[PATCH 10/44] perf list: Output tool events

Arnaldo Carvalho de Melo
2019-04-02T16:06:38Z

From: Andi Kleen <ak@linux.intel.com>

Add support in 'perf list' to output tool internal events, currently
only 'duration_time'.

Committer testing:

$ perf list dur*

List of pre-defined events (to be used in -e):

duration_time [Tool event]

Metric Groups:

$ perf list sw

List of pre-defined events (to be used in -e):

alignment-faults [Software event]
bpf-output [Software event]
context-switches OR cs [Software event]
cpu-clock [Software event]
cpu-migrations OR migrations [Software event]
dummy [Software event]
emulation-faults [Software event]
major-faults [Software event]
minor-faults [Software event]
page-faults OR faults [Software event]
task-clock [Software event]

duration_time [Tool event]

$ perf list | grep duration
duration_time [Tool event]
[L1D miss outstandings duration in cycles]
page walk duration are excluded in Skylake]
load. EPT page walk duration are excluded in Skylake]
page walk duration are excluded in Skylake]
store. EPT page walk duration are excluded in Skylake]
(instruction fetch) request. EPT page walk duration are excluded in
instruction fetch request. EPT page walk duration are excluded in
$

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Link: http://lkml.kernel.org/r/20190326221823.11518-5-andi@firstfloor.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/builtin-list.c | 6 ++++--
tools/perf/util/parse-events.c | 20 ++++++++++++++++++++
tools/perf/util/parse-events.h | 1 +
3 files changed, 25 insertions(+), 2 deletions(-)

diff --git a/tools/perf/builtin-list.c b/tools/perf/builtin-list.c
index a8394b4f1167..e0312a1c4792 100644
--- a/tools/perf/builtin-list.c
+++ b/tools/perf/builtin-list.c
@@ -70,10 +70,11 @@ int cmd_list(int argc, const char **argv)
print_symbol_events(NULL, PERF_TYPE_HARDWARE,
event_symbols_hw, PERF_COUNT_HW_MAX, raw_dump);
else if (strcmp(argv[i], "sw") == 0 ||
- strcmp(argv[i], "software") == 0)
+ strcmp(argv[i], "software") == 0) {
print_symbol_events(NULL, PERF_TYPE_SOFTWARE,
event_symbols_sw, PERF_COUNT_SW_MAX, raw_dump);
- else if (strcmp(argv[i], "cache") == 0 ||
+ print_tool_events(NULL, raw_dump);
+ } else if (strcmp(argv[i], "cache") == 0 ||
strcmp(argv[i], "hwcache") == 0)
print_hwcache_events(NULL, raw_dump);
else if (strcmp(argv[i], "pmu") == 0)
@@ -113,6 +114,7 @@ int cmd_list(int argc, const char **argv)
event_symbols_hw, PERF_COUNT_HW_MAX, raw_dump);
print_symbol_events(s, PERF_TYPE_SOFTWARE,
event_symbols_sw, PERF_COUNT_SW_MAX, raw_dump);
+ print_tool_events(s, raw_dump);
print_hwcache_events(s, raw_dump);
print_pmu_events(s, raw_dump, !desc_flag,
long_desc_flag,
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 98c0fadaedb9..4432bfe039fd 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -2457,6 +2457,25 @@ int print_hwcache_events(const char *event_glob, bool name_only)
return evt_num;
}

+static void print_tool_event(const char *name, const char *event_glob,
+ bool name_only)
+{
+ if (event_glob && !strglobmatch(name, event_glob))
+ return;
+ if (name_only)
+ printf("%s ", name);
+ else
+ printf(" %-50s [%s]\n", name, "Tool event");
+
+}
+
+void print_tool_events(const char *event_glob, bool name_only)
+{
+ print_tool_event("duration_time", event_glob, name_only);
+ if (pager_in_use())
+ printf("\n");
+}
+
void print_symbol_events(const char *event_glob, unsigned type,
struct event_symbol *syms, unsigned max,
bool name_only)
@@ -2540,6 +2559,7 @@ void print_events(const char *event_glob, bool name_only, bool quiet_flag,

print_symbol_events(event_glob, PERF_TYPE_SOFTWARE,
event_symbols_sw, PERF_COUNT_SW_MAX, name_only);
+ print_tool_events(event_glob, name_only);

print_hwcache_events(event_glob, name_only);

diff --git a/tools/perf/util/parse-events.h b/tools/perf/util/parse-events.h
index 0c1f5b98f636..a052cd6ac63e 100644
--- a/tools/perf/util/parse-events.h
+++ b/tools/perf/util/parse-events.h
@@ -204,6 +204,7 @@ extern struct event_symbol event_symbols_sw[];
void print_symbol_events(const char *event_glob, unsigned type,
struct event_symbol *syms, unsigned max,
bool name_only);
+void print_tool_events(const char *event_glob, bool name_only);
void print_tracepoint_events(const char *subsys_glob, const char *event_glob,
bool name_only);
int print_hwcache_events(const char *event_glob, bool name_only);
--
2.20.1