[PATCH 0/1] posix timers: Expand exitsting info in proc file

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* [PATCH 0/1] posix timers: Expand exitsting info in proc file
@ 2013-05-16 22:12 Pavel Tikhomirov
  2013-05-16 22:12 ` [PATCH 1/1] posix-timers: Show clock ID " Pavel Tikhomirov
  0 siblings, 1 reply; 7+ messages in thread
From: Pavel Tikhomirov @ 2013-05-16 22:12 UTC (permalink / raw)
  To: Thomas Gleixner
  Cc: Ingo Molnar, Michael Kerrisk, Matthew Helsley, linux-api,
	Linux Kernel Mailing List, Pavel Emelyanov, Pavel Tikhomirov

Hi.

I'm working on the checkpoint-restore project (http://criu.org), on
realisation of posix-timers. To compleatly checkpoint and restore these
timers we need to know which clock they are using. So I d'like to add
this information to existing syscall which shows posix-timers info.

Pavel Tikhomirov (1):
  posix-timers: Show clock ID in proc file

 fs/proc/base.c |    1 +
 1 file changed, 1 insertion(+)

-- 
1.7.9.5

^ permalink raw reply	[flat|nested] 7+ messages in thread

* [PATCH 1/1] posix-timers: Show clock ID in proc file
  2013-05-16 22:12 [PATCH 0/1] posix timers: Expand exitsting info in proc file Pavel Tikhomirov
@ 2013-05-16 22:12 ` Pavel Tikhomirov
  2013-05-17 15:59   ` Greg KH
                     ` (2 more replies)
  0 siblings, 3 replies; 7+ messages in thread
From: Pavel Tikhomirov @ 2013-05-16 22:12 UTC (permalink / raw)
  To: Thomas Gleixner
  Cc: Ingo Molnar, Michael Kerrisk, Matthew Helsley, linux-api,
	Linux Kernel Mailing List, Pavel Emelyanov, Pavel Tikhomirov

Expand information about posix-timers in /proc/<pid>/timers by adding
info about clock, with which the timer was created. I.e. in the forth
line of timer info after "notify:" line go "ClockID: <clock_id>".

Signed-off-by: Pavel Tikhomirov <snorcht@gmail.com>
---
 fs/proc/base.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/proc/base.c b/fs/proc/base.c
index 2dad4a9..8a38eef 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -2079,6 +2079,7 @@ static int show_timer(struct seq_file *m, void *v)
 		nstr[notify & ~SIGEV_THREAD_ID],
 		(notify & SIGEV_THREAD_ID) ? "tid" : "pid",
 		pid_nr_ns(timer->it_pid, tp->ns));
+	seq_printf(m, "ClockID: %d\n", timer->it_clock);
 
 	return 0;
 }
-- 
1.7.9.5


^ permalink raw reply related	[flat|nested] 7+ messages in thread

* Re: [PATCH 1/1] posix-timers: Show clock ID in proc file
  2013-05-16 22:12 ` [PATCH 1/1] posix-timers: Show clock ID " Pavel Tikhomirov
@ 2013-05-17 15:59   ` Greg KH
  2013-05-17 16:12     ` Pavel Emelyanov
  2013-05-17 16:10   ` Pavel Emelyanov
  2013-05-28  9:44   ` [tip:timers/urgent] " tip-bot for Pavel Tikhomirov
  2 siblings, 1 reply; 7+ messages in thread
From: Greg KH @ 2013-05-17 15:59 UTC (permalink / raw)
  To: Pavel Tikhomirov
  Cc: Thomas Gleixner, Ingo Molnar, Michael Kerrisk, Matthew Helsley,
	linux-api, Linux Kernel Mailing List, Pavel Emelyanov

On Fri, May 17, 2013 at 02:12:03AM +0400, Pavel Tikhomirov wrote:
> Expand information about posix-timers in /proc/<pid>/timers by adding
> info about clock, with which the timer was created. I.e. in the forth
> line of timer info after "notify:" line go "ClockID: <clock_id>".
> 
> Signed-off-by: Pavel Tikhomirov <snorcht@gmail.com>
> ---
>  fs/proc/base.c |    1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/fs/proc/base.c b/fs/proc/base.c
> index 2dad4a9..8a38eef 100644
> --- a/fs/proc/base.c
> +++ b/fs/proc/base.c
> @@ -2079,6 +2079,7 @@ static int show_timer(struct seq_file *m, void *v)
>  		nstr[notify & ~SIGEV_THREAD_ID],
>  		(notify & SIGEV_THREAD_ID) ? "tid" : "pid",
>  		pid_nr_ns(timer->it_pid, tp->ns));
> +	seq_printf(m, "ClockID: %d\n", timer->it_clock);

What userspace tool just broke by adding a new field to this file?

thanks,

greg k-h

^ permalink raw reply	[flat|nested] 7+ messages in thread

* Re: [PATCH 1/1] posix-timers: Show clock ID in proc file
  2013-05-17 15:59   ` Greg KH
@ 2013-05-17 16:12     ` Pavel Emelyanov
  2013-05-17 16:22       ` Greg KH
  0 siblings, 1 reply; 7+ messages in thread
From: Pavel Emelyanov @ 2013-05-17 16:12 UTC (permalink / raw)
  To: Greg KH
  Cc: Pavel Tikhomirov, Thomas Gleixner, Ingo Molnar, Michael Kerrisk,
	Matthew Helsley, linux-api, Linux Kernel Mailing List

On 05/17/2013 07:59 PM, Greg KH wrote:
> On Fri, May 17, 2013 at 02:12:03AM +0400, Pavel Tikhomirov wrote:
>> Expand information about posix-timers in /proc/<pid>/timers by adding
>> info about clock, with which the timer was created. I.e. in the forth
>> line of timer info after "notify:" line go "ClockID: <clock_id>".
>>
>> Signed-off-by: Pavel Tikhomirov <snorcht@gmail.com>
>> ---
>>  fs/proc/base.c |    1 +
>>  1 file changed, 1 insertion(+)
>>
>> diff --git a/fs/proc/base.c b/fs/proc/base.c
>> index 2dad4a9..8a38eef 100644
>> --- a/fs/proc/base.c
>> +++ b/fs/proc/base.c
>> @@ -2079,6 +2079,7 @@ static int show_timer(struct seq_file *m, void *v)
>>  		nstr[notify & ~SIGEV_THREAD_ID],
>>  		(notify & SIGEV_THREAD_ID) ? "tid" : "pid",
>>  		pid_nr_ns(timer->it_pid, tp->ns));
>> +	seq_printf(m, "ClockID: %d\n", timer->it_clock);
> 
> What userspace tool just broke by adding a new field to this file?

Zero for two reasons:

1. this proc file appeared this merge window
2. this file format is

  <name>: <value>

and should be parsed line-by-line by applications like e.g. /proc/pid/status
or /proc/pid/smaps. Both these files were extended with fields in the past with
no worries to tools, so should be this new one.

> thanks,
> 
> greg k-h
> .
> 


Thanks,
Pavel

^ permalink raw reply	[flat|nested] 7+ messages in thread

* Re: [PATCH 1/1] posix-timers: Show clock ID in proc file
  2013-05-17 16:12     ` Pavel Emelyanov
@ 2013-05-17 16:22       ` Greg KH
  0 siblings, 0 replies; 7+ messages in thread
From: Greg KH @ 2013-05-17 16:22 UTC (permalink / raw)
  To: Pavel Emelyanov
  Cc: Pavel Tikhomirov, Thomas Gleixner, Ingo Molnar, Michael Kerrisk,
	Matthew Helsley, linux-api, Linux Kernel Mailing List

On Fri, May 17, 2013 at 08:12:55PM +0400, Pavel Emelyanov wrote:
> On 05/17/2013 07:59 PM, Greg KH wrote:
> > On Fri, May 17, 2013 at 02:12:03AM +0400, Pavel Tikhomirov wrote:
> >> Expand information about posix-timers in /proc/<pid>/timers by adding
> >> info about clock, with which the timer was created. I.e. in the forth
> >> line of timer info after "notify:" line go "ClockID: <clock_id>".
> >>
> >> Signed-off-by: Pavel Tikhomirov <snorcht@gmail.com>
> >> ---
> >>  fs/proc/base.c |    1 +
> >>  1 file changed, 1 insertion(+)
> >>
> >> diff --git a/fs/proc/base.c b/fs/proc/base.c
> >> index 2dad4a9..8a38eef 100644
> >> --- a/fs/proc/base.c
> >> +++ b/fs/proc/base.c
> >> @@ -2079,6 +2079,7 @@ static int show_timer(struct seq_file *m, void *v)
> >>  		nstr[notify & ~SIGEV_THREAD_ID],
> >>  		(notify & SIGEV_THREAD_ID) ? "tid" : "pid",
> >>  		pid_nr_ns(timer->it_pid, tp->ns));
> >> +	seq_printf(m, "ClockID: %d\n", timer->it_clock);
> > 
> > What userspace tool just broke by adding a new field to this file?
> 
> Zero for two reasons:
> 
> 1. this proc file appeared this merge window
> 2. this file format is
> 
>   <name>: <value>
> 
> and should be parsed line-by-line by applications like e.g. /proc/pid/status
> or /proc/pid/smaps. Both these files were extended with fields in the past with
> no worries to tools, so should be this new one.

Ok, just making sure :)


^ permalink raw reply	[flat|nested] 7+ messages in thread

* Re: [PATCH 1/1] posix-timers: Show clock ID in proc file
  2013-05-16 22:12 ` [PATCH 1/1] posix-timers: Show clock ID " Pavel Tikhomirov
  2013-05-17 15:59   ` Greg KH
@ 2013-05-17 16:10   ` Pavel Emelyanov
  2013-05-28  9:44   ` [tip:timers/urgent] " tip-bot for Pavel Tikhomirov
  2 siblings, 0 replies; 7+ messages in thread
From: Pavel Emelyanov @ 2013-05-17 16:10 UTC (permalink / raw)
  To: Thomas Gleixner
  Cc: Pavel Tikhomirov, Ingo Molnar, Michael Kerrisk, Matthew Helsley,
	linux-api, Linux Kernel Mailing List

On 05/17/2013 02:12 AM, Pavel Tikhomirov wrote:
> Expand information about posix-timers in /proc/<pid>/timers by adding
> info about clock, with which the timer was created. I.e. in the forth
> line of timer info after "notify:" line go "ClockID: <clock_id>".
> 
> Signed-off-by: Pavel Tikhomirov <snorcht@gmail.com>


Acked-by: Pavel Emelyanov <xemul@parallels.com>

> ---
>  fs/proc/base.c |    1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/fs/proc/base.c b/fs/proc/base.c
> index 2dad4a9..8a38eef 100644
> --- a/fs/proc/base.c
> +++ b/fs/proc/base.c
> @@ -2079,6 +2079,7 @@ static int show_timer(struct seq_file *m, void *v)
>  		nstr[notify & ~SIGEV_THREAD_ID],
>  		(notify & SIGEV_THREAD_ID) ? "tid" : "pid",
>  		pid_nr_ns(timer->it_pid, tp->ns));
> +	seq_printf(m, "ClockID: %d\n", timer->it_clock);
>  
>  	return 0;
>  }
> 



^ permalink raw reply	[flat|nested] 7+ messages in thread

* [tip:timers/urgent] posix-timers: Show clock ID in proc file
  2013-05-16 22:12 ` [PATCH 1/1] posix-timers: Show clock ID " Pavel Tikhomirov
  2013-05-17 15:59   ` Greg KH
  2013-05-17 16:10   ` Pavel Emelyanov
@ 2013-05-28  9:44   ` tip-bot for Pavel Tikhomirov
  2 siblings, 0 replies; 7+ messages in thread
From: tip-bot for Pavel Tikhomirov @ 2013-05-28  9:44 UTC (permalink / raw)
  To: linux-tip-commits
  Cc: linux-kernel, hpa, mingo, matt.helsley, xemul, snorcht, tglx,
	mtk.manpages

Commit-ID:  15ef0298deb3929eb6ad6d2334fd2059fd53807c
Gitweb:     http://git.kernel.org/tip/15ef0298deb3929eb6ad6d2334fd2059fd53807c
Author:     Pavel Tikhomirov <snorcht@gmail.com>
AuthorDate: Fri, 17 May 2013 02:12:03 +0400
Committer:  Thomas Gleixner <tglx@linutronix.de>
CommitDate: Tue, 28 May 2013 11:41:14 +0200

posix-timers: Show clock ID in proc file

Expand information about posix-timers in /proc/<pid>/timers by adding
info about clock, with which the timer was created. I.e. in the forth
line of timer info after "notify:" line go "ClockID: <clock_id>".

Signed-off-by: Pavel Tikhomirov <snorcht@gmail.com>
Cc: Michael Kerrisk <mtk.manpages@gmail.com>
Cc: Matthew Helsley <matt.helsley@gmail.com>
Cc: Pavel Emelyanov <xemul@parallels.com>
Link: http://lkml.kernel.org/r/1368742323-46949-2-git-send-email-snorcht@gmail.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 fs/proc/base.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/proc/base.c b/fs/proc/base.c
index dd51e50..c3834da 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -2118,6 +2118,7 @@ static int show_timer(struct seq_file *m, void *v)
 		nstr[notify & ~SIGEV_THREAD_ID],
 		(notify & SIGEV_THREAD_ID) ? "tid" : "pid",
 		pid_nr_ns(timer->it_pid, tp->ns));
+	seq_printf(m, "ClockID: %d\n", timer->it_clock);
 
 	return 0;
 }

^ permalink raw reply related	[flat|nested] 7+ messages in thread

end of thread, other threads:[~2013-05-28  9:45 UTC | newest]

Thread overview: 7+ messages (download: mbox.gz follow: Atom feed
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2013-05-16 22:12 [PATCH 0/1] posix timers: Expand exitsting info in proc file Pavel Tikhomirov
2013-05-16 22:12 ` [PATCH 1/1] posix-timers: Show clock ID " Pavel Tikhomirov
2013-05-17 15:59   ` Greg KH
2013-05-17 16:12     ` Pavel Emelyanov
2013-05-17 16:22       ` Greg KH
2013-05-17 16:10   ` Pavel Emelyanov
2013-05-28  9:44   ` [tip:timers/urgent] " tip-bot for Pavel Tikhomirov

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