* [PATCH] tools/perf: Document perf-stat's --detailed option
@ 2016-03-07 10:41 Borislav Petkov
2016-03-07 14:38 ` Arnaldo Carvalho de Melo
2016-03-08 10:32 ` [tip:perf/core] perf stat: Document " tip-bot for Borislav Petkov
0 siblings, 2 replies; 3+ messages in thread
From: Borislav Petkov @ 2016-03-07 10:41 UTC (permalink / raw)
To: Arnaldo Carvalho de Melo
Cc: LKML, Arnaldo Carvalho de Melo, Davidlohr Bueso, Ingo Molnar,
Jiri Olsa, Mel Gorman, Peter Zijlstra, Steven Rostedt
From: Borislav Petkov <bp@suse.de>
I'm surprised this remained undocumented since at least 2011. And it is
actually a very useful switch, as Steve and I came to realize recently.
Add the text from
2cba3ffb9a9d ("perf stat: Add -d -d and -d -d -d options to show more CPU events")
which added the incrementing aspect to -d.
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Davidlohr Bueso <dbueso@suse.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mel Gorman <mgorman@suse.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Steven Rostedt <rostedt@goodmis.org>
---
tools/perf/Documentation/perf-stat.txt | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/tools/perf/Documentation/perf-stat.txt b/tools/perf/Documentation/perf-stat.txt
index 52ef7a9d50aa..14d9e8ffaff7 100644
--- a/tools/perf/Documentation/perf-stat.txt
+++ b/tools/perf/Documentation/perf-stat.txt
@@ -69,6 +69,14 @@ report::
--scale::
scale/normalize counter values
+-d::
+--detailed::
+ print more detailed statistics, can be specified up to 3 times
+
+ -d: detailed events, L1 and LLC data cache
+ -d -d: more detailed events, dTLB and iTLB events
+ -d -d -d: very detailed events, adding prefetch events
+
-r::
--repeat=<n>::
repeat command and print average + stddev (max: 100). 0 means forever.
--
2.3.5
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH] tools/perf: Document perf-stat's --detailed option
2016-03-07 10:41 [PATCH] tools/perf: Document perf-stat's --detailed option Borislav Petkov
@ 2016-03-07 14:38 ` Arnaldo Carvalho de Melo
2016-03-08 10:32 ` [tip:perf/core] perf stat: Document " tip-bot for Borislav Petkov
1 sibling, 0 replies; 3+ messages in thread
From: Arnaldo Carvalho de Melo @ 2016-03-07 14:38 UTC (permalink / raw)
To: Borislav Petkov
Cc: LKML, Arnaldo Carvalho de Melo, Davidlohr Bueso, Ingo Molnar,
Jiri Olsa, Mel Gorman, Peter Zijlstra, Steven Rostedt
Em Mon, Mar 07, 2016 at 11:41:34AM +0100, Borislav Petkov escreveu:
> From: Borislav Petkov <bp@suse.de>
>
> I'm surprised this remained undocumented since at least 2011. And it is
> actually a very useful switch, as Steve and I came to realize recently.
>
> Add the text from
>
> 2cba3ffb9a9d ("perf stat: Add -d -d and -d -d -d options to show more CPU events")
>
> which added the incrementing aspect to -d.
Thanks, applied.
- Arnaldo
^ permalink raw reply [flat|nested] 3+ messages in thread
* [tip:perf/core] perf stat: Document --detailed option
2016-03-07 10:41 [PATCH] tools/perf: Document perf-stat's --detailed option Borislav Petkov
2016-03-07 14:38 ` Arnaldo Carvalho de Melo
@ 2016-03-08 10:32 ` tip-bot for Borislav Petkov
1 sibling, 0 replies; 3+ messages in thread
From: tip-bot for Borislav Petkov @ 2016-03-08 10:32 UTC (permalink / raw)
To: linux-tip-commits
Cc: hpa, jolsa, a.p.zijlstra, mgorman, bp, acme, namhyung, rostedt,
peterz, dbueso, linux-kernel, alexander.shishkin, tglx, mingo,
dsahern
Commit-ID: f594bae08183fb6b57db55387794ece3e1edf6f6
Gitweb: http://git.kernel.org/tip/f594bae08183fb6b57db55387794ece3e1edf6f6
Author: Borislav Petkov <bp@suse.de>
AuthorDate: Mon, 7 Mar 2016 16:44:44 -0300
Committer: Ingo Molnar <mingo@kernel.org>
CommitDate: Tue, 8 Mar 2016 10:11:18 +0100
perf stat: Document --detailed option
I'm surprised this remained undocumented since at least 2011. And it is
actually a very useful switch, as Steve and I came to realize recently.
Add the text from
2cba3ffb9a9d ("perf stat: Add -d -d and -d -d -d options to show more CPU events")
which added the incrementing aspect to -d.
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Davidlohr Bueso <dbueso@suse.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mel Gorman <mgorman@suse.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Fixes: 2cba3ffb9a9d ("perf stat: Add -d -d and -d -d -d options to show more CPU events")
Link: http://lkml.kernel.org/r/1457347294-32546-1-git-send-email-bp@alien8.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
tools/perf/Documentation/perf-stat.txt | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/tools/perf/Documentation/perf-stat.txt b/tools/perf/Documentation/perf-stat.txt
index 52ef7a9..14d9e8f 100644
--- a/tools/perf/Documentation/perf-stat.txt
+++ b/tools/perf/Documentation/perf-stat.txt
@@ -69,6 +69,14 @@ report::
--scale::
scale/normalize counter values
+-d::
+--detailed::
+ print more detailed statistics, can be specified up to 3 times
+
+ -d: detailed events, L1 and LLC data cache
+ -d -d: more detailed events, dTLB and iTLB events
+ -d -d -d: very detailed events, adding prefetch events
+
-r::
--repeat=<n>::
repeat command and print average + stddev (max: 100). 0 means forever.
^ permalink raw reply related [flat|nested] 3+ messages in thread
end of thread, other threads:[~2016-03-08 10:33 UTC | newest]
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2016-03-07 10:41 [PATCH] tools/perf: Document perf-stat's --detailed option Borislav Petkov
2016-03-07 14:38 ` Arnaldo Carvalho de Melo
2016-03-08 10:32 ` [tip:perf/core] perf stat: Document " tip-bot for Borislav Petkov
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