perf session: Share the common trace sample_check routine as perf_session__has_traces
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <1261957026-15580-5-git-send-email-acme@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/tools/perf/builtin-kmem.c b/tools/perf/builtin-kmem.c
index fc21ad7..a85936f 100644
--- a/tools/perf/builtin-kmem.c
+++ b/tools/perf/builtin-kmem.c
@@ -342,22 +342,10 @@
return 0;
}
-static int sample_type_check(struct perf_session *session)
-{
- if (!(session->sample_type & PERF_SAMPLE_RAW)) {
- fprintf(stderr,
- "No trace sample to read. Did you call perf record "
- "without -R?");
- return -1;
- }
-
- return 0;
-}
-
static struct perf_event_ops event_ops = {
.process_sample_event = process_sample_event,
.process_comm_event = event__process_comm,
- .sample_type_check = sample_type_check,
+ .sample_type_check = perf_session__has_traces,
};
static double fragmentation(unsigned long n_req, unsigned long n_alloc)
diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c
index 80209df..d65098c 100644
--- a/tools/perf/builtin-sched.c
+++ b/tools/perf/builtin-sched.c
@@ -1653,23 +1653,11 @@
return 0;
}
-static int sample_type_check(struct perf_session *session __used)
-{
- if (!(session->sample_type & PERF_SAMPLE_RAW)) {
- fprintf(stderr,
- "No trace sample to read. Did you call perf record "
- "without -R?");
- return -1;
- }
-
- return 0;
-}
-
static struct perf_event_ops event_ops = {
.process_sample_event = process_sample_event,
.process_comm_event = event__process_comm,
.process_lost_event = process_lost_event,
- .sample_type_check = sample_type_check,
+ .sample_type_check = perf_session__has_traces,
};
static int read_events(void)
diff --git a/tools/perf/builtin-timechart.c b/tools/perf/builtin-timechart.c
index a589a43..b42f337 100644
--- a/tools/perf/builtin-timechart.c
+++ b/tools/perf/builtin-timechart.c
@@ -1029,23 +1029,12 @@
}
}
-static int sample_type_check(struct perf_session *session)
-{
- if (!(session->sample_type & PERF_SAMPLE_RAW)) {
- fprintf(stderr, "No trace samples found in the file.\n"
- "Have you used 'perf timechart record' to record it?\n");
- return -1;
- }
-
- return 0;
-}
-
static struct perf_event_ops event_ops = {
.process_comm_event = process_comm_event,
.process_fork_event = process_fork_event,
.process_exit_event = process_exit_event,
.process_sample_event = queue_sample_event,
- .sample_type_check = sample_type_check,
+ .sample_type_check = perf_session__has_traces,
};
static int __cmd_timechart(void)
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index 574a215..b0ba2ac 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -103,22 +103,10 @@
return 0;
}
-static int sample_type_check(struct perf_session *session)
-{
- if (!(session->sample_type & PERF_SAMPLE_RAW)) {
- fprintf(stderr,
- "No trace sample to read. Did you call perf record "
- "without -R?");
- return -1;
- }
-
- return 0;
-}
-
static struct perf_event_ops event_ops = {
.process_sample_event = process_sample_event,
.process_comm_event = event__process_comm,
- .sample_type_check = sample_type_check,
+ .sample_type_check = perf_session__has_traces,
};
static int __cmd_trace(struct perf_session *session)
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index 736d4fd..60eab8b 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -393,3 +393,14 @@
out_err:
return err;
}
+
+int perf_session__has_traces(struct perf_session *self)
+{
+ if (!(self->sample_type & PERF_SAMPLE_RAW)) {
+ pr_err("No trace sample to read. Did you call perf record "
+ "without -R?");
+ return -1;
+ }
+
+ return 0;
+}
diff --git a/tools/perf/util/session.h b/tools/perf/util/session.h
index 32eaa1b..a6951d2 100644
--- a/tools/perf/util/session.h
+++ b/tools/perf/util/session.h
@@ -56,6 +56,8 @@
struct ip_callchain *chain,
struct symbol **parent);
+int perf_session__has_traces(struct perf_session *self);
+
int perf_header__read_build_ids(int input, u64 offset, u64 file_size);
#endif /* __PERF_SESSION_H */