On Wed, Apr 12, 2017 at 08:25:34PM +0800, Jin, Yao wrote: SNIP
> > # Overhead Command Source Shared Object Source Symbol > > Target Symbol Basic Block Cycles > > # ........ ....... .................... > > ....................................... > > ....................................... .................. > > # > > 8.30% perf > > Um [kernel.vmlinux] [k] __intel_pmu_enable_all.constprop.17 [k] > > native_write_msr - > > 7.91% perf > > Um [kernel.vmlinux] [k] intel_pmu_lbr_enable_all [k] > > __intel_pmu_enable_all.constprop.17 - > > 7.91% perf > > Um [kernel.vmlinux] [k] native_write_msr [k] > > intel_pmu_lbr_enable_all - > > 6.32% kill libc-2.24.so [.] _dl_addr > > [.] _dl_addr - > > 5.93% perf > > Um [kernel.vmlinux] [k] perf_iterate_ctx [k] > > perf_iterate_ctx - > > 2.77% kill libc-2.24.so [.] malloc > > [.] malloc - > > 1.98% kill libc-2.24.so [.] _int_malloc > > [.] _int_malloc - > > 1.58% kill [kernel.vmlinux] [k] __rb_insert_augmented > > [k] __rb_insert_augmented - > > 1.58% perf > > Um [kernel.vmlinux] [k] perf_event_exec [k] > > perf_event_exec - > > 1.19% kill [kernel.vmlinux] [k] > > anon_vma_interval_tree_insert [k] anon_vma_interval_tree_insert > > - > > 1.19% kill [kernel.vmlinux] [k] free_pgd_range > > [k] free_pgd_range - > > 1.19% kill [kernel.vmlinux] [k] n_tty_write > > [k] n_tty_write - > > 1.19% perf > > Um [kernel.vmlinux] [k] native_sched_clock [k] > > sched_clock - > > ... > > SNIP > > > > > > jirka > > Hi, > > Thanks so much for trying this patch. > > The branch statistics is printed at the end of perf report --stdio. yep, but for some reason with your changes the head report got changed as well, I haven't checked the details yet.. jirka