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, 22 insertions, 14 deletions

diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index 1fa97dd2120..ab3a2b0e8f0 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -2070,7 +2070,8 @@ out_delete_evlist:
         return -ENOMEM;
 }
 
-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)
 {
@@ -2094,21 +2095,22 @@ int perf_event__synthesize_attr(struct perf_event_attr *attr, u16 ids, u64 *id,
         ev->attr.header.type = PERF_RECORD_HEADER_ATTR;
         ev->attr.header.size = size;
 
-        err = process(ev, NULL, session);
+        err = process(ops, ev, NULL, session);
 
         free(ev);
 
         return err;
 }
 
-int perf_session__synthesize_attrs(struct perf_session *session,
+int perf_event__synthesize_attrs(struct perf_event_ops *ops,
+                                   struct perf_session *session,
                                    perf_event__handler_t process)
 {
         struct perf_evsel *attr;
         int err = 0;
 
         list_for_each_entry(attr, &session->evlist->entries, node) {
-                err = perf_event__synthesize_attr(&attr->attr, attr->ids,
+                err = perf_event__synthesize_attr(ops, &attr->attr, attr->ids,
                                                   attr->id, process, session);
                 if (err) {
                         pr_debug("failed to create perf header attribute\n");
@@ -2156,7 +2158,8 @@ int perf_event__process_attr(union perf_event *event,
         return 0;
 }
 
-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)
 {
@@ -2176,12 +2179,13 @@ int perf_event__synthesize_event_type(u64 event_id, char *name,
         ev.event_type.header.size = sizeof(ev.event_type) -
                 (sizeof(ev.event_type.event_type.name) - size);
 
-        err = process(&ev, NULL, session);
+        err = process(ops, &ev, NULL, session);
 
         return err;
 }
 
-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)
 {
         struct perf_trace_event_type *type;
@@ -2190,7 +2194,7 @@ int perf_event__synthesize_event_types(perf_event__handler_t process,
         for (i = 0; i < event_count; i++) {
                 type = &events[i];
 
-                err = perf_event__synthesize_event_type(type->event_id,
+                err = perf_event__synthesize_event_type(ops, type->event_id,
                                                         type->name, process,
                                                         session);
                 if (err) {
@@ -2202,7 +2206,8 @@ int perf_event__synthesize_event_types(perf_event__handler_t process,
         return err;
 }
 
-int perf_event__process_event_type(union perf_event *event,
+int perf_event__process_event_type(struct perf_event_ops *ops __unused,
+                                   union perf_event *event,
                                    struct perf_session *session __unused)
 {
         if (perf_header__push_event(event->event_type.event_type.event_id,
@@ -2212,7 +2217,8 @@ int perf_event__process_event_type(union perf_event *event,
         return 0;
 }
 
-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 __unused)
 {
@@ -2245,7 +2251,7 @@ int perf_event__synthesize_tracing_data(int fd, struct perf_evlist *evlist,
         ev.tracing_data.header.size = sizeof(ev.tracing_data);
         ev.tracing_data.size = aligned_size;
 
-        process(&ev, NULL, session);
+        process(ops, &ev, NULL, session);
 
         /*
          * The put function will copy all the tracing data
@@ -2287,7 +2293,8 @@ int perf_event__process_tracing_data(union perf_event *event,
         return size_read + padding;
 }
 
-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)
@@ -2310,12 +2317,13 @@ int perf_event__synthesize_build_id(struct dso *pos, u16 misc,
         ev.build_id.header.size = sizeof(ev.build_id) + len;
         memcpy(&ev.build_id.filename, pos->long_name, pos->long_name_len);
 
-        err = process(&ev, NULL, session);
+        err = process(ops, &ev, NULL, session);
 
         return err;
 }
 
-int perf_event__process_build_id(union perf_event *event,
+int perf_event__process_build_id(struct perf_event_ops *ops __used,
+                                 union perf_event *event,
                                  struct perf_session *session)
 {
         __event_process_build_id(&event->build_id,