[PATCH v4 8/9] perf c2c: Support AUX trace
From: Leo Yan <hidden>
Date: 2020-11-06 09:50:09
Also in:
lkml
Subsystem:
performance events subsystem, the rest · Maintainers:
Peter Zijlstra, Ingo Molnar, Arnaldo Carvalho de Melo, Namhyung Kim, Linus Torvalds
This patch adds the AUX callbacks in session structure, so support AUX trace for "perf c2c" tool; make itrace memory event as default for "perf c2c", this tells the AUX trace decoder to synthesize samples and can be used for statistics. Signed-off-by: Leo Yan <redacted> --- tools/perf/builtin-c2c.c | 12 ++++++++++++ 1 file changed, 12 insertions(+)
diff --git a/tools/perf/builtin-c2c.c b/tools/perf/builtin-c2c.c
index 98ae33eac6cc..c5babeaa3b38 100644
--- a/tools/perf/builtin-c2c.c
+++ b/tools/perf/builtin-c2c.c@@ -369,6 +369,10 @@ static struct perf_c2c c2c = { .exit = perf_event__process_exit, .fork = perf_event__process_fork, .lost = perf_event__process_lost, + .attr = perf_event__process_attr, + .auxtrace_info = perf_event__process_auxtrace_info, + .auxtrace = perf_event__process_auxtrace, + .auxtrace_error = perf_event__process_auxtrace_error, .ordered_events = true, .ordering_requires_timestamps = true, },
@@ -2678,6 +2682,12 @@ static int setup_coalesce(const char *coalesce, bool no_source) static int perf_c2c__report(int argc, const char **argv) { + struct itrace_synth_opts itrace_synth_opts = { + .set = true, + .mem = true, /* Only enable memory event */ + .default_no_sample = true, + }; + struct perf_session *session; struct ui_progress prog; struct perf_data data = {
@@ -2757,6 +2767,8 @@ static int perf_c2c__report(int argc, const char **argv) goto out; } + session->itrace_synth_opts = &itrace_synth_opts; + err = setup_nodes(session); if (err) { pr_err("Failed setup nodes\n");
--
2.17.1
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