diff options
Diffstat (limited to 'tools/perf/builtin-kmem.c')
-rw-r--r-- | tools/perf/builtin-kmem.c | 41 |
1 files changed, 19 insertions, 22 deletions
diff --git a/tools/perf/builtin-kmem.c b/tools/perf/builtin-kmem.c index de194958fe6e..e79ecbc17181 100644 --- a/tools/perf/builtin-kmem.c +++ b/tools/perf/builtin-kmem.c @@ -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[] = { |