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Diffstat (limited to 'tools/perf/builtin-record.c')
-rw-r--r--tools/perf/builtin-record.c91
1 files changed, 60 insertions, 31 deletions
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index bf4ca749d1ac..22ebeb92ac51 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -45,6 +45,7 @@
#include <errno.h>
#include <inttypes.h>
+#include <locale.h>
#include <poll.h>
#include <unistd.h>
#include <sched.h>
@@ -70,7 +71,6 @@ struct record {
struct auxtrace_record *itr;
struct perf_evlist *evlist;
struct perf_session *session;
- const char *progname;
int realtime_prio;
bool no_buildid;
bool no_buildid_set;
@@ -273,6 +273,24 @@ static void record__read_auxtrace_snapshot(struct record *rec)
}
}
+static int record__auxtrace_init(struct record *rec)
+{
+ int err;
+
+ if (!rec->itr) {
+ rec->itr = auxtrace_record__init(rec->evlist, &err);
+ if (err)
+ return err;
+ }
+
+ err = auxtrace_parse_snapshot_options(rec->itr, &rec->opts,
+ rec->opts.auxtrace_snapshot_opts);
+ if (err)
+ return err;
+
+ return auxtrace_parse_filters(rec->evlist);
+}
+
#else
static inline
@@ -293,6 +311,11 @@ int auxtrace_record__snapshot_start(struct auxtrace_record *itr __maybe_unused)
return 0;
}
+static int record__auxtrace_init(struct record *rec __maybe_unused)
+{
+ return 0;
+}
+
#endif
static int record__mmap_evlist(struct record *rec,
@@ -509,7 +532,7 @@ static int record__mmap_read_evlist(struct record *rec, struct perf_evlist *evli
struct auxtrace_mmap *mm = &maps[i].auxtrace_mmap;
if (maps[i].base) {
- if (perf_mmap__push(&maps[i], overwrite, rec, record__pushfn) != 0) {
+ if (perf_mmap__push(&maps[i], rec, record__pushfn) != 0) {
rc = -1;
goto out;
}
@@ -731,13 +754,10 @@ static int record__synthesize(struct record *rec, bool tail)
return 0;
if (data->is_pipe) {
- err = perf_event__synthesize_features(
- tool, session, rec->evlist, process_synthesized_event);
- if (err < 0) {
- pr_err("Couldn't synthesize features.\n");
- return err;
- }
-
+ /*
+ * We need to synthesize events first, because some
+ * features works on top of them (on report side).
+ */
err = perf_event__synthesize_attrs(tool, session,
process_synthesized_event);
if (err < 0) {
@@ -745,6 +765,13 @@ static int record__synthesize(struct record *rec, bool tail)
goto out;
}
+ err = perf_event__synthesize_features(tool, session, rec->evlist,
+ process_synthesized_event);
+ if (err < 0) {
+ pr_err("Couldn't synthesize features.\n");
+ return err;
+ }
+
if (have_tracepoints(&rec->evlist->entries)) {
/*
* FIXME err <= 0 here actually means that
@@ -830,7 +857,6 @@ static int __cmd_record(struct record *rec, int argc, const char **argv)
int status = 0;
unsigned long waking = 0;
const bool forks = argc > 0;
- struct machine *machine;
struct perf_tool *tool = &rec->tool;
struct record_opts *opts = &rec->opts;
struct perf_data *data = &rec->data;
@@ -838,8 +864,6 @@ static int __cmd_record(struct record *rec, int argc, const char **argv)
bool disabled = false, draining = false;
int fd;
- rec->progname = argv[0];
-
atexit(record__sig_exit);
signal(SIGCHLD, sig_handler);
signal(SIGINT, sig_handler);
@@ -881,6 +905,15 @@ static int __cmd_record(struct record *rec, int argc, const char **argv)
}
}
+ /*
+ * If we have just single event and are sending data
+ * through pipe, we need to force the ids allocation,
+ * because we synthesize event name through the pipe
+ * and need the id for that.
+ */
+ if (data->is_pipe && rec->evlist->nr_entries == 1)
+ rec->opts.sample_id = true;
+
if (record__open(rec) != 0) {
err = -1;
goto out_child;
@@ -926,8 +959,6 @@ static int __cmd_record(struct record *rec, int argc, const char **argv)
goto out_child;
}
- machine = &session->machines.host;
-
err = record__synthesize(rec, false);
if (err < 0)
goto out_child;
@@ -955,6 +986,7 @@ static int __cmd_record(struct record *rec, int argc, const char **argv)
* Let the child rip
*/
if (forks) {
+ struct machine *machine = &session->machines.host;
union perf_event *event;
pid_t tgid;
@@ -1251,10 +1283,12 @@ static int perf_record_config(const char *var, const char *value, void *cb)
return -1;
return 0;
}
- if (!strcmp(var, "record.call-graph"))
- var = "call-graph.record-mode"; /* fall-through */
+ if (!strcmp(var, "record.call-graph")) {
+ var = "call-graph.record-mode";
+ return perf_default_config(var, value, cb);
+ }
- return perf_default_config(var, value, cb);
+ return 0;
}
struct clockid_map {
@@ -1542,7 +1576,11 @@ static struct option __record_options[] = {
OPT_BOOLEAN(0, "tail-synthesize", &record.opts.tail_synthesize,
"synthesize non-sample events at the end of output"),
OPT_BOOLEAN(0, "overwrite", &record.opts.overwrite, "use overwrite mode"),
- OPT_UINTEGER('F', "freq", &record.opts.user_freq, "profile at this frequency"),
+ OPT_BOOLEAN(0, "strict-freq", &record.opts.strict_freq,
+ "Fail if the specified frequency can't be used"),
+ OPT_CALLBACK('F', "freq", &record.opts, "freq or 'max'",
+ "profile at this frequency",
+ record__parse_freq),
OPT_CALLBACK('m', "mmap-pages", &record.opts, "pages[,pages]",
"number of mmap data pages and AUX area tracing mmap pages",
record__parse_mmap_pages),
@@ -1651,6 +1689,8 @@ int cmd_record(int argc, const char **argv)
struct record *rec = &record;
char errbuf[BUFSIZ];
+ setlocale(LC_ALL, "");
+
#ifndef HAVE_LIBBPF_SUPPORT
# define set_nobuild(s, l, c) set_option_nobuild(record_options, s, l, "NO_LIBBPF=1", c)
set_nobuild('\0', "clang-path", true);
@@ -1711,17 +1751,6 @@ int cmd_record(int argc, const char **argv)
alarm(rec->switch_output.time);
}
- if (!rec->itr) {
- rec->itr = auxtrace_record__init(rec->evlist, &err);
- if (err)
- goto out;
- }
-
- err = auxtrace_parse_snapshot_options(rec->itr, &rec->opts,
- rec->opts.auxtrace_snapshot_opts);
- if (err)
- goto out;
-
/*
* Allow aliases to facilitate the lookup of symbols for address
* filters. Refer to auxtrace_parse_filters().
@@ -1730,7 +1759,7 @@ int cmd_record(int argc, const char **argv)
symbol__init(NULL);
- err = auxtrace_parse_filters(rec->evlist);
+ err = record__auxtrace_init(rec);
if (err)
goto out;
@@ -1803,7 +1832,7 @@ int cmd_record(int argc, const char **argv)
err = target__validate(&rec->opts.target);
if (err) {
target__strerror(&rec->opts.target, err, errbuf, BUFSIZ);
- ui__warning("%s", errbuf);
+ ui__warning("%s\n", errbuf);
}
err = target__parse_uid(&rec->opts.target);