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From: Alexey Budankov <alexey.budankov@linux.intel.com>
To: Arnaldo Carvalho de Melo <acme@kernel.org>, Jiri Olsa <jolsa@redhat.com>
Cc: 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 v9 04/15] perf evlist: introduce control file descriptors
Date: Fri, 3 Jul 2020 10:43:00 +0300	[thread overview]
Message-ID: <662b1c03-210a-1945-c02b-ac6c0445c7c7@linux.intel.com> (raw)
In-Reply-To: <a4d5db4a-f25c-38dc-1c41-321a886cb122@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 | 5 +++++
 2 files changed, 8 insertions(+)

diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index 7b1beffec6a1..ee545a122b52 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.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 38901c0d1599..2caf19fb87a8 100644
--- a/tools/perf/util/evlist.h
+++ b/tools/perf/util/evlist.h
@@ -74,6 +74,11 @@ struct evlist {
 		pthread_t		th;
 		volatile int		done;
 	} thread;
+	struct {
+		int	fd;
+		int	ack;
+		int	pos;
+	} ctl_fd;
 };
 
 struct evsel_str_handler {
-- 
2.24.1



  parent reply	other threads:[~2020-07-03  7:43 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-03  7:38 [PATCH v9 00/15] perf: support enable and disable commands in stat and record modes Alexey Budankov
2020-07-03  7:41 ` [PATCH v9 01/15] tools/libperf: avoid fds moving by fdarray__filter() Alexey Budankov
2020-07-03  7:41 ` [PATCH v9 02/15] tools/libperf: add properties to struct pollfd *entries objects Alexey Budankov
2020-07-06 12:24   ` Jiri Olsa
2020-07-06 13:05     ` Alexey Budankov
2020-07-03  7:42 ` [PATCH v9 03/15] tools/libperf: don't count nonfilterable fds by fdarray__filter() Alexey Budankov
2020-07-03  7:43 ` Alexey Budankov [this message]
2020-07-03  7:43 ` [PATCH v9 05/15] perf evlist: implement control command handling functions Alexey Budankov
2020-07-03  7:44 ` [PATCH v9 06/15] perf stat: factor out body of event handling loop for system wide Alexey Budankov
2020-07-03  7:45 ` [PATCH v9 07/15] perf stat: move target check to loop control statement Alexey Budankov
2020-07-03  7:45 ` [PATCH v9 08/15] perf stat: factor out body of event handling loop for fork case Alexey Budankov
2020-07-03  7:46 ` [PATCH v9 09/15] perf stat: factor out event handling loop into dispatch_events() Alexey Budankov
2020-07-06 12:27   ` Jiri Olsa
2020-07-06 13:07     ` Alexey Budankov
2020-07-03  7:46 ` [PATCH v9 10/15] perf stat: extend -D,--delay option with -1 value Alexey Budankov
2020-07-03  7:47 ` [PATCH v9 11/15] perf stat: implement control commands handling Alexey Budankov
2020-07-06 12:34   ` Jiri Olsa
2020-07-06 14:47     ` Alexey Budankov
2020-07-06 19:34       ` Jiri Olsa
2020-07-07 13:07         ` Alexey Budankov
2020-07-07 13:14           ` Jiri Olsa
2020-07-07 13:24             ` Alexey Budankov
2020-07-07 14:23               ` Jiri Olsa
2020-07-07 14:55                 ` Alexey Budankov
2020-07-07 16:05                   ` Jiri Olsa
2020-07-07 16:43                     ` Alexey Budankov
2020-07-07 17:19                   ` Alexey Budankov
2020-07-06 12:37   ` Jiri Olsa
2020-07-06 13:10     ` Alexey Budankov
2020-07-03  7:47 ` [PATCH v9 12/15] perf stat: introduce --control fd:ctl-fd[,ack-fd] options Alexey Budankov
2020-07-03  7:48 ` [PATCH v9 13/15] perf record: extend -D,--delay option with -1 value Alexey Budankov
2020-07-03  7:49 ` [PATCH v9 14/15] perf record: implement control commands handling Alexey Budankov
2020-07-03  7:49 ` [PATCH v9 15/15] perf record: introduce --control fd:ctl-fd[,ack-fd] options Alexey Budankov

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