From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Alexey Budankov <alexey.budankov@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>, 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: Tue, 13 Oct 2020 13:22:20 -0300 [thread overview]
Message-ID: <20201013162220.GK1063281@kernel.org> (raw)
In-Reply-To: <49bfe810-f1cc-b1c6-67d3-b0a746552fd6@linux.intel.com>
Em Mon, Oct 12, 2020 at 07:52:33PM +0300, Alexey Budankov escreveu:
>
> On 12.10.2020 19:03, Andi Kleen wrote:
> > 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?
>
> This is not a bug fix. The case didn't matter before.
In such cases can you please write a paragraph explaining why it didn't
matter before and now it is required?
- Arnaldo
>
> >>
> >> 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
>
> Alexei
>
--
- Arnaldo
next prev parent reply other threads:[~2020-10-13 16:22 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
2020-10-12 16:52 ` Alexey Budankov
2020-10-13 16:22 ` Arnaldo Carvalho de Melo [this message]
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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