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From: Peter Zijlstra <peterz@infradead.org>
To: Kan Liang <kan.liang@linux.intel.com>
Cc: acme@kernel.org, mingo@redhat.com, linux-kernel@vger.kernel.org,
	mark.rutland@arm.com, alexander.shishkin@linux.intel.com,
	jolsa@redhat.com, eranian@google.com, ak@linux.intel.com,
	dave.hansen@intel.com, kirill.shutemov@linux.intel.com
Subject: Re: [PATCH V6 02/16] perf/x86/intel: Support PERF_SAMPLE_DATA_PAGE_SIZE
Date: Mon, 10 Aug 2020 23:40:40 +0200	[thread overview]
Message-ID: <20200810214040.GK3982@worktop.programming.kicks-ass.net> (raw)
In-Reply-To: <20200810212436.8026-3-kan.liang@linux.intel.com>

On Mon, Aug 10, 2020 at 02:24:22PM -0700, Kan Liang wrote:
> The new sample type, PERF_SAMPLE_DATA_PAGE_SIZE, requires the virtual
> address. Update the data->addr if the sample type is set.
> 
> The large PEBS is disabled with the sample type, because perf doesn't
> support munmap tracking yet. The PEBS buffer for large PEBS cannot be
> flushed for each munmap. Wrong page size may be calculated. The large
> PEBS can be enabled later separately when munmap tracking is supported.


You also get to fix up Power.

arch/powerpc/perf/core-book3s.c:                    (PERF_SAMPLE_ADDR | PERF_SAMPLE_PHYS_ADDR))


  reply	other threads:[~2020-08-10 21:40 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-10 21:24 [PATCH V6 00/16] Add the page size in the perf record Kan Liang
2020-08-10 21:24 ` [PATCH V6 01/16] perf/core: Add PERF_SAMPLE_DATA_PAGE_SIZE Kan Liang
2020-08-10 21:35   ` Peter Zijlstra
2020-08-10 21:39   ` Peter Zijlstra
2020-08-10 22:36     ` Liang, Kan
2020-08-10 21:47   ` Dave Hansen
2020-08-10 22:38     ` Liang, Kan
2020-08-10 22:47       ` Peter Zijlstra
2020-08-12 13:39         ` Liang, Kan
2020-08-12 13:53           ` Dave Hansen
2020-08-10 21:24 ` [PATCH V6 02/16] perf/x86/intel: Support PERF_SAMPLE_DATA_PAGE_SIZE Kan Liang
2020-08-10 21:40   ` Peter Zijlstra [this message]
2020-08-10 22:36     ` Liang, Kan
2020-08-10 21:24 ` [PATCH V6 03/16] perf/core: Add support for PERF_SAMPLE_CODE_PAGE_SIZE Kan Liang
2020-08-10 21:41   ` Peter Zijlstra
2020-08-10 22:37     ` Liang, Kan
2020-08-10 22:44       ` Peter Zijlstra
2020-08-10 21:24 ` [PATCH V6 04/16] tools headers UAPI: Update tools's copy of linux/perf_event.h Kan Liang
2020-08-10 21:24 ` [PATCH V6 05/16] perf record: Support new sample type for data page size Kan Liang
2020-08-10 21:24 ` [PATCH V6 06/16] perf script: Use ULL for enum perf_output_field Kan Liang
2020-08-12 12:21   ` Arnaldo Carvalho de Melo
2020-08-12 13:42     ` Liang, Kan
2020-08-10 21:24 ` [PATCH V6 07/16] perf script: Support data page size Kan Liang
2020-08-10 21:24 ` [PATCH V6 08/16] perf sort: Add sort option for " Kan Liang
2020-08-10 21:24 ` [PATCH V6 09/16] perf mem: Factor out a function to generate sort order Kan Liang
2020-08-10 21:24 ` [PATCH V6 10/16] perf mem: Clean up output format Kan Liang
2020-08-10 21:24 ` [PATCH V6 11/16] perf mem: Support data page size Kan Liang
2020-08-10 21:24 ` [PATCH V6 12/16] perf test: Add test case for PERF_SAMPLE_DATA_PAGE_SIZE Kan Liang
2020-08-10 21:24 ` [PATCH V6 13/16] perf tools: Add support for PERF_SAMPLE_CODE_PAGE_SIZE Kan Liang
2020-08-10 21:24 ` [PATCH V6 14/16] perf script: " Kan Liang
2020-08-10 21:24 ` [PATCH V6 15/16] perf report: " Kan Liang
2020-08-10 21:24 ` [PATCH V6 16/16] perf test: Add test case " Kan Liang

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