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From: Andi Kleen <ak@linux.intel.com>
To: Alexey Budankov <alexey.budankov@linux.intel.com>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>,
	Jiri Olsa <jolsa@redhat.com>, Namhyung Kim <namhyung@kernel.org>,
	Alexander Shishkin <alexander.shishkin@linux.intel.com>,
	Adrian Hunter <adrian.hunter@intel.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Ingo Molnar <mingo@redhat.com>,
	linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v1 03/15] perf data: open data directory in read access mode
Date: Mon, 12 Oct 2020 09:03:39 -0700	[thread overview]
Message-ID: <20201012160339.GB466880@tassilo.jf.intel.com> (raw)
In-Reply-To: <9ac7f12e-f5a4-dd91-a19a-bb7e5be27636@linux.intel.com>

On Mon, Oct 12, 2020 at 11:55:07AM +0300, Alexey Budankov wrote:
> 
> Open files located at data directory in case of read access mode.

Need some rationale. Is this a bug fix? Did the case not matter
before?

> 
> Signed-off-by: Alexey Budankov <alexey.budankov@linux.intel.com>
> ---
>  tools/perf/util/data.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/tools/perf/util/data.c b/tools/perf/util/data.c
> index c47aa34fdc0a..6ad61ac6ba67 100644
> --- a/tools/perf/util/data.c
> +++ b/tools/perf/util/data.c
> @@ -321,6 +321,10 @@ static int open_dir(struct perf_data *data)
>  		return -1;
>  
>  	ret = open_file(data);
> +	if (!ret && perf_data__is_dir(data)) {
> +		if (perf_data__is_read(data))
> +			ret = perf_data__open_dir(data);
> +	}
>  
>  	/* Cleanup whatever we managed to create so far. */
>  	if (ret && perf_data__is_write(data))
> -- 
> 2.24.1
> 
> 

  reply	other threads:[~2020-10-12 16:03 UTC|newest]

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-12  8:50 [PATCH v1 00/15] Introduce threaded trace streaming for basic perf record operation Alexey Budankov
2020-10-12  8:53 ` [PATCH v1 01/15] perf session: introduce trace file path to be shown in raw trace dump Alexey Budankov
2020-10-12  8:54 ` [PATCH v1 02/15] perf report: output trace file name " Alexey Budankov
2020-10-12 16:01   ` Andi Kleen
2020-10-12 17:06     ` Alexey Budankov
2020-10-20 16:31       ` Alexey Budankov
2020-10-20 17:10         ` Alexey Budankov
2020-10-20 20:29           ` Andi Kleen
2020-10-13 19:54   ` Jiri Olsa
2020-10-13 21:23     ` Alexey Budankov
2020-10-12  8:55 ` [PATCH v1 03/15] perf data: open data directory in read access mode Alexey Budankov
2020-10-12 16:03   ` Andi Kleen [this message]
2020-10-12 16:52     ` Alexey Budankov
2020-10-13 16:22       ` Arnaldo Carvalho de Melo
2020-10-14 10:39         ` Alexey Budankov
2020-10-12  8:56 ` [PATCH v1 04/15] perf session: move reader object definition to header file Alexey Budankov
2020-10-12  8:57 ` [PATCH v1 05/15] perf session: introduce decompressor into trace reader object Alexey Budankov
2020-10-12 16:05   ` Andi Kleen
2020-10-12 16:50     ` Alexey Budankov
2020-10-12  8:58 ` [PATCH v1 06/15] perf session: load data directory into tool process memory Alexey Budankov
2020-10-12 16:09   ` Andi Kleen
2020-10-12 16:49     ` Alexey Budankov
2020-10-13 11:30       ` Alexey Budankov
2020-10-21  6:54         ` Namhyung Kim
2020-10-21 10:25           ` Alexey Budankov
2020-10-21 10:57             ` Namhyung Kim
2020-10-21 13:01               ` Alexey Budankov
2020-10-12  8:59 ` [PATCH v1 07/15] perf record: introduce trace file, compressor and stats in mmap object Alexey Budankov
2020-10-12  9:01 ` [PATCH v1 08/15] perf record: write trace data into mmap trace files Alexey Budankov
2020-10-14 10:52   ` Namhyung Kim
2020-10-14 12:09     ` Alexey Budankov
2020-10-21  7:34       ` Namhyung Kim
2020-10-21 10:24         ` Alexey Budankov
2020-10-21 10:51           ` Namhyung Kim
2020-10-12  9:02 ` [PATCH v1 09/15] perf record: introduce thread specific objects for trace streaming Alexey Budankov
2020-10-12  9:03 ` [PATCH v1 10/15] perf record: manage thread specific data array Alexey Budankov
2020-10-12  9:05 ` [PATCH v1 11/15] perf evlist: introduce evlist__ctlfd_update() to update ctl fd status Alexey Budankov
2020-10-12  9:05 ` [PATCH v1 12/15] perf record: introduce thread local variable for trace streaming Alexey Budankov
2020-10-12  9:10 ` [PATCH v1 13/15] perf record: stop threads in the end of " Alexey Budankov
2020-10-12  9:11 ` [PATCH v1 14/15] perf record: start threads in the beginning " Alexey Budankov
2020-10-12  9:13 ` [PATCH v1 15/15] perf record: introduce --threads command line option Alexey Budankov
2020-10-13 16:20 ` [PATCH v1 00/15] Introduce threaded trace streaming for basic perf record operation Arnaldo Carvalho de Melo
2020-10-14 12:15   ` Alexey Budankov
2020-10-14 17:27 ` Ingo Molnar
2020-10-15 10:35   ` Alexey Budankov

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