Re: [PATCH 6/7] perf tools: Do not need to read symbols for source line lookup

2013-12-04 Thread Arnaldo Carvalho de Melo
Em Wed, Dec 04, 2013 at 04:00:18PM +0200, Adrian Hunter escreveu: > On 03/12/13 22:24, Arnaldo Carvalho de Melo wrote: > > Em Tue, Dec 03, 2013 at 09:23:09AM +0200, Adrian Hunter escreveu: > >> When using libbfd to lookup source filename and line number, > >> libbfd does not need the symbol table.

Re: [PATCH 6/7] perf tools: Do not need to read symbols for source line lookup

2013-12-04 Thread Adrian Hunter
On 03/12/13 22:24, Arnaldo Carvalho de Melo wrote: > Em Tue, Dec 03, 2013 at 09:23:09AM +0200, Adrian Hunter escreveu: >> When using libbfd to lookup source filename and line number, >> libbfd does not need the symbol table. Removing the symbol >> table reading, doubles the speed of 'perf script'

Re: [PATCH 6/7] perf tools: Do not need to read symbols for source line lookup

2013-12-03 Thread Arnaldo Carvalho de Melo
Em Tue, Dec 03, 2013 at 09:23:09AM +0200, Adrian Hunter escreveu: > When using libbfd to lookup source filename and line number, > libbfd does not need the symbol table. Removing the symbol > table reading, doubles the speed of 'perf script' with the > 'srcline' option. [root@zoo ~]# gdb perf run