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Date: Wed, 11 Oct 2017 21:10:57 +0200
From: Jiri Olsa <jolsa@...hat.com>
To: Arnaldo Carvalho de Melo <acme@...nel.org>
Cc: Jiri Olsa <jolsa@...nel.org>, lkml <linux-kernel@...r.kernel.org>,
Ingo Molnar <mingo@...nel.org>,
Namhyung Kim <namhyung@...nel.org>,
David Ahern <dsahern@...il.com>,
Peter Zijlstra <a.p.zijlstra@...llo.nl>,
Andi Kleen <andi@...stfloor.org>
Subject: Re: [PATCH 00/35] perf annotate: Use generic annotation line
On Wed, Oct 11, 2017 at 12:27:09PM -0300, Arnaldo Carvalho de Melo wrote:
> Em Wed, Oct 11, 2017 at 05:01:23PM +0200, Jiri Olsa escreveu:
> > hi,
> > I'm working on script profiling support and came up
>
> Can you describe what you mean by "script profiling" and "script
> annotation"?
I have some prototype code that allows to get the
internal script stack to the sample and display
it later on in report:
Samples: 20K of event 'cycles:ppp', Event count (approx.): 10598322780
Overhead Command Script File Symbol ▒
42.29% python3 /usr/lib64/python3.6/site-packages/hawkey/__init__.py [.] union+0xe ◆
17.17% python3 /usr/lib64/python3.6/site-packages/hawkey/__init__.py [.] run+0x0 ▒
16.80% python3 /usr/lib/python3.6/site-packages/dnf/cli/output.py [.] _skipped_packages+0x1e ▒
13.64% python3 N/A [.] 0x00007f9a96e655a2 ▒
1.48% python3 N/A [.] 0x00005584196c4844 ▒
0.71% python3 <frozen importlib._bootstrap> [.] _call_with_frames_removed+0x0 ▒
0.56% python3 <frozen importlib._bootstrap_external> [.] _compile_bytecode+0x0 ▒
0.55% python3 /usr/lib64/python3.6/site-packages/hawkey/__init__.py [.] run+0x0 ▒
0.23% python3 /usr/lib64/python3.6/sre_parse.py [.] _parse+0x288 ▒
0.20% python3 /usr/lib64/python3.6/collections/__init__.py [.] namedtuple+0x174 ▒
0.16% python3 N/A [.] 0x00007f9a89e9bc12 ▒
0.16% python3 <frozen importlib._bootstrap_external> [.] _path_stat+0x0 ▒
and annotate:
Percent│ # parse a simple pattern
│ 471: subpattern = SubPattern(state) ◆
│
│ # precompute constants into local variables
2.00 │ 474: subpatternappend = subpattern.append ▒
│ 475: sourceget = source.get ▒
2.00 │ 476: sourcematch = source.match ▒
│ 477: _len = len ▒
│ 478: _ord = ord ▒
│
│ 480: while True: ▒
│
6.00 │ 482: this = source.next ▒
4.00 │ 483: if this is None: ▒
│ 484: break # end of pattern ▒
2.00 │ 485: if this in "|)": ▒
│ 486: break # end of subpattern ▒
10.00 │ 487: sourceget() ▒
│
4.00 │ 489: if verbose: ▒
│ # skip whitespace and comments
4.00 │ 491: if this in WHITESPACE: ▒
│ 492: continue ▒
│ 493: if this == "#": ▒
│ 494: while True: ▒
2.00 │ 495: this = sourceget() ▒
2.00 │ 64: 496: if this is None or this == "\n": ▒
│ 497: break ▒
│ 498: continue ▒
│
6.00 │ 500: if this[0] == "\\": ▒
2.00 │ 501: code = _escape(source, this, state) ▒
it so far for python.. I plan to post it next week
jirka
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