linux-kernel - Re: [PATCH 08/14] perf diff: Change diff command to work over multiple data files

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Thu, 29 Nov 2012 12:53:18 +0100
From:	Jiri Olsa <jolsa@...hat.com>
To:	Namhyung Kim <namhyung@...nel.org>
Cc:	linux-kernel@...r.kernel.org,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Ingo Molnar <mingo@...e.hu>, Paul Mackerras <paulus@...ba.org>,
	Corey Ashford <cjashfor@...ux.vnet.ibm.com>,
	Frederic Weisbecker <fweisbec@...il.com>
Subject: Re: [PATCH 08/14] perf diff: Change diff command to work over
 multiple data files

On Thu, Nov 29, 2012 at 08:37:50PM +0900, Namhyung Kim wrote:
> On Wed, 28 Nov 2012 14:52:43 +0100, Jiri Olsa wrote:
> > Adding diff command the flexibility to specify multiple data
> > files on input. If not input file is given the standard behaviour
> > stands and diff inspects 'perf.data' and 'perf.data.old' files.
> >
> > Also changing the processing and output display for data files.
> >
> > For 'perf diff A B' command:
> >
> >   - the current way is to iterate over B data and display
> >     A (baseline) data (symbol samples) only if found in B
> >
> >   - this patch iterates over A (baseline) data and display
> >     B data (symbol samples) only if found in A
> >
> > For 'perf diff A B C' command, the diff now iterates the
> > A (baseline) data and display B and C data (symbol samples)
> > only if they found in A (baseline)
> >
> > All other standard diff command computation features
> > (delta,ratio,wdiff) stays.
> 
> This is quite a large change and IMHO can be separated into 3 patches at
> least.

you should have seen this patch before ;-)

> 
>  1) change he->pairs from list to array

ok

>  2) introduce diff_data__fmt
>  3) convert to diff_data__fmt

will try ;)

thanks,
jirka
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/