perf tools: Resolve machine earlier and pass it to perf_event_ops

Reducing the exposure of perf_session further, so that we can use the
classes in cases where no perf.data file is created.

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-stua66dcscsezzrcdugvbmvd@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/builtin-timechart.c b/tools/perf/builtin-timechart.c
index 62298a0..8e65396 100644
--- a/tools/perf/builtin-timechart.c
+++ b/tools/perf/builtin-timechart.c
@@ -277,7 +277,7 @@
 static int process_comm_event(struct perf_event_ops *ops __used,
 			      union perf_event *event,
 			      struct perf_sample *sample __used,
-			      struct perf_session *session __used)
+			      struct machine *machine __used)
 {
 	pid_set_comm(event->comm.tid, event->comm.comm);
 	return 0;
@@ -286,7 +286,7 @@
 static int process_fork_event(struct perf_event_ops *ops __used,
 			      union perf_event *event,
 			      struct perf_sample *sample __used,
-			      struct perf_session *session __used)
+			      struct machine *machine __used)
 {
 	pid_fork(event->fork.pid, event->fork.ppid, event->fork.time);
 	return 0;
@@ -295,7 +295,7 @@
 static int process_exit_event(struct perf_event_ops *ops __used,
 			      union perf_event *event,
 			      struct perf_sample *sample __used,
-			      struct perf_session *session __used)
+			      struct machine *machine __used)
 {
 	pid_exit(event->fork.pid, event->fork.time);
 	return 0;
@@ -494,7 +494,7 @@
 				union perf_event *event __used,
 				struct perf_sample *sample,
 				struct perf_evsel *evsel,
-				struct perf_session *session __used)
+				struct machine *machine __used)
 {
 	struct trace_entry *te;