On 13.07.2020 6:13, Namhyung Kim wrote: > Hello, > > On Wed, Jul 8, 2020 at 4:47 PM Alexey Budankov > <alexey.budan...@linux.intel.com> wrote: >> >> >> Define and initialize control file descriptors. >> >> Signed-off-by: Alexey Budankov <alexey.budan...@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 bcbe0cb8482e..36eb50aba1f5 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; > > Could you please add brief descriptions for each field > in the comment? It's not obvious to me other than fd.
Ok. In v11. Alexei