Re: [PATCH v4 0/5] perf report: Show branch type

From: Jiri Olsa
Date: Wed Apr 12 2017 - 10:26:57 EST


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