perf session: Event statistics also are per session

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <1260810361-22828-1-git-send-email-acme@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

6 files changed, 10 insertions, 15 deletions

diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c
index 1f1341f1dd84..fa833f50763e 100644
--- a/tools/perf/builtin-annotate.c
+++ b/tools/perf/builtin-annotate.c
@@ -487,7 +487,7 @@ static int __cmd_annotate(void)
                 dsos__fprintf(stdout);
 
         perf_session__collapse_resort(session);
-        perf_session__output_resort(session, event__total[0]);
+        perf_session__output_resort(session, session->event_total[0]);
         perf_session__find_annotations(session);
 out_delete:
         perf_session__delete(session);
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index 142c475f9918..d12ea4ab0d21 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -619,8 +619,7 @@ static int process_sample_event(event_t *event, struct perf_session *session)
                 return -1;
         }
 
-        event__stats.total += data.period;
-
+        session->events_stats.total += data.period;
         return 0;
 }
 
@@ -731,8 +730,8 @@ static int __cmd_report(void)
                 dsos__fprintf(stdout);
 
         perf_session__collapse_resort(session);
-        perf_session__output_resort(session, event__stats.total);
-        perf_session__fprintf_hist_entries(session, event__stats.total, stdout);
+        perf_session__output_resort(session, session->events_stats.total);
+        perf_session__fprintf_hist_entries(session, session->events_stats.total, stdout);
 
         if (show_threads)
                 perf_read_values_destroy(&show_threads_values);
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index 9ee976dc395b..07da66511bd5 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -96,8 +96,8 @@ static int process_sample_event(event_t *event, struct perf_session *session)
                                              data.raw_size,
                                              data.time, thread->comm);
         }
-        event__stats.total += data.period;
 
+        session->events_stats.total += data.period;
         return 0;
 }
 
diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c
index 222efb1fc3bd..375fb6dca1cf 100644
--- a/tools/perf/util/event.c
+++ b/tools/perf/util/event.c
@@ -187,8 +187,6 @@ void event__synthesize_threads(int (*process)(event_t *event,
         closedir(proc);
 }
 
-struct events_stats event__stats;
-
 int event__process_comm(event_t *self, struct perf_session *session)
 {
         struct thread *thread = perf_session__findnew(session, self->comm.pid);
@@ -203,10 +201,10 @@ int event__process_comm(event_t *self, struct perf_session *session)
         return 0;
 }
 
-int event__process_lost(event_t *self, struct perf_session *session __used)
+int event__process_lost(event_t *self, struct perf_session *session)
 {
         dump_printf(": id:%Ld: lost:%Ld\n", self->lost.id, self->lost.lost);
-        event__stats.lost += self->lost.lost;
+        session->events_stats.lost += self->lost.lost;
         return 0;
 }
 
diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h
index 035ecf3c25cc..a92e0b039a6a 100644
--- a/tools/perf/util/event.h
+++ b/tools/perf/util/event.h
@@ -168,11 +168,6 @@ void event__synthesize_threads(int (*process)(event_t *event,
                                               struct perf_session *session),
                                struct perf_session *session);
 
-extern char *event__cwd;
-extern int  event__cwdlen;
-extern struct events_stats event__stats;
-extern unsigned long event__total[PERF_RECORD_MAX];
-
 int event__process_comm(event_t *self, struct perf_session *session);
 int event__process_lost(event_t *self, struct perf_session *session);
 int event__process_mmap(event_t *self, struct perf_session *session);
diff --git a/tools/perf/util/session.h b/tools/perf/util/session.h
index 4e8a21c5304c..bdfc4b8eee7a 100644
--- a/tools/perf/util/session.h
+++ b/tools/perf/util/session.h
@@ -5,6 +5,7 @@
 #include "header.h"
 #include "thread.h"
 #include <linux/rbtree.h>
+#include "../../../include/linux/perf_event.h"
 
 struct ip_callchain;
 struct thread;
@@ -18,6 +19,8 @@ struct perf_session {
         struct map_groups       kmaps;
         struct rb_root          threads;
         struct thread           *last_match;
+        struct events_stats     events_stats;
+        unsigned long           event_total[PERF_RECORD_MAX];
         struct rb_root          hists;
         u64                     sample_type;
         int                     fd;