From: Jiri Olsa <jolsa@kernel.org>
To: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: lkml <linux-kernel@vger.kernel.org>,
Ingo Molnar <mingo@kernel.org>,
Namhyung Kim <namhyung@kernel.org>,
David Ahern <dsahern@gmail.com>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Peter Zijlstra <a.p.zijlstra@chello.nl>
Subject: [PATCH 03/17] perf script: Add --show-round-event to display PERF_RECORD_FINISHED_ROUND
Date: Tue, 6 Feb 2018 19:17:59 +0100 [thread overview]
Message-ID: <20180206181813.10943-4-jolsa@kernel.org> (raw)
In-Reply-To: <20180206181813.10943-1-jolsa@kernel.org>
Adding --show-round-event to display PERF_RECORD_FINISHED_ROUND
events like:
# perf script --show-round-events 2>/dev/null
yes 8591 [002] 124177.397597: 18 cpu/mem-stores/P: ff...
yes 8591 [002] 124177.397615: 1 cpu/mem-loads,ldlat=30/P: ff...
PERF_RECORD_FINISHED_ROUND
perf 10380 [001] 124177.397622: 6 cpu/mem-loads,ldlat=30/P: ff...
PERF_RECORD_FINISHED_ROUND
swapper 0 [000] 124177.400518: 88 cpu/mem-stores/P: ff...
swapper 0 [000] 124177.400521: 88 cpu/mem-stores/P: ff...
Link: http://lkml.kernel.org/n/tip-b89ggszz9x26hm7ztor29b0s@git.kernel.org
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
---
tools/perf/Documentation/perf-script.txt | 3 +++
tools/perf/builtin-script.c | 17 +++++++++++++++++
2 files changed, 20 insertions(+)
diff --git a/tools/perf/Documentation/perf-script.txt b/tools/perf/Documentation/perf-script.txt
index 7730c1d2b5d3..36ec0257f8d3 100644
--- a/tools/perf/Documentation/perf-script.txt
+++ b/tools/perf/Documentation/perf-script.txt
@@ -303,6 +303,9 @@ OPTIONS
--show-lost-events
Display lost events i.e. events of type PERF_RECORD_LOST.
+--show-round-events
+ Display finished round events i.e. events of type PERF_RECORD_FINISHED_ROUND.
+
--demangle::
Demangle symbol names to human readable form. It's enabled by default,
disable with --no-demangle.
diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index ab19a6ee4093..cce926aeb0c0 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -1489,6 +1489,7 @@ struct perf_script {
bool show_switch_events;
bool show_namespace_events;
bool show_lost_events;
+ bool show_round_events;
bool allocated;
bool per_event_dump;
struct cpu_map *cpus;
@@ -2104,6 +2105,16 @@ process_lost_event(struct perf_tool *tool,
return 0;
}
+static int
+process_finished_round_event(struct perf_tool *tool __maybe_unused,
+ union perf_event *event,
+ struct ordered_events *oe __maybe_unused)
+
+{
+ perf_event__fprintf(event, stdout);
+ return 0;
+}
+
static void sig_handler(int sig __maybe_unused)
{
session_done = 1;
@@ -2200,6 +2211,10 @@ static int __cmd_script(struct perf_script *script)
script->tool.namespaces = process_namespaces_event;
if (script->show_lost_events)
script->tool.lost = process_lost_event;
+ if (script->show_round_events) {
+ script->tool.ordered_events = false;
+ script->tool.finished_round = process_finished_round_event;
+ }
if (perf_script__setup_per_event_dump(script)) {
pr_err("Couldn't create the per event dump files\n");
@@ -3139,6 +3154,8 @@ int cmd_script(int argc, const char **argv)
"Show namespace events (if recorded)"),
OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events,
"Show lost events (if recorded)"),
+ OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events,
+ "Show round events (if recorded)"),
OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump,
"Dump trace output to files named by the monitored events"),
OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
--
2.13.6
next prev parent reply other threads:[~2018-02-06 18:24 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-06 18:17 [PATCH 00/17] perf tools: Assorted fixes Jiri Olsa
2018-02-06 18:17 ` [PATCH 01/17] perf report: Ask ordered events for --tasks option Jiri Olsa
2018-02-06 18:48 ` Arnaldo Carvalho de Melo
2018-02-06 18:59 ` Jiri Olsa
2018-02-06 19:20 ` Arnaldo Carvalho de Melo
2018-02-17 11:22 ` [tip:perf/core] perf report: Ask for " tip-bot for Jiri Olsa
2018-02-06 18:17 ` [PATCH 02/17] perf record: Put new line after target override warning Jiri Olsa
2018-02-17 11:19 ` [tip:perf/core] " tip-bot for Jiri Olsa
2018-02-06 18:17 ` Jiri Olsa [this message]
2018-02-17 11:19 ` [tip:perf/core] perf script: Add --show-round-event to display PERF_RECORD_FINISHED_ROUND tip-bot for Jiri Olsa
2018-02-06 18:18 ` [PATCH 04/17] tools lib api fs: Add filename__read_xll function Jiri Olsa
2018-02-17 11:20 ` [tip:perf/core] " tip-bot for Jiri Olsa
2018-02-06 18:18 ` [PATCH 05/17] tools lib api fs: Add sysfs__read_xll function Jiri Olsa
2018-02-06 19:08 ` Arnaldo Carvalho de Melo
2018-02-17 11:21 ` [tip:perf/core] " tip-bot for Jiri Olsa
2018-02-06 18:18 ` [PATCH 06/17] tools lib symbol: Skip non-address kallsyms line Jiri Olsa
2018-02-06 19:06 ` Arnaldo Carvalho de Melo
2018-02-06 19:07 ` Arnaldo Carvalho de Melo
2018-02-06 18:18 ` [PATCH 07/17] perf tools: Free root_dir in machine__init error path Jiri Olsa
2018-02-06 19:09 ` Arnaldo Carvalho de Melo
2018-02-06 18:18 ` [PATCH 08/17] perf tools: Move kernel mmap name into struct machine Jiri Olsa
2018-02-06 19:10 ` Arnaldo Carvalho de Melo
2018-02-06 18:18 ` [PATCH 09/17] perf tools: Don't search for active kernel start in __machine__create_kernel_maps Jiri Olsa
2018-02-06 18:18 ` [PATCH 10/17] perf tools: Generalize machine__set_kernel_mmap function Jiri Olsa
2018-02-06 18:18 ` [PATCH 11/17] perf tools: Use machine__set_kernel_mmap instead of map_groups__fixup_end Jiri Olsa
2018-02-06 18:18 ` [PATCH 12/17] perf tools: Rename __map_groups__fixup_end to map_groups__fixup_end Jiri Olsa
2018-02-06 18:18 ` [PATCH 13/17] perf tools: Remove machine__load_kallsyms function Jiri Olsa
2018-02-06 18:18 ` [PATCH 14/17] perf tools: Do not create kernel maps in sample__resolve Jiri Olsa
2018-02-06 18:18 ` [PATCH 15/17] perf tools: Check if we read regular file in dso__load Jiri Olsa
2018-02-06 18:18 ` [PATCH 16/17] perf tests: Fix dwarf unwind for stripped binaries Jiri Olsa
2018-02-06 19:15 ` Arnaldo Carvalho de Melo
2018-02-17 11:21 ` [tip:perf/core] " tip-bot for Jiri Olsa
2018-02-06 18:18 ` [PATCH 17/17] perf tools: Fix comment for sort__* compare functions Jiri Olsa
2018-02-06 19:16 ` Arnaldo Carvalho de Melo
2018-02-17 11:22 ` [tip:perf/core] " tip-bot for Jiri Olsa
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