From: Fam Zheng <famz@redhat.com>
To: Thomas Huth <thuth@redhat.com>
Cc: "Laurent Vivier" <lvivier@redhat.com>,
"Peter Maydell" <peter.maydell@linaro.org>,
"Michael S. Tsirkin" <mst@redhat.com>,
"Cornelia Huck" <cohuck@redhat.com>,
"Richard Henderson" <richard.henderson@linaro.org>,
"QEMU Developers" <qemu-devel@nongnu.org>,
"Philippe Mathieu-Daudé" <f4bug@amsat.org>,
"Cleber Rosa" <crosa@redhat.com>,
"Paolo Bonzini" <pbonzini@redhat.com>,
"Lukáš Doktor" <ldoktor@redhat.com>,
"Alex Bennée" <alex.bennee@linaro.org>,
"David Gibson" <david@gibson.dropbear.id.au>
Subject: Re: [Qemu-devel] make check speed
Date: Wed, 23 Aug 2017 17:09:21 +0800 [thread overview]
Message-ID: <20170823090921.GB16292@lemon> (raw)
In-Reply-To: <20170823085219.GA16292@lemon>
On Wed, 08/23 16:52, Fam Zheng wrote:
> On Wed, 08/23 10:35, Thomas Huth wrote:
> > Is it safe nowadays to run "make check -j4" for example? Last time I
> > tried (maybe 1 or 2 years ago), there were still issues since some tests
> > were using hard-coded temporary file names, so the parallel tests were
> > disturbing each other, for example...
>
> We really should fix them.
>
> Last year I wanted to get some speed up in patchew's "make check" jobs so I
> tried this:
>
> https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg07713.html
>
> On my laptop it can save 50% time as shown in the commit message, unfortunately
> the patch didn't get enough traction, and I've since then rarely used -j in
> "make check" command lines (what?!).
Spoke too soon, I forgot my git-publish hook has been doing "make check -j8" on
all patches I post, and it seems to work well.
Fam
next prev parent reply other threads:[~2017-08-23 9:09 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-16 8:26 [Qemu-devel] [PATCH for-2.10] boot-serial-test: prefer tcg accelerator Cornelia Huck
2017-08-16 8:28 ` Laurent Vivier
2017-08-16 10:25 ` Thomas Huth
2017-08-16 10:51 ` Paolo Bonzini
2017-08-16 11:18 ` Peter Maydell
2017-08-16 11:46 ` Cornelia Huck
2017-08-22 1:09 ` David Gibson
2017-08-22 5:40 ` Thomas Huth
2017-08-22 8:47 ` Peter Maydell
2017-08-22 8:49 ` Laurent Vivier
2017-08-22 9:35 ` Peter Maydell
2017-08-22 11:20 ` David Gibson
2017-08-22 11:48 ` Cornelia Huck
2017-08-23 0:29 ` David Gibson
2017-08-23 7:16 ` Cornelia Huck
2017-08-23 7:49 ` [Qemu-devel] make check speed (was: Re: [PATCH for-2.10] boot-serial-test: prefer tcg accelerator) Thomas Huth
2017-08-23 8:01 ` [Qemu-devel] make check speed Paolo Bonzini
2017-08-23 8:35 ` Thomas Huth
2017-08-23 8:52 ` Fam Zheng
2017-08-23 9:09 ` Fam Zheng [this message]
2017-08-23 9:33 ` Paolo Bonzini
2017-08-24 3:01 ` David Gibson
2017-08-23 11:51 ` Lukáš Doktor
2017-08-23 12:01 ` Thomas Huth
2017-08-23 12:13 ` Lukáš Doktor
2017-08-24 13:52 ` Cleber Rosa
2017-08-23 12:35 ` Thomas Huth
2017-08-23 12:52 ` Lukáš Doktor
2017-08-23 12:20 ` Cornelia Huck
2017-08-24 5:27 ` Thomas Huth
2017-08-30 8:59 ` Cornelia Huck
2017-08-30 9:13 ` Thomas Huth
2017-08-30 11:52 ` Markus Armbruster
2017-08-30 13:56 ` Thomas Huth
2017-08-30 14:19 ` Markus Armbruster
2017-08-29 16:34 ` Thomas Huth
2017-08-29 17:13 ` Thomas Huth
2017-08-16 14:03 ` [Qemu-devel] [PATCH for-2.10] boot-serial-test: prefer tcg accelerator Richard Henderson
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