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From: David Ahern <dsahern@gmail.com>
To: Jiri Olsa <jolsa@kernel.org>, Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: lkml <linux-kernel@vger.kernel.org>,
	Ingo Molnar <mingo@kernel.org>,
	Namhyung Kim <namhyung@kernel.org>,
	Peter Zijlstra <a.p.zijlstra@chello.nl>,
	"Liang, Kan" <kan.liang@intel.com>,
	Don Zickus <dzickus@redhat.com>
Subject: Re: [PATCH 5/9] perf tools: Introduce 'P' modifier
Date: Mon, 5 Oct 2015 12:13:48 -0600	[thread overview]
Message-ID: <5612BDDC.2080806@gmail.com> (raw)
In-Reply-To: <1444068369-20978-6-git-send-email-jolsa@kernel.org>

On 10/5/15 12:06 PM, Jiri Olsa wrote:
> The 'P' will cause the event to get maximum possible
> detected precise level.
>
> Following record:
>    $ perf record -e cycles:P ...
>
> will detect maximum precise level for 'cycles' event
> and use it.
>

Does the end result (which precise level is used) get saved to the 
header and displayed to the user properly?


  reply	other threads:[~2015-10-05 18:13 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-10-05 18:06 [PATCH 0/9] perf tools: Various fixes Jiri Olsa
2015-10-05 18:06 ` [PATCH 1/9] tools lib api fs: Do not use PATH_MAX + 1 Jiri Olsa
2015-10-06  7:12   ` [tip:perf/core] tools lib api fs: No need to " tip-bot for Jiri Olsa
2015-10-05 18:06 ` [PATCH 2/9] perf evlist: Display DATA_SRC sample type bit Jiri Olsa
2015-10-06  7:13   ` [tip:perf/core] " tip-bot for Jiri Olsa
2015-10-05 18:06 ` [PATCH 3/9] perf annotate: Fix sizeof_sym_hist overflow issue Jiri Olsa
2015-10-06  7:13   ` [tip:perf/core] " tip-bot for Jiri Olsa
2015-10-05 18:06 ` [PATCH 4/9] perf tools: Make perf_event_attr__set_max_precise_ip global Jiri Olsa
2015-10-06  7:13   ` [tip:perf/core] perf tools: Export perf_event_attr__set_max_precise_ip() tip-bot for Jiri Olsa
2015-10-05 18:06 ` [PATCH 5/9] perf tools: Introduce 'P' modifier Jiri Olsa
2015-10-05 18:13   ` David Ahern [this message]
2015-10-05 18:38     ` Jiri Olsa
2015-10-05 19:08       ` Arnaldo Carvalho de Melo
2015-10-05 19:20   ` Arnaldo Carvalho de Melo
2015-10-06  7:01     ` Jiri Olsa
2015-10-06  7:14   ` [tip:perf/core] perf tools: Introduce 'P' modifier to request max precision tip-bot for Jiri Olsa
2015-10-05 18:06 ` [PATCH 6/9] perf tests: Add parsing test for 'P' modifier Jiri Olsa
2015-10-06  7:14   ` [tip:perf/core] " tip-bot for Jiri Olsa
2015-10-05 18:06 ` [PATCH 7/9] perf tools: Add support for sorting on the iaddr Jiri Olsa
2015-10-06  7:14   ` [tip:perf/core] " tip-bot for Don Zickus
2015-10-05 18:06 ` [PATCH 8/9] perf tools: Setup proper width for symbol_iaddr field Jiri Olsa
2015-10-06  7:15   ` [tip:perf/core] " tip-bot for Jiri Olsa
2015-10-05 18:06 ` [PATCH 9/9] perf tools: Handle -h and -v options Jiri Olsa
2015-10-06  7:15   ` [tip:perf/core] " tip-bot for Jiri Olsa

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