• Arnaldo Carvalho de Melo's avatar
    perf symbols: Don't try to load kallsyms if doesn't match the record build-id · 8d0591f6
    Arnaldo Carvalho de Melo authored
    Now a perf.data file collected on a x86_64 fedora 12 machine
    gets properly parsed on a Debian testing PARISC64 machine with
    32-bit userland:
    
      acme@parisc:~/git/linux-2.6-tip$ perf report 2> /dev/null | head -15
      # Samples: 293085637
      #
      # Overhead          Command                      Shared Object  Symbol
      # ........  ...............  .................................  ......
      #
          35.11%             find  [kernel.kallsyms]                  [k] 0xffffffff81002b5a
          18.25%             perf  [kernel.kallsyms]                  [k] 0xffffffff8102235f
           9.07%             find  find                               [.] 0x0000000000fb0e
           5.80%          swapper  [kernel.kallsyms]                  [k] 0xffffffff8102235f
           3.29%             perf  libc-2.10.2.so                     [.] __GI_strcmp
           2.70%             find  libc-2.10.2.so                     [.] __GI_memmove
           2.33%             init  [kernel.kallsyms]                  [k] 0xffffffff810091b9
           2.03%             find  libc-2.10.2.so                     [.] _int_malloc
           1.67%             find  libc-2.10.2.so                     [.] _IO_vfprintf_internal
           1.65%             sshd  libcrypto.so.0.9.8k                [.] 0x00000000105440
      acme@parisc:~/git/linux-2.6-tip$
    Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
    Cc: Frédéric Weisbecker <fweisbec@gmail.com>
    Cc: Mike Galbraith <efault@gmx.de>
    Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
    Cc: Paul Mackerras <paulus@samba.org>
    LKML-Reference: <1263501006-14185-2-git-send-email-acme@infradead.org>
    Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
    8d0591f6
symbol.c 42.1 KB