From: Ingo Molnar <mingo@elte.hu>
To: Frederic Weisbecker <fweisbec@gmail.com>
Cc: "K.Prasad" <prasad@linux.vnet.ibm.com>,
LKML <linux-kernel@vger.kernel.org>,
Li Zefan <lizf@cn.fujitsu.com>,
Alan Stern <stern@rowland.harvard.edu>,
Peter Zijlstra <peterz@infradead.org>,
Arnaldo Carvalho de Melo <acme@redhat.com>,
Steven Rostedt <rostedt@goodmis.org>,
Jan Kiszka <jan.kiszka@web.de>, Jiri Slaby <jirislaby@gmail.com>,
Avi Kivity <avi@redhat.com>, Paul Mackerras <paulus@samba.org>,
Mike Galbraith <efault@gmx.de>,
Masami Hiramatsu <mhiramat@redhat.com>,
Paul Mundt <lethal@linux-sh.org>,
Arjan van de Ven <arjan@linux.intel.com>
Subject: Re: [GIT PULL v6] hw-breakpoints: Rewrite on top of perf events v6
Date: Thu, 26 Nov 2009 10:01:10 +0100 [thread overview]
Message-ID: <20091126090110.GD1389@elte.hu> (raw)
In-Reply-To: <20091126054735.GA5649@nowhere>
* Frederic Weisbecker <fweisbec@gmail.com> wrote:
> > Well we have PERF_TYPE_BREAKPOINT right now. I agree that it should
> > be finalized in some sort of extensible ABI real soon - we dont want
> > (and dont need to) add all features that might be possible in the
> > future.
>
> Concerning in-kernel users, it's not a worry. The in-kernel api is not
> supposed to be stable and shouldn't, especially for such a very young
> facility like generic breakpoints.
in-kernel we dont worry about indeed (we can change and iterate APIs
freely there) - it is PERF_TYPE_BREAKPOINT that we need to make sure is
extensible enough.
Thanks,
Ingo
prev parent reply other threads:[~2009-11-26 9:01 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-11-08 15:28 [GIT PULL v6] hw-breakpoints: Rewrite on top of perf events v6 Frederic Weisbecker
2009-11-08 15:28 ` [PATCH 1/7 v6] perf/core: Provide a kernel-internal interface to get to performance counters Frederic Weisbecker
2009-11-08 15:28 ` [PATCH 2/7 v6] x86/hw-breakpoints: Actually flush thread breakpoints in flush_thread() Frederic Weisbecker
2009-11-08 15:28 ` [PATCH 3/7 v6] perf/core: Add a callback to perf events Frederic Weisbecker
2009-11-17 11:28 ` Peter Zijlstra
2009-11-18 0:18 ` Frederic Weisbecker
2009-11-18 9:31 ` Peter Zijlstra
2009-11-19 15:43 ` Frederic Weisbecker
2009-11-19 22:40 ` Peter Zijlstra
2009-11-08 15:28 ` [PATCH 4/7 v6] hw-breakpoint: Move asm-generic/hw_breakpoint.h to linux/hw_breakpoint.h Frederic Weisbecker
2009-11-08 15:28 ` [PATCH 5/7 v6] hw-breakpoints: Rewrite the hw-breakpoints layer on top of perf events Frederic Weisbecker
2009-11-08 17:24 ` Jan Kiszka
2009-11-12 14:32 ` Frederic Weisbecker
2009-11-11 13:02 ` K.Prasad
2009-11-12 4:25 ` K.Prasad
2009-11-17 1:36 ` Frederic Weisbecker
2009-11-17 1:31 ` Frederic Weisbecker
2009-11-17 11:30 ` Peter Zijlstra
2009-11-18 0:19 ` Frederic Weisbecker
2009-11-08 15:29 ` [PATCH 6/7 v6] hw-breakpoints: Arbitrate access to pmu following registers constraints Frederic Weisbecker
2009-11-08 15:29 ` [PATCH 7/7 v6] ksym_tracer: Remove KSYM_SELFTEST_ENTRY Frederic Weisbecker
2009-11-08 17:03 ` [GIT PULL v6] hw-breakpoints: Rewrite on top of perf events v6 Ingo Molnar
2009-11-24 9:44 ` K.Prasad
2009-11-24 10:13 ` Ingo Molnar
2009-11-24 13:21 ` K.Prasad
2009-11-26 5:59 ` Frederic Weisbecker
2009-11-27 19:07 ` K.Prasad
2009-12-01 6:43 ` Frederic Weisbecker
2009-11-26 5:47 ` Frederic Weisbecker
2009-11-26 9:01 ` Ingo Molnar [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20091126090110.GD1389@elte.hu \
--to=mingo@elte.hu \
--cc=acme@redhat.com \
--cc=arjan@linux.intel.com \
--cc=avi@redhat.com \
--cc=efault@gmx.de \
--cc=fweisbec@gmail.com \
--cc=jan.kiszka@web.de \
--cc=jirislaby@gmail.com \
--cc=lethal@linux-sh.org \
--cc=linux-kernel@vger.kernel.org \
--cc=lizf@cn.fujitsu.com \
--cc=mhiramat@redhat.com \
--cc=paulus@samba.org \
--cc=peterz@infradead.org \
--cc=prasad@linux.vnet.ibm.com \
--cc=rostedt@goodmis.org \
--cc=stern@rowland.harvard.edu \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox