Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull perf fixes from Ingo Molnar: "Mostly tooling fixes, but also an event groups fix, two PMU driver fixes and a CPU model variant addition" * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf: Tighten (and fix) the grouping condition perf/x86/intel: Add model number for Airmont perf/rapl: Fix crash in rapl_scale() perf/x86/intel/uncore: Move uncore_box_init() out of driver initialization perf probe: Fix probing kretprobes perf symbols: Introduce 'for' method to iterate over the symbols with a given name perf probe: Do not rely on map__load() filter to find symbols perf symbols: Introduce method to iterate symbols ordered by name perf symbols: Return the first entry with a given name in find_by_name method perf annotate: Fix memory leaks in LOCK handling perf annotate: Handle ins parsing failures perf scripting perl: Force to use stdbool perf evlist: Remove extraneous 'was' on error message

Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Ingo Molnar: "Mostly tooling fixes, but also an event groups fix, two PMU driver fixes and a CPU model variant addition" * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf: Tighten (and fix) the grouping condition perf/x86/intel: Add model number for Airmont perf/rapl: Fix crash in rapl_scale() perf/x86/intel/uncore: Move uncore_box_init() out of driver initialization perf probe: Fix probing kretprobes perf symbols: Introduce 'for' method to iterate over the symbols with a given name perf probe: Do not rely on map__load() filter to find symbols perf symbols: Introduce method to iterate symbols ordered by name perf symbols: Return the first entry with a given name in find_by_name method perf annotate: Fix memory leaks in LOCK handling perf annotate: Handle ins parsing failures perf scripting perl: Force to use stdbool perf evlist: Remove extraneous 'was' on error message
Linus Torvalds
2 parents bc208e0ee0 e742f3dc08
Showing 13 changed files Side-by-side Diff
arch/x86/kernel/cpu/perf_event_intel.c
arch/x86/kernel/cpu/perf_event_intel_rapl.c
arch/x86/kernel/cpu/perf_event_intel_uncore.c
arch/x86/kernel/cpu/perf_event_intel_uncore.h
include/linux/perf_event.h
kernel/events/core.c
tools/perf/scripts/perl/Perf-Trace-Util/Context.c
tools/perf/util/annotate.c
tools/perf/util/evlist.c
tools/perf/util/map.h
tools/perf/util/probe-event.c
tools/perf/util/symbol.c
tools/perf/util/symbol.h
@@ -2431,6 +2431,7 @@
 		break;
  
 	case 55: /* 22nm Atom "Silvermont"                */
+	case 76: /* 14nm Atom "Airmont"                   */
 	case 77: /* 22nm Atom "Silvermont Avoton/Rangely" */
 		memcpy(hw_cache_event_ids, slm_hw_cache_event_ids,
 			sizeof(hw_cache_event_ids));
@@ -142,7 +142,7 @@
 	 * or use ldexp(count, -32).
 	 * Watts = Joules/Time delta
 	 */
-	return v << (32 - __this_cpu_read(rapl_pmu->hw_unit));
+	return v << (32 - __this_cpu_read(rapl_pmu)->hw_unit);
 }
  
 static u64 rapl_event_update(struct perf_event *event)
@@ -840,7 +840,6 @@
 	box->phys_id = phys_id;
 	box->pci_dev = pdev;
 	box->pmu = pmu;
-	uncore_box_init(box);
 	pci_set_drvdata(pdev, box);
  
 	raw_spin_lock(&uncore_box_lock);
  
@@ -1004,10 +1003,8 @@
 			pmu = &type->pmus[j];
 			box = *per_cpu_ptr(pmu->box, cpu);
 			/* called by uncore_cpu_init? */
-			if (box && box->phys_id >= 0) {
-				uncore_box_init(box);
+			if (box && box->phys_id >= 0)
 				continue;
-			}
  
 			for_each_online_cpu(k) {
 				exist = *per_cpu_ptr(pmu->box, k);
  
@@ -1023,10 +1020,8 @@
 				}
 			}
  
-			if (box) {
+			if (box)
 				box->phys_id = phys_id;
-				uncore_box_init(box);
-			}
 		}
 	}
 	return 0;
@@ -257,6 +257,14 @@
 	return box->pmu->type->num_counters;
 }
  
+static inline void uncore_box_init(struct intel_uncore_box *box)
+{
+	if (!test_and_set_bit(UNCORE_BOX_FLAG_INITIATED, &box->flags)) {
+		if (box->pmu->type->ops->init_box)
+			box->pmu->type->ops->init_box(box);
+	}
+}
+
 static inline void uncore_disable_box(struct intel_uncore_box *box)
 {
 	if (box->pmu->type->ops->disable_box)
@@ -265,6 +273,8 @@
  
 static inline void uncore_enable_box(struct intel_uncore_box *box)
 {
+	uncore_box_init(box);
+
 	if (box->pmu->type->ops->enable_box)
 		box->pmu->type->ops->enable_box(box);
 }
@@ -285,14 +295,6 @@
 				struct perf_event *event)
 {
 	return box->pmu->type->ops->read_counter(box, event);
-}
-
-static inline void uncore_box_init(struct intel_uncore_box *box)
-{
-	if (!test_and_set_bit(UNCORE_BOX_FLAG_INITIATED, &box->flags)) {
-		if (box->pmu->type->ops->init_box)
-			box->pmu->type->ops->init_box(box);
-	}
 }
  
 static inline bool uncore_box_is_fake(struct intel_uncore_box *box)
@@ -450,11 +450,6 @@
 #endif /* CONFIG_PERF_EVENTS */
 };
  
-enum perf_event_context_type {
-	task_context,
-	cpu_context,
-};
-
 /**
  * struct perf_event_context - event context structure
  *
@@ -462,7 +457,6 @@
  */
 struct perf_event_context {
 	struct pmu			*pmu;
-	enum perf_event_context_type	type;
 	/*
 	 * Protect the states of the events in the list,
 	 * nr_active, and the list:
@@ -6776,7 +6776,6 @@
 		__perf_event_init_context(&cpuctx->ctx);
 		lockdep_set_class(&cpuctx->ctx.mutex, &cpuctx_mutex);
 		lockdep_set_class(&cpuctx->ctx.lock, &cpuctx_lock);
-		cpuctx->ctx.type = cpu_context;
 		cpuctx->ctx.pmu = pmu;
  
 		__perf_cpu_hrtimer_init(cpuctx, cpu);
@@ -7420,7 +7419,19 @@
 		 * task or CPU context:
 		 */
 		if (move_group) {
-			if (group_leader->ctx->type != ctx->type)
+			/*
+			 * Make sure we're both on the same task, or both
+			 * per-cpu events.
+			 */
+			if (group_leader->ctx->task != ctx->task)
+				goto err_context;
+
+			/*
+			 * Make sure we're both events for the same CPU;
+			 * grouping events for different CPUs is broken; since
+			 * you can never concurrently schedule them anyhow.
+			 */
+			if (group_leader->cpu != event->cpu)
 				goto err_context;
 		} else {
 			if (group_leader->ctx != ctx)
@@ -5,7 +5,10 @@
  *	ANY CHANGES MADE HERE WILL BE LOST! 
  *
  */
-
+#include <stdbool.h>
+#ifndef HAS_BOOL
+# define HAS_BOOL 1
+#endif
 #line 1 "Context.xs"
 /*
  * Context.xs.  XS interfaces for perf script.
@@ -177,14 +177,17 @@
 		goto out_free_ops;
  
 	ops->locked.ins = ins__find(name);
+	free(name);
+
 	if (ops->locked.ins == NULL)
 		goto out_free_ops;
  
 	if (!ops->locked.ins->ops)
 		return 0;
  
-	if (ops->locked.ins->ops->parse)
-		ops->locked.ins->ops->parse(ops->locked.ops);
+	if (ops->locked.ins->ops->parse &&
+	    ops->locked.ins->ops->parse(ops->locked.ops) < 0)
+		goto out_free_ops;
  
 	return 0;
  
@@ -208,6 +211,13 @@
  
 static void lock__delete(struct ins_operands *ops)
 {
+	struct ins *ins = ops->locked.ins;
+
+	if (ins && ins->ops->free)
+		ins->ops->free(ops->locked.ops);
+	else
+		ins__delete(ops->locked.ops);
+
 	zfree(&ops->locked.ops);
 	zfree(&ops->target.raw);
 	zfree(&ops->target.name);
@@ -531,8 +541,8 @@
 	if (!dl->ins->ops)
 		return;
  
-	if (dl->ins->ops->parse)
-		dl->ins->ops->parse(&dl->ops);
+	if (dl->ins->ops->parse && dl->ins->ops->parse(&dl->ops) < 0)
+		dl->ins = NULL;
 }
  
 static int disasm_line__parse(char *line, char **namep, char **rawp)
@@ -1445,7 +1445,7 @@
 	case ENOENT:
 		scnprintf(buf, size, "%s",
 			  "Error:\tUnable to find debugfs\n"
-			  "Hint:\tWas your kernel was compiled with debugfs support?\n"
+			  "Hint:\tWas your kernel compiled with debugfs support?\n"
 			  "Hint:\tIs the debugfs filesystem mounted?\n"
 			  "Hint:\tTry 'sudo mount -t debugfs nodev /sys/kernel/debug'");
 		break;
@@ -116,6 +116,22 @@
 #define map__for_each_symbol(map, pos, n)	\
 	dso__for_each_symbol(map->dso, pos, n, map->type)
  
+/* map__for_each_symbol_with_name - iterate over the symbols in the given map
+ *                                  that have the given name
+ *
+ * @map: the 'struct map *' in which symbols itereated
+ * @sym_name: the symbol name
+ * @pos: the 'struct symbol *' to use as a loop cursor
+ * @filter: to use when loading the DSO
+ */
+#define __map__for_each_symbol_by_name(map, sym_name, pos, filter)	\
+	for (pos = map__find_symbol_by_name(map, sym_name, filter);	\
+	     pos && strcmp(pos->name, sym_name) == 0;		\
+	     pos = symbol__next_by_name(pos))
+
+#define map__for_each_symbol_by_name(map, sym_name, pos)		\
+	__map__for_each_symbol_by_name(map, sym_name, (pos), NULL)
+
 typedef int (*symbol_filter_t)(struct map *map, struct symbol *sym);
  
 void map__init(struct map *map, enum map_type type,
@@ -446,7 +446,7 @@
 	}
  
 	for (i = 0; i < ntevs; i++) {
-		if (tevs[i].point.address) {
+		if (tevs[i].point.address && !tevs[i].point.retprobe) {
 			tmp = strdup(reloc_sym->name);
 			if (!tmp)
 				return -ENOMEM;
  
  
@@ -2193,18 +2193,17 @@
 	return ret;
 }
  
-static char *looking_function_name;
-static int num_matched_functions;
-
-static int probe_function_filter(struct map *map __maybe_unused,
-				      struct symbol *sym)
+static int find_probe_functions(struct map *map, char *name)
 {
-	if ((sym->binding == STB_GLOBAL || sym->binding == STB_LOCAL) &&
-	    strcmp(looking_function_name, sym->name) == 0) {
-		num_matched_functions++;
-		return 0;
+	int found = 0;
+	struct symbol *sym;
+
+	map__for_each_symbol_by_name(map, name, sym) {
+		if (sym->binding == STB_GLOBAL || sym->binding == STB_LOCAL)
+			found++;
 	}
-	return 1;
+
+	return found;
 }
  
 #define strdup_or_goto(str, label)	\
  
@@ -2222,10 +2221,10 @@
 	struct kmap *kmap = NULL;
 	struct ref_reloc_sym *reloc_sym = NULL;
 	struct symbol *sym;
-	struct rb_node *nd;
 	struct probe_trace_event *tev;
 	struct perf_probe_point *pp = &pev->point;
 	struct probe_trace_point *tp;
+	int num_matched_functions;
 	int ret, i;
  
 	/* Init maps of given executable or kernel */
@@ -2242,10 +2241,8 @@
 	 * Load matched symbols: Since the different local symbols may have
 	 * same name but different addresses, this lists all the symbols.
 	 */
-	num_matched_functions = 0;
-	looking_function_name = pp->function;
-	ret = map__load(map, probe_function_filter);
-	if (ret || num_matched_functions == 0) {
+	num_matched_functions = find_probe_functions(map, pp->function);
+	if (num_matched_functions == 0) {
 		pr_err("Failed to find symbol %s in %s\n", pp->function,
 			target ? : "kernel");
 		ret = -ENOENT;
@@ -2257,7 +2254,7 @@
 		goto out;
 	}
  
-	if (!pev->uprobes) {
+	if (!pev->uprobes && !pp->retprobe) {
 		kmap = map__kmap(map);
 		reloc_sym = kmap->ref_reloc_sym;
 		if (!reloc_sym) {
@@ -2275,7 +2272,8 @@
 	}
  
 	ret = 0;
-	map__for_each_symbol(map, sym, nd) {
+
+	map__for_each_symbol_by_name(map, pp->function, sym) {
 		tev = (*tevs) + ret;
 		tp = &tev->point;
 		if (ret == num_matched_functions) {
@@ -396,6 +396,7 @@
 					    const char *name)
 {
 	struct rb_node *n;
+	struct symbol_name_rb_node *s;
  
 	if (symbols == NULL)
 		return NULL;
@@ -403,7 +404,6 @@
 	n = symbols->rb_node;
  
 	while (n) {
-		struct symbol_name_rb_node *s;
 		int cmp;
  
 		s = rb_entry(n, struct symbol_name_rb_node, rb_node);
  
@@ -414,10 +414,24 @@
 		else if (cmp > 0)
 			n = n->rb_right;
 		else
-			return &s->sym;
+			break;
 	}
  
-	return NULL;
+	if (n == NULL)
+		return NULL;
+
+	/* return first symbol that has same name (if any) */
+	for (n = rb_prev(n); n; n = rb_prev(n)) {
+		struct symbol_name_rb_node *tmp;
+
+		tmp = rb_entry(n, struct symbol_name_rb_node, rb_node);
+		if (strcmp(tmp->sym.name, s->sym.name))
+			break;
+
+		s = tmp;
+	}
+
+	return &s->sym;
 }
  
 struct symbol *dso__find_symbol(struct dso *dso,
@@ -436,6 +450,17 @@
 	return symbols__next(sym);
 }
  
+struct symbol *symbol__next_by_name(struct symbol *sym)
+{
+	struct symbol_name_rb_node *s = container_of(sym, struct symbol_name_rb_node, sym);
+	struct rb_node *n = rb_next(&s->rb_node);
+
+	return n ? &rb_entry(n, struct symbol_name_rb_node, rb_node)->sym : NULL;
+}
+
+ /*
+  * Teturns first symbol that matched with @name.
+  */
 struct symbol *dso__find_symbol_by_name(struct dso *dso, enum map_type type,
 					const char *name)
 {
@@ -231,6 +231,7 @@
 				u64 addr);
 struct symbol *dso__find_symbol_by_name(struct dso *dso, enum map_type type,
 					const char *name);
+struct symbol *symbol__next_by_name(struct symbol *sym);
  
 struct symbol *dso__first_symbol(struct dso *dso, enum map_type type);
 struct symbol *dso__next_symbol(struct symbol *sym);
...	...	@@ -2431,6 +2431,7 @@
2431	2431	break;
2432	2432
2433	2433	case 55: /* 22nm Atom "Silvermont" */
	2434	+ case 76: /* 14nm Atom "Airmont" */
2434	2435	case 77: /* 22nm Atom "Silvermont Avoton/Rangely" */
2435	2436	memcpy(hw_cache_event_ids, slm_hw_cache_event_ids,
2436	2437	sizeof(hw_cache_event_ids));
...	...	@@ -142,7 +142,7 @@
142	142	* or use ldexp(count, -32).
143	143	* Watts = Joules/Time delta
144	144	*/
145		- return v << (32 - __this_cpu_read(rapl_pmu->hw_unit));
	145	+ return v << (32 - __this_cpu_read(rapl_pmu)->hw_unit);
146	146	}
147	147
148	148	static u64 rapl_event_update(struct perf_event *event)
...	...	@@ -840,7 +840,6 @@
840	840	box->phys_id = phys_id;
841	841	box->pci_dev = pdev;
842	842	box->pmu = pmu;
843		- uncore_box_init(box);
844	843	pci_set_drvdata(pdev, box);
845	844
846	845	raw_spin_lock(&uncore_box_lock);
847	846
...	...	@@ -1004,10 +1003,8 @@
1004	1003	pmu = &type->pmus[j];
1005	1004	box = *per_cpu_ptr(pmu->box, cpu);
1006	1005	/* called by uncore_cpu_init? */
1007		- if (box && box->phys_id >= 0) {
1008		- uncore_box_init(box);
	1006	+ if (box && box->phys_id >= 0)
1009	1007	continue;
1010		- }
1011	1008
1012	1009	for_each_online_cpu(k) {
1013	1010	exist = *per_cpu_ptr(pmu->box, k);
1014	1011
...	...	@@ -1023,10 +1020,8 @@
1023	1020	}
1024	1021	}
1025	1022
1026		- if (box) {
	1023	+ if (box)
1027	1024	box->phys_id = phys_id;
1028		- uncore_box_init(box);
1029		- }
1030	1025	}
1031	1026	}
1032	1027	return 0;
...	...	@@ -257,6 +257,14 @@
257	257	return box->pmu->type->num_counters;
258	258	}
259	259
	260	+static inline void uncore_box_init(struct intel_uncore_box *box)
	261	+{
	262	+ if (!test_and_set_bit(UNCORE_BOX_FLAG_INITIATED, &box->flags)) {
	263	+ if (box->pmu->type->ops->init_box)
	264	+ box->pmu->type->ops->init_box(box);
	265	+ }
	266	+}
	267	+
260	268	static inline void uncore_disable_box(struct intel_uncore_box *box)
261	269	{
262	270	if (box->pmu->type->ops->disable_box)
...	...	@@ -265,6 +273,8 @@
265	273
266	274	static inline void uncore_enable_box(struct intel_uncore_box *box)
267	275	{
	276	+ uncore_box_init(box);
	277	+
268	278	if (box->pmu->type->ops->enable_box)
269	279	box->pmu->type->ops->enable_box(box);
270	280	}
...	...	@@ -285,14 +295,6 @@
285	295	struct perf_event *event)
286	296	{
287	297	return box->pmu->type->ops->read_counter(box, event);
288		-}
289		-
290		-static inline void uncore_box_init(struct intel_uncore_box *box)
291		-{
292		- if (!test_and_set_bit(UNCORE_BOX_FLAG_INITIATED, &box->flags)) {
293		- if (box->pmu->type->ops->init_box)
294		- box->pmu->type->ops->init_box(box);
295		- }
296	298	}
297	299
298	300	static inline bool uncore_box_is_fake(struct intel_uncore_box *box)
...	...	@@ -450,11 +450,6 @@
450	450	#endif /* CONFIG_PERF_EVENTS */
451	451	};
452	452
453		-enum perf_event_context_type {
454		- task_context,
455		- cpu_context,
456		-};
457		-
458	453	/**
459	454	* struct perf_event_context - event context structure
460	455	*
...	...	@@ -462,7 +457,6 @@
462	457	*/
463	458	struct perf_event_context {
464	459	struct pmu *pmu;
465		- enum perf_event_context_type type;
466	460	/*
467	461	* Protect the states of the events in the list,
468	462	* nr_active, and the list:
...	...	@@ -6776,7 +6776,6 @@
6776	6776	__perf_event_init_context(&cpuctx->ctx);
6777	6777	lockdep_set_class(&cpuctx->ctx.mutex, &cpuctx_mutex);
6778	6778	lockdep_set_class(&cpuctx->ctx.lock, &cpuctx_lock);
6779		- cpuctx->ctx.type = cpu_context;
6780	6779	cpuctx->ctx.pmu = pmu;
6781	6780
6782	6781	__perf_cpu_hrtimer_init(cpuctx, cpu);
...	...	@@ -7420,7 +7419,19 @@
7420	7419	* task or CPU context:
7421	7420	*/
7422	7421	if (move_group) {
7423		- if (group_leader->ctx->type != ctx->type)
	7422	+ /*
	7423	+ * Make sure we're both on the same task, or both
	7424	+ * per-cpu events.
	7425	+ */
	7426	+ if (group_leader->ctx->task != ctx->task)
	7427	+ goto err_context;
	7428	+
	7429	+ /*
	7430	+ * Make sure we're both events for the same CPU;
	7431	+ * grouping events for different CPUs is broken; since
	7432	+ * you can never concurrently schedule them anyhow.
	7433	+ */
	7434	+ if (group_leader->cpu != event->cpu)
7424	7435	goto err_context;
7425	7436	} else {
7426	7437	if (group_leader->ctx != ctx)
...	...	@@ -5,7 +5,10 @@
5	5	* ANY CHANGES MADE HERE WILL BE LOST!
6	6	*
7	7	*/
8		-
	8	+#include <stdbool.h>
	9	+#ifndef HAS_BOOL
	10	+# define HAS_BOOL 1
	11	+#endif
9	12	#line 1 "Context.xs"
10	13	/*
11	14	* Context.xs. XS interfaces for perf script.
...	...	@@ -177,14 +177,17 @@
177	177	goto out_free_ops;
178	178
179	179	ops->locked.ins = ins__find(name);
	180	+ free(name);
	181	+
180	182	if (ops->locked.ins == NULL)
181	183	goto out_free_ops;
182	184
183	185	if (!ops->locked.ins->ops)
184	186	return 0;
185	187
186		- if (ops->locked.ins->ops->parse)
187		- ops->locked.ins->ops->parse(ops->locked.ops);
	188	+ if (ops->locked.ins->ops->parse &&
	189	+ ops->locked.ins->ops->parse(ops->locked.ops) < 0)
	190	+ goto out_free_ops;
188	191
189	192	return 0;
190	193
...	...	@@ -208,6 +211,13 @@
208	211
209	212	static void lock__delete(struct ins_operands *ops)
210	213	{
	214	+ struct ins *ins = ops->locked.ins;
	215	+
	216	+ if (ins && ins->ops->free)
	217	+ ins->ops->free(ops->locked.ops);
	218	+ else
	219	+ ins__delete(ops->locked.ops);
	220	+
211	221	zfree(&ops->locked.ops);
212	222	zfree(&ops->target.raw);
213	223	zfree(&ops->target.name);
...	...	@@ -531,8 +541,8 @@
531	541	if (!dl->ins->ops)
532	542	return;
533	543
534		- if (dl->ins->ops->parse)
535		- dl->ins->ops->parse(&dl->ops);
	544	+ if (dl->ins->ops->parse && dl->ins->ops->parse(&dl->ops) < 0)
	545	+ dl->ins = NULL;
536	546	}
537	547
538	548	static int disasm_line__parse(char line, char namep, char *rawp)
...	...	@@ -1445,7 +1445,7 @@
1445	1445	case ENOENT:
1446	1446	scnprintf(buf, size, "%s",
1447	1447	"Error:\tUnable to find debugfs\n"
1448		- "Hint:\tWas your kernel was compiled with debugfs support?\n"
	1448	+ "Hint:\tWas your kernel compiled with debugfs support?\n"
1449	1449	"Hint:\tIs the debugfs filesystem mounted?\n"
1450	1450	"Hint:\tTry 'sudo mount -t debugfs nodev /sys/kernel/debug'");
1451	1451	break;
...	...	@@ -116,6 +116,22 @@
116	116	#define map__for_each_symbol(map, pos, n) \
117	117	dso__for_each_symbol(map->dso, pos, n, map->type)
118	118
	119	+/* map__for_each_symbol_with_name - iterate over the symbols in the given map
	120	+ * that have the given name
	121	+ *
	122	+ * @map: the 'struct map *' in which symbols itereated
	123	+ * @sym_name: the symbol name
	124	+ * @pos: the 'struct symbol *' to use as a loop cursor
	125	+ * @filter: to use when loading the DSO
	126	+ */
	127	+#define __map__for_each_symbol_by_name(map, sym_name, pos, filter) \
	128	+ for (pos = map__find_symbol_by_name(map, sym_name, filter); \
	129	+ pos && strcmp(pos->name, sym_name) == 0; \
	130	+ pos = symbol__next_by_name(pos))
	131	+
	132	+#define map__for_each_symbol_by_name(map, sym_name, pos) \
	133	+ __map__for_each_symbol_by_name(map, sym_name, (pos), NULL)
	134	+
119	135	typedef int (symbol_filter_t)(struct map map, struct symbol *sym);
120	136
121	137	void map__init(struct map *map, enum map_type type,