From: Arnaldo Carvalho de Melo Date: Mon, 26 Oct 2009 21:23:19 +0000 (-0200) Subject: perf top: Support userspace symbols too X-Git-Tag: v2.6.33-rc1~399^2~165^2~45 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5b2bb75a0d4b08cd16bc35ecd674f957fc3b0eb7;p=pandora-kernel.git perf top: Support userspace symbols too Example: Compiling the kernel with 'make -k 22 allyesconfig' [root@emilia linux-2.6-tip]# perf top -r 90 ------------------------------------------------------------------------------ PerfTop: 3669 irqs/sec kernel:59.9% [1000Hz cycles], (all, 8 CPUs) ------------------------------------------------------------------------------ samples pcnt function DSO _______ _____ ________________________________ ________________ 3062.00 6.5% clear_page_c [kernel] 2233.00 4.8% _int_malloc /lib64/libc-2.5.so 2100.00 4.5% yylex /home/acme/git/build/allyesconfig/scripts/genksyms/genksyms 2029.00 4.3% memset /lib64/libc-2.5.so 1224.00 2.6% page_fault [kernel] 1075.00 2.3% __GI_strlen /lib64/libc-2.5.so 863.00 1.8% sub_preempt_count [kernel] 822.00 1.8% __GI_memcpy /lib64/libc-2.5.so 810.00 1.7% __GI_vfprintf /lib64/libc-2.5.so 786.00 1.7% _int_free /lib64/libc-2.5.so 775.00 1.7% __GI_strcmp /lib64/libc-2.5.so 748.00 1.6% _spin_lock [kernel] 699.00 1.5% main /home/acme/git/build/allyesconfig/scripts/basic/fixdep 659.00 1.4% add_preempt_count [kernel] 649.00 1.4% yyparse /home/acme/git/build/allyesconfig/scripts/genksyms/genksyms 645.00 1.4% preempt_trace [kernel] 635.00 1.4% __GI___libc_free /lib64/libc-2.5.so 597.00 1.3% trace_preempt_on [kernel] 551.00 1.2% __GI___libc_malloc /lib64/libc-2.5.so 516.00 1.1% _spin_lock_irqsave [kernel] 481.00 1.0% copy_user_generic_string [kernel] 479.00 1.0% unmap_vmas [kernel] 429.00 0.9% _IO_file_xsputn_internal /lib64/libc-2.5.so 425.00 0.9% __GI_strncpy /lib64/libc-2.5.so 416.00 0.9% get_page_from_freelist [kernel] 414.00 0.9% malloc_consolidate /lib64/libc-2.5.so 406.00 0.9% get_parent_ip [kernel] 362.00 0.8% __rmqueue [kernel] 347.00 0.7% in_lock_functions [kernel] 316.00 0.7% __d_lookup [kernel] [root@emilia linux-2.6-tip]# More polishing is needed to print just DSO basename when not --verbose, etc. Supporting a 'comm' column requires some more reworking of 'perf top' internals as we will need to use something like the hist entries 'perf report' uses and will be done in another patch. Signed-off-by: Arnaldo Carvalho de Melo Cc: Frederic Weisbecker Cc: Peter Zijlstra Cc: Paul Mackerras Cc: Mike Galbraith LKML-Reference: <1256592199-9608-3-git-send-email-acme@redhat.com> Signed-off-by: Ingo Molnar --- Reading git-diff-tree failed