[PATCH 16/16] perf tools: Add support for SPF events

From: Laurent Dufour
Date: Tue Aug 08 2017 - 10:36:53 EST


Add support for the new speculative faults events.

Signed-off-by: Laurent Dufour <ldufour@xxxxxxxxxxxxxxxxxx>
---
tools/include/uapi/linux/perf_event.h | 2 ++
tools/perf/util/evsel.c | 2 ++
tools/perf/util/parse-events.c | 8 ++++++++
tools/perf/util/parse-events.l | 2 ++
tools/perf/util/python.c | 2 ++
5 files changed, 16 insertions(+)

diff --git a/tools/include/uapi/linux/perf_event.h b/tools/include/uapi/linux/perf_event.h
index b1c0b187acfe..fbfb03dff334 100644
--- a/tools/include/uapi/linux/perf_event.h
+++ b/tools/include/uapi/linux/perf_event.h
@@ -111,6 +111,8 @@ 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_DONE = 11,
+ PERF_COUNT_SW_SPF_FAILED = 12,

PERF_COUNT_SW_MAX, /* non-ABI */
};
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 413f74df08de..37d55ffd98b1 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -426,6 +426,8 @@ const char *perf_evsel__sw_names[PERF_COUNT_SW_MAX] = {
"alignment-faults",
"emulation-faults",
"dummy",
+ "speculative-faults",
+ "speculative-faults-failed",
};

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 01e779b91c8e..da1f87859366 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -135,6 +135,14 @@ struct event_symbol event_symbols_sw[PERF_COUNT_SW_MAX] = {
.symbol = "bpf-output",
.alias = "",
},
+ [PERF_COUNT_SW_SPF_DONE] = {
+ .symbol = "speculative-faults",
+ .alias = "spf",
+ },
+ [PERF_COUNT_SW_SPF_FAILED] = {
+ .symbol = "speculative-faults-failed",
+ .alias = "spf-failed",
+ },
};

#define __PERF_EVENT_FIELD(config, name) \
diff --git a/tools/perf/util/parse-events.l b/tools/perf/util/parse-events.l
index 660fca05bc93..ca0adbc97683 100644
--- a/tools/perf/util/parse-events.l
+++ b/tools/perf/util/parse-events.l
@@ -274,6 +274,8 @@ alignment-faults { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_AL
emulation-faults { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_EMULATION_FAULTS); }
dummy { 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_DONE); }
+speculative-faults-failed|spf-failed { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_SPF_FAILED); }

/*
* 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 c129e99114ae..b85e70e0da06 100644
--- a/tools/perf/util/python.c
+++ b/tools/perf/util/python.c
@@ -1141,6 +1141,8 @@ static struct {
PERF_CONST(COUNT_SW_ALIGNMENT_FAULTS),
PERF_CONST(COUNT_SW_EMULATION_FAULTS),
PERF_CONST(COUNT_SW_DUMMY),
+ PERF_CONST(COUNT_SW_SPF_DONE),
+ PERF_CONST(COUNT_SW_SPF_FAILED),

PERF_CONST(SAMPLE_IP),
PERF_CONST(SAMPLE_TID),
--
2.7.4