perf tools: Rename perf_event_ops to perf_tool

To better reflect that it became the base class for all tools, that must
be in each tool struct and where common stuff will be put.

Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-qgpc4msetqlwr8y2k7537cxe@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/util/build-id.c b/tools/perf/util/build-id.c
index 2f84c48..dff9c7a 100644
--- a/tools/perf/util/build-id.c
+++ b/tools/perf/util/build-id.c
@@ -14,8 +14,9 @@
 #include <linux/kernel.h>
 #include "debug.h"
 #include "session.h"
+#include "tool.h"
 
-static int build_id__mark_dso_hit(struct perf_event_ops *ops __used,
+static int build_id__mark_dso_hit(struct perf_tool *tool __used,
 				  union perf_event *event,
 				  struct perf_sample *sample __used,
 				  struct perf_evsel *evsel __used,
@@ -40,7 +41,7 @@
 	return 0;
 }
 
-static int perf_event__exit_del_thread(struct perf_event_ops *ops __used,
+static int perf_event__exit_del_thread(struct perf_tool *tool __used,
 				       union perf_event *event,
 				       struct perf_sample *sample __used,
 				       struct machine *machine)
@@ -59,7 +60,7 @@
 	return 0;
 }
 
-struct perf_event_ops build_id__mark_dso_hit_ops = {
+struct perf_tool build_id__mark_dso_hit_ops = {
 	.sample	= build_id__mark_dso_hit,
 	.mmap	= perf_event__process_mmap,
 	.fork	= perf_event__process_task,