From: Steven Rostedt <rostedt@goodmis.org>
To: Lin Ming <ming.m.lin@intel.com>
Cc: Dave Chinner <david@fromorbit.com>, Ingo Molnar <mingo@elte.hu>,
Johannes Berg <johannes@sipsolutions.net>,
"Chatre, Reinette" <reinette.chatre@intel.com>,
Robert Richter <robert.richter@amd.com>,
Corey Ashford <cjashfor@linux.vnet.ibm.com>,
Peter Zijlstra <peterz@infradead.org>, Greg KH <greg@kroah.com>,
Frederic Weisbecker <fweisbec@gmail.com>,
Paul Mundt <lethal@linux-sh.org>,
"eranian@gmail.com" <eranian@gmail.com>,
"Gary.Mohr@Bull.com" <Gary.Mohr@bull.com>,
"arjan@linux.intel.com" <arjan@linux.intel.com>,
"Zhang, Yanmin" <yanmin_zhang@linux.intel.com>,
Paul Mackerras <paulus@samba.org>,
"David S. Miller" <davem@davemloft.net>,
Russell King <rmk+kernel@arm.linux.org.uk>,
Arnaldo Carvalho de Melo <acme@redhat.com>,
Will Deacon <will.deacon@arm.com>,
Maynard Johnson <mpjohn@us.ibm.com>, Carl Love <carll@us.ibm.com>,
Kay Sievers <kay.sievers@vrfy.org>,
lkml <linux-kernel@vger.kernel.org>,
Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [RFC][PATCH v1 06/15] perf: export tracepoint events via sysfs: iwlwifi and iwlwifi_io
Date: Thu, 22 Jul 2010 23:57:34 -0400 [thread overview]
Message-ID: <1279857454.3319.34.camel@gandalf.stny.rr.com> (raw)
In-Reply-To: <1279853134.24607.38.camel@minggr.sh.intel.com>
On Fri, 2010-07-23 at 10:45 +0800, Lin Ming wrote:
> On Fri, 2010-07-23 at 10:14 +0800, Steven Rostedt wrote:
> Does this "TRACE_CATEGORY()" can help to specify different event
> attribute value?
>
> /sys/devices/pci0000:00/0000:00:02.0/drm/card0/events
> |-- i915_gem_object_bind
> | |-- config
> | |-- type
> | |-- filter ==> filter for card0
>
> /sys/devices/pci0000:00/0000:00:02.0/drm/card1/events
> |-- i915_gem_object_bind
> | |-- config
> | |-- type
> | |-- filter ==> filter for card1
>
> In above example, the values of "config" and "type" are same.
> But the values of "filter" are different.
No, it does not make a single event with different atts. It is just a
way to group events.
What you are showing is two events with the same name under two
different groups. But there still only exists one event (the place that
trace_i915_gem_object_bind() is located).
-- Steve
next prev parent reply other threads:[~2010-07-23 3:57 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-22 11:13 Lin Ming
2010-07-22 11:20 ` Johannes Berg
2010-07-22 13:30 ` Steven Rostedt
2010-07-22 13:48 ` Ingo Molnar
2010-07-22 13:54 ` Steven Rostedt
2010-07-23 1:37 ` Dave Chinner
2010-07-23 2:14 ` Steven Rostedt
2010-07-23 2:45 ` Lin Ming
2010-07-23 3:57 ` Steven Rostedt [this message]
2010-07-23 4:20 ` Dave Chinner
2010-07-23 0:53 ` Lin Ming
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