[Xen-devel] Re: [Xen-changelog] Patch linux so that /proc/stat shows all -- not just online -- CPUs.

[Muli Ben-Yehuda <muli@xxxxxxxxxx>]

On Mon, May 22, 2006 at 07:18:14PM +0000, Xen patchbot-unstable wrote:
> # HG changeset patch
> # User ack@xxxxxxxxxxxxxxxxxxxxxxx
> # Node ID c6da0c5b03ffec5ce4130aeba90a49f218772622
> # Parent  dec7f819293c11f88281aa0fe408a10f8c1345ce
> Patch linux so that /proc/stat shows all -- not just online -- CPUs.
> This way, tools such as TOP don't freak out when CPUs are hotplugged.
> ---
>  patches/linux-2.6.16.13/xen-hotplug.patch |    9 +++++++++
>  1 files changed, 9 insertions(+)
> 
> diff -r dec7f819293c -r c6da0c5b03ff patches/linux-2.6.16.13/xen-hotplug.patch
> --- /dev/null Thu Jan 01 00:00:00 1970 +0000
> +++ b/patches/linux-2.6.16.13/xen-hotplug.patch       Mon May 22 15:42:54 
> 2006 +0100
> @@ -0,0 +1,11 @@
> +--- ../pristine-linux-2.6.16.13/fs/proc/proc_misc.c  2006-05-02 
> 22:38:44.000000000 +0100
> ++++ ./fs/proc/proc_misc.c    2006-05-22 15:29:34.000000000 +0100
> +@@ -433,7 +433,7 @@ static int show_stat(struct seq_file *p,
> +             (unsigned long long)cputime64_to_clock_t(irq),
> +             (unsigned long long)cputime64_to_clock_t(softirq),
> +             (unsigned long long)cputime64_to_clock_t(steal));
> +-    for_each_online_cpu(i) {
> ++    for_each_cpu(i) {
> + 
> +             /* Copy values here to work around gcc-2.95.3, gcc-2.96 */
> +             user = kstat_cpu(i).cpustat.user;

This doesn't appear to be Xen specific at all - has it been sent
upstream?

Cheers,
Muli

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