From: Daniel Wagner <wagi@monom.org>
To: Steven Rostedt <rostedt@goodmis.org>,
Tom Zanussi <tom.zanussi@linux.intel.com>
Cc: Daniel Wagner <daniel.wagner@bmw-carit.de>,
Ingo Molnar <mingo@redhat.com>, Carsten Emde <C.Emde@osadl.org>,
linux-rt-users@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [RFD 5/5] tracing: Add trace_irqsoff tracepoints
Date: Fri, 01 May 2015 09:23:48 +0000 [thread overview]
Message-ID: <55434624.6060109@monom.org> (raw)
In-Reply-To: <20150430225411.37cbb7cc@grimm.local.home>
On 05/01/2015 02:54 AM, Steven Rostedt wrote:
> On Thu, 30 Apr 2015 21:14:52 -0500
> Tom Zanussi <tom.zanussi@linux.intel.com> wrote:
>
>
>>> 'hist:key=latency.bucket:val=hitcount:sort=latency if cpu==0'
>>>
>>> but I haven't got this working. I didn't spend much time figuring out
>>> why this doesn't work. Even if the above is working you still
>>
>> I think it doesn't work because the tracepoint doesn't actually have a
>> 'cpu' field to use in the filter...
>
> Perhaps we should add special fields that don't use the tracepoint
> field, but can use generically know fields that are always known when
> the tracepoint is triggered. COMM could be one, as well as CPU.
I'll give it a try if no one objects next week (public holiday today :))
cheers,
daniel
next prev parent reply other threads:[~2015-05-01 9:23 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-30 10:06 [RFD 0/5] Add latency histogram Daniel Wagner
2015-04-30 10:06 ` [RFD 1/5] tracing: 'hist' triggers Daniel Wagner
2015-04-30 10:06 ` [RFD 2/5] tracing: Add support to sort on the key Daniel Wagner
2015-05-01 2:02 ` Tom Zanussi
2015-04-30 10:06 ` [RFD 3/5] tracing: Add option to quantize key values Daniel Wagner
2015-05-01 2:12 ` Tom Zanussi
2015-04-30 10:06 ` [RFD 4/5] tracing: Deference pointers without RCU checks Daniel Wagner
2015-04-30 10:06 ` [RFD 5/5] tracing: Add trace_irqsoff tracepoints Daniel Wagner
2015-05-01 2:14 ` Tom Zanussi
2015-05-01 2:54 ` Steven Rostedt
2015-05-01 9:23 ` Daniel Wagner [this message]
2015-05-04 14:05 ` Daniel Wagner
2015-05-04 15:41 ` Daniel Wagner
2015-05-06 6:31 ` Daniel Wagner
2015-05-01 1:52 ` [RFD 0/5] Add latency histogram Tom Zanussi
2015-05-01 9:22 ` Daniel Wagner
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