aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
Diffstat
-rw-r--r--tools/perf/builtin-annotate.c55
-rw-r--r--tools/perf/builtin-kmem.c2
-rw-r--r--tools/perf/builtin-report.c135
-rw-r--r--tools/perf/builtin-top.c44
-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
12 files changed, 172 insertions, 222 deletions
diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c
index 7d39bd2b19b8..7f85c6e159a4 100644
--- a/tools/perf/builtin-annotate.c
+++ b/tools/perf/builtin-annotate.c
@@ -124,71 +124,30 @@ static void hist_hit(struct hist_entry *he, u64 ip)
h->ip[offset]);
}
-static int hist_entry__add(struct thread *thread, struct map *map,
- struct symbol *sym, u64 ip, u64 count, char level)
+static int hist_entry__add(struct addr_location *al, u64 count)
{
bool hit;
- struct hist_entry *he = __hist_entry__add(thread, map, sym, NULL, ip,
- count, level, &hit);
+ struct hist_entry *he = __hist_entry__add(al, NULL, count, &hit);
if (he == NULL)
return -ENOMEM;
- hist_hit(he, ip);
+ hist_hit(he, al->addr);
return 0;
}
static int process_sample_event(event_t *event)
{
- char level;
- u64 ip = event->ip.ip;
- struct map *map = NULL;
- struct symbol *sym = NULL;
- struct thread *thread = threads__findnew(event->ip.pid);
+ struct addr_location al;
dump_printf("(IP, %d): %d: %p\n", event->header.misc,
- event->ip.pid, (void *)(long)ip);
+ event->ip.pid, (void *)(long)event->ip.ip);
- if (thread == NULL) {
+ if (event__preprocess_sample(event, &al, symbol_filter) < 0) {
fprintf(stderr, "problem processing %d event, skipping it.\n",
event->header.type);
return -1;
}
- dump_printf(" ... thread: %s:%d\n", thread->comm, thread->pid);
-
- if (event->header.misc & PERF_RECORD_MISC_KERNEL) {
- level = 'k';
- sym = kernel_maps__find_function(ip, &map, symbol_filter);
- dump_printf(" ...... dso: %s\n",
- map ? map->dso->long_name : "<not found>");
- } else if (event->header.misc & PERF_RECORD_MISC_USER) {
- level = '.';
- map = thread__find_map(thread, MAP__FUNCTION, ip);
- if (map != NULL) {
- ip = map->map_ip(map, ip);
- sym = map__find_symbol(map, ip, symbol_filter);
- } else {
- /*
- * 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)ip < 0)
- sym = kernel_maps__find_function(ip, &map,
- symbol_filter);
- }
- dump_printf(" ...... dso: %s\n",
- map ? map->dso->long_name : "<not found>");
- } else {
- level = 'H';
- dump_printf(" ...... dso: [hypervisor]\n");
- }
-
- if (hist_entry__add(thread, map, sym, ip, 1, level)) {
+ if (hist_entry__add(&al, 1)) {
fprintf(stderr, "problem incrementing symbol count, "
"skipping event\n");
return -1;
diff --git a/tools/perf/builtin-kmem.c b/tools/perf/builtin-kmem.c
index e7294c8fc620..047fef74bd52 100644
--- a/tools/perf/builtin-kmem.c
+++ b/tools/perf/builtin-kmem.c
@@ -420,7 +420,7 @@ 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 = kernel_maps__find_function(addr, NULL, NULL);
+ sym = thread__find_function(kthread, addr, NULL);
} else
addr = data->ptr;
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index 01ef35cac5f9..383c4ab4f9af 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -408,55 +408,6 @@ static int thread__set_comm_adjust(struct thread *self, const char *comm)
return 0;
}
-
-static struct symbol *
-resolve_symbol(struct thread *thread, struct map **mapp, u64 *ipp)
-{
- struct map *map = mapp ? *mapp : NULL;
- u64 ip = *ipp;
-
- if (map)
- goto got_map;
-
- if (!thread)
- return NULL;
-
- map = thread__find_map(thread, MAP__FUNCTION, ip);
- if (map != NULL) {
- /*
- * We have to do this here as we may have a dso
- * with no symbol hit that has a name longer than
- * the ones with symbols sampled.
- */
- if (!sort_dso.elide && !map->dso->slen_calculated)
- dso__calc_col_width(map->dso);
-
- if (mapp)
- *mapp = map;
-got_map:
- ip = map->map_ip(map, ip);
- } else {
- /*
- * 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)ip < 0)
- return kernel_maps__find_function(ip, mapp, NULL);
- }
- dump_printf(" ...... dso: %s\n",
- map ? map->dso->long_name : "<not found>");
- dump_printf(" ...... map: %Lx -> %Lx\n", *ipp, ip);
- *ipp = ip;
-
- return map ? map__find_symbol(map, ip, NULL) : NULL;
-}
-
static int call__match(struct symbol *sym)
{
if (sym->name && !regexec(&parent_regex, sym->name, 0, NULL, 0))
@@ -469,7 +420,7 @@ static struct symbol **resolve_callchain(struct thread *thread,
struct ip_callchain *chain,
struct symbol **parent)
{
- u64 context = PERF_CONTEXT_MAX;
+ u8 cpumode = PERF_RECORD_MISC_USER;
struct symbol **syms = NULL;
unsigned int i;
@@ -483,30 +434,31 @@ static struct symbol **resolve_callchain(struct thread *thread,
for (i = 0; i < chain->nr; i++) {
u64 ip = chain->ips[i];
- struct symbol *sym = NULL;
+ struct addr_location al;
if (ip >= PERF_CONTEXT_MAX) {
- context = ip;
+ switch (ip) {
+ case PERF_CONTEXT_HV:
+ cpumode = PERF_RECORD_MISC_HYPERVISOR; break;
+ case PERF_CONTEXT_KERNEL:
+ cpumode = PERF_RECORD_MISC_KERNEL; break;
+ case PERF_CONTEXT_USER:
+ cpumode = PERF_RECORD_MISC_USER; break;
+ default:
+ break;
+ }
continue;
}
- switch (context) {
- case PERF_CONTEXT_HV:
- break;
- case PERF_CONTEXT_KERNEL:
- sym = kernel_maps__find_function(ip, NULL, NULL);
- break;
- default:
- sym = resolve_symbol(thread, NULL, &ip);
- break;
- }
-
- if (sym) {
- if (sort__has_parent && !*parent && call__match(sym))
- *parent = sym;
+ thread__find_addr_location(thread, cpumode, MAP__FUNCTION,
+ ip, &al, NULL);
+ if (al.sym != NULL) {
+ if (sort__has_parent && !*parent &&
+ call__match(al.sym))
+ *parent = al.sym;
if (!callchain)
break;
- syms[i] = sym;
+ syms[i] = al.sym;
}
}
@@ -517,20 +469,17 @@ static struct symbol **resolve_callchain(struct thread *thread,
* collect histogram counts
*/
-static int
-hist_entry__add(struct thread *thread, struct map *map,
- struct symbol *sym, u64 ip, struct ip_callchain *chain,
- char level, u64 count)
+static int hist_entry__add(struct addr_location *al,
+ struct ip_callchain *chain, u64 count)
{
struct symbol **syms = NULL, *parent = NULL;
bool hit;
struct hist_entry *he;
if ((sort__has_parent || callchain) && chain)
- syms = resolve_callchain(thread, chain, &parent);
+ syms = resolve_callchain(al->thread, chain, &parent);
- he = __hist_entry__add(thread, map, sym, parent,
- ip, count, level, &hit);
+ he = __hist_entry__add(al, parent, count, &hit);
if (he == NULL)
return -ENOMEM;
@@ -656,14 +605,12 @@ static int validate_chain(struct ip_callchain *chain, event_t *event)
static int process_sample_event(event_t *event)
{
- char level;
- struct symbol *sym = NULL;
u64 ip = event->ip.ip;
u64 period = 1;
- struct map *map = NULL;
void *more_data = event->ip.__more_data;
struct ip_callchain *chain = NULL;
int cpumode;
+ struct addr_location al;
struct thread *thread = threads__findnew(event->ip.pid);
if (sample_type & PERF_SAMPLE_PERIOD) {
@@ -709,32 +656,26 @@ static int process_sample_event(event_t *event)
cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK;
- if (cpumode == PERF_RECORD_MISC_KERNEL) {
- level = 'k';
- sym = kernel_maps__find_function(ip, &map, NULL);
- dump_printf(" ...... dso: %s\n",
- map ? map->dso->long_name : "<not found>");
- } else if (cpumode == PERF_RECORD_MISC_USER) {
- level = '.';
- sym = resolve_symbol(thread, &map, &ip);
-
- } else {
- level = 'H';
- dump_printf(" ...... dso: [hypervisor]\n");
- }
+ thread__find_addr_location(thread, cpumode,
+ MAP__FUNCTION, ip, &al, NULL);
+ /*
+ * We have to do this here as we may have a dso with no symbol hit that
+ * has a name longer than the ones with symbols sampled.
+ */
+ if (al.map && !sort_dso.elide && !al.map->dso->slen_calculated)
+ dso__calc_col_width(al.map->dso);
if (dso_list &&
- (!map || !map->dso ||
- !(strlist__has_entry(dso_list, map->dso->short_name) ||
- (map->dso->short_name != map->dso->long_name &&
- strlist__has_entry(dso_list, map->dso->long_name)))))
+ (!al.map || !al.map->dso ||
+ !(strlist__has_entry(dso_list, al.map->dso->short_name) ||
+ (al.map->dso->short_name != al.map->dso->long_name &&
+ strlist__has_entry(dso_list, al.map->dso->long_name)))))
return 0;
- if (sym_list && sym && !strlist__has_entry(sym_list, sym->name))
+ if (sym_list && al.sym && !strlist__has_entry(sym_list, al.sym->name))
return 0;
- if (hist_entry__add(thread, map, sym, ip,
- chain, level, period)) {
+ if (hist_entry__add(&al, chain, period)) {
pr_debug("problem incrementing symbol count, skipping event\n");
return -1;
}
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index 7a3c0c7aad3d..e0a374d0e43a 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -929,55 +929,28 @@ static int symbol_filter(struct map *map, struct symbol *sym)
static void event__process_sample(const event_t *self, int counter)
{
u64 ip = self->ip.ip;
- struct map *map;
struct sym_entry *syme;
- struct symbol *sym;
+ struct addr_location al;
u8 origin = self->header.misc & PERF_RECORD_MISC_CPUMODE_MASK;
switch (origin) {
- case PERF_RECORD_MISC_USER: {
- struct thread *thread;
-
+ case PERF_RECORD_MISC_USER:
if (hide_user_symbols)
return;
-
- thread = threads__findnew(self->ip.pid);
- if (thread == NULL)
- return;
-
- map = thread__find_map(thread, MAP__FUNCTION, ip);
- if (map != NULL) {
- ip = map->map_ip(map, ip);
- sym = map__find_symbol(map, ip, symbol_filter);
- if (sym == NULL)
- return;
- userspace_samples++;
- break;
- }
- }
- /*
- * 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).
- */
- if ((long long)ip >= 0)
- return;
- /* Fall thru */
+ break;
case PERF_RECORD_MISC_KERNEL:
if (hide_kernel_symbols)
return;
-
- sym = kernel_maps__find_function(ip, &map, symbol_filter);
- if (sym == NULL)
- return;
break;
default:
return;
}
- syme = symbol__priv(sym);
+ if (event__preprocess_sample(self, &al, symbol_filter) < 0 ||
+ al.sym == NULL)
+ return;
+ syme = symbol__priv(al.sym);
if (!syme->skip) {
syme->count[counter]++;
syme->origin = origin;
@@ -986,8 +959,9 @@ static void event__process_sample(const event_t *self, int counter)
if (list_empty(&syme->node) || !syme->node.next)
__list_insert_active_sym(syme);
pthread_mutex_unlock(&active_symbols_lock);
+ if (origin == PERF_RECORD_MISC_USER)
+ ++userspace_samples;
++samples;
- return;
}
}
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 */
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.