linux-kernel - Re: [PATCH 2/7] perf trace: Correctly handle arrays

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Message-ID: <1273841687.27703.2377.camel@gandalf.stny.rr.com>
Date:	Fri, 14 May 2010 08:54:47 -0400
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	Ian Munsie <imunsie@....ibm.com>, linux-kernel@...r.kernel.org,
	Paul Mackerras <paulus@...ba.org>, Ingo Molnar <mingo@...e.hu>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Tom Zanussi <tzanussi@...il.com>
Subject: Re: [PATCH 2/7] perf trace: Correctly handle arrays

On Fri, 2010-05-14 at 12:39 +0200, Peter Zijlstra wrote:
> On Thu, 2010-05-13 at 12:32 -0400, Steven Rostedt wrote:
> > 
> > -- Steve
> > 
> > > +             else
> > > +                     field->elementsize = field->size;
> > > +
> > >               *fields = field;
> > >               fields = &field->next;
> > >  
> > > @@ -2101,7 +2109,8 @@ static unsigned long long eval_num_arg(void *data, int size,
> > >                       }
> > >                       right = eval_num_arg(data, size, event, arg->op.right);
> > >                       val = read_size(data + larg->field.field->offset +
> > > -                                     right * long_size, long_size);
> > > +                                     right * larg->field.field->elementsize,
> > > +                                     larg->field.field->elementsize);
> > >                       break;
> > >               }
> > >   default_op:
> > > diff --git a/tools/perf/util/trace-event.h b/tools/perf/util/trace-event.h
> > > index 406d452..cc58a19 100644
> > > --- a/tools/perf/util/trace-event.h
> > > +++ b/tools/perf/util/trace-event.h
> > > @@ -40,6 +40,8 @@ struct format_field {
> > >       char                    *name;
> > >       int                     offset;
> > >       int                     size;
> > > +     unsigned int            arraylen;
> > > +     unsigned int            elementsize;
> > >       unsigned long           flags;
> > >  };
> > >  
> 
> What's with this new fad of not trimming emails?
> 

I usually do, but if it isn't that big I don't. But my rule (and I
suspect it with others too) is that I end my comments with my sig 
(-- Steve). After that, I have no more comments so you do not need to
look further. When I see someone's sig in the mail, I stop reading
further.

-- Steve



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