[PATCH v10 21/25] perf tools: add support for the SPF perf event
From: Laurent Dufour <hidden>
Date: 2018-04-17 14:38:44
Also in:
linux-mm, lkml
Subsystem:
performance events subsystem, the rest · Maintainers:
Peter Zijlstra, Ingo Molnar, Arnaldo Carvalho de Melo, Namhyung Kim, Linus Torvalds
Add support for the new speculative faults event. Acked-by: David Rientjes <rientjes@google.com> Signed-off-by: Laurent Dufour <redacted> --- tools/include/uapi/linux/perf_event.h | 1 + tools/perf/util/evsel.c | 1 + tools/perf/util/parse-events.c | 4 ++++ tools/perf/util/parse-events.l | 1 + tools/perf/util/python.c | 1 + 5 files changed, 8 insertions(+)
diff --git a/tools/include/uapi/linux/perf_event.h b/tools/include/uapi/linux/perf_event.h
index 912b85b52344..9aad243607fe 100644
--- a/tools/include/uapi/linux/perf_event.h
+++ b/tools/include/uapi/linux/perf_event.h@@ -112,6 +112,7 @@ enum perf_sw_ids { PERF_COUNT_SW_EMULATION_FAULTS = 8, PERF_COUNT_SW_DUMMY = 9, PERF_COUNT_SW_BPF_OUTPUT = 10, + PERF_COUNT_SW_SPF = 11, PERF_COUNT_SW_MAX, /* non-ABI */ };
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 1ac8d9236efd..e14a754c3675 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c@@ -429,6 +429,7 @@ const char *perf_evsel__sw_names[PERF_COUNT_SW_MAX] = { "alignment-faults", "emulation-faults", "dummy", + "speculative-faults", }; static const char *__perf_evsel__sw_name(u64 config)
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 2fb0272146d8..54719f566314 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c@@ -140,6 +140,10 @@ struct event_symbol event_symbols_sw[PERF_COUNT_SW_MAX] = { .symbol = "bpf-output", .alias = "", }, + [PERF_COUNT_SW_SPF] = { + .symbol = "speculative-faults", + .alias = "spf", + }, }; #define __PERF_EVENT_FIELD(config, name) \
diff --git a/tools/perf/util/parse-events.l b/tools/perf/util/parse-events.l
index a1a01b1ac8b8..86584d3a3068 100644
--- a/tools/perf/util/parse-events.l
+++ b/tools/perf/util/parse-events.l@@ -308,6 +308,7 @@ emulation-faults { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_EM dummy { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_DUMMY); } duration_time { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_DUMMY); } bpf-output { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_BPF_OUTPUT); } +speculative-faults|spf { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_SPF); } /* * We have to handle the kernel PMU event cycles-ct/cycles-t/mem-loads/mem-stores separately.
diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c
index 863b61478edd..df4f7ff9bdff 100644
--- a/tools/perf/util/python.c
+++ b/tools/perf/util/python.c@@ -1181,6 +1181,7 @@ static struct { PERF_CONST(COUNT_SW_ALIGNMENT_FAULTS), PERF_CONST(COUNT_SW_EMULATION_FAULTS), PERF_CONST(COUNT_SW_DUMMY), + PERF_CONST(COUNT_SW_SPF), PERF_CONST(SAMPLE_IP), PERF_CONST(SAMPLE_TID),
--
2.7.4