From: Alexey Budankov <alexey.budankov@linux.intel.com>
To: Jiri Olsa <jolsa@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@kernel.org>,
Arnaldo Carvalho de Melo <acme@kernel.org>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Namhyung Kim <namhyung@kernel.org>,
Andi Kleen <ak@linux.intel.com>,
linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v11 3/3]: perf record: extend trace writing to multi AIO
Date: Mon, 8 Oct 2018 18:21:48 +0300 [thread overview]
Message-ID: <e999d83f-5a2d-6e59-bc46-25b3516ed425@linux.intel.com> (raw)
In-Reply-To: <20181008124538.GE18757@krava>
Hi,
On 08.10.2018 15:45, Jiri Olsa wrote:
<SNIP>
>
> 'perf record --aio-cblocks=N' could imply '--aio',
>
> I'd like to have simple/intuitive way to enable that,
> without studing the meaning of the cblocks argument
>
> # perf record --aio ...
>
> means that I'm storing data via async writes,
> and using some reasonable default for cblocks
Semantically, --aio is equal to --aio-cblocks=default, as you said.
So, options duplication could be avoided by having some parsing
callback using OPT_CALLBACK().
>
> and later on we'd add 'perf record --threads'
> allowing threads based writers ;-)
Oh, I see. Cool.
Thanks,
Alexey
>
> jirka
>
prev parent reply other threads:[~2018-10-08 15:22 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-08 5:55 [PATCH v11 0/3]: perf: reduce data loss when profiling highly parallel CPU bound workloads Alexey Budankov
2018-10-08 6:14 ` [PATCH v11 1/3]: perf util: map data buffer for preserving collected data Alexey Budankov
2018-10-08 10:50 ` Jiri Olsa
2018-10-08 11:55 ` Alexey Budankov
2018-10-08 12:37 ` Jiri Olsa
2018-10-08 10:50 ` Jiri Olsa
2018-10-08 12:03 ` Alexey Budankov
2018-10-08 12:38 ` Jiri Olsa
2018-10-08 14:43 ` Alexey Budankov
2018-10-08 15:12 ` Jiri Olsa
2018-10-08 15:38 ` Alexey Budankov
2018-10-08 10:51 ` Jiri Olsa
2018-10-08 12:05 ` Alexey Budankov
2018-10-08 6:17 ` [PATCH v11 2/3]: perf record: enable asynchronous trace writing Alexey Budankov
2018-10-08 10:50 ` Jiri Olsa
2018-10-08 12:17 ` Alexey Budankov
2018-10-08 10:51 ` Jiri Olsa
2018-10-08 12:19 ` Alexey Budankov
2018-10-08 10:52 ` Jiri Olsa
2018-10-08 12:24 ` Alexey Budankov
2018-10-08 12:53 ` Jiri Olsa
2018-10-08 14:42 ` Alexey Budankov
2018-10-08 15:11 ` Jiri Olsa
2018-10-08 15:39 ` Alexey Budankov
2018-10-08 10:57 ` Jiri Olsa
2018-10-08 12:15 ` Alexey Budankov
2018-10-08 10:58 ` Jiri Olsa
2018-10-08 12:26 ` Alexey Budankov
2018-10-08 6:19 ` [PATCH v11 3/3]: perf record: extend trace writing to multi AIO Alexey Budankov
2018-10-08 10:55 ` Jiri Olsa
2018-10-08 11:47 ` Alexey Budankov
2018-10-08 12:45 ` Jiri Olsa
2018-10-08 15:21 ` Alexey Budankov [this message]
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