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From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: "Bayduraev, Alexey V" <alexey.v.bayduraev@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>, Namhyung Kim <namhyung@kernel.org>,
	Alexander Shishkin <alexander.shishkin@linux.intel.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Ingo Molnar <mingo@redhat.com>,
	linux-kernel <linux-kernel@vger.kernel.org>,
	Andi Kleen <ak@linux.intel.com>,
	Adrian Hunter <adrian.hunter@intel.com>,
	Alexander Antonov <alexander.antonov@linux.intel.com>,
	Alexei Budankov <abudankov@huawei.com>,
	Riccardo Mancini <rickyman7@gmail.com>
Subject: Re: [PATCH v8 01/22] perf record: Introduce thread affinity and mmap masks
Date: Thu, 1 Jul 2021 11:23:18 -0300	[thread overview]
Message-ID: <YN3P1uHBkh7JXBDN@kernel.org> (raw)
In-Reply-To: <b4e43f46-71d5-457b-dcbf-aada28d7ba95@linux.intel.com>

Em Thu, Jul 01, 2021 at 04:05:09PM +0300, Bayduraev, Alexey V escreveu:
> Hi,
> 
> On 30.06.2021 19:17, Arnaldo Carvalho de Melo wrote:
> > Em Wed, Jun 30, 2021 at 06:54:40PM +0300, Alexey Bayduraev escreveu:
> [SNIP]
> >> +static void record__mmap_cpu_mask_free(struct mmap_cpu_mask *mask)
> >> +{
> >> +	bitmap_free(mask->bits);
> >> +	mask->nbits = 0;
> > 
> > Plese use NULL, as 'mask->nbits' is a pointer.
> 
> In perf/util/mmap.h "nbits" is size_t:
> 
> struct mmap_cpu_mask {
>         unsigned long *bits;
>         size_t nbits;
> };

My bad, I saw the pattern of:

    *_free(mask->bits);
    mask->bits = 0;

Nevermind :-)

- Arnaldo

  reply	other threads:[~2021-07-01 14:23 UTC|newest]

Thread overview: 49+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-30 15:54 [PATCH v8 00/22] Introduce threaded trace streaming for basic perf record operation Alexey Bayduraev
2021-06-30 15:54 ` [PATCH v8 01/22] perf record: Introduce thread affinity and mmap masks Alexey Bayduraev
2021-06-30 16:17   ` Arnaldo Carvalho de Melo
2021-06-30 16:28     ` Arnaldo Carvalho de Melo
2021-07-01 13:05     ` Bayduraev, Alexey V
2021-07-01 14:23       ` Arnaldo Carvalho de Melo [this message]
2021-06-30 15:54 ` [PATCH v8 02/22] perf record: Introduce thread specific data array Alexey Bayduraev
2021-06-30 16:26   ` Arnaldo Carvalho de Melo
2021-06-30 17:18   ` Arnaldo Carvalho de Melo
2021-06-30 15:54 ` [PATCH v8 03/22] perf record: Introduce thread local variable Alexey Bayduraev
2021-06-30 17:16   ` Arnaldo Carvalho de Melo
2021-07-01 17:22     ` Bayduraev, Alexey V
2021-06-30 15:54 ` [PATCH v8 04/22] perf record: Stop threads in the end of trace streaming Alexey Bayduraev
2021-06-30 15:54 ` [PATCH v8 05/22] perf record: Start threads in the beginning " Alexey Bayduraev
2021-06-30 17:21   ` Arnaldo Carvalho de Melo
2021-06-30 15:54 ` [PATCH v8 06/22] perf record: Introduce data file at mmap buffer object Alexey Bayduraev
2021-06-30 17:23   ` Arnaldo Carvalho de Melo
2021-07-01 16:41     ` Bayduraev, Alexey V
2021-07-01 17:28       ` Arnaldo Carvalho de Melo
2021-06-30 15:54 ` [PATCH v8 07/22] perf record: Introduce data transferred and compressed stats Alexey Bayduraev
2021-06-30 15:54 ` [PATCH v8 08/22] perf record: Init data file at mmap buffer object Alexey Bayduraev
2021-06-30 15:54 ` [PATCH v8 09/22] tools lib: Introduce bitmap_intersects() operation Alexey Bayduraev
2021-06-30 17:24   ` Arnaldo Carvalho de Melo
2021-06-30 17:33     ` Bayduraev, Alexey V
2021-06-30 17:42     ` Arnaldo Carvalho de Melo
2021-06-30 15:54 ` [PATCH v8 10/22] perf record: Introduce --threads=<spec> command line option Alexey Bayduraev
2021-06-30 17:28   ` Arnaldo Carvalho de Melo
2021-06-30 18:54     ` Bayduraev, Alexey V
2021-07-01 11:50       ` Bayduraev, Alexey V
2021-07-01 14:26         ` Arnaldo Carvalho de Melo
2021-07-01 18:14           ` Bayduraev, Alexey V
2021-06-30 15:54 ` [PATCH v8 11/22] perf record: Document parallel data streaming mode Alexey Bayduraev
2021-06-30 17:28   ` Arnaldo Carvalho de Melo
2021-06-30 15:54 ` [PATCH v8 12/22] perf report: Output data file name in raw trace dump Alexey Bayduraev
2021-06-30 18:36   ` Arnaldo Carvalho de Melo
2021-07-01 22:46     ` Bayduraev, Alexey V
2021-06-30 15:54 ` [PATCH v8 13/22] perf session: Move reader structure to the top Alexey Bayduraev
2021-06-30 15:54 ` [PATCH v8 14/22] perf session: Introduce reader_state in reader object Alexey Bayduraev
2021-06-30 15:54 ` [PATCH v8 15/22] perf session: Introduce reader objects in session object Alexey Bayduraev
2021-06-30 15:54 ` [PATCH v8 16/22] perf session: Introduce decompressor into trace reader object Alexey Bayduraev
2021-06-30 15:54 ` [PATCH v8 17/22] perf session: Move init into reader__init function Alexey Bayduraev
2021-06-30 15:54 ` [PATCH v8 18/22] perf session: Move map/unmap into reader__mmap function Alexey Bayduraev
2021-06-30 15:54 ` [PATCH v8 19/22] perf session: Load single file for analysis Alexey Bayduraev
2021-06-30 15:54 ` [PATCH v8 20/22] perf session: Load data directory files " Alexey Bayduraev
2021-07-02 10:30   ` Jiri Olsa
2021-07-02 12:04     ` Bayduraev, Alexey V
2021-06-30 15:55 ` [PATCH v8 21/22] perf session: Introduce READER_NODATA state Alexey Bayduraev
2021-07-01 10:08   ` Bayduraev, Alexey V
2021-06-30 15:55 ` [PATCH v8 22/22] perf record: Introduce record__bytes_written and fix --max-size option Alexey Bayduraev

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