perf session: Move kmaps to perf_session
[pandora-kernel.git] / tools / perf / builtin-kmem.c
index de19495..e79ecbc 100644 (file)
@@ -364,19 +364,6 @@ static struct perf_event_ops event_ops = {
        .sample_type_check      = sample_type_check,
 };
 
-static int read_events(void)
-{
-       int err;
-       struct perf_session *session = perf_session__new(input_name, O_RDONLY, 0);
-
-       if (session == NULL)
-               return -ENOMEM;
-
-       err = perf_session__process_events(session, &event_ops);
-       perf_session__delete(session);
-       return err;
-}
-
 static double fragmentation(unsigned long n_req, unsigned long n_alloc)
 {
        if (n_alloc == 0)
@@ -385,7 +372,8 @@ static double fragmentation(unsigned long n_req, unsigned long n_alloc)
                return 100.0 - (100.0 * n_req / n_alloc);
 }
 
-static void __print_result(struct rb_root *root, int n_lines, int is_caller)
+static void __print_result(struct rb_root *root, struct perf_session *session,
+                          int n_lines, int is_caller)
 {
        struct rb_node *next;
 
@@ -406,7 +394,7 @@ static void __print_result(struct rb_root *root, int n_lines, int is_caller)
                if (is_caller) {
                        addr = data->call_site;
                        if (!raw_ip)
-                               sym = map_groups__find_function(kmaps, addr, NULL);
+                               sym = map_groups__find_function(&session->kmaps, session, addr, NULL);
                } else
                        addr = data->ptr;
 
@@ -447,12 +435,12 @@ static void print_summary(void)
        printf("Cross CPU allocations: %lu/%lu\n", nr_cross_allocs, nr_allocs);
 }
 
-static void print_result(void)
+static void print_result(struct perf_session *session)
 {
        if (caller_flag)
-               __print_result(&root_caller_sorted, caller_lines, 1);
+               __print_result(&root_caller_sorted, session, caller_lines, 1);
        if (alloc_flag)
-               __print_result(&root_alloc_sorted, alloc_lines, 0);
+               __print_result(&root_alloc_sorted, session, alloc_lines, 0);
        print_summary();
 }
 
@@ -520,12 +508,21 @@ static void sort_result(void)
 
 static int __cmd_kmem(void)
 {
+       int err;
+       struct perf_session *session = perf_session__new(input_name, O_RDONLY,
+                                                        0, NULL);
+       if (session == NULL)
+               return -ENOMEM;
+
        setup_pager();
-       read_events();
+       err = perf_session__process_events(session, &event_ops);
+       if (err != 0)
+               goto out_delete;
        sort_result();
-       print_result();
-
-       return 0;
+       print_result(session);
+out_delete:
+       perf_session__delete(session);
+       return err;
 }
 
 static const char * const kmem_usage[] = {