From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Alexey Budankov <alexey.budankov@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>, Andi Kleen <ak@linux.intel.com>,
linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v12 05/15] perf evlist: implement control command handling functions
Date: Wed, 22 Jul 2020 09:27:34 -0300 [thread overview]
Message-ID: <20200722122734.GJ77866@kernel.org> (raw)
In-Reply-To: <62518ceb-1cc9-2aba-593b-55408d07c1bf@linux.intel.com>
Em Fri, Jul 17, 2020 at 10:01:33AM +0300, Alexey Budankov escreveu:
>
> Implement functions of initialization, finalization and processing
> of control command messages coming from control file descriptors.
> Allocate control file descriptor as descriptor at struct pollfd
> object of evsel_list for atomic poll() operation.
>
> Signed-off-by: Alexey Budankov <alexey.budankov@linux.intel.com>
> Acked-by: Jiri Olsa <jolsa@redhat.com>
> Acked-by: Namhyung Kim <namhyung@kernel.org>
I'm applying locally for testing, but can you answer what is the reason
for that newline in the CMD_ACK_TAG? I tried looking at previous
discussion but couldn't quickly find any reasoning for that
- Arnaldo
> +++ b/tools/perf/util/evlist.h
> @@ -359,4 +359,22 @@ void perf_evlist__force_leader(struct evlist *evlist);
> struct evsel *perf_evlist__reset_weak_group(struct evlist *evlist,
> struct evsel *evsel,
> bool close);
> +#define EVLIST_CTL_CMD_ENABLE_TAG "enable"
> +#define EVLIST_CTL_CMD_DISABLE_TAG "disable"
> +#define EVLIST_CTL_CMD_ACK_TAG "ack\n"
What for? That '\n'?
next prev parent reply other threads:[~2020-07-22 12:27 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-17 6:45 [PATCH v12 00/15] perf: support enable and disable commands in stat and record modes Alexey Budankov
2020-07-17 6:59 ` [PATCH v12 01/15] tools/libperf: avoid internal moving of fdarray fds Alexey Budankov
2020-07-21 12:40 ` Arnaldo Carvalho de Melo
2020-07-17 6:59 ` [PATCH v12 02/15] tools/libperf: add flags to fdarray fds objects Alexey Budankov
2020-07-21 12:53 ` Arnaldo Carvalho de Melo
2020-07-17 7:00 ` [PATCH v12 03/15] tools/libperf: avoid counting of nonfilterable fdarray fds Alexey Budankov
2020-07-21 19:59 ` Arnaldo Carvalho de Melo
2020-07-17 7:00 ` [PATCH v12 04/15] perf evlist: introduce control file descriptors Alexey Budankov
2020-07-17 7:01 ` [PATCH v12 05/15] perf evlist: implement control command handling functions Alexey Budankov
2020-07-22 12:27 ` Arnaldo Carvalho de Melo [this message]
2020-07-22 12:34 ` Arnaldo Carvalho de Melo
2020-07-22 12:45 ` Alexey Budankov
2020-07-22 12:41 ` Arnaldo Carvalho de Melo
2020-07-17 7:02 ` [PATCH v12 06/15] perf stat: factor out body of event handling loop for system wide Alexey Budankov
2020-07-17 7:02 ` [PATCH v12 07/15] perf stat: move target check to loop control statement Alexey Budankov
2020-07-17 7:03 ` [PATCH v12 08/15] perf stat: factor out body of event handling loop for fork case Alexey Budankov
2020-07-17 7:04 ` [PATCH v12 09/15] perf stat: factor out event handling loop into dispatch_events() Alexey Budankov
2020-07-17 7:04 ` [PATCH v12 10/15] perf stat: extend -D,--delay option with -1 value Alexey Budankov
2020-07-17 7:05 ` [PATCH v12 11/15] perf stat: implement control commands handling Alexey Budankov
2020-07-22 12:56 ` Arnaldo Carvalho de Melo
2020-07-22 13:18 ` Alexey Budankov
2020-07-17 7:05 ` [PATCH v12 12/15] perf stat: introduce --control fd:ctl-fd[,ack-fd] options Alexey Budankov
2020-07-17 7:07 ` [PATCH v12 13/15] perf record: extend -D,--delay option with -1 value Alexey Budankov
2020-07-17 7:07 ` [PATCH v12 14/15] perf record: implement control commands handling Alexey Budankov
2020-07-17 7:08 ` [PATCH v12 15/15] perf record: introduce --control fd:ctl-fd[,ack-fd] options Alexey Budankov
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