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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>
hifive-unleashed-5.1
Jiri Olsa 2017-01-09 10:51:56 +01:00 committed by Arnaldo Carvalho de Melo
parent 9808143ba2
commit 1b43b70484
1 changed files with 10 additions and 6 deletions
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16
tools/perf/builtin-record.c
View File

@ -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