[PATCH v2 01/11] perf evlist: introduce control file descriptors

Alexey Budankov
2020-05-06T18:18:22Z

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 0a0b760d6948..2db4bedc4f81 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