From: Peter Zijlstra <peterz@infradead.org>
To: Akihiro Nagai <akihiro.nagai.hw@hitachi.com>
Cc: Arnaldo Carvalho de Melo <acme@infradead.org>,
Ingo Molnar <mingo@elte.hu>,
Frederic Weisbecker <fweisbec@gmail.com>,
David Ahern <dsahern@gmail.com>,
linux-kernel@vger.kernel.org,
Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>,
yrl.pp-manager.tt@hitachi.com, Paul Mackerras <paulus@samba.org>
Subject: Re: [PATCH -tip v3 2/5] perf: change perf_event_header.misc to PERF_RECORD_MISC_USER for BTS
Date: Mon, 22 Aug 2011 11:02:51 +0200 [thread overview]
Message-ID: <1314003771.24275.6.camel@twins> (raw)
In-Reply-To: <4E4B253B.4000703@hitachi.com>
On Wed, 2011-08-17 at 11:19 +0900, Akihiro Nagai wrote:
> > So what's wrong with something like:
> >
> > header.misc |= is_kernel_address(at->from) ?
> > PERF_RECORD_MISC_KERNEL :
> > PERF_RECORD_MISC_USER;
> >
> It looks good.
> However, current perf doesn't output "kernel to kernel" BTS records.
> So, it is unnecessary yet.
>
Ah, right, I thought we cured that at some point, ok all clear now.
next prev parent reply other threads:[~2011-08-22 9:03 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-11 12:05 [PATCH -tip v3 0/5] perf script: add BTS analysis features Akihiro Nagai
2011-08-11 12:06 ` [PATCH -tip v3 1/5] perf-script: unify the expressions indicate "unknown" Akihiro Nagai
2011-08-22 13:00 ` David Ahern
2011-08-11 12:06 ` [PATCH -tip v3 2/5] perf: change perf_event_header.misc to PERF_RECORD_MISC_USER for BTS Akihiro Nagai
2011-08-11 12:18 ` Peter Zijlstra
2011-08-17 2:19 ` Akihiro Nagai
2011-08-22 9:02 ` Peter Zijlstra [this message]
2011-08-11 12:06 ` [PATCH -tip v3 3/5] perf script: enhance IP and ADDR correlate detection " Akihiro Nagai
2011-08-22 13:00 ` David Ahern
2011-08-11 12:06 ` [PATCH -tip v3 4/5] perf script: add the offset field specifier Akihiro Nagai
2011-08-22 13:02 ` David Ahern
2011-08-11 12:06 ` [PATCH -tip v3 5/5] perf script: add option resolving vmlinux path Akihiro Nagai
2011-08-22 13:03 ` David Ahern
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