---

yaml
---
r: 199116
b: refs/heads/master
c: ef365ce
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 915e555822629421d97f851c6b87bf4c314ed8c9
+refs/heads/master: ef365cefbc53d8674a18520a1d4c2e5590127299

trunk/kernel/perf_event.c

@@ -2933,7 +2933,7 @@ static void perf_output_put_handle(struct perf_output_handle *handle)
 	 */
 
 	if (!local_dec_and_test(&data->nest))
-		goto out;
+		return;
 
 	/*
 	 * Publish the known good head. Rely on the full barrier implied
@@ -2954,7 +2954,6 @@ static void perf_output_put_handle(struct perf_output_handle *handle)
 	if (handle->wakeup != local_read(&data->wakeup))
 		perf_output_wakeup(handle);
 
- out:
 	preempt_enable();
 }
 

trunk/tools/perf/builtin-record.c

@@ -65,9 +65,6 @@ static bool			multiplex			=  false;
 static int			multiplex_fd			=     -1;
 
 static long			samples				=      0;
-static struct timeval		last_read;
-static struct timeval		this_read;
-
 static u64			bytes_written			=      0;
 
 static struct pollfd		*event_array;
@@ -147,8 +144,6 @@ static void mmap_read(struct mmap_data *md)
 	void *buf;
 	int diff;
 
-	gettimeofday(&this_read, NULL);
-
 	/*
 	 * If we're further behind than half the buffer, there's a chance
 	 * the writer will bite our tail and mess up the samples under us.
@@ -159,23 +154,13 @@ static void mmap_read(struct mmap_data *md)
 	 */
 	diff = head - old;
 	if (diff < 0) {
-		struct timeval iv;
-		unsigned long msecs;
-
-		timersub(&this_read, &last_read, &iv);
-		msecs = iv.tv_sec*1000 + iv.tv_usec/1000;
-
-		fprintf(stderr, "WARNING: failed to keep up with mmap data."
-				"  Last read %lu msecs ago.\n", msecs);
-
+		fprintf(stderr, "WARNING: failed to keep up with mmap data\n");
 		/*
 		 * head points to a known good entry, start there.
 		 */
 		old = head;
 	}
 
-	last_read = this_read;
-
 	if (old != head)
 		samples++;
 

trunk/tools/perf/util/build-id.c

@@ -6,8 +6,6 @@
  * Copyright (C) 2009, 2010 Red Hat Inc.
  * Copyright (C) 2009, 2010 Arnaldo Carvalho de Melo <acme@redhat.com>
  */
-#include "util.h"
-#include <stdio.h>
 #include "build-id.h"
 #include "event.h"
 #include "symbol.h"
@@ -39,23 +37,3 @@ struct perf_event_ops build_id__mark_dso_hit_ops = {
 	.mmap	= event__process_mmap,
 	.fork	= event__process_task,
 };
-
-char *dso__build_id_filename(struct dso *self, char *bf, size_t size)
-{
-	char build_id_hex[BUILD_ID_SIZE * 2 + 1];
-	const char *home;
-
-	if (!self->has_build_id)
-		return NULL;
-
-	build_id__sprintf(self->build_id, sizeof(self->build_id), build_id_hex);
-	home = getenv("HOME");
-	if (bf == NULL) {
-		if (asprintf(&bf, "%s/%s/.build-id/%.2s/%s", home,
-			     DEBUG_CACHE_DIR, build_id_hex, build_id_hex + 2) < 0)
-			return NULL;
-	} else
-		snprintf(bf, size, "%s/%s/.build-id/%.2s/%s", home,
-			 DEBUG_CACHE_DIR, build_id_hex, build_id_hex + 2);
-	return bf;
-}

trunk/tools/perf/util/build-id.h

@@ -5,6 +5,4 @@
 
 extern struct perf_event_ops build_id__mark_dso_hit_ops;
 
-char *dso__build_id_filename(struct dso *self, char *bf, size_t size);
-
 #endif

trunk/tools/perf/util/callchain.c

@@ -15,7 +15,6 @@
 #include <errno.h>
 #include <math.h>
 
-#include "util.h"
 #include "callchain.h"
 
 bool ip_callchain__valid(struct ip_callchain *chain, event_t *event)

trunk/tools/perf/util/callchain.h

@@ -5,6 +5,7 @@
 #include <linux/list.h>
 #include <linux/rbtree.h>
 #include "event.h"
+#include "util.h"
 #include "symbol.h"
 
 enum chain_mode {

trunk/tools/perf/util/hist.c

@@ -1,4 +1,3 @@
-#include "build-id.h"
 #include "util.h"
 #include "hist.h"
 #include "session.h"
@@ -989,35 +988,22 @@ int hist_entry__annotate(struct hist_entry *self, struct list_head *head)
 	struct symbol *sym = self->ms.sym;
 	struct map *map = self->ms.map;
 	struct dso *dso = map->dso;
-	char *filename = dso__build_id_filename(dso, NULL, 0);
+	const char *filename = dso->long_name;
 	char command[PATH_MAX * 2];
 	FILE *file;
-	int err = -1;
 	u64 len;
 
-	if (filename == NULL) {
-		if (dso->has_build_id) {
-			pr_err("Can't annotate %s: not enough memory\n",
-			       sym->name);
-			return -1;
-		}
-		/*
-		 * If we don't have build-ids, well, lets hope that this
-		 * DSO is the same as when 'perf record' ran.
-		 */
-		filename = dso->long_name;
-	}
+	if (!filename)
+		return -1;
 
 	if (dso->origin == DSO__ORIG_KERNEL) {
-		if (dso->annotate_warned) {
-			err = 0;
-			goto out_free_filename;
-		}
+		if (dso->annotate_warned)
+			return 0;
 		dso->annotate_warned = 1;
 		pr_err("Can't annotate %s: No vmlinux file was found in the "
 		       "path:\n", sym->name);
 		vmlinux_path__fprintf(stderr);
-		goto out_free_filename;
+		return -1;
 	}
 
 	pr_debug("%s: filename=%s, sym=%s, start=%#Lx, end=%#Lx\n", __func__,
@@ -1039,18 +1025,14 @@ int hist_entry__annotate(struct hist_entry *self, struct list_head *head)
 
 	file = popen(command, "r");
 	if (!file)
-		goto out_free_filename;
+		return -1;
 
 	while (!feof(file))
 		if (hist_entry__parse_objdump_line(self, file, head) < 0)
 			break;
 
 	pclose(file);
-	err = 0;
-out_free_filename:
-	if (dso->has_build_id)
-		free(filename);
-	return err;
+	return 0;
 }
 
 void hists__inc_nr_events(struct hists *self, u32 type)

trunk/tools/perf/util/newt.c

@@ -383,7 +383,6 @@ static int ui_browser__run(struct ui_browser *self, const char *title,
 	newtFormAddHotKey(self->form, NEWT_KEY_DOWN);
 	newtFormAddHotKey(self->form, NEWT_KEY_PGUP);
 	newtFormAddHotKey(self->form, NEWT_KEY_PGDN);
-	newtFormAddHotKey(self->form, ' ');
 	newtFormAddHotKey(self->form, NEWT_KEY_HOME);
 	newtFormAddHotKey(self->form, NEWT_KEY_END);
 
@@ -420,7 +419,6 @@ static int ui_browser__run(struct ui_browser *self, const char *title,
 			}
 			break;
 		case NEWT_KEY_PGDN:
-		case ' ':
 			if (self->first_visible_entry_idx + self->height > self->nr_entries - 1)
 				break;
 

trunk/tools/perf/util/symbol.c

@@ -11,7 +11,6 @@
 #include <sys/param.h>
 #include <fcntl.h>
 #include <unistd.h>
-#include "build-id.h"
 #include "symbol.h"
 #include "strlist.h"
 
@@ -1294,6 +1293,7 @@ int dso__load(struct dso *self, struct map *map, symbol_filter_t filter)
 	int size = PATH_MAX;
 	char *name;
 	u8 build_id[BUILD_ID_SIZE];
+	char build_id_hex[BUILD_ID_SIZE * 2 + 1];
 	int ret = -1;
 	int fd;
 	struct machine *machine;
@@ -1325,8 +1325,15 @@ int dso__load(struct dso *self, struct map *map, symbol_filter_t filter)
 	}
 
 	self->origin = DSO__ORIG_BUILD_ID_CACHE;
-	if (dso__build_id_filename(self, name, size) != NULL)
+
+	if (self->has_build_id) {
+		build_id__sprintf(self->build_id, sizeof(self->build_id),
+				  build_id_hex);
+		snprintf(name, size, "%s/%s/.build-id/%.2s/%s",
+			 getenv("HOME"), DEBUG_CACHE_DIR,
+			 build_id_hex, build_id_hex + 2);
 		goto open_file;
+	}
 more:
 	do {
 		self->origin++;
@@ -1342,7 +1349,6 @@ int dso__load(struct dso *self, struct map *map, symbol_filter_t filter)
 		case DSO__ORIG_BUILDID:
 			if (filename__read_build_id(self->long_name, build_id,
 						    sizeof(build_id))) {
-				char build_id_hex[BUILD_ID_SIZE * 2 + 1];
 				build_id__sprintf(build_id, sizeof(build_id),
 						  build_id_hex);
 				snprintf(name, size,