Re: [PATCH 1/5] perf, tools: Add support for skipping itrace instructions

2016-03-29 Thread Adrian Hunter
On 29/03/2016 7:27 p.m., Arnaldo Carvalho de Melo wrote: Em Mon, Mar 28, 2016 at 10:45:38AM -0700, Andi Kleen escreveu: From: Andi Kleen When using perf script to look at PT traces it is often useful to ignore the initialization code at the beginning. On larger traces which may have many mill

Re: [PATCH 1/5] perf, tools: Add support for skipping itrace instructions

2016-03-29 Thread Arnaldo Carvalho de Melo
Em Mon, Mar 28, 2016 at 10:45:38AM -0700, Andi Kleen escreveu: > From: Andi Kleen > > When using perf script to look at PT traces it is often > useful to ignore the initialization code at the beginning. > > On larger traces which may have many millions of instructions > in initialization code do

[PATCH 1/5] perf, tools: Add support for skipping itrace instructions

2016-03-28 Thread Andi Kleen
From: Andi Kleen When using perf script to look at PT traces it is often useful to ignore the initialization code at the beginning. On larger traces which may have many millions of instructions in initialization code doing that in a pipeline can be very slow, with perf script spending a lot of C