Commit 1b43b704 authored by Jiri Olsa's avatar Jiri Olsa Committed by Arnaldo Carvalho de Melo

perf record: Add struct switch_output

Next patches will add more --switch-output option arguments,
so preparing the data holder.
Signed-off-by: default avatarJiri Olsa <jolsa@kernel.org>
Acked-by: default avatarWang 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.orgSigned-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 9808143b
......@@ -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
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment