From: Jiri Olsa <jolsa@redhat.com>
To: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>,
Ingo Molnar <mingo@kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
Jiri Olsa <jolsa@kernel.org>, LKML <linux-kernel@vger.kernel.org>,
Andi Kleen <andi@firstfloor.org>, David Ahern <dsahern@gmail.com>,
Frederic Weisbecker <fweisbec@gmail.com>,
Wang Nan <wangnan0@huawei.com>
Subject: Re: [PATCHSET 00/12] perf tools: Apply percent-limit to callchains
Date: Tue, 26 Jan 2016 16:41:16 +0100 [thread overview]
Message-ID: <20160126154116.GA26800@krava.brq.redhat.com> (raw)
In-Reply-To: <20160126153035.GG4361@kernel.org>
On Tue, Jan 26, 2016 at 12:30:36PM -0300, Arnaldo Carvalho de Melo wrote:
> Em Tue, Jan 26, 2016 at 04:18:00PM +0100, Jiri Olsa escreveu:
> > On Tue, Jan 26, 2016 at 11:49:07PM +0900, Namhyung Kim wrote:
> >
> > SNIP
> >
> > > > __hrtimer_run_queues
> > > > tick_sched_timer
> > > > tick_sched_handle.isra.17
> > > > update_process_times
> > > > scheduler_tick
> > > > perf_event_task_tick
> > > > perf_pmu_enable.part.87
> > > > x86_pmu_enable
> > > > intel_pmu_enable_all
> > > > intel_bts_enable_local
> > > >
> > > > 0.08% 0.00% perf [kernel.vmlinux] [k] perf_pmu_enable.part.87
> > > > 0.08% 0.00% perf [kernel.vmlinux] [k] perf_event_context_sched_in
> > > > 0.08% 0.00% perf [kernel.vmlinux] [k] perf_event_exec
> > > > 0.08% 0.00% perf [kernel.vmlinux] [k] setup_new_exec
> > > > 0.08% 0.00% perf [kernel.vmlinux] [k] load_elf_binary
> > > > 0.08% 0.00% perf [kernel.vmlinux] [k] search_binary_handler
> > > > 0.08% 0.00% perf [kernel.vmlinux] [k] do_execveat_common.isra.33
> > > > 0.08% 0.00% perf [kernel.vmlinux] [k] sys_execve
> > > > 0.08% 0.00% perf [kernel.vmlinux] [k] return_from_execve
> > > > 0.08% 0.00% perf [unknown] [k] 0x00007f2175b35e07
> > > > 0.04% 0.00% perf [kernel.vmlinux] [k] perf_event_nmi_handler
> > > > 0.04% 0.00% perf [kernel.vmlinux] [k] nmi_handle
> > > > 0.04% 0.00% perf [kernel.vmlinux] [k] default_do_nmi
> > > > 0.04% 0.00% perf [kernel.vmlinux] [k] do_nmi
> > > > 0.04% 0.00% perf [kernel.vmlinux] [k] end_repeat_nmi
> > > > 0.04% 0.04% perf [kernel.vmlinux] [k] x86_pmu_enable
> > > > 0.04% 0.04% perf [kernel.vmlinux] [k] native_apic_mem_write
> > > >
> > >
> > > What's the problem? Now by default callchains under 0.5% (absolute)
> > > will not be shown. I think this is intended output, and we need to
> > > consider changing the default percent limit.
> >
> > hm, just the TUI shows +- for entries with no callchain
>
> Humm, this is an old bug, never got around to try to fix it, or is this
> something you were not experiencing before this patchkit from Namhyung?
>
well, there were callchains present before this patchset ;-)
jirka
next prev parent reply other threads:[~2016-01-26 15:41 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-24 13:53 Namhyung Kim
2016-01-24 13:53 ` [PATCH 01/12] perf report: Apply --percent-limit to callchains also Namhyung Kim
2016-01-24 13:53 ` [PATCH 02/12] perf report: Apply callchain percent limit on --stdio Namhyung Kim
2016-01-24 13:53 ` [PATCH 03/12] perf report: Get rid of hist_entry__callchain_fprintf() Namhyung Kim
2016-01-24 13:53 ` [PATCH 04/12] perf report: Fix percent calculation on --stdio Namhyung Kim
2016-01-24 13:53 ` [PATCH 05/12] perf report: Hide output pipe for percent-limited callchains on stdio Namhyung Kim
2016-01-24 13:53 ` [PATCH 06/12] perf hists browser: Fix dump to show correct callchain style Namhyung Kim
2016-01-24 13:53 ` [PATCH 07/12] perf hists browser: Fix callchain_node__count_rows() Namhyung Kim
2016-01-26 11:46 ` Jiri Olsa
2016-01-26 12:32 ` Namhyung Kim
2016-01-24 13:53 ` [PATCH 08/12] perf hists browser: Apply callchain percent limit Namhyung Kim
2016-01-24 13:53 ` [PATCH 09/12] perf hists browser: Fix callchain counting when press ENTER key Namhyung Kim
2016-01-24 13:53 ` [PATCH 10/12] perf hists browser: Fix counting callchains when expand/collapse all Namhyung Kim
2016-01-24 13:53 ` [PATCH 11/12] perf hists browser: Update percent base for fractal callchain mode Namhyung Kim
2016-01-24 13:53 ` [PATCH 12/12] perf report: Fix callchain percent limit on --gtk Namhyung Kim
2016-01-25 2:16 ` [PATCHSET 00/12] perf tools: Apply percent-limit to callchains Andi Kleen
2016-01-26 12:14 ` Jiri Olsa
2016-01-26 12:51 ` Namhyung Kim
2016-01-26 13:27 ` Jiri Olsa
2016-01-26 14:10 ` Namhyung Kim
2016-01-26 14:41 ` Jiri Olsa
2016-01-26 14:49 ` Namhyung Kim
2016-01-26 15:18 ` Jiri Olsa
2016-01-26 15:30 ` Arnaldo Carvalho de Melo
2016-01-26 15:41 ` Jiri Olsa [this message]
2016-01-26 15:54 ` Namhyung Kim
2016-01-26 16:15 ` Jiri Olsa
2016-01-27 13:21 ` Namhyung Kim
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