 23 Jul 2014 22:19:57 +0300 |
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A piped event stream may contain arbitary sized tracepoint information following a PERF_RECORD_HEADER_TRACING_DATA event. The position in the stream has to be 'skipped' to match the start of the next event.
Provide the same ability to a non-piped event stream to allow for Instruction Trace data that may also be in a non-piped event stream.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> --- tools/perf/util/session.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c index 8aa1be1..9d468e6 100644 --- a/tools/perf/util/session.c +++ b/tools/perf/util/session.c @@ -1320,6 +1320,7 @@ int __perf_session__process_events(struct perf_session *session, union perf_event *event; uint32_t size; struct ui_progress prog; + int skip; perf_tool__fill_defaults(tool); @@ -1380,7 +1381,8 @@ more: size = event->header.size; if (size < sizeof(struct perf_event_header) || - perf_session__process_event(session, event, tool, file_pos) < 0) { + (skip = perf_session__process_event(session, event, tool, file_pos)) + < 0) { pr_err("%#" PRIx64 " [%#x]: failed to process type: %d\n", file_offset + head, event->header.size, event->header.type); @@ -1388,6 +1390,9 @@ more: goto out_err; } + if (skip) + size += skip; + head += size; file_pos += size; -- 1.8.3.2
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