perf tools: Pass tool context in the the perf_event_ops functions

So that we don't need to have that many globals.

Next steps will remove the 'session' pointer, that in most cases is
not needed.

Then we can rename perf_event_ops to 'perf_tool' that better describes
this class hierarchy.

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-wp4djox7x6w1i2bab1pt4xxp@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 18 insertions, 9 deletions

diff --git a/tools/perf/util/header.h b/tools/perf/util/header.h
index 0a88982bc39..54dae5f0955 100644
--- a/tools/perf/util/header.h
+++ b/tools/perf/util/header.h
@@ -68,6 +68,7 @@ struct perf_header {
 };
 
 struct perf_evlist;
+struct perf_session;
 
 int perf_session__read_header(struct perf_session *session, int fd);
 int perf_session__write_header(struct perf_session *session,
@@ -96,32 +97,40 @@ int build_id_cache__add_s(const char *sbuild_id, const char *debugdir,
 			  const char *name, bool is_kallsyms);
 int build_id_cache__remove_s(const char *sbuild_id, const char *debugdir);
 
-int perf_event__synthesize_attr(struct perf_event_attr *attr, u16 ids, u64 *id,
+int perf_event__synthesize_attr(struct perf_event_ops *ops,
+				struct perf_event_attr *attr, u16 ids, u64 *id,
 				perf_event__handler_t process,
 				struct perf_session *session);
-int perf_session__synthesize_attrs(struct perf_session *session,
-				   perf_event__handler_t process);
+int perf_event__synthesize_attrs(struct perf_event_ops *ops,
+				 struct perf_session *session,
+				 perf_event__handler_t process);
 int perf_event__process_attr(union perf_event *event, struct perf_evlist **pevlist);
 
-int perf_event__synthesize_event_type(u64 event_id, char *name,
+int perf_event__synthesize_event_type(struct perf_event_ops *ops,
+				      u64 event_id, char *name,
 				      perf_event__handler_t process,
 				      struct perf_session *session);
-int perf_event__synthesize_event_types(perf_event__handler_t process,
+int perf_event__synthesize_event_types(struct perf_event_ops *ops,
+				       perf_event__handler_t process,
 				       struct perf_session *session);
-int perf_event__process_event_type(union perf_event *event,
+int perf_event__process_event_type(struct perf_event_ops *ops,
+				   union perf_event *event,
 				   struct perf_session *session);
 
-int perf_event__synthesize_tracing_data(int fd, struct perf_evlist *evlist,
+int perf_event__synthesize_tracing_data(struct perf_event_ops *ops,
+					int fd, struct perf_evlist *evlist,
 					perf_event__handler_t process,
 					struct perf_session *session);
 int perf_event__process_tracing_data(union perf_event *event,
 				     struct perf_session *session);
 
-int perf_event__synthesize_build_id(struct dso *pos, u16 misc,
+int perf_event__synthesize_build_id(struct perf_event_ops *ops,
+				    struct dso *pos, u16 misc,
 				    perf_event__handler_t process,
 				    struct machine *machine,
 				    struct perf_session *session);
-int perf_event__process_build_id(union perf_event *event,
+int perf_event__process_build_id(struct perf_event_ops *ops,
+				 union perf_event *event,
 				 struct perf_session *session);
 
 /*