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From: Frederic Weisbecker <fweisbec@gmail.com>
To: Li Zefan <lizf@cn.fujitsu.com>
Cc: Ingo Molnar <mingo@elte.hu>,
	Peter Zijlstra <peterz@infradead.org>,
	Steven Rostedt <rostedt@goodmis.org>,
	Tom Zanussi <tzanussi@gmail.com>, Jason Baron <jbaron@redhat.com>,
	LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 0/6] perf trace: Add filter support
Date: Tue, 8 Sep 2009 04:12:25 +0200	[thread overview]
Message-ID: <20090908021224.GD6312@nowhere> (raw)
In-Reply-To: <4AA5AE29.6020107@cn.fujitsu.com>

On Tue, Sep 08, 2009 at 09:06:49AM +0800, Li Zefan wrote:
> >> An example:
> >>
> >>  #./perf record -f -e irq:irq_handler_entry:irq==18:record
> >>  or
> >>  #./perf record -f -e irq:irq_handler_entry:irq==18 -R
> >>  ^C
> > 
> > We may want to write complex filters. While looking at this patchset,
> > that seems possible this way, but the raw line may become unreadable:
> > 
> > perf record -f -e irq:irq_handler_entry:"irq==18 && (name == 'foo' || bar == 'blah')":record
> > 
> > May be we should add an option to let one also set the filters seperately then
> > we could do:
> > 
> > perf record -f -e -R irq:irq_handler_entry --filter "irq==18 && (name == 'foo' || bar == 'blah')"
> > 
> 
> I had the same idea. ;)
> 
> But using this option, is it possible to specify different filters
> for different events? like this:
> 
> perf record -f -e -R irq:irq_handler_entry --filter "irq==18"
> -e irq:softirq_entry --filter "vec==1"
> 


Exactly how I was imagining it :)


  reply	other threads:[~2009-09-08  2:12 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-09-07  8:11 [PATCH 0/6] perf trace: Add filter support Li Zefan
2009-09-07  8:12 ` [PATCH 1/6] tracing/filters: refactor subsystem filter code Li Zefan
2009-09-07  8:12 ` [PATCH 2/6] tracing/profile: Add filter support Li Zefan
2009-09-08  2:01   ` Frederic Weisbecker
2009-09-08  2:24     ` Frederic Weisbecker
2009-09-08  8:35     ` Peter Zijlstra
2009-09-08 12:33       ` Frederic Weisbecker
2009-09-07  8:13 ` [PATCH 3/6] tracing/syscalls: Add profile " Li Zefan
2009-09-07  8:13 ` [PATCH 4/6] perf_counter: Add PERF_COUNTER_IOC_SET_FILTER ioctl Li Zefan
2009-09-07 16:44   ` Peter Zijlstra
2009-09-07 16:48     ` Ingo Molnar
2009-09-07 16:55       ` Peter Zijlstra
2009-09-08  0:49         ` Li Zefan
2009-09-08  6:52           ` Ingo Molnar
2009-09-08  8:37           ` Peter Zijlstra
2009-09-08  7:01         ` Tom Zanussi
2009-09-09  2:18           ` Li Zefan
2009-09-10  4:45             ` Tom Zanussi
2009-09-10 23:01           ` Randy Dunlap
2009-09-11  4:08             ` Tom Zanussi
2009-09-07  8:13 ` [PATCH 5/6] perf trace: increase MAX_EVENT_LENGTH Li Zefan
2009-09-07  8:14 ` [PATCH 6/6] perf trace: Add filter support Li Zefan
2009-09-08  0:02 ` [PATCH 0/6] " Frederic Weisbecker
2009-09-08  1:06   ` Li Zefan
2009-09-08  2:12     ` Frederic Weisbecker [this message]
2009-09-08  6:53       ` Ingo Molnar

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