1 files changed, 32 insertions, 43 deletions

diff --git a/tools/perf/builtin-kmem.c b/tools/perf/builtin-kmem.c
index 2071d24..93c67bf 100644
--- a/tools/perf/builtin-kmem.c
+++ b/tools/perf/builtin-kmem.c
@@ -12,7 +12,6 @@
 #include "util/trace-event.h"
 
 #include "util/debug.h"
-#include "util/data_map.h"
 
 #include <linux/rbtree.h>
 
@@ -21,8 +20,6 @@ typedef int (*sort_fn_t)(struct alloc_stat *, struct alloc_stat *);
 
 static char const		*input_name = "perf.data";
 
-static u64			sample_type;
-
 static int			alloc_flag;
 static int			caller_flag;
 
@@ -140,7 +137,7 @@ static void insert_alloc_stat(unsigned long call_site, unsigned long ptr,
 	if (data && data->ptr == ptr) {
 		data->hit++;
 		data->bytes_req += bytes_req;
-		data->bytes_alloc += bytes_req;
+		data->bytes_alloc += bytes_alloc;
 	} else {
 		data = malloc(sizeof(*data));
 		if (!data)
@@ -180,7 +177,7 @@ static void insert_caller_stat(unsigned long call_site,
 	if (data && data->call_site == call_site) {
 		data->hit++;
 		data->bytes_req += bytes_req;
-		data->bytes_alloc += bytes_req;
+		data->bytes_alloc += bytes_alloc;
 	} else {
 		data = malloc(sizeof(*data));
 		if (!data)
@@ -312,7 +309,7 @@ process_raw_event(event_t *raw_event __used, void *data,
 	}
 }
 
-static int process_sample_event(event_t *event)
+static int process_sample_event(event_t *event, struct perf_session *session)
 {
 	struct sample_data data;
 	struct thread *thread;
@@ -322,7 +319,7 @@ static int process_sample_event(event_t *event)
 	data.cpu = -1;
 	data.period = 1;
 
-	event__parse_sample(event, sample_type, &data);
+	event__parse_sample(event, session->sample_type, &data);
 
 	dump_printf("(IP, %d): %d/%d: %p period: %Ld\n",
 		event->header.misc,
@@ -330,7 +327,7 @@ static int process_sample_event(event_t *event)
 		(void *)(long)data.ip,
 		(long long)data.period);
 
-	thread = threads__findnew(event->ip.pid);
+	thread = perf_session__findnew(session, event->ip.pid);
 	if (thread == NULL) {
 		pr_debug("problem processing %d event, skipping it.\n",
 			 event->header.type);
@@ -345,11 +342,9 @@ static int process_sample_event(event_t *event)
 	return 0;
 }
 
-static int sample_type_check(u64 type)
+static int sample_type_check(struct perf_session *session)
 {
-	sample_type = type;
-
-	if (!(sample_type & PERF_SAMPLE_RAW)) {
+	if (!(session->sample_type & PERF_SAMPLE_RAW)) {
 		fprintf(stderr,
 			"No trace sample to read. Did you call perf record "
 			"without -R?");
@@ -359,28 +354,12 @@ static int sample_type_check(u64 type)
 	return 0;
 }
 
-static struct perf_file_handler file_handler = {
+static struct perf_event_ops event_ops = {
 	.process_sample_event	= process_sample_event,
 	.process_comm_event	= event__process_comm,
 	.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;
-
-	register_idle_thread();
-	register_perf_file_handler(&file_handler);
-
-	err = perf_session__process_events(session, 0, &event__cwdlen, &event__cwd);
-	perf_session__delete(session);
-	return err;
-}
-
 static double fragmentation(unsigned long n_req, unsigned long n_alloc)
 {
 	if (n_alloc == 0)
@@ -389,13 +368,14 @@ 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;
 
 	printf("%.102s\n", graph_dotted_line);
 	printf(" %-34s |",  is_caller ? "Callsite": "Alloc Ptr");
-	printf(" Total_alloc/Per | Total_req/Per   | Hit   | Ping-pong | Frag\n");
+	printf(" Total_alloc/Per | Total_req/Per   | Hit      | Ping-pong | Frag\n");
 	printf("%.102s\n", graph_dotted_line);
 
 	next = rb_first(root);
@@ -410,7 +390,7 @@ 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;
 
@@ -421,7 +401,7 @@ static void __print_result(struct rb_root *root, int n_lines, int is_caller)
 			snprintf(buf, sizeof(buf), "%#Lx", addr);
 		printf(" %-34s |", buf);
 
-		printf(" %9llu/%-5lu | %9llu/%-5lu | %6lu | %8lu | %6.3f%%\n",
+		printf(" %9llu/%-5lu | %9llu/%-5lu | %8lu | %8lu | %6.3f%%\n",
 		       (unsigned long long)data->bytes_alloc,
 		       (unsigned long)data->bytes_alloc / data->hit,
 		       (unsigned long long)data->bytes_req,
@@ -451,12 +431,12 @@ 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();
 }
 
@@ -524,12 +504,20 @@ static void sort_result(void)
 
 static int __cmd_kmem(void)
 {
+	int err;
+	struct perf_session *session = perf_session__new(input_name, O_RDONLY, 0);
+	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[] = {
@@ -778,13 +766,13 @@ static int __cmd_record(int argc, const char **argv)
 
 int cmd_kmem(int argc, const char **argv, const char *prefix __used)
 {
-	symbol__init(0);
-
 	argc = parse_options(argc, argv, kmem_options, kmem_usage, 0);
 
 	if (!argc)
 		usage_with_options(kmem_usage, kmem_options);
 
+	symbol__init();
+
 	if (!strncmp(argv[0], "rec", 3)) {
 		return __cmd_record(argc, argv);
 	} else if (!strcmp(argv[0], "stat")) {
@@ -796,7 +784,8 @@ int cmd_kmem(int argc, const char **argv, const char *prefix __used)
 			setup_sorting(&alloc_sort, default_sort_order);
 
 		return __cmd_kmem();
-	}
+	} else
+		usage_with_options(kmem_usage, kmem_options);
 
 	return 0;
 }