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From: Ingo Molnar <mingo@kernel.org>
To: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Arnaldo Carvalho de Melo <acme@infradead.org>,
	linux-kernel@vger.kernel.org, Andrew Vagin <avagin@openvz.org>,
	Borislav Petkov <bp@amd64.org>,
	David Howells <dhowells@redhat.com>,
	Frederic Weisbecker <fweisbec@gmail.com>,
	Jiri Olsa <jolsa@redhat.com>, Namhyung Kim <namhyung@kernel.org>,
	Paul Mackerras <paulus@samba.org>,
	Stephane Eranian <eranian@gmail.com>,
	Steven Rostedt <rostedt@goodmis.org>
Subject: Re: [GIT PULL 0/9] perf/core improvements and fixes
Date: Tue, 30 Oct 2012 10:14:40 +0100	[thread overview]
Message-ID: <20121030091440.GA10272@gmail.com> (raw)
In-Reply-To: <1351585291.4047.34.camel@twins>


* Peter Zijlstra <a.p.zijlstra@chello.nl> wrote:

> On Tue, 2012-10-30 at 09:18 +0100, Ingo Molnar wrote:
> > > > The optimal way, I guess, would be to have some cache file 
> > > > with the results of such feature tests, that would be created 
> > > > and then used till the build fails using its findings, which 
> > > > would trigger a new feature check round, followed by an 
> > > > automatic rebuild. 

I did not write that.

I think making the feature tests parallel would be enough to 
speed it all up - caching brings in a new set of problems. The 
tests are mostly independent and the feature test makefile rules 
could be parallelized like the object file rules.

> autoconf!! ;-)
> 
> /me runs

hey, we build perf much faster than autoconf's 'configure' 
script finishes running ;-)

Thanks,

	Ingo

  reply	other threads:[~2012-10-30  9:14 UTC|newest]

Thread overview: 54+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-10-26 14:31 [GIT PULL 0/9] perf/core improvements and fixes Arnaldo Carvalho de Melo
2012-10-26 14:31 ` [PATCH 1/9] tools lib traceevent: Do not generate dependency for system header files Arnaldo Carvalho de Melo
2012-10-26 14:31 ` [PATCH 2/9] perf tools: Cleanup doc related targets Arnaldo Carvalho de Melo
2012-10-26 14:31 ` [PATCH 3/9] perf tools: Convert invocation of MAKE into SUBDIR Arnaldo Carvalho de Melo
2012-10-26 14:31 ` [PATCH 4/9] perf tools: Always show CHK message when doing try-cc Arnaldo Carvalho de Melo
2012-10-26 14:31 ` [PATCH 5/9] perf tools: Fix LIBELF_MMAP checking Arnaldo Carvalho de Melo
2012-10-26 14:31 ` [PATCH 6/9] perf inject: Work with files Arnaldo Carvalho de Melo
2012-10-26 14:31 ` [PATCH 7/9] perf inject: Merge sched_stat_* and sched_switch events Arnaldo Carvalho de Melo
2012-10-26 14:31 ` [PATCH 8/9] perf inject: Mark a dso if it's used Arnaldo Carvalho de Melo
2012-10-26 14:31 ` [PATCH 9/9] perf stat: Add --pre and --post command Arnaldo Carvalho de Melo
2012-10-26 14:54 ` [GIT PULL 0/9] perf/core improvements and fixes Ingo Molnar
2012-10-26 15:06   ` David Ahern
2012-10-26 15:31     ` Namhyung Kim
2012-10-26 15:34       ` Borislav Petkov
2012-10-26 16:31         ` Arnaldo Carvalho de Melo
2012-10-26 17:20           ` Borislav Petkov
2012-10-27  9:16             ` Namhyung Kim
2012-10-27 14:29               ` Arnaldo Carvalho de Melo
2012-10-27 17:12       ` stephane eranian
2012-10-27 13:33     ` 'git describe' is very slow on development trees with lots of commits Ingo Molnar
2012-10-31 17:52       ` Pavel Machek
2012-10-26 17:05   ` [GIT PULL 0/9] perf/core improvements and fixes Arnaldo Carvalho de Melo
2012-10-27 13:19     ` Ingo Molnar
2012-10-30  8:18       ` Ingo Molnar
2012-10-30  8:21         ` Peter Zijlstra
2012-10-30  9:14           ` Ingo Molnar [this message]
2012-10-30  8:46         ` [PATCH] perf tools: Speed up the perf build time by simplifying the perf --version string generation Ingo Molnar
2012-10-30  9:35           ` Arnaldo Carvalho de Melo
2012-10-30  9:43             ` Ingo Molnar
2012-10-30  9:48               ` Ingo Molnar
2012-10-30  9:57                 ` Arnaldo Carvalho de Melo
2012-10-30 10:01                   ` Ingo Molnar
2012-10-30  9:49               ` Arnaldo Carvalho de Melo
2012-11-14  6:32           ` [tip:perf/core] " tip-bot for Ingo Molnar
2012-10-30  8:54         ` [PATCH] perf tools: Further speed up the perf build Ingo Molnar
2012-11-14  6:33           ` [tip:perf/core] " tip-bot for Ingo Molnar
  -- strict thread matches above, loose matches on Subject: below --
2017-04-01  2:10 [GIT PULL 0/9] perf/core improvements and fixes Arnaldo Carvalho de Melo
2017-04-01 10:44 ` Ingo Molnar
2015-12-11 14:22 Arnaldo Carvalho de Melo
2015-12-14  8:32 ` Ingo Molnar
2015-09-23  1:57 Arnaldo Carvalho de Melo
2015-09-23  7:45 ` Ingo Molnar
2015-08-21 16:10 Arnaldo Carvalho de Melo
2015-08-22  6:47 ` Ingo Molnar
2015-08-10 20:56 Arnaldo Carvalho de Melo
2015-08-12 10:18 ` Ingo Molnar
2014-06-19 16:38 Jiri Olsa
2014-06-03 20:36 Jiri Olsa
2014-06-05  8:45 ` Ingo Molnar
2014-05-28 13:20 Jiri Olsa
2012-09-08 20:36 Arnaldo Carvalho de Melo
2012-09-09  8:40 ` Ingo Molnar
2012-01-24 23:07 Arnaldo Carvalho de Melo
2012-01-26 11:16 ` Ingo Molnar

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