From: Lin Ming <minggr@gmail.com>
To: zhao bao <baozhao@gmail.com>
Cc: linux-perf-users@vger.kernel.org
Subject: Re: perf trace cannot work with software events ?
Date: Sat, 26 Mar 2011 17:28:54 +0800 [thread overview]
Message-ID: <AANLkTikXKDiyf7Q=mY_ez2P3OSw23VaRMdKcF_M-KCc0@mail.gmail.com> (raw)
In-Reply-To: <AANLkTi=pRKpdupEcXS0FmOA-PiAiXHWPYwWxN4F27fFC@mail.gmail.com>
On Sat, Mar 26, 2011 at 4:04 PM, zhao bao <baozhao@gmail.com> wrote:
> Hi, I want to trace page faults in my program. The result I wanted like this:
> 1st page fault at addrA.
> 2nd page fault at addrB.
> 3rd page fault at addrC
> ...
>
> Perf seems providing this function, but I can't get what I want.
> I use Perf on Fedora 14(kernel 2.6.35). The following is what I have
> done in my machine.
> Thanks for help in advance.
>
> [root@localhost lab]# perf record -R -c 1 -d -e faults ./hello
It's used to trace kernel space page faults, not for userspace code.
Lin Ming
> hello,world
> [ perf record: Woken up 1 times to write data ]
> [ perf record: Captured and wrote 0.010 MB perf.data (~418 samples) ]
>
> [root@localhost lab]# perf trace
> Fatal: no event_list!
> --
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next prev parent reply other threads:[~2011-03-26 9:28 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-26 8:04 perf trace cannot work with software events ? zhao bao
2011-03-26 9:28 ` Lin Ming [this message]
[not found] ` <AANLkTi=VrazJpV+dpzX2hWJ8dYDgbdo_5FAOMRYRo0GD@mail.gmail.com>
2011-03-26 12:31 ` Fwd: " zhao bao
2011-03-26 13:13 ` David Ahern
2011-03-26 14:00 ` zhao bao
2011-03-26 14:23 ` David Ahern
2011-03-26 16:13 ` zhao bao
2011-03-27 3:59 ` David Ahern
2011-03-27 7:44 ` zhao bao
2011-03-27 21:09 ` David Ahern
2011-03-29 15:48 ` zhao bao
2011-03-29 16:55 ` baozhao
2011-03-29 20:05 ` David Ahern
2011-04-18 3:43 ` perf trace Kumar Ranjit-B04060
2011-04-18 6:08 ` David Ahern
2011-04-18 6:38 ` Kumar Ranjit-B04060
2011-04-18 6:48 ` David Ahern
2011-04-18 17:46 ` Kumar Ranjit-B04060
2011-04-18 19:26 ` David Ahern
2011-03-29 17:07 ` Fwd: perf trace cannot work with software events ? zhao bao
2011-03-26 14:27 ` Lin Ming
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