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From: David Miller <davem@davemloft.net>
To: namhyung@kernel.org
Cc: jolsa@redhat.com, acme@kernel.org, linux-kernel@vger.kernel.org,
	jolsa@kernel.org, kernel-team@lge.com
Subject: Re: [PATCH RFC] hist lookups
Date: Sun, 18 Nov 2018 22:33:55 -0800 (PST)	[thread overview]
Message-ID: <20181118.223355.244349385967273824.davem@davemloft.net> (raw)
In-Reply-To: <20181119062837.GB20153@sejong>

From: Namhyung Kim <namhyung@kernel.org>
Date: Mon, 19 Nov 2018 15:28:37 +0900

> Hello David,
> 
> On Sun, Nov 18, 2018 at 08:52:43PM -0800, David Miller wrote:
>> From: Jiri Olsa <jolsa@redhat.com>
>> Date: Tue, 13 Nov 2018 11:40:54 +0100
>> 
>> > I pushed/rebased what I have to perf/fixes branch again
>> > 
>> > please note I had to change our compile changes, because
>> > they wouldn't compile on x86, but I can't verify on sparc,
>> > so you might see some compile fails again
>> 
>> I just checked your current perf/fixes branch.
>> 
>> It builds on Sparc ;-)
>> 
>> And it behaves better too.  I do get tons of drops and lost events,
>> but it seems to keep going even during the hardest load.
>> 
>> Eventually I end up with a lot of unresolvable histogram entries,
>> so that is something to look into.
> 
> Did you record callchains as well?  I'd like to know whether it's
> related to the children (cumulative) mode or not.

I did not have callchains on, just plain "./perf top"

  reply	other threads:[~2018-11-19  6:34 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-31  5:03 [PATCH RFC] hist lookups David Miller
2018-10-31 12:43 ` Arnaldo Carvalho de Melo
2018-10-31 15:39   ` Jiri Olsa
2018-10-31 16:08     ` David Miller
2018-11-03  6:30       ` David Miller
2018-11-04 20:18         ` Jiri Olsa
2018-11-05  0:50           ` David Miller
2018-11-05 20:34             ` Jiri Olsa
2018-11-05 22:52               ` David Miller
2018-11-06  3:45               ` David Miller
2018-11-06  4:03                 ` David Miller
2018-11-06  4:53                   ` David Miller
2018-11-06 11:54                     ` Jiri Olsa
2018-11-19  5:26                       ` Namhyung Kim
2018-11-19  9:12                         ` Jiri Olsa
2018-11-20  1:13                           ` Namhyung Kim
2018-11-06 20:42                     ` Jiri Olsa
2018-11-07  6:13                       ` David Miller
2018-11-07  8:32                         ` Jiri Olsa
2018-11-07 19:43                           ` Jiri Olsa
2018-11-07 20:01                             ` David Miller
2018-11-07 20:28                               ` Arnaldo Carvalho de Melo
2018-11-08  6:04                                 ` David Miller
2018-11-08  7:13                               ` Jiri Olsa
2018-11-09  1:07                                 ` David Miller
2018-11-11 19:41                                   ` Jiri Olsa
2018-11-11 19:41                                     ` Jiri Olsa
2018-11-11 22:32                                     ` David Miller
2018-11-11 22:43                                       ` Jiri Olsa
2018-11-11 22:58                                         ` David Miller
2018-11-11 23:08                                     ` David Miller
2018-11-11 23:26                                       ` Jiri Olsa
2018-11-11 23:32                                         ` David Miller
2018-11-13 10:40                                           ` Jiri Olsa
2018-11-19  4:52                                             ` David Miller
2018-11-19  6:28                                               ` Namhyung Kim
2018-11-19  6:33                                                 ` David Miller [this message]
2018-11-19  7:16                                                   ` Namhyung Kim
2018-11-19  9:14                                               ` Jiri Olsa
2018-11-06 11:51                 ` Jiri Olsa

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