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From: Jiri Olsa <jolsa@redhat.com>
To: Alexey Budankov <alexey.budankov@linux.intel.com>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>,
	Ingo Molnar <mingo@redhat.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Namhyung Kim <namhyung@kernel.org>,
	Alexander Shishkin <alexander.shishkin@linux.intel.com>,
	Andi Kleen <ak@linux.intel.com>,
	linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v5 0/4] Reduce NUMA related overhead in perf record profiling on large server systems
Date: Mon, 28 Jan 2019 12:27:48 +0100	[thread overview]
Message-ID: <20190128112748.GC15461@krava> (raw)
In-Reply-To: <af72a20b-117c-ec65-5fc9-35f4e81b26bd@linux.intel.com>

On Tue, Jan 22, 2019 at 08:45:12PM +0300, Alexey Budankov wrote:

SNIP

> The patch set has been validated on BT benchmark from NAS Parallel 
> Benchmarks [2] running on dual socket, 44 cores, 88 hw threads Broadwell 
> system with kernels v4.4-21-generic (Ubuntu 16.04) and v4.20.0-rc5 
> (tip perf/core). 
> 
> The patch set is for Arnaldo's perf/core repository.
> 
> OVERHEAD:
> 			       BENCH REPORT BASED   ELAPSED TIME BASED
> 	  v4.20.0-rc5 
>           (tip perf/core):
> 				
> (current) SERIAL-SYS  / BASE : 1.27x (14.37/11.31), 1.29x (15.19/11.69)
> 	  SERIAL-NODE / BASE : 1.15x (13.04/11.31), 1.17x (13.79/11.69)
> 	  SERIAL-CPU  / BASE : 1.00x (11.32/11.31), 1.01x (11.89/11.69)
> 	
> 	  AIO1-SYS    / BASE : 1.29x (14.58/11.31), 1.29x (15.26/11.69)
> 	  AIO1-NODE   / BASE : 1.08x (12.23/11.31), 1,11x (13.01/11.69)
> 	  AIO1-CPU    / BASE : 1.07x (12.14/11.31), 1.08x (12.83/11.69)
> 
> 	  v4.4.0-21-generic
>           (Ubuntu 16.04 LTS):
> 
> (current) SERIAL-SYS  / BASE : 1.26x (13.73/10.87), 1.29x (14.69/11.32)
> 	  SERIAL-NODE / BASE : 1.19x (13.02/10.87), 1.23x (14.03/11.32)
> 	  SERIAL-CPU  / BASE : 1.03x (11.21/10.87), 1.07x (12.18/11.32)
> 	
> 	  AIO1-SYS    / BASE : 1.26x (13.73/10.87), 1.29x (14.69/11.32)
> 	  AIO1-NODE   / BASE : 1.10x (12.04/10.87), 1.15x (13.03/11.32)
> 	  AIO1-CPU    / BASE : 1.12x (12.20/10.87), 1.15x (13.09/11.32)
> 
> ---
> Alexey Budankov (4):
>   perf record: allocate affinity masks
>   perf record: bind the AIO user space buffers to nodes
>   perf record: apply affinity masks when reading mmap buffers
>   perf record: implement --affinity=node|cpu option
> 
>  tools/perf/Documentation/perf-record.txt |   5 ++
>  tools/perf/builtin-record.c              |  45 +++++++++-
>  tools/perf/perf.h                        |   8 ++
>  tools/perf/util/cpumap.c                 |  10 +++
>  tools/perf/util/cpumap.h                 |   1 +
>  tools/perf/util/evlist.c                 |   6 +-
>  tools/perf/util/evlist.h                 |   2 +-
>  tools/perf/util/mmap.c                   | 105 ++++++++++++++++++++++-
>  tools/perf/util/mmap.h                   |   3 +-
>  9 files changed, 175 insertions(+), 10 deletions(-)
> 
> ---
> Changes in v5:
> - avoided multiple allocations of online cpu maps by 
>   implementing it once in cpu_map__online()
> - reduced indentation at record__parse_affinity()

Reviewed-by: Jiri Olsa <jolsa@kernel.org>

thanks,
jirka

  parent reply	other threads:[~2019-01-28 11:27 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-01-22 17:45 [PATCH v5 0/4] Reduce NUMA related overhead in perf record profiling on large server systems Alexey Budankov
2019-01-22 17:47 ` [PATCH v5 1/4] perf record: allocate affinity masks Alexey Budankov
2019-02-09 12:45   ` [tip:perf/core] perf record: Allocate " tip-bot for Alexey Budankov
2019-01-22 17:48 ` [PATCH v5 2/4] perf record: bind the AIO user space buffers to nodes Alexey Budankov
2019-02-04 19:29   ` Arnaldo Carvalho de Melo
2019-02-04 19:47     ` Alexey Budankov
2019-02-05 15:15       ` Arnaldo Carvalho de Melo
2019-02-05 15:34         ` Alexey Budankov
2019-02-09 12:46         ` [tip:perf/core] perf record: Bind " tip-bot for Alexey Budankov
2019-01-22 17:50 ` [PATCH v5 3/4] perf record: apply affinity masks when reading mmap buffers Alexey Budankov
2019-02-09 12:47   ` [tip:perf/core] perf record: Apply " tip-bot for Alexey Budankov
2019-01-22 17:52 ` [PATCH v5 4/4] perf record: implement --affinity=node|cpu option Alexey Budankov
2019-02-15  9:25   ` [tip:perf/core] perf record: Implement " tip-bot for Alexey Budankov
2019-01-28  7:13 ` [PATCH v5 0/4] Reduce NUMA related overhead in perf record profiling on large server systems Alexey Budankov
2019-01-28  8:20   ` Jiri Olsa
2019-01-28  8:39     ` Alexey Budankov
2019-01-28 11:27 ` Jiri Olsa [this message]
2019-01-31  9:52   ` Alexey Budankov
2019-02-01 16:31   ` Arnaldo Carvalho de Melo
2019-01-29  9:14 ` Arnaldo Carvalho de Melo
2019-01-29 10:22   ` Alexey Budankov

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