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-rw-r--r--tools/perf/util/event.c13
-rw-r--r--tools/perf/util/event.h10
-rw-r--r--tools/perf/util/map.c14
-rw-r--r--tools/perf/util/session.c19
-rw-r--r--tools/perf/util/session.h6
-rw-r--r--tools/perf/util/symbol.c89
-rw-r--r--tools/perf/util/symbol.h11
-rw-r--r--tools/perf/util/thread.c3
-rw-r--r--tools/perf/util/thread.h11
9 files changed, 96 insertions, 80 deletions
diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c
index 2d09c29..222efb1 100644
--- a/tools/perf/util/event.c
+++ b/tools/perf/util/event.c
@@ -256,7 +256,8 @@ int event__process_task(event_t *self, struct perf_session *session)
return 0;
}
-void thread__find_addr_location(struct thread *self, u8 cpumode,
+void thread__find_addr_location(struct thread *self,
+ struct perf_session *session, u8 cpumode,
enum map_type type, u64 addr,
struct addr_location *al,
symbol_filter_t filter)
@@ -268,7 +269,7 @@ void thread__find_addr_location(struct thread *self, u8 cpumode,
if (cpumode & PERF_RECORD_MISC_KERNEL) {
al->level = 'k';
- mg = kmaps;
+ mg = &session->kmaps;
} else if (cpumode & PERF_RECORD_MISC_USER)
al->level = '.';
else {
@@ -289,14 +290,14 @@ try_again:
* "[vdso]" dso, but for now lets use the old trick of looking
* in the whole kernel symbol list.
*/
- if ((long long)al->addr < 0 && mg != kmaps) {
- mg = kmaps;
+ if ((long long)al->addr < 0 && mg != &session->kmaps) {
+ mg = &session->kmaps;
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);
+ al->sym = map__find_symbol(al->map, session, al->addr, filter);
}
}
@@ -311,7 +312,7 @@ int event__preprocess_sample(const event_t *self, struct perf_session *session,
dump_printf(" ... thread: %s:%d\n", thread->comm, thread->pid);
- thread__find_addr_location(thread, cpumode, MAP__FUNCTION,
+ thread__find_addr_location(thread, session, cpumode, MAP__FUNCTION,
self->ip.ip, al, filter);
dump_printf(" ...... dso: %s\n",
al->map ? al->map->dso->long_name :
diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h
index bb09025..035ecf3 100644
--- a/tools/perf/util/event.h
+++ b/tools/perf/util/event.h
@@ -149,15 +149,17 @@ void map__delete(struct map *self);
struct map *map__clone(struct map *self);
int map__overlap(struct map *l, struct map *r);
size_t map__fprintf(struct map *self, FILE *fp);
-struct symbol *map__find_symbol(struct map *self, u64 addr,
- symbol_filter_t filter);
+
+struct perf_session;
+
+struct symbol *map__find_symbol(struct map *self, struct perf_session *session,
+ u64 addr, symbol_filter_t filter);
struct symbol *map__find_symbol_by_name(struct map *self, const char *name,
+ struct perf_session *session,
symbol_filter_t filter);
void map__fixup_start(struct map *self);
void map__fixup_end(struct map *self);
-struct perf_session;
-
int event__synthesize_thread(pid_t pid,
int (*process)(event_t *event,
struct perf_session *session),
diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c
index 76bdca6..8b3dd46 100644
--- a/tools/perf/util/map.c
+++ b/tools/perf/util/map.c
@@ -104,10 +104,11 @@ void map__fixup_end(struct map *self)
#define DSO__DELETED "(deleted)"
-static int map__load(struct map *self, symbol_filter_t filter)
+static int map__load(struct map *self, struct perf_session *session,
+ symbol_filter_t filter)
{
const char *name = self->dso->long_name;
- int nr = dso__load(self->dso, self, filter);
+ int nr = dso__load(self->dso, self, session, filter);
if (nr < 0) {
if (self->dso->has_build_id) {
@@ -143,19 +144,20 @@ static int map__load(struct map *self, symbol_filter_t filter)
return 0;
}
-struct symbol *map__find_symbol(struct map *self, u64 addr,
- symbol_filter_t filter)
+struct symbol *map__find_symbol(struct map *self, struct perf_session *session,
+ u64 addr, symbol_filter_t filter)
{
- if (!dso__loaded(self->dso, self->type) && map__load(self, filter) < 0)
+ if (!dso__loaded(self->dso, self->type) && map__load(self, session, filter) < 0)
return NULL;
return dso__find_symbol(self->dso, self->type, addr);
}
struct symbol *map__find_symbol_by_name(struct map *self, const char *name,
+ struct perf_session *session,
symbol_filter_t filter)
{
- if (!dso__loaded(self->dso, self->type) && map__load(self, filter) < 0)
+ if (!dso__loaded(self->dso, self->type) && map__load(self, session, filter) < 0)
return NULL;
if (!dso__sorted_by_name(self->dso, self->type))
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index 09836a5..fe87a2f 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -49,7 +49,7 @@ out_close:
}
struct perf_session *perf_session__new(const char *filename, int mode,
- bool force)
+ bool force, struct symbol_conf *conf)
{
size_t len = filename ? strlen(filename) + 1 : 0;
struct perf_session *self = zalloc(sizeof(*self) + len);
@@ -58,7 +58,7 @@ struct perf_session *perf_session__new(const char *filename, int mode,
goto out;
if (perf_header__init(&self->header) < 0)
- goto out_delete;
+ goto out_free;
memcpy(self->filename, filename, len);
self->threads = RB_ROOT;
@@ -66,16 +66,21 @@ struct perf_session *perf_session__new(const char *filename, int mode,
self->mmap_window = 32;
self->cwd = NULL;
self->cwdlen = 0;
+ map_groups__init(&self->kmaps);
- if (mode == O_RDONLY && perf_session__open(self, force) < 0) {
- perf_session__delete(self);
- self = NULL;
- }
+ if (perf_session__create_kernel_maps(self, conf) < 0)
+ goto out_delete;
+
+ if (mode == O_RDONLY && perf_session__open(self, force) < 0)
+ goto out_delete;
out:
return self;
-out_delete:
+out_free:
free(self);
return NULL;
+out_delete:
+ perf_session__delete(self);
+ return NULL;
}
void perf_session__delete(struct perf_session *self)
diff --git a/tools/perf/util/session.h b/tools/perf/util/session.h
index 1dbef7c..20b2c9c 100644
--- a/tools/perf/util/session.h
+++ b/tools/perf/util/session.h
@@ -3,19 +3,23 @@
#include "event.h"
#include "header.h"
+#include "thread.h"
#include <linux/rbtree.h>
struct thread;
+struct symbol_conf;
struct perf_session {
struct perf_header header;
unsigned long size;
unsigned long mmap_window;
+ struct map_groups kmaps;
struct rb_root threads;
struct thread *last_match;
int fd;
int cwdlen;
char *cwd;
+ bool use_modules;
char filename[0];
};
@@ -37,7 +41,7 @@ struct perf_event_ops {
};
struct perf_session *perf_session__new(const char *filename, int mode,
- bool force);
+ bool force, struct symbol_conf *conf);
void perf_session__delete(struct perf_session *self);
int perf_session__process_events(struct perf_session *self,
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index d3d9fed..185b9ee 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -1,5 +1,6 @@
#include "util.h"
#include "../perf.h"
+#include "session.h"
#include "string.h"
#include "symbol.h"
#include "thread.h"
@@ -31,7 +32,7 @@ enum dso_origin {
static void dsos__add(struct list_head *head, struct dso *dso);
static struct map *map__new2(u64 start, struct dso *dso, enum map_type type);
static int dso__load_kernel_sym(struct dso *self, struct map *map,
- struct map_groups *mg, symbol_filter_t filter);
+ struct perf_session *session, symbol_filter_t filter);
unsigned int symbol__priv_size;
static int vmlinux_path__nr_entries;
static char **vmlinux_path;
@@ -41,9 +42,6 @@ static struct symbol_conf symbol_conf__defaults = {
.try_vmlinux_path = true,
};
-static struct map_groups kmaps_mem;
-struct map_groups *kmaps = &kmaps_mem;
-
bool dso__loaded(const struct dso *self, enum map_type type)
{
return self->loaded & (1 << type);
@@ -456,7 +454,7 @@ out_failure:
* the original ELF section names vmlinux have.
*/
static int dso__split_kallsyms(struct dso *self, struct map *map,
- struct map_groups *mg, symbol_filter_t filter)
+ struct perf_session *session, symbol_filter_t filter)
{
struct map *curr_map = map;
struct symbol *pos;
@@ -473,13 +471,13 @@ static int dso__split_kallsyms(struct dso *self, struct map *map,
module = strchr(pos->name, '\t');
if (module) {
- if (!mg->use_modules)
+ if (!session->use_modules)
goto discard_symbol;
*module++ = '\0';
if (strcmp(self->name, module)) {
- curr_map = map_groups__find_by_name(mg, map->type, module);
+ curr_map = map_groups__find_by_name(&session->kmaps, map->type, module);
if (curr_map == NULL) {
pr_debug("/proc/{kallsyms,modules} "
"inconsistency!\n");
@@ -510,7 +508,7 @@ static int dso__split_kallsyms(struct dso *self, struct map *map,
}
curr_map->map_ip = curr_map->unmap_ip = identity__map_ip;
- map_groups__insert(mg, curr_map);
+ map_groups__insert(&session->kmaps, curr_map);
++kernel_range;
}
@@ -531,7 +529,7 @@ discard_symbol: rb_erase(&pos->rb_node, root);
static int dso__load_kallsyms(struct dso *self, struct map *map,
- struct map_groups *mg, symbol_filter_t filter)
+ struct perf_session *session, symbol_filter_t filter)
{
if (dso__load_all_kallsyms(self, map) < 0)
return -1;
@@ -539,14 +537,7 @@ static int dso__load_kallsyms(struct dso *self, struct map *map,
symbols__fixup_end(&self->symbols[map->type]);
self->origin = DSO__ORIG_KERNEL;
- return dso__split_kallsyms(self, map, mg, filter);
-}
-
-size_t kernel_maps__fprintf(FILE *fp)
-{
- size_t printed = fprintf(fp, "Kernel maps:\n");
- printed += map_groups__fprintf_maps(kmaps, fp);
- return printed + fprintf(fp, "END kernel maps\n");
+ return dso__split_kallsyms(self, map, session, filter);
}
static int dso__load_perf_map(struct dso *self, struct map *map,
@@ -873,7 +864,7 @@ static bool elf_sec__is_a(GElf_Shdr *self, Elf_Data *secstrs, enum map_type type
}
static int dso__load_sym(struct dso *self, struct map *map,
- struct map_groups *mg, const char *name, int fd,
+ struct perf_session *session, const char *name, int fd,
symbol_filter_t filter, int kernel, int kmodule)
{
struct map *curr_map = map;
@@ -977,7 +968,7 @@ static int dso__load_sym(struct dso *self, struct map *map,
snprintf(dso_name, sizeof(dso_name),
"%s%s", self->short_name, section_name);
- curr_map = map_groups__find_by_name(mg, map->type, dso_name);
+ curr_map = map_groups__find_by_name(&session->kmaps, map->type, dso_name);
if (curr_map == NULL) {
u64 start = sym.st_value;
@@ -996,7 +987,7 @@ static int dso__load_sym(struct dso *self, struct map *map,
curr_map->map_ip = identity__map_ip;
curr_map->unmap_ip = identity__map_ip;
curr_dso->origin = DSO__ORIG_KERNEL;
- map_groups__insert(kmaps, curr_map);
+ map_groups__insert(&session->kmaps, curr_map);
dsos__add(&dsos__kernel, curr_dso);
} else
curr_dso = curr_map->dso;
@@ -1211,7 +1202,8 @@ char dso__symtab_origin(const struct dso *self)
return origin[self->origin];
}
-int dso__load(struct dso *self, struct map *map, symbol_filter_t filter)
+int dso__load(struct dso *self, struct map *map, struct perf_session *session,
+ symbol_filter_t filter)
{
int size = PATH_MAX;
char *name;
@@ -1222,7 +1214,7 @@ int dso__load(struct dso *self, struct map *map, symbol_filter_t filter)
dso__set_loaded(self, map->type);
if (self->kernel)
- return dso__load_kernel_sym(self, map, kmaps, filter);
+ return dso__load_kernel_sym(self, map, session, filter);
name = malloc(size);
if (!name)
@@ -1323,7 +1315,7 @@ struct map *map_groups__find_by_name(struct map_groups *self,
return NULL;
}
-static int dsos__set_modules_path_dir(char *dirname)
+static int perf_session__set_modules_path_dir(struct perf_session *self, char *dirname)
{
struct dirent *dent;
DIR *dir = opendir(dirname);
@@ -1343,7 +1335,7 @@ static int dsos__set_modules_path_dir(char *dirname)
snprintf(path, sizeof(path), "%s/%s",
dirname, dent->d_name);
- if (dsos__set_modules_path_dir(path) < 0)
+ if (perf_session__set_modules_path_dir(self, path) < 0)
goto failure;
} else {
char *dot = strrchr(dent->d_name, '.'),
@@ -1357,7 +1349,7 @@ static int dsos__set_modules_path_dir(char *dirname)
(int)(dot - dent->d_name), dent->d_name);
strxfrchar(dso_name, '-', '_');
- map = map_groups__find_by_name(kmaps, MAP__FUNCTION, dso_name);
+ map = map_groups__find_by_name(&self->kmaps, MAP__FUNCTION, dso_name);
if (map == NULL)
continue;
@@ -1377,7 +1369,7 @@ failure:
return -1;
}
-static int dsos__set_modules_path(void)
+static int perf_session__set_modules_path(struct perf_session *self)
{
struct utsname uts;
char modules_path[PATH_MAX];
@@ -1388,7 +1380,7 @@ static int dsos__set_modules_path(void)
snprintf(modules_path, sizeof(modules_path), "/lib/modules/%s/kernel",
uts.release);
- return dsos__set_modules_path_dir(modules_path);
+ return perf_session__set_modules_path_dir(self, modules_path);
}
/*
@@ -1410,7 +1402,7 @@ static struct map *map__new2(u64 start, struct dso *dso, enum map_type type)
return self;
}
-static int map_groups__create_module_maps(struct map_groups *self)
+static int perf_session__create_module_maps(struct perf_session *self)
{
char *line = NULL;
size_t n;
@@ -1467,14 +1459,14 @@ static int map_groups__create_module_maps(struct map_groups *self)
dso->has_build_id = true;
dso->origin = DSO__ORIG_KMODULE;
- map_groups__insert(self, map);
+ map_groups__insert(&self->kmaps, map);
dsos__add(&dsos__kernel, dso);
}
free(line);
fclose(file);
- return dsos__set_modules_path();
+ return perf_session__set_modules_path(self);
out_delete_line:
free(line);
@@ -1483,7 +1475,7 @@ out_failure:
}
static int dso__load_vmlinux(struct dso *self, struct map *map,
- struct map_groups *mg,
+ struct perf_session *session,
const char *vmlinux, symbol_filter_t filter)
{
int err = -1, fd;
@@ -1517,14 +1509,14 @@ static int dso__load_vmlinux(struct dso *self, struct map *map,
return -1;
dso__set_loaded(self, map->type);
- err = dso__load_sym(self, map, mg, self->long_name, fd, filter, 1, 0);
+ err = dso__load_sym(self, map, session, self->long_name, fd, filter, 1, 0);
close(fd);
return err;
}
static int dso__load_kernel_sym(struct dso *self, struct map *map,
- struct map_groups *mg, symbol_filter_t filter)
+ struct perf_session *session, symbol_filter_t filter)
{
int err;
bool is_kallsyms;
@@ -1534,7 +1526,7 @@ static int dso__load_kernel_sym(struct dso *self, struct map *map,
pr_debug("Looking at the vmlinux_path (%d entries long)\n",
vmlinux_path__nr_entries);
for (i = 0; i < vmlinux_path__nr_entries; ++i) {
- err = dso__load_vmlinux(self, map, mg,
+ err = dso__load_vmlinux(self, map, session,
vmlinux_path[i], filter);
if (err > 0) {
pr_debug("Using %s for symbols\n",
@@ -1550,12 +1542,12 @@ static int dso__load_kernel_sym(struct dso *self, struct map *map,
if (is_kallsyms)
goto do_kallsyms;
- err = dso__load_vmlinux(self, map, mg, self->long_name, filter);
+ err = dso__load_vmlinux(self, map, session, self->long_name, filter);
if (err <= 0) {
pr_info("The file %s cannot be used, "
"trying to use /proc/kallsyms...", self->long_name);
do_kallsyms:
- err = dso__load_kallsyms(self, map, mg, filter);
+ err = dso__load_kallsyms(self, map, session, filter);
if (err > 0 && !is_kallsyms)
dso__set_long_name(self, strdup("[kernel.kallsyms]"));
}
@@ -1757,23 +1749,30 @@ int symbol__init(struct symbol_conf *conf)
if (pconf->sort_by_name)
symbol__priv_size += (sizeof(struct symbol_name_rb_node) -
sizeof(struct symbol));
- map_groups__init(kmaps);
if (pconf->try_vmlinux_path && vmlinux_path__init() < 0)
return -1;
- if (map_groups__create_kernel_maps(kmaps, pconf->vmlinux_name) < 0) {
- vmlinux_path__exit();
+ return 0;
+}
+
+int perf_session__create_kernel_maps(struct perf_session *self,
+ struct symbol_conf *conf)
+{
+ const struct symbol_conf *pconf = conf ?: &symbol_conf__defaults;
+
+ if (map_groups__create_kernel_maps(&self->kmaps,
+ pconf->vmlinux_name) < 0)
return -1;
- }
- kmaps->use_modules = pconf->use_modules;
- if (pconf->use_modules && map_groups__create_module_maps(kmaps) < 0)
- pr_debug("Failed to load list of modules in use, "
- "continuing...\n");
+ self->use_modules = pconf->use_modules;
+
+ if (pconf->use_modules && perf_session__create_module_maps(self) < 0)
+ pr_debug("Failed to load list of modules for session %s, "
+ "continuing...\n", self->filename);
/*
* Now that we have all the maps created, just set the ->end of them:
*/
- map_groups__fixup_end(kmaps);
+ map_groups__fixup_end(&self->kmaps);
return 0;
}
diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h
index cf99f88..941ef33 100644
--- a/tools/perf/util/symbol.h
+++ b/tools/perf/util/symbol.h
@@ -98,8 +98,11 @@ bool dso__sorted_by_name(const struct dso *self, enum map_type type);
void dso__sort_by_name(struct dso *self, enum map_type type);
+struct perf_session;
+
struct dso *dsos__findnew(const char *name);
-int dso__load(struct dso *self, struct map *map, symbol_filter_t filter);
+int dso__load(struct dso *self, struct map *map, struct perf_session *session,
+ symbol_filter_t filter);
void dsos__fprintf(FILE *fp);
size_t dsos__fprintf_buildid(FILE *fp);
@@ -116,12 +119,10 @@ int sysfs__read_build_id(const char *filename, void *bf, size_t size);
bool dsos__read_build_ids(void);
int build_id__sprintf(u8 *self, int len, char *bf);
-size_t kernel_maps__fprintf(FILE *fp);
-
int symbol__init(struct symbol_conf *conf);
+int perf_session__create_kernel_maps(struct perf_session *self,
+ struct symbol_conf *conf);
-struct map_groups;
-struct map_groups *kmaps;
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 634b7f7..4a08dcf 100644
--- a/tools/perf/util/thread.c
+++ b/tools/perf/util/thread.c
@@ -282,13 +282,14 @@ size_t perf_session__fprintf(struct perf_session *self, FILE *fp)
}
struct symbol *map_groups__find_symbol(struct map_groups *self,
+ struct perf_session *session,
enum map_type type, u64 addr,
symbol_filter_t filter)
{
struct map *map = map_groups__find(self, type, addr);
if (map != NULL)
- return map__find_symbol(map, map->map_ip(map, addr), filter);
+ return map__find_symbol(map, session, map->map_ip(map, addr), filter);
return NULL;
}
diff --git a/tools/perf/util/thread.h b/tools/perf/util/thread.h
index e93abf2..c206f72 100644
--- a/tools/perf/util/thread.h
+++ b/tools/perf/util/thread.h
@@ -8,7 +8,6 @@
struct map_groups {
struct rb_root maps[MAP__NR_TYPES];
struct list_head removed_maps[MAP__NR_TYPES];
- bool use_modules;
};
struct thread {
@@ -49,19 +48,21 @@ static inline struct map *thread__find_map(struct thread *self,
return self ? map_groups__find(&self->mg, type, addr) : NULL;
}
-void thread__find_addr_location(struct thread *self, u8 cpumode,
+void thread__find_addr_location(struct thread *self,
+ struct perf_session *session, u8 cpumode,
enum map_type type, u64 addr,
struct addr_location *al,
symbol_filter_t filter);
struct symbol *map_groups__find_symbol(struct map_groups *self,
+ struct perf_session *session,
enum map_type type, u64 addr,
symbol_filter_t filter);
static inline struct symbol *
-map_groups__find_function(struct map_groups *self, u64 addr,
- symbol_filter_t filter)
+map_groups__find_function(struct map_groups *self, struct perf_session *session,
+ u64 addr, symbol_filter_t filter)
{
- return map_groups__find_symbol(self, MAP__FUNCTION, addr, filter);
+ return map_groups__find_symbol(self, session, MAP__FUNCTION, addr, filter);
}
struct map *map_groups__find_by_name(struct map_groups *self,
generated by cgit v1.1 at 2024-12-23 18:21:37 +0000