On 02/19/2014 02:33 AM, Thomas Gleixner wrote:
On Tue, 18 Feb 2014, Alexey Perevalov wrote:
On 02/16/2014 07:39 PM, Thomas Gleixner wrote:
I figured out with deviation, I described before.
Which is wrong to begin with. Using the wrong method does not justify
the results. Are you actually trying
On Tue, 18 Feb 2014, Alexey Perevalov wrote:
> On 02/16/2014 07:39 PM, Thomas Gleixner wrote:
> I figured out with deviation, I described before.
Which is wrong to begin with. Using the wrong method does not justify
the results. Are you actually trying to understand what I'm saying?
> It was due
On 02/16/2014 07:39 PM, Thomas Gleixner wrote:
On Sun, 16 Feb 2014, Alexey Perevalov wrote:
As I understand main idea in hrtimer.c was do not decrement expires_next in
case of DEFERRABLE timers type.
Such small average delay could be explained: it's due higher resolution, and
cpu is not in idle
On Mon, 17 Feb 2014, Alexey Perevalov wrote:
> On 02/16/2014 07:39 PM, Thomas Gleixner wrote:
> Here is the summary:
>
> now value| difference with previous value
> 2159122612405|
> 2158816038362|306574043
> 2158532090801|283947561
> 2158200013165|332077636
> 2157928085502|27
On 02/16/2014 07:39 PM, Thomas Gleixner wrote:
On Sun, 16 Feb 2014, Alexey Perevalov wrote:
As I understand main idea in hrtimer.c was do not decrement expires_next in
case of DEFERRABLE timers type.
Such small average delay could be explained: it's due higher resolution, and
cpu is not in idle
On Sun, 16 Feb 2014, Alexey Perevalov wrote:
> As I understand main idea in hrtimer.c was do not decrement expires_next in
> case of DEFERRABLE timers type.
> Such small average delay could be explained: it's due higher resolution, and
> cpu is not in idle when we in hrtimer_interrupt,
> with timer
On 02/07/2014 12:50 AM, Thomas Gleixner wrote:
On Thu, 6 Feb 2014, Alexey Perevalov wrote:
On 02/06/2014 02:16 AM, Thomas Gleixner wrote:
As I truly understand, you decided - flags is better than new clockids, and
internals of timerfd could be a mix of timer_list and hrtimer.
NO, NO, NO, NO. Th
On 02/07/2014 12:50 AM, Thomas Gleixner wrote:
On Thu, 6 Feb 2014, Alexey Perevalov wrote:
On 02/06/2014 02:16 AM, Thomas Gleixner wrote:
As I truly understand, you decided - flags is better than new clockids, and
internals of timerfd could be a mix of timer_list and hrtimer.
NO, NO, NO, NO. Th
On Thu, 6 Feb 2014, Alexey Perevalov wrote:
> On 02/06/2014 02:16 AM, Thomas Gleixner wrote:
> As I truly understand, you decided - flags is better than new clockids, and
> internals of timerfd could be a mix of timer_list and hrtimer.
NO, NO, NO, NO. There is no mix of timer_list and hrtimer. Eit
On 02/06/2014 09:38 AM, Alexey Perevalov wrote:
> On 02/06/2014 02:16 AM, Thomas Gleixner wrote:
>> On Wed, 5 Feb 2014, John Stultz wrote:
>>> My reasoning was that the deferrablity isn't a clock domain, and is
>>> more
>>> of a modifier. Thus to keep the interfaces somewhat sane (and avoiding
>>>
On 02/06/2014 02:16 AM, Thomas Gleixner wrote:
On Wed, 5 Feb 2014, John Stultz wrote:
On 02/05/2014 01:41 PM, Thomas Gleixner wrote:
On Wed, 5 Feb 2014, Alexey Perevalov wrote:
On 02/04/2014 08:10 PM, Thomas Gleixner wrote:
On Mon, 27 Jan 2014, Alexey Perevalov wrote:
On 01/21/2014 11:12 PM,
On Wed, 5 Feb 2014, John Stultz wrote:
> On 02/05/2014 01:41 PM, Thomas Gleixner wrote:
> > On Wed, 5 Feb 2014, Alexey Perevalov wrote:
> >> On 02/04/2014 08:10 PM, Thomas Gleixner wrote:
> >>> On Mon, 27 Jan 2014, Alexey Perevalov wrote:
> On 01/21/2014 11:12 PM, John Stultz wrote:
> > Th
On 02/05/2014 01:41 PM, Thomas Gleixner wrote:
> On Wed, 5 Feb 2014, Alexey Perevalov wrote:
>> On 02/04/2014 08:10 PM, Thomas Gleixner wrote:
>>> On Mon, 27 Jan 2014, Alexey Perevalov wrote:
On 01/21/2014 11:12 PM, John Stultz wrote:
> Thomas: Any thought here? Should we be trying to unif
On Wed, 5 Feb 2014, Alexey Perevalov wrote:
> On 02/04/2014 08:10 PM, Thomas Gleixner wrote:
> > On Mon, 27 Jan 2014, Alexey Perevalov wrote:
> > > On 01/21/2014 11:12 PM, John Stultz wrote:
> > > > Thomas: Any thought here? Should we be trying to unify the timerfd flags
> > > > and the posix timer
On 02/04/2014 08:10 PM, Thomas Gleixner wrote:
On Mon, 27 Jan 2014, Alexey Perevalov wrote:
On 01/21/2014 11:12 PM, John Stultz wrote:
Thomas: Any thought here? Should we be trying to unify the timerfd flags
and the posix timer flags (specifically things like TIMER_CANCEL_ON_SET,
which is curre
On Mon, 27 Jan 2014, Alexey Perevalov wrote:
> On 01/21/2014 11:12 PM, John Stultz wrote:
> >
> > Thomas: Any thought here? Should we be trying to unify the timerfd flags
> > and the posix timer flags (specifically things like TIMER_CANCEL_ON_SET,
> > which is currently timerfd-only)? Should a de
On 02/02/2014 10:54 PM, Alexey Perevalov wrote:
> Dear John, hello
>
> could we figure out without Thomas advice?
> Maybe it worth to propose timerfd and posix timer flag unification patch?
That would likely get his attention (and possibly wrath)... so not a
bad idea! ;)
thanks
-john
--
To u
Dear John, hello
could we figure out without Thomas advice?
Maybe it worth to propose timerfd and posix timer flag unification patch?
On 01/21/2014 11:12 PM, John Stultz wrote:
On 01/13/2014 02:43 AM, Alexey Perevalov wrote:
Hello dear community.
This is reworked patch set of original Anton's
Dear Thomas,
could you please comment John's question (see bellow) regarding flags.
On 01/21/2014 11:12 PM, John Stultz wrote:
On 01/13/2014 02:43 AM, Alexey Perevalov wrote:
Hello dear community.
This is reworked patch set of original Anton's Vorontsov
proposal regarding unified deferrable ti
On 01/13/2014 02:43 AM, Alexey Perevalov wrote:
> Hello dear community.
>
> This is reworked patch set of original Anton's Vorontsov
> proposal regarding unified deferrable timers in the user space.
> http://lwn.net/Articles/514707/
>
>
> I decided to resubmit it due we found it usefull for us too.
On 01/13/2014 09:36 PM, Andi Kleen wrote:
Alexey Perevalov writes:
Hello all,
one remark - timerfd is not documented in linux Documentation
directory at all.
I think it's better to have such description.
The documentation is the manpage in man-pages.
Ideally you change would come with the c
Alexey Perevalov writes:
> Hello all,
>
> one remark - timerfd is not documented in linux Documentation
> directory at all.
> I think it's better to have such description.
The documentation is the manpage in man-pages.
Ideally you change would come with the changed manpage
too.
-Andi
--
a...
Hello all,
one remark - timerfd is not documented in linux Documentation directory
at all.
I think it's better to have such description.
On 01/13/2014 02:43 PM, Alexey Perevalov wrote:
Hello dear community.
This is reworked patch set of original Anton's Vorontsov
proposal regarding unified
Hello dear community.
This is reworked patch set of original Anton's Vorontsov
proposal regarding unified deferrable timers in the user space.
http://lwn.net/Articles/514707/
I decided to resubmit it due we found it usefull for us too.
timerfd was modified since Anton's commit, Alarm support wa
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