RE: [RFC] proc: change /proc/stat show

2015-03-17 Thread Wang, Yalin
> -Original Message- > From: David Rientjes [mailto:rient...@google.com] > Sent: Wednesday, March 18, 2015 7:02 AM > To: Wang, Yalin > Cc: a...@linux-foundation.org; heiko.carst...@de.ibm.com; > t...@linutronix.de; linux-kernel@vger.kernel.org > Subject: Re: [RFC] pr

Re: [RFC] proc: change /proc/stat show

2015-03-17 Thread David Rientjes
On Tue, 17 Mar 2015, Wang, Yalin wrote: > diff --git a/fs/proc/stat.c b/fs/proc/stat.c > index 510413eb..60b39e2 100644 > --- a/fs/proc/stat.c > +++ b/fs/proc/stat.c > @@ -130,7 +130,7 @@ static int show_stat(struct seq_file *p, void *v) > seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(gue

[RFC] proc: change /proc/stat show

2015-03-17 Thread Wang, Yalin
This patch change /proc/stat to show each cpu, we show each present cpus instead of eacn online cpu, because some cpus are online / offline dynamically, we should also show its cputime even it is offline, some lib will read this file to detect cpu numbers, we should also return the real present cpu