perf record: Add struct switch_output

Next patches will add more --switch-output option arguments,
so preparing the data holder.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Acked-by: Wang Nan <wangnan0@huawei.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1483955520-29063-3-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 10 insertions, 6 deletions

diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 4ec10e9427d9..f7e805b30527 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -46,6 +46,10 @@
 #include <asm/bug.h>
 #include <linux/time64.h>
 
+struct switch_output {
+        bool             signal;
+};
+
 struct record {
         struct perf_tool        tool;
         struct record_opts      opts;
@@ -62,7 +66,7 @@ struct record {
         bool                    no_buildid_cache_set;
         bool                    buildid_all;
         bool                    timestamp_filename;
-        bool                    switch_output;
+        struct switch_output    switch_output;
         unsigned long long      samples;
 };
 
@@ -842,11 +846,11 @@ static int __cmd_record(struct record *rec, int argc, const char **argv)
         signal(SIGTERM, sig_handler);
         signal(SIGSEGV, sigsegv_handler);
 
-        if (rec->opts.auxtrace_snapshot_mode || rec->switch_output) {
+        if (rec->opts.auxtrace_snapshot_mode || rec->switch_output.signal) {
                 signal(SIGUSR2, snapshot_sig_handler);
                 if (rec->opts.auxtrace_snapshot_mode)
                         trigger_on(&auxtrace_snapshot_trigger);
-                if (rec->switch_output)
+                if (rec->switch_output.signal)
                         trigger_on(&switch_output_trigger);
         } else {
                 signal(SIGUSR2, SIG_IGN);
@@ -1519,7 +1523,7 @@ static struct option __record_options[] = {
                     "Record build-id of all DSOs regardless of hits"),
         OPT_BOOLEAN(0, "timestamp-filename", &record.timestamp_filename,
                     "append timestamp to output filename"),
-        OPT_BOOLEAN(0, "switch-output", &record.switch_output,
+        OPT_BOOLEAN(0, "switch-output", &record.switch_output.signal,
                     "Switch output when receive SIGUSR2"),
         OPT_BOOLEAN(0, "dry-run", &dry_run,
                     "Parse options then exit"),
@@ -1578,7 +1582,7 @@ int cmd_record(int argc, const char **argv, const char *prefix __maybe_unused)
                 return -EINVAL;
         }
 
-        if (rec->switch_output)
+        if (rec->switch_output.signal)
                 rec->timestamp_filename = true;
 
         if (!rec->itr) {
@@ -1629,7 +1633,7 @@ int cmd_record(int argc, const char **argv, const char *prefix __maybe_unused)
 
         if (rec->no_buildid_cache || rec->no_buildid) {
                 disable_buildid_cache();
-        } else if (rec->switch_output) {
+        } else if (rec->switch_output.signal) {
                 /*
                  * In 'perf record --switch-output', disable buildid
                  * generation by default to reduce data file switching