linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Jiri Olsa <jolsa@redhat.com>
To: Alexey Budankov <alexey.budankov@linux.intel.com>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>,
	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 v7 03/13] perf evlist: implement control command handling functions
Date: Tue, 23 Jun 2020 16:54:50 +0200	[thread overview]
Message-ID: <20200623145450.GF2619137@krava> (raw)
In-Reply-To: <88988ce1-52d3-21e7-f0dc-bac5fde63cb2@linux.intel.com>

On Wed, Jun 03, 2020 at 06:54:47PM +0300, Alexey Budankov wrote:

SNIP

> +			case EVLIST_CTL_CMD_ACK:
> +			case EVLIST_CTL_CMD_UNSUPPORTED:
> +			default:
> +				pr_debug("ctlfd: unsupported %d\n", *cmd);
> +				break;
> +			}
> +			if (!(*cmd == EVLIST_CTL_CMD_ACK || *cmd == EVLIST_CTL_CMD_UNSUPPORTED))
> +				evlist__ctlfd_ack(evlist);
> +		}
> +	}
> +
> +	if (stat_entries[ctlfd_pos].revents & (POLLHUP | POLLERR))
> +		evlist__finalize_ctlfd(evlist);
> +	else
> +		stat_entries[ctlfd_pos].revents = 0;
> +
> +	return err;
> +}
> diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h
> index 0d8b361f1c8e..bccf0a970371 100644
> --- a/tools/perf/util/evlist.h
> +++ b/tools/perf/util/evlist.h
> @@ -360,4 +360,21 @@ 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"

why the \n at the end of ack?

jirka


  reply	other threads:[~2020-06-23 14:55 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-03 15:47 [PATCH v7 00/13] perf: support enable and disable commands in stat and record modes Alexey Budankov
2020-06-03 15:52 ` [PATCH v7 01/13] tools/libperf: introduce notion of static polled file descriptors Alexey Budankov
2020-06-05 10:50   ` Jiri Olsa
2020-06-05 11:38     ` Jiri Olsa
2020-06-05 16:15       ` Alexey Budankov
2020-06-08  8:08         ` Alexey Budankov
2020-06-08  8:43           ` Jiri Olsa
2020-06-08  9:54             ` Alexey Budankov
2020-06-08 15:05               ` Alexey Budankov
2020-06-08 16:07               ` Jiri Olsa
2020-06-08 16:43                 ` Alexey Budankov
2020-06-08 17:18                   ` Alexey Budankov
2020-06-09 14:56                     ` Jiri Olsa
2020-06-09 18:51                       ` Alexey Budankov
2020-06-15 13:13                       ` Alexey Budankov
2020-06-15 17:38                       ` Alexey Budankov
2020-06-15  5:20                 ` Alexey Budankov
2020-06-15 12:30                   ` Jiri Olsa
2020-06-15 14:37                     ` Alexey Budankov
2020-06-15 16:58                       ` Jiri Olsa
2020-06-17  9:27                         ` Jiri Olsa
2020-06-17  9:39                           ` Alexey Budankov
2020-06-22  9:47                         ` Alexey Budankov
2020-06-22 10:21                           ` Jiri Olsa
2020-06-22 10:50                             ` Alexey Budankov
2020-06-22 12:11                               ` Jiri Olsa
2020-06-22 14:04                                 ` Alexey Budankov
2020-06-23 14:54                                   ` Jiri Olsa
2020-06-05 11:50     ` Alexey Budankov
2020-06-03 15:53 ` [PATCH v7 02/13] perf evlist: introduce control " Alexey Budankov
2020-06-03 15:54 ` [PATCH v7 03/13] perf evlist: implement control command handling functions Alexey Budankov
2020-06-23 14:54   ` Jiri Olsa [this message]
2020-06-24 11:48     ` Alexey Budankov
2020-06-03 15:55 ` [PATCH v7 04/13] perf stat: factor out body of event handling loop for system wide Alexey Budankov
2020-06-03 15:56 ` [PATCH v7 05/13] perf stat: move target check to loop control statement Alexey Budankov
2020-06-03 15:57 ` [PATCH v7 06/13] perf stat: factor out body of event handling loop for fork case Alexey Budankov
2020-06-03 15:57 ` [PATCH v7 07/13] perf stat: factor out event handling loop into dispatch_events() Alexey Budankov
2020-06-03 15:58 ` [PATCH v7 08/13] perf stat: extend -D,--delay option with -1 value Alexey Budankov
2020-06-03 15:59 ` [PATCH v7 09/13] perf stat: implement control commands handling Alexey Budankov
2020-06-03 15:59 ` [PATCH v7 10/13] perf stat: introduce --ctl-fd[-ack] options Alexey Budankov
2020-06-03 16:00 ` [PATCH v7 11/13] perf record: extend -D,--delay option with -1 value Alexey Budankov
2020-06-03 16:01 ` [PATCH v7 12/13] perf record: implement control commands handling Alexey Budankov
2020-06-03 16:02 ` [PATCH v7 13/13] perf record: introduce --ctl-fd[-ack] options Alexey Budankov
2020-06-05  7:47 ` [PATCH v7 00/13] perf: support enable and disable commands in stat and record modes Alexey Budankov

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20200623145450.GF2619137@krava \
    --to=jolsa@redhat.com \
    --cc=acme@kernel.org \
    --cc=ak@linux.intel.com \
    --cc=alexander.shishkin@linux.intel.com \
    --cc=alexey.budankov@linux.intel.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mingo@redhat.com \
    --cc=namhyung@kernel.org \
    --cc=peterz@infradead.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).