5b2bb75a0d
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 <acme@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Mike Galbraith <efault@gmx.de>
LKML-Reference: <1256592199-9608-3-git-send-email-acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>