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Groups > linux.kernel > #1467858
| From | Michal Hocko <mhocko@kernel.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PACTH v2 0/3] Implement /proc/<pid>/totmaps |
| Date | 2016-08-22 19:50 +0200 |
| Message-ID | <s91we-Tx-27@gated-at.bofh.it> (permalink) |
| References | (5 earlier) <s8KYp-7hH-3@gated-at.bofh.it> <s8S9z-3nT-11@gated-at.bofh.it> <s8YeZ-7mP-17@gated-at.bofh.it> <s90Aa-iZ-43@gated-at.bofh.it> <s91cS-Nb-25@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Mon 22-08-16 19:29:36, Michal Hocko wrote:
> On Mon 22-08-16 18:45:54, Michal Hocko wrote:
> [...]
> > I have no idea why those numbers are so different on my laptop
> > yet. It surely looks suspicious. I will try to debug this further
> > tomorrow.
>
> Hmm, so I've tried to use my version of awk on other machine and vice
> versa and it didn't make any difference. So this is independent on the
> awk version it seems. So I've tried to strace /usr/bin/time and
> wait4(-1, [{WIFEXITED(s) && WEXITSTATUS(s) == 0}], 0, {ru_utime={0, 0}, ru_stime={0, 688438}, ...}) = 9128
>
> so the kernel indeed reports 0 user time for some reason. Note I
> was testing with 4.7 and right now with 4.8.0-rc3 kernel (no local
> modifications). The other machine which reports non-0 utime is 3.12
> SLES kernel. Maybe I am hitting some accounting bug. At first I was
> suspecting CONFIG_NO_HZ_FULL because that is the main difference between
> my and the other machine but then I've noticed that the tests I was
> doing in kvm have this disabled too.. so it must be something else.
4.5 reports non-0 while 4.6 zero utime. NO_HZ configuration is the same
in both kernels.
--
Michal Hocko
SUSE Labs
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[PACTH v2 0/3] Implement /proc/<pid>/totmaps robert.foss@collabora.com - 2016-08-13 00:10 +0200
[PACTH v2 3/3] Documentation/filesystems: Added /proc/PID/totmaps documentation robert.foss@collabora.com - 2016-08-13 00:10 +0200
Re: [PACTH v2 0/3] Implement /proc/<pid>/totmaps Michal Hocko <mhocko@kernel.org> - 2016-08-14 11:10 +0200
Re: [PACTH v2 0/3] Implement /proc/<pid>/totmaps Robert Foss <robert.foss@collabora.com> - 2016-08-15 15:10 +0200
Re: [PACTH v2 0/3] Implement /proc/<pid>/totmaps Michal Hocko <mhocko@kernel.org> - 2016-08-15 15:50 +0200
Re: [PACTH v2 0/3] Implement /proc/<pid>/totmaps Robert Foss <robert.foss@collabora.com> - 2016-08-15 18:30 +0200
Re: [PACTH v2 0/3] Implement /proc/<pid>/totmaps Michal Hocko <mhocko@kernel.org> - 2016-08-16 09:20 +0200
Re: [PACTH v2 0/3] Implement /proc/<pid>/totmaps Robert Foss <robert.foss@collabora.com> - 2016-08-16 18:50 +0200
Re: [PACTH v2 0/3] Implement /proc/<pid>/totmaps Michal Hocko <mhocko@kernel.org> - 2016-08-17 10:30 +0200
Re: [PACTH v2 0/3] Implement /proc/<pid>/totmaps Jann Horn <jann@thejh.net> - 2016-08-17 11:40 +0200
Re: [PACTH v2 0/3] Implement /proc/<pid>/totmaps Michal Hocko <mhocko@kernel.org> - 2016-08-17 15:10 +0200
Re: [PACTH v2 0/3] Implement /proc/<pid>/totmaps Robert Foss <robert.foss@collabora.com> - 2016-08-17 18:50 +0200
Re: [PACTH v2 0/3] Implement /proc/<pid>/totmaps Sonny Rao <sonnyrao@chromium.org> - 2016-08-17 21:10 +0200
Re: [PACTH v2 0/3] Implement /proc/<pid>/totmaps Michal Hocko <mhocko@kernel.org> - 2016-08-18 09:50 +0200
Re: [PACTH v2 0/3] Implement /proc/<pid>/totmaps Michal Hocko <mhocko@kernel.org> - 2016-08-19 03:10 +0200
Re: [PACTH v2 0/3] Implement /proc/<pid>/totmaps Robert Foss <robert.foss@collabora.com> - 2016-08-19 04:00 +0200
Re: [PACTH v2 0/3] Implement /proc/<pid>/totmaps Sonny Rao <sonnyrao@chromium.org> - 2016-08-19 08:30 +0200
Re: [PACTH v2 0/3] Implement /proc/<pid>/totmaps Minchan Kim <minchan@kernel.org> - 2016-08-19 04:30 +0200
Re: [PACTH v2 0/3] Implement /proc/<pid>/totmaps Sonny Rao <sonnyrao@chromium.org> - 2016-08-19 08:50 +0200
Re: [PACTH v2 0/3] Implement /proc/<pid>/totmaps Michal Hocko <mhocko@kernel.org> - 2016-08-19 11:10 +0200
Re: [PACTH v2 0/3] Implement /proc/<pid>/totmaps Sonny Rao <sonnyrao@chromium.org> - 2016-08-19 20:30 +0200
Re: [PACTH v2 0/3] Implement /proc/<pid>/totmaps Minchan Kim <minchan@kernel.org> - 2016-08-22 02:10 +0200
Re: [PACTH v2 0/3] Implement /proc/<pid>/totmaps Michal Hocko <mhocko@kernel.org> - 2016-08-22 09:50 +0200
Re: [PACTH v2 0/3] Implement /proc/<pid>/totmaps Minchan Kim <minchan@kernel.org> - 2016-08-22 16:20 +0200
Re: [PACTH v2 0/3] Implement /proc/<pid>/totmaps Robert Foss <robert.foss@collabora.com> - 2016-08-22 16:40 +0200
Re: [PACTH v2 0/3] Implement /proc/<pid>/totmaps Michal Hocko <mhocko@kernel.org> - 2016-08-22 18:50 +0200
Re: [PACTH v2 0/3] Implement /proc/<pid>/totmaps Michal Hocko <mhocko@kernel.org> - 2016-08-22 19:30 +0200
Re: [PACTH v2 0/3] Implement /proc/<pid>/totmaps Michal Hocko <mhocko@kernel.org> - 2016-08-22 19:50 +0200
Re: [PACTH v2 0/3] Implement /proc/<pid>/totmaps Michal Hocko <mhocko@kernel.org> - 2016-08-23 10:30 +0200
utime accounting regression since 4.6 (was: Re: [PACTH v2 0/3] Implement /proc/<pid>/totmaps) Michal Hocko <mhocko@kernel.org> - 2016-08-23 16:40 +0200
Re: utime accounting regression since 4.6 (was: Re: [PACTH v2 0/3] Implement /proc/<pid>/totmaps) Rik van Riel <riel@redhat.com> - 2016-08-23 23:50 +0200
Re: [PACTH v2 0/3] Implement /proc/<pid>/totmaps Sonny Rao <sonnyrao@chromium.org> - 2016-08-19 08:50 +0200
Re: [PACTH v2 0/3] Implement /proc/<pid>/totmaps Michal Hocko <mhocko@kernel.org> - 2016-08-19 10:00 +0200
Re: [PACTH v2 0/3] Implement /proc/<pid>/totmaps Sonny Rao <sonnyrao@chromium.org> - 2016-08-19 20:00 +0200
Re: [PACTH v2 0/3] Implement /proc/<pid>/totmaps Michal Hocko <mhocko@kernel.org> - 2016-08-22 10:00 +0200
Re: [PACTH v2 0/3] Implement /proc/<pid>/totmaps Sonny Rao <sonnyrao@chromium.org> - 2016-08-23 00:50 +0200
Re: [PACTH v2 0/3] Implement /proc/<pid>/totmaps Marcin Jabrzyk <m.jabrzyk@samsung.com> - 2016-08-24 12:20 +0200
Re: [PACTH v2 0/3] Implement /proc/<pid>/totmaps Sonny Rao <sonnyrao@chromium.org> - 2016-08-19 07:20 +0200
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