Messages in this thread |  | | | Date | Tue, 14 Dec 2010 07:33:27 -0700 | | From | "David S. Ahern" <> | | Subject | Re: [PATCH v3] perf tools: Add symfs option for off-box analysis using specified tree |
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On 12/14/10 07:06, Arnaldo Carvalho de Melo wrote: > Em Tue, Dec 14, 2010 at 10:52:45AM -0200, Arnaldo Carvalho de Melo escreveu: >> Ok, there are still some problems: >> >> It is escaping the symfs jail for /home/acme/bin/perf, /lib64/libpthread-2.5.so >> and kernel modules, investigating... > > Those 'G' signals means DSO__ORIG_GUEST_KMODULE, since you were not > prefixing that case with symfs, it was the jail leak point, fixed, doing > some more testing before merging.
yuk. I did not touch the hypervisor paths.
So the 'guest' route is tried all the time because of the origin list -- even when it's not applicable.
David
> >> [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 >> Failed to open [kernel.kallsyms], continuing without symbols >> # Events: 503 cycles >> # >> # Overhead Command Shared Object Symbol >> # ........ .......... ..................................... .................... >> # >> 0.84% perf /home/acme/bin/perf 0x26bf1 G [.] die_builtin >> 0.21% perf /home/acme/bin/perf 0x1db4b G [.] event__synthesize_kernel_mmap >> 0.21% perf /home/acme/bin/perf 0x4700 G [.] _init >> 0.21% perf /home/acme/bin/perf 0x1deca G [.] event__synthesize_comm >> 0.21% perf /lib64/libpthread-2.5.so 0xd210 G [.] __write_nocancel >> 0.21% perf /home/acme/bin/perf 0xddbd G [.] atexit_header >> 0.03% kworker/0:1 /lib/modules/2.6.37-rc3/.../ixgbe.ko 0x605 G [k] ixgbe_update_stats
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