From 46bc29b970f0011a9099077f1db8f3540aa829fe Mon Sep 17 00:00:00 2001 From: Adrian Hunter Date: Tue, 8 Mar 2016 10:38:44 +0200 Subject: perf tools: Add time conversion event Intel PT uses the time members from the perf_event_mmap_page to convert between TSC and perf time. Due to a lack of foresight when Intel PT was implemented, those time members were recorded in the (implementation dependent) AUXTRACE_INFO event, the structure of which is generally inaccessible outside of the Intel PT decoder. However now the conversion between TSC and perf time is needed when processing a jitdump file when Intel PT has been used for tracing. So add a user event to record the time members. 'perf record' will synthesize the event if the information is available. And session processing will put a copy of the event on the session so that tools like 'perf inject' can easily access it. Signed-off-by: Adrian Hunter Cc: Jiri Olsa Cc: Stephane Eranian Link: http://lkml.kernel.org/r/1457426324-30158-1-git-send-email-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/event.c | 1 + 1 file changed, 1 insertion(+) (limited to 'tools/perf/util/event.c') diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c index dad55d04ffdd..b68959037688 100644 --- a/tools/perf/util/event.c +++ b/tools/perf/util/event.c @@ -45,6 +45,7 @@ static const char *perf_event__names[] = { [PERF_RECORD_STAT] = "STAT", [PERF_RECORD_STAT_ROUND] = "STAT_ROUND", [PERF_RECORD_EVENT_UPDATE] = "EVENT_UPDATE", + [PERF_RECORD_TIME_CONV] = "TIME_CONV", }; const char *perf_event__name(unsigned int id) -- cgit v1.2.3