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From: Frederic Weisbecker <fweisbec@gmail.com>
To: David Ahern <daahern@cisco.com>
Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>,
	Ingo Molnar <mingo@elte.hu>,
	linux-kernel@vger.kernel.org, Paul Mackerras <paulus@samba.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Arnaldo Carvalho de Melo <acme@redhat.com>
Subject: Re: [PATCH 07/10] perf script: Move printing of 'common' data from print_event and rename
Date: Thu, 10 Mar 2011 01:10:41 +0100	[thread overview]
Message-ID: <20110310001039.GC2533@nowhere> (raw)
In-Reply-To: <4D78158F.6010403@cisco.com>

On Wed, Mar 09, 2011 at 05:04:31PM -0700, David Ahern wrote:
> 
> 
> On 03/09/11 16:50, Frederic Weisbecker wrote:
> 
> >> +++ b/tools/perf/util/trace-event-parse.c
> >> @@ -2648,63 +2648,8 @@ static void print_lat_fmt(void *data, int size __unused)
> >>  		printf("%d", lock_depth);
> >>  }
> >>  
> >> -/* taken from Linux, written by Frederic Weisbecker */
> >> -static void print_graph_cpu(int cpu)
> >> -{
> >> -	int i;
> >> -	int log10_this = log10_cpu(cpu);
> >> -	int log10_all = log10_cpu(cpus);
> >> -
> >> -
> >> -	/*
> >> -	 * Start with a space character - to make it stand out
> >> -	 * to the right a bit when trace output is pasted into
> >> -	 * email:
> >> -	 */
> >> -	printf(" ");
> >> -
> >> -	/*
> >> -	 * Tricky - we space the CPU field according to the max
> >> -	 * number of online CPUs. On a 2-cpu system it would take
> >> -	 * a maximum of 1 digit - on a 128 cpu system it would
> >> -	 * take up to 3 digits:
> >> -	 */
> >> -	for (i = 0; i < log10_all - log10_this; i++)
> >> -		printf(" ");
> >> -
> >> -	printf("%d) ", cpu);
> >> -}
> > 
> > So, we indeed don't use the function graph tracer with perf yet.
> > But there are fair chances we will in the future.
> > 
> > So if we remove such code, I would prefer this to be made as
> > a seperate commit. Something we can easily retrieve and revert
> > in the future.
> 
> Once the references to the functions are removed, compile fails --
> functions defined without a user.
> 
> I left the cpu arg into print_trace_event to avoid having to delete even
> more code because of that.

And if you actually keep those functions in place?

  reply	other threads:[~2011-03-10  0:10 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-03-09 18:31 [GIT PULL 00/10] perf/core fixes and improvements Arnaldo Carvalho de Melo
2011-03-09 18:31 ` [PATCH 01/10] perf session: Simplify evlist creation from perf.data header Arnaldo Carvalho de Melo
2011-03-09 18:31 ` [PATCH 02/10] perf evsel: Assume rest of perf_header_attr functions Arnaldo Carvalho de Melo
2011-03-09 18:31 ` [PATCH 03/10] perf header: Stop using 'self' Arnaldo Carvalho de Melo
2011-03-09 18:31 ` [PATCH 04/10] perf top: Fix events overflow in top command Arnaldo Carvalho de Melo
2011-03-09 18:31 ` [PATCH 05/10] perf top: Don't let events to eat up whole header line Arnaldo Carvalho de Melo
2011-03-09 18:31 ` [PATCH 06/10] perf script: Change process_event prototype Arnaldo Carvalho de Melo
2011-03-09 18:31 ` [PATCH 07/10] perf script: Move printing of 'common' data from print_event and rename Arnaldo Carvalho de Melo
2011-03-09 23:50   ` Frederic Weisbecker
2011-03-10  0:04     ` David Ahern
2011-03-10  0:10       ` Frederic Weisbecker [this message]
2011-03-10  0:11         ` David Ahern
2011-03-10  0:14           ` Frederic Weisbecker
2011-03-10  0:22           ` Frederic Weisbecker
2011-03-10  0:32             ` David Ahern
2011-03-10  0:50               ` Frederic Weisbecker
2011-03-09 18:31 ` [PATCH 08/10] perf script: Support custom field selection for output Arnaldo Carvalho de Melo
2011-03-09 18:31 ` [PATCH 09/10] perf script: Add support for dumping symbols Arnaldo Carvalho de Melo
2011-03-09 23:30   ` Frederic Weisbecker
2011-03-10  0:21     ` David Ahern
2011-03-09 18:31 ` [PATCH 10/10] perf script: Add support for H/W and S/W events Arnaldo Carvalho de Melo

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