Re: [REGRESSION] Two issues that prevent process accounting (taskstats) from working correctly

[Peter Zijlstra <peterz@infradead.org>]

On Mon, Dec 19, 2016 at 02:50:25PM +0100, Martin Steigerwald wrote:
> Am Montag, 19. Dezember 2016, 14:19:11 CET schrieb Peter Zijlstra:
> > On Mon, Dec 19, 2016 at 01:06:00PM +0100, Martin Steigerwald wrote:
> > > Hello Ingo, Peter, Nicolas, Andrew, Balbir, Shailabh, Jay, Gerlof and
> > > Marc,
> > > 
> > > starting from a Debian bug report of mine, Gerlof Langeveld, developer of
> > > system and process monitor atop¹, found two issues with process
> > > accounting.
> > 
> > While $subject says regression the rest of the email completely fails to
> > mentions if this ever worked, and if so, against what version.
> 
> Sorry for not mentioning it here. With kernel 3.16 process accounting worked 
> nicely. We do not have any data on the exact kernel version where it started 
> to fail. I do see these issues since quite a while, but I was never sure 
> whether it was an issue in atop or the kernel and I do not recall on what 
> exact combination of atop + kernel version it failed to work.
> 
> As an additional notice: The mail addresses of Balbir and Shailabh which I got 
> from source code annotations of taskstats.c and getdelays.c do not work 
> anymore.

Right, Balbir is back with IBM and working on Linux again, but under a
different email address (and on a different continent). I've amended
his address and bounced him the initial email.