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    Subject[PATCH v3 1/9] perf evlist: introduce control file descriptors
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    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
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