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authorAdrian Hunter <adrian.hunter@intel.com>2016-03-08 11:38:44 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2016-03-31 16:52:24 +0300
commit46bc29b970f0011a9099077f1db8f3540aa829fe (patch)
tree938c97e15993470419809aa90273f7311e2180d6 /tools/perf/builtin-inject.c
parent39878d492c049796202b70dc0ef14449cafa3cb4 (diff)
downloadlinux-46bc29b970f0011a9099077f1db8f3540aa829fe.tar.xz
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 <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/r/1457426324-30158-1-git-send-email-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/builtin-inject.c')
-rw-r--r--tools/perf/builtin-inject.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/perf/builtin-inject.c b/tools/perf/builtin-inject.c
index d1a2d104f2bc..e5afa8fe1bf1 100644
--- a/tools/perf/builtin-inject.c
+++ b/tools/perf/builtin-inject.c
@@ -748,6 +748,7 @@ int cmd_inject(int argc, const char **argv, const char *prefix __maybe_unused)
.auxtrace_info = perf_event__repipe_op2_synth,
.auxtrace = perf_event__repipe_auxtrace,
.auxtrace_error = perf_event__repipe_op2_synth,
+ .time_conv = perf_event__repipe_op2_synth,
.finished_round = perf_event__repipe_oe_synth,
.build_id = perf_event__repipe_op2_synth,
.id_index = perf_event__repipe_op2_synth,