[PATCH] perf tools: Consolidate close_control_option()'s into one function

Adrian Hunter
2020-09-03T12:43:46Z

Consolidate control option fifo closing into one function.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
---

This patch is on top of patch:
"perf tools: Add FIFO file names as alternative options to --control"

tools/perf/builtin-record.c | 12 +-----------
tools/perf/builtin-stat.c | 12 +-----------
tools/perf/util/evlist.c | 10 ++++++++++
tools/perf/util/evlist.h | 1 +
4 files changed, 13 insertions(+), 22 deletions(-)

diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 476b34ff3152..9db3901e6561 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -2253,16 +2253,6 @@ static int parse_control_option(const struct option *opt,
return evlist__parse_control(str, &opts->ctl_fd, &opts->ctl_fd_ack, &opts->ctl_fd_close);
}

-static void close_control_option(struct record_opts *opts)
-{
- if (opts->ctl_fd_close) {
- opts->ctl_fd_close = false;
- close(opts->ctl_fd);
- if (opts->ctl_fd_ack >= 0)
- close(opts->ctl_fd_ack);
- }
-}
-
static void switch_output_size_warn(struct record *rec)
{
u64 wakeup_size = evlist__mmap_size(rec->opts.mmap_pages);
@@ -2849,7 +2839,7 @@ int cmd_record(int argc, const char **argv)
symbol__exit();
auxtrace_record__free(rec->itr);
out_opts:
- close_control_option(&rec->opts);
+ evlist__close_control(rec->opts.ctl_fd, rec->opts.ctl_fd_ack, &rec->opts.ctl_fd_close);
return err;
}

diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index 21424ed0734b..68d4bdf15635 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -1051,16 +1051,6 @@ static int parse_control_option(const struct option *opt,
return evlist__parse_control(str, &config->ctl_fd, &config->ctl_fd_ack, &config->ctl_fd_close);
}

-static void close_control_option(struct perf_stat_config *config)
-{
- if (config->ctl_fd_close) {
- config->ctl_fd_close = false;
- close(config->ctl_fd);
- if (config->ctl_fd_ack >= 0)
- close(config->ctl_fd_ack);
- }
-}
-
static struct option stat_options[] = {
OPT_BOOLEAN('T', "transaction", &transaction_run,
"hardware transaction statistics"),
@@ -2408,7 +2398,7 @@ int cmd_stat(int argc, const char **argv)

metricgroup__rblist_exit(&stat_config.metric_events);
runtime_stat_delete(&stat_config);
- close_control_option(&stat_config);
+ evlist__close_control(stat_config.ctl_fd, stat_config.ctl_fd_ack, &stat_config.ctl_fd_close);

return status;
}
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index e72ff7e78dec..ee7b576d3b12 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -1802,6 +1802,16 @@ int evlist__parse_control(const char *str, int *ctl_fd, int *ctl_fd_ack, bool *c
return 0;
}

+void evlist__close_control(int ctl_fd, int ctl_fd_ack, bool *ctl_fd_close)
+{
+ if (*ctl_fd_close) {
+ *ctl_fd_close = false;
+ close(ctl_fd);
+ if (ctl_fd_ack >= 0)
+ close(ctl_fd_ack);
+ }
+}
+
int evlist__initialize_ctlfd(struct evlist *evlist, int fd, int ack)
{
if (fd == -1) {
diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h
index 91d1da6e1fe3..bc38a53f6a1a 100644
--- a/tools/perf/util/evlist.h
+++ b/tools/perf/util/evlist.h
@@ -376,6 +376,7 @@ enum evlist_ctl_cmd {
};

int evlist__parse_control(const char *str, int *ctl_fd, int *ctl_fd_ack, bool *ctl_fd_close);
+void evlist__close_control(int ctl_fd, int ctl_fd_ack, bool *ctl_fd_close);
int evlist__initialize_ctlfd(struct evlist *evlist, int ctl_fd, int ctl_fd_ack);
int evlist__finalize_ctlfd(struct evlist *evlist);
bool evlist__ctlfd_initialized(struct evlist *evlist);
--
2.17.1