lkml.org 
[lkml]   [2010]   [Dec]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [PATCH v3] perf tools: Add symfs option for off-box analysis using specified tree
    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.

    > [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


    \
     
     \ /
      Last update: 2010-12-14 15:09    [W:0.023 / U:30.132 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site