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From: Alexey Budankov <alexey.budankov@linux.intel.com>
To: Arnaldo Carvalho de Melo <acme@redhat.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: [PATCH v3 1/9] perf evlist: introduce control file descriptors
Date: Wed, 13 May 2020 10:59:00 +0300	[thread overview]
Message-ID: <3a1ed73d-6d11-eeb1-0897-476c5367369d@linux.intel.com> (raw)
In-Reply-To: <eb38e9e5-754f-d410-1d9b-e26b702d51b7@linux.intel.com>


Define and initialize control file descriptors.

Signed-off-by: Alexey Budankov <alexey.budankov@linux.intel.com>
---
 tools/perf/util/evlist.c | 3 +++
 tools/perf/util/evlist.h | 3 +++
 2 files changed, 6 insertions(+)

diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index 2a9de6491700..aa61619fa304 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -63,6 +63,9 @@ void evlist__init(struct evlist *evlist, struct perf_cpu_map *cpus,
 	perf_evlist__set_maps(&evlist->core, cpus, threads);
 	evlist->workload.pid = -1;
 	evlist->bkw_mmap_state = BKW_MMAP_NOTREADY;
+	evlist->ctl_fd = -1;
+	evlist->ctl_fd_ack = -1;
+	evlist->ctl_fd_pos = -1;
 }
 
 struct evlist *evlist__new(void)
diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h
index b6f325dfb4d2..62f259d89b41 100644
--- a/tools/perf/util/evlist.h
+++ b/tools/perf/util/evlist.h
@@ -74,6 +74,9 @@ struct evlist {
 		pthread_t		th;
 		volatile int		done;
 	} thread;
+	int		ctl_fd;
+	int		ctl_fd_ack;
+	int		ctl_fd_pos;
 };
 
 struct evsel_str_handler {
-- 
2.24.1


  reply	other threads:[~2020-05-13  7:59 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-13  7:53 [PATCH v3 0/9] perf: support enable and disable commands in stat and record modes Alexey Budankov
2020-05-13  7:59 ` Alexey Budankov [this message]
2020-05-20 12:38   ` [PATCH v3 1/9] perf evlist: introduce control file descriptors Jiri Olsa
2020-05-20 14:46     ` Alexey Budankov
2020-05-13  8:00 ` [PATCH v3 2/9] perf evlist: implement control command handling functions Alexey Budankov
2020-05-20 12:38   ` Jiri Olsa
2020-05-20 14:56     ` Alexey Budankov
2020-05-13  8:00 ` [PATCH v3 3/9] perf stat: factor out event handling loop into a function Alexey Budankov
2020-05-20 12:38   ` Jiri Olsa
2020-05-20 15:17     ` Alexey Budankov
2020-05-21 11:48       ` Jiri Olsa
2020-05-13  8:01 ` [PATCH v3 4/9] perf stat: extend -D,--delay option with -1 value Alexey Budankov
2020-05-13  8:02 ` [PATCH v3 5/9] perf stat: implement control commands handling Alexey Budankov
2020-05-13  8:03 ` [PATCH v3 6/9] perf stat: introduce --ctl-fd[-ack] options Alexey Budankov
2020-05-20 12:38   ` Jiri Olsa
2020-05-20 15:05     ` Alexey Budankov
2020-05-13  8:03 ` [PATCH v3 7/9] perf record: extend -D,--delay option with -1 value Alexey Budankov
2020-05-13  8:04 ` [PATCH v3 8/9] perf record: implement control commands handling Alexey Budankov
2020-05-20 12:38   ` Jiri Olsa
2020-05-20 18:06     ` Alexey Budankov
2020-05-13  8:05 ` [PATCH v3 9/9] perf record: introduce --ctl-fd[-ack] options Alexey Budankov
2020-05-20 12:38   ` Jiri Olsa
2020-05-20 15:21     ` Alexey Budankov
2020-05-18  8:08 ` [PATCH v3 0/9] perf: support enable and disable commands in stat and record modes Alexey Budankov
2020-05-20 10:55   ` Jiri Olsa
  -- strict thread matches above, loose matches on Subject: below --
2020-05-08 10:43 Alexey Budankov
2020-05-08 10:47 ` [PATCH v3 1/9] perf evlist: introduce control file descriptors Alexey Budankov

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