perf tools: Rename 'struct sample_data' to 'struct perf_sample'

Making the namespace more uniform.

Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index 7f92ab7..d923127 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -997,7 +997,7 @@
 }
 
 static void event__process_sample(const event_t *self,
-				  struct sample_data *sample,
+				  struct perf_sample *sample,
 				  struct perf_session *session)
 {
 	u64 ip = self->ip.ip;
@@ -1107,7 +1107,7 @@
 
 static void perf_session__mmap_read_cpu(struct perf_session *self, int cpu)
 {
-	struct sample_data sample;
+	struct perf_sample sample;
 	event_t *event;
 
 	while ((event = perf_evlist__read_on_cpu(evsel_list, cpu)) != NULL) {