Messages in this thread |  | | | Date | Tue, 14 Dec 2010 12:35:51 -0200 | | From | Arnaldo Carvalho de Melo <> | | Subject | Re: [PATCH v3] perf tools: Add symfs option for off-box analysis using specified tree |
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Em Tue, Dec 14, 2010 at 07:27:42AM -0700, David S. Ahern escreveu: > On 12/14/10 05:52, Arnaldo Carvalho de Melo wrote: > > Em Tue, Dec 14, 2010 at 10:24:28AM -0200, Arnaldo Carvalho de Melo escreveu: > I was not aware of realpath. Simple change to symbol__init?
I made symbol__init use realpath to reduce the arg to --symfs.
> > [acme@mica linux]$ find /tmp/bla > > /tmp/bla > > /tmp/bla/lib64 > > /tmp/bla/lib64/libc-2.5.so > > [acme@mica linux]$ perf report -v -g none --stdio --symfs /tmp/bla > /tmp/out > > Looking at the vmlinux_path (3 entries long) > > Failed to open [kernel.kallsyms], continuing without symbols > > dso__synthesize_plt_symbols: problems reading /home/acme/bin/perf PLT info. > > [acme@mica linux]$ cat /tmp/out
> strace -e trace=open /tmp/build-perf/perf report -v --symfs /tmp/f14-mnt > -i /tmp/perf-cs.data
> does not show any attempts to open a file not starting with the symfs path.
Probably because all the files you need are in the directories you passed to --symfs, remove one and it will leak.
Anyway, fixed in my perf/core branch, still not propagated from master.k.o to git.k.o :-\
- Arnaldo
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