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Re: [Qemu-devel] [PATCH 2/5] trace-cmd: Use tracing directory to count C
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From: |
Steven Rostedt |
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Subject: |
Re: [Qemu-devel] [PATCH 2/5] trace-cmd: Use tracing directory to count CPUs |
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Date: |
Wed, 22 Aug 2012 09:41:33 -0400 |
On Wed, 2012-08-22 at 17:43 +0900, Yoshihiro YUNOMAE wrote:
> From: Masami Hiramatsu <address@hidden>
>
> Count debugfs/tracing/per_cpu/cpu* to determine the
> number of CPUs.
I'm curious, do you find that sysconf doesn't return the # of CPUs the
system has? I've had boxes where the per_cpu/cpu* had more cpus than the
box actually holds. But this was a bug in the kernel, not the tool. This
change log needs to have rational instead of just explaining what the
patch does.
Thanks,
-- Steve
>
> Signed-off-by: Masami Hiramatsu <address@hidden>
> Signed-off-by: Yoshihiro YUNOMAE <address@hidden>
> ---
[Qemu-devel] [PATCH 3/5] trace-cmd: Support trace-agent of virtio-trace, Yoshihiro YUNOMAE, 2012/08/22
[Qemu-devel] [PATCH 4/5] trace-cmd: Add non-blocking option for open() and splice_read(), Yoshihiro YUNOMAE, 2012/08/22
[Qemu-devel] [PATCH 5/5] trace-cmd: Use polling function, Yoshihiro YUNOMAE, 2012/08/22