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-rw-r--r--tools/perf/util/event.c62
-rw-r--r--tools/perf/util/event.h4
-rw-r--r--tools/perf/util/hist.c15
-rw-r--r--tools/perf/util/hist.h6
-rw-r--r--tools/perf/util/symbol.c26
-rw-r--r--tools/perf/util/symbol.h10
-rw-r--r--tools/perf/util/thread.c12
-rw-r--r--tools/perf/util/thread.h23
8 files changed, 117 insertions, 41 deletions
diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c
index 70b4aa03b472..233d7ad9bd7f 100644
--- a/tools/perf/util/event.c
+++ b/tools/perf/util/event.c
@@ -249,3 +249,65 @@ int event__process_task(event_t *self)
return 0;
}
+
+void thread__find_addr_location(struct thread *self, u8 cpumode,
+ enum map_type type, u64 addr,
+ struct addr_location *al,
+ symbol_filter_t filter)
+{
+ struct thread *thread = al->thread = self;
+
+ al->addr = addr;
+
+ if (cpumode & PERF_RECORD_MISC_KERNEL) {
+ al->level = 'k';
+ thread = kthread;
+ } else if (cpumode & PERF_RECORD_MISC_USER)
+ al->level = '.';
+ else {
+ al->level = 'H';
+ al->map = NULL;
+ al->sym = NULL;
+ return;
+ }
+try_again:
+ al->map = thread__find_map(thread, type, al->addr);
+ if (al->map == NULL) {
+ /*
+ * If this is outside of all known maps, and is a negative
+ * address, try to look it up in the kernel dso, as it might be
+ * a vsyscall or vdso (which executes in user-mode).
+ *
+ * XXX This is nasty, we should have a symbol list in the
+ * "[vdso]" dso, but for now lets use the old trick of looking
+ * in the whole kernel symbol list.
+ */
+ if ((long long)al->addr < 0 && thread != kthread) {
+ thread = kthread;
+ goto try_again;
+ }
+ al->sym = NULL;
+ } else {
+ al->addr = al->map->map_ip(al->map, al->addr);
+ al->sym = map__find_symbol(al->map, al->addr, filter);
+ }
+}
+
+int event__preprocess_sample(const event_t *self, struct addr_location *al,
+ symbol_filter_t filter)
+{
+ u8 cpumode = self->header.misc & PERF_RECORD_MISC_CPUMODE_MASK;
+ struct thread *thread = threads__findnew(self->ip.pid);
+
+ if (thread == NULL)
+ return -1;
+
+ dump_printf(" ... thread: %s:%d\n", thread->comm, thread->pid);
+
+ thread__find_addr_location(thread, cpumode, MAP__FUNCTION,
+ self->ip.ip, al, filter);
+ dump_printf(" ...... dso: %s\n",
+ al->map ? al->map->dso->long_name :
+ al->level == 'H' ? "[hypervisor]" : "<not found>");
+ return 0;
+}
diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h
index 13c12c75f970..a4cc8105cf67 100644
--- a/tools/perf/util/event.h
+++ b/tools/perf/util/event.h
@@ -152,4 +152,8 @@ int event__process_lost(event_t *self);
int event__process_mmap(event_t *self);
int event__process_task(event_t *self);
+struct addr_location;
+int event__preprocess_sample(const event_t *self, struct addr_location *al,
+ symbol_filter_t filter);
+
#endif /* __PERF_RECORD_H */
diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index f26cd9ba00fd..0ebf6ee16caa 100644
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -14,20 +14,19 @@ struct callchain_param callchain_param = {
* histogram, sorted on item, collects counts
*/
-struct hist_entry *__hist_entry__add(struct thread *thread, struct map *map,
- struct symbol *sym,
+struct hist_entry *__hist_entry__add(struct addr_location *al,
struct symbol *sym_parent,
- u64 ip, u64 count, char level, bool *hit)
+ u64 count, bool *hit)
{
struct rb_node **p = &hist.rb_node;
struct rb_node *parent = NULL;
struct hist_entry *he;
struct hist_entry entry = {
- .thread = thread,
- .map = map,
- .sym = sym,
- .ip = ip,
- .level = level,
+ .thread = al->thread,
+ .map = al->map,
+ .sym = al->sym,
+ .ip = al->addr,
+ .level = al->level,
.count = count,
.parent = sym_parent,
};
diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h
index ac2149c559b0..3020db0c9292 100644
--- a/tools/perf/util/hist.h
+++ b/tools/perf/util/hist.h
@@ -36,9 +36,9 @@ extern unsigned long total_fork;
extern unsigned long total_unknown;
extern unsigned long total_lost;
-struct hist_entry *__hist_entry__add(struct thread *thread, struct map *map,
- struct symbol *sym, struct symbol *parent,
- u64 ip, u64 count, char level, bool *hit);
+struct hist_entry *__hist_entry__add(struct addr_location *al,
+ struct symbol *parent,
+ u64 count, bool *hit);
extern int64_t hist_entry__cmp(struct hist_entry *, struct hist_entry *);
extern int64_t hist_entry__collapse(struct hist_entry *, struct hist_entry *);
extern void hist_entry__free(struct hist_entry *);
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index b788c2f5d672..fffcb937cdcb 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -43,7 +43,8 @@ static struct symbol_conf symbol_conf__defaults = {
.try_vmlinux_path = true,
};
-static struct thread kthread_mem, *kthread = &kthread_mem;
+static struct thread kthread_mem;
+struct thread *kthread = &kthread_mem;
bool dso__loaded(const struct dso *self, enum map_type type)
{
@@ -1178,29 +1179,6 @@ out:
return ret;
}
-static struct symbol *thread__find_symbol(struct thread *self, u64 ip,
- enum map_type type, struct map **mapp,
- symbol_filter_t filter)
-{
- struct map *map = thread__find_map(self, type, ip);
-
- if (mapp)
- *mapp = map;
-
- if (map) {
- ip = map->map_ip(map, ip);
- return map__find_symbol(map, ip, filter);
- }
-
- return NULL;
-}
-
-struct symbol *kernel_maps__find_function(u64 ip, struct map **mapp,
- symbol_filter_t filter)
-{
- return thread__find_symbol(kthread, ip, MAP__FUNCTION, mapp, filter);
-}
-
static struct map *thread__find_map_by_name(struct thread *self, char *name)
{
struct rb_node *nd;
diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h
index 3f9e4a4d83dd..17003efa0b39 100644
--- a/tools/perf/util/symbol.h
+++ b/tools/perf/util/symbol.h
@@ -63,6 +63,14 @@ static inline void *symbol__priv(struct symbol *self)
return ((void *)self) - symbol__priv_size;
}
+struct addr_location {
+ struct thread *thread;
+ struct map *map;
+ struct symbol *sym;
+ u64 addr;
+ char level;
+};
+
struct dso {
struct list_head node;
struct rb_root symbols[MAP__NR_TYPES];
@@ -105,6 +113,8 @@ size_t kernel_maps__fprintf(FILE *fp);
int symbol__init(struct symbol_conf *conf);
+struct thread;
+struct thread *kthread;
extern struct list_head dsos__user, dsos__kernel;
extern struct dso *vdso;
#endif /* __PERF_SYMBOL */
diff --git a/tools/perf/util/thread.c b/tools/perf/util/thread.c
index 2229f82cd630..603f5610861b 100644
--- a/tools/perf/util/thread.c
+++ b/tools/perf/util/thread.c
@@ -285,3 +285,15 @@ size_t threads__fprintf(FILE *fp)
return ret;
}
+
+struct symbol *thread__find_symbol(struct thread *self,
+ enum map_type type, u64 addr,
+ symbol_filter_t filter)
+{
+ struct map *map = thread__find_map(self, type, addr);
+
+ if (map != NULL)
+ return map__find_symbol(map, map->map_ip(map, addr), filter);
+
+ return NULL;
+}
diff --git a/tools/perf/util/thread.h b/tools/perf/util/thread.h
index 59b0d9b577d6..686d6e914d9e 100644
--- a/tools/perf/util/thread.h
+++ b/tools/perf/util/thread.h
@@ -27,19 +27,30 @@ size_t thread__fprintf_maps(struct thread *self, FILE *fp);
size_t threads__fprintf(FILE *fp);
void maps__insert(struct rb_root *maps, struct map *map);
-struct map *maps__find(struct rb_root *maps, u64 ip);
-
-struct symbol *kernel_maps__find_function(const u64 ip, struct map **mapp,
- symbol_filter_t filter);
+struct map *maps__find(struct rb_root *maps, u64 addr);
static inline struct map *thread__find_map(struct thread *self,
- enum map_type type, u64 ip)
+ enum map_type type, u64 addr)
{
- return self ? maps__find(&self->maps[type], ip) : NULL;
+ return self ? maps__find(&self->maps[type], addr) : NULL;
}
static inline void __thread__insert_map(struct thread *self, struct map *map)
{
maps__insert(&self->maps[map->type], map);
}
+
+void thread__find_addr_location(struct thread *self, u8 cpumode,
+ enum map_type type, u64 addr,
+ struct addr_location *al,
+ symbol_filter_t filter);
+struct symbol *thread__find_symbol(struct thread *self,
+ enum map_type type, u64 addr,
+ symbol_filter_t filter);
+
+static inline struct symbol *
+thread__find_function(struct thread *self, u64 addr, symbol_filter_t filter)
+{
+ return thread__find_symbol(self, MAP__FUNCTION, addr, filter);
+}
#endif /* __PERF_THREAD_H */
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-15 11:02:07 +0300