From: "Liang, Kan" <kan.liang@linux.intel.com>
To: Peter Zijlstra <peterz@infradead.org>
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 18:36:38 -0400 [thread overview]
Message-ID: <2dc7c2c2-4f5f-09a9-8c1b-baf294da08b1@linux.intel.com> (raw)
In-Reply-To: <20200810214040.GK3982@worktop.programming.kicks-ass.net>
On 8/10/2020 5:40 PM, Peter Zijlstra wrote:
> 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))
Sure. I will add one patch for Power.
Thanks,
Kan
next prev parent reply other threads:[~2020-08-10 22:36 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
2020-08-10 22:36 ` Liang, Kan [this message]
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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