From: Jin Yao <yao.jin@linux.intel.com>
To: acme@kernel.org, jolsa@kernel.org, peterz@infradead.org,
mingo@redhat.com, alexander.shishkin@linux.intel.com
Cc: Linux-kernel@vger.kernel.org, ak@linux.intel.com,
kan.liang@intel.com, yao.jin@intel.com,
Jin Yao <yao.jin@linux.intel.com>
Subject: [PATCH v3 7/7] perf diff: Documentation -c cycles option
Date: Mon, 17 Jun 2019 20:50:57 +0800 [thread overview]
Message-ID: <1560775857-22355-8-git-send-email-yao.jin@linux.intel.com> (raw)
In-Reply-To: <1560775857-22355-1-git-send-email-yao.jin@linux.intel.com>
Documentation the new computation selection 'cycles'.
Signed-off-by: Jin Yao <yao.jin@linux.intel.com>
---
tools/perf/Documentation/perf-diff.txt | 14 +++++++++++---
1 file changed, 11 insertions(+), 3 deletions(-)
diff --git a/tools/perf/Documentation/perf-diff.txt b/tools/perf/Documentation/perf-diff.txt
index facd91e..73903d2 100644
--- a/tools/perf/Documentation/perf-diff.txt
+++ b/tools/perf/Documentation/perf-diff.txt
@@ -90,9 +90,10 @@ OPTIONS
-c::
--compute::
- Differential computation selection - delta, ratio, wdiff, delta-abs
- (default is delta-abs). Default can be changed using diff.compute
- config option. See COMPARISON METHODS section for more info.
+ Differential computation selection - delta, ratio, wdiff, cycles,
+ delta-abs (default is delta-abs). Default can be changed using
+ diff.compute config option. See COMPARISON METHODS section for
+ more info.
-p::
--period::
@@ -280,6 +281,13 @@ If specified the 'Weighted diff' column is displayed with value 'd' computed as:
- WEIGHT-A being the weight of the data file
- WEIGHT-B being the weight of the baseline data file
+cycles
+~~~~~~
+If specified the 'Block cycles diff [start:end]' column is displayed.
+It displays the cycles difference of same program basic block amongst
+two perf.data. The program basic block is the code block between
+two branches in a function (indicated by [start:end]).
+
SEE ALSO
--------
linkperf:perf-record[1], linkperf:perf-report[1]
--
2.7.4
prev parent reply other threads:[~2019-06-17 5:01 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-17 12:50 [PATCH v3 0/7] perf diff: diff cycles at basic block level Jin Yao
2019-06-17 12:50 ` [PATCH v3 1/7] perf util: Create block_info structure Jin Yao
2019-06-17 12:50 ` [PATCH v3 2/7] perf util: Add block_info in hist_entry Jin Yao
2019-06-17 12:50 ` [PATCH v3 3/7] perf diff: Check if all data files with branch stacks Jin Yao
2019-06-17 12:50 ` [PATCH v3 4/7] perf diff: Use hists to manage basic blocks per symbol Jin Yao
2019-06-17 12:50 ` [PATCH v3 5/7] perf diff: Link same basic blocks among different data Jin Yao
2019-06-17 12:50 ` [PATCH v3 6/7] perf diff: Print the basic block cycles diff Jin Yao
2019-06-17 12:50 ` Jin Yao [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1560775857-22355-8-git-send-email-yao.jin@linux.intel.com \
--to=yao.jin@linux.intel.com \
--cc=Linux-kernel@vger.kernel.org \
--cc=acme@kernel.org \
--cc=ak@linux.intel.com \
--cc=alexander.shishkin@linux.intel.com \
--cc=jolsa@kernel.org \
--cc=kan.liang@intel.com \
--cc=mingo@redhat.com \
--cc=peterz@infradead.org \
--cc=yao.jin@intel.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).