From: Steven Rostedt <rostedt@goodmis.org>
To: Yoshihiro YUNOMAE <yoshihiro.yunomae.ez@hitachi.com>
Cc: Amit Shah <amit.shah@redhat.com>,
Anthony Liguori <anthony@codemonkey.ws>,
Arnd Bergmann <arnd@arndb.de>, Borislav Petkov <bp@amd64.org>,
"Franch Ch. Eigler" <fche@redhat.com>,
Frederic Weisbecker <fweisbec@gmail.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Herbert Xu <herbert@gondor.hengli.com.au>,
Ingo Molnar <mingo@redhat.com>,
Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>,
Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
Rusty Russell <rusty@rustcorp.com.au>,
linux-kernel@vger.kernel.org,
virtualization@lists.linux-foundation.org, qemu-devel@nongnu.org,
yrl.pp-manager.tt@hitachi.com
Subject: Re: [PATCH 2/5] trace-cmd: Use tracing directory to count CPUs
Date: Wed, 22 Aug 2012 09:41:33 -0400 [thread overview]
Message-ID: <1345642893.5069.31.camel@gandalf.local.home> (raw)
In-Reply-To: <20120822084312.17293.47596.stgit@ltc189.sdl.hitachi.co.jp>
On Wed, 2012-08-22 at 17:43 +0900, Yoshihiro YUNOMAE wrote:
> From: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
>
> 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 <masami.hiramatsu.pt@hitachi.com>
> Signed-off-by: Yoshihiro YUNOMAE <yoshihiro.yunomae.ez@hitachi.com>
> ---
next prev parent reply other threads:[~2012-08-22 13:41 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-22 8:42 [PATCH 0/5] trace-cmd: Add a recorder readable feature for virtio-trace Yoshihiro YUNOMAE
2012-08-22 8:43 ` [PATCH 1/5] trace-cmd: Use TRACE_DIR envrionment variable if defined Yoshihiro YUNOMAE
2012-08-22 13:37 ` Steven Rostedt
2012-08-22 8:43 ` [PATCH 2/5] trace-cmd: Use tracing directory to count CPUs Yoshihiro YUNOMAE
2012-08-22 13:41 ` Steven Rostedt [this message]
2012-08-23 2:01 ` Masami Hiramatsu
2012-08-23 3:00 ` Masami Hiramatsu
2012-08-23 9:08 ` Steven Rostedt
2012-08-23 12:30 ` Masami Hiramatsu
2012-08-22 8:43 ` [PATCH 3/5] trace-cmd: Support trace-agent of virtio-trace Yoshihiro YUNOMAE
2012-08-22 13:51 ` Steven Rostedt
2012-08-23 3:13 ` Yoshihiro YUNOMAE
2012-08-22 8:43 ` [PATCH 4/5] trace-cmd: Add non-blocking option for open() and splice_read() Yoshihiro YUNOMAE
2012-08-22 8:43 ` [PATCH 5/5] trace-cmd: Use polling function Yoshihiro YUNOMAE
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