perf machine: Move more machine methods to machine.c
Mechanical, no functional changes.
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-9ib6qtqge1jmms2luwu4udbx@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index e5ba984..2960284 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -28,8 +28,8 @@
symbol_filter_t filter);
static int dso__load_guest_kernel_sym(struct dso *dso, struct map *map,
symbol_filter_t filter);
-static int vmlinux_path__nr_entries;
-static char **vmlinux_path;
+int vmlinux_path__nr_entries;
+char **vmlinux_path;
struct symbol_conf symbol_conf = {
.exclude_other = true,
@@ -202,13 +202,6 @@
curr->end = ~0ULL;
}
-static void map_groups__fixup_end(struct map_groups *mg)
-{
- int i;
- for (i = 0; i < MAP__NR_TYPES; ++i)
- __map_groups__fixup_end(mg, i);
-}
-
struct symbol *symbol__new(u64 start, u64 len, u8 binding, const char *name)
{
size_t namelen = strlen(name) + 1;
@@ -652,8 +645,8 @@
return count + moved;
}
-static bool symbol__restricted_filename(const char *filename,
- const char *restricted_filename)
+bool symbol__restricted_filename(const char *filename,
+ const char *restricted_filename)
{
bool restricted = false;
@@ -887,200 +880,6 @@
return NULL;
}
-static int map_groups__set_modules_path_dir(struct map_groups *mg,
- const char *dir_name)
-{
- struct dirent *dent;
- DIR *dir = opendir(dir_name);
- int ret = 0;
-
- if (!dir) {
- pr_debug("%s: cannot open %s dir\n", __func__, dir_name);
- return -1;
- }
-
- while ((dent = readdir(dir)) != NULL) {
- char path[PATH_MAX];
- struct stat st;
-
- /*sshfs might return bad dent->d_type, so we have to stat*/
- snprintf(path, sizeof(path), "%s/%s", dir_name, dent->d_name);
- if (stat(path, &st))
- continue;
-
- if (S_ISDIR(st.st_mode)) {
- if (!strcmp(dent->d_name, ".") ||
- !strcmp(dent->d_name, ".."))
- continue;
-
- ret = map_groups__set_modules_path_dir(mg, path);
- if (ret < 0)
- goto out;
- } else {
- char *dot = strrchr(dent->d_name, '.'),
- dso_name[PATH_MAX];
- struct map *map;
- char *long_name;
-
- if (dot == NULL || strcmp(dot, ".ko"))
- continue;
- snprintf(dso_name, sizeof(dso_name), "[%.*s]",
- (int)(dot - dent->d_name), dent->d_name);
-
- strxfrchar(dso_name, '-', '_');
- map = map_groups__find_by_name(mg, MAP__FUNCTION,
- dso_name);
- if (map == NULL)
- continue;
-
- long_name = strdup(path);
- if (long_name == NULL) {
- ret = -1;
- goto out;
- }
- dso__set_long_name(map->dso, long_name);
- map->dso->lname_alloc = 1;
- dso__kernel_module_get_build_id(map->dso, "");
- }
- }
-
-out:
- closedir(dir);
- return ret;
-}
-
-static char *get_kernel_version(const char *root_dir)
-{
- char version[PATH_MAX];
- FILE *file;
- char *name, *tmp;
- const char *prefix = "Linux version ";
-
- sprintf(version, "%s/proc/version", root_dir);
- file = fopen(version, "r");
- if (!file)
- return NULL;
-
- version[0] = '\0';
- tmp = fgets(version, sizeof(version), file);
- fclose(file);
-
- name = strstr(version, prefix);
- if (!name)
- return NULL;
- name += strlen(prefix);
- tmp = strchr(name, ' ');
- if (tmp)
- *tmp = '\0';
-
- return strdup(name);
-}
-
-static int machine__set_modules_path(struct machine *machine)
-{
- char *version;
- char modules_path[PATH_MAX];
-
- version = get_kernel_version(machine->root_dir);
- if (!version)
- return -1;
-
- snprintf(modules_path, sizeof(modules_path), "%s/lib/modules/%s/kernel",
- machine->root_dir, version);
- free(version);
-
- return map_groups__set_modules_path_dir(&machine->kmaps, modules_path);
-}
-
-struct map *machine__new_module(struct machine *machine, u64 start,
- const char *filename)
-{
- struct map *map;
- struct dso *dso = __dsos__findnew(&machine->kernel_dsos, filename);
-
- if (dso == NULL)
- return NULL;
-
- map = map__new2(start, dso, MAP__FUNCTION);
- if (map == NULL)
- return NULL;
-
- if (machine__is_host(machine))
- dso->symtab_type = DSO_BINARY_TYPE__SYSTEM_PATH_KMODULE;
- else
- dso->symtab_type = DSO_BINARY_TYPE__GUEST_KMODULE;
- map_groups__insert(&machine->kmaps, map);
- return map;
-}
-
-static int machine__create_modules(struct machine *machine)
-{
- char *line = NULL;
- size_t n;
- FILE *file;
- struct map *map;
- const char *modules;
- char path[PATH_MAX];
-
- if (machine__is_default_guest(machine))
- modules = symbol_conf.default_guest_modules;
- else {
- sprintf(path, "%s/proc/modules", machine->root_dir);
- modules = path;
- }
-
- if (symbol__restricted_filename(path, "/proc/modules"))
- return -1;
-
- file = fopen(modules, "r");
- if (file == NULL)
- return -1;
-
- while (!feof(file)) {
- char name[PATH_MAX];
- u64 start;
- char *sep;
- int line_len;
-
- line_len = getline(&line, &n, file);
- if (line_len < 0)
- break;
-
- if (!line)
- goto out_failure;
-
- line[--line_len] = '\0'; /* \n */
-
- sep = strrchr(line, 'x');
- if (sep == NULL)
- continue;
-
- hex2u64(sep + 1, &start);
-
- sep = strchr(line, ' ');
- if (sep == NULL)
- continue;
-
- *sep = '\0';
-
- snprintf(name, sizeof(name), "[%s]", line);
- map = machine__new_module(machine, start, name);
- if (map == NULL)
- goto out_delete_line;
- dso__kernel_module_get_build_id(map->dso, machine->root_dir);
- }
-
- free(line);
- fclose(file);
-
- return machine__set_modules_path(machine);
-
-out_delete_line:
- free(line);
-out_failure:
- return -1;
-}
-
int dso__load_vmlinux(struct dso *dso, struct map *map,
const char *vmlinux, symbol_filter_t filter)
{
@@ -1300,195 +1099,6 @@
return err;
}
-size_t machines__fprintf_dsos(struct rb_root *machines, FILE *fp)
-{
- struct rb_node *nd;
- size_t ret = 0;
-
- for (nd = rb_first(machines); nd; nd = rb_next(nd)) {
- struct machine *pos = rb_entry(nd, struct machine, rb_node);
- ret += __dsos__fprintf(&pos->kernel_dsos, fp);
- ret += __dsos__fprintf(&pos->user_dsos, fp);
- }
-
- return ret;
-}
-
-size_t machine__fprintf_dsos_buildid(struct machine *machine, FILE *fp,
- bool (skip)(struct dso *dso, int parm), int parm)
-{
- return __dsos__fprintf_buildid(&machine->kernel_dsos, fp, skip, parm) +
- __dsos__fprintf_buildid(&machine->user_dsos, fp, skip, parm);
-}
-
-size_t machines__fprintf_dsos_buildid(struct rb_root *machines, FILE *fp,
- bool (skip)(struct dso *dso, int parm), int parm)
-{
- struct rb_node *nd;
- size_t ret = 0;
-
- for (nd = rb_first(machines); nd; nd = rb_next(nd)) {
- struct machine *pos = rb_entry(nd, struct machine, rb_node);
- ret += machine__fprintf_dsos_buildid(pos, fp, skip, parm);
- }
- return ret;
-}
-
-static struct dso *machine__get_kernel(struct machine *machine)
-{
- const char *vmlinux_name = NULL;
- struct dso *kernel;
-
- if (machine__is_host(machine)) {
- vmlinux_name = symbol_conf.vmlinux_name;
- if (!vmlinux_name)
- vmlinux_name = "[kernel.kallsyms]";
-
- kernel = dso__kernel_findnew(machine, vmlinux_name,
- "[kernel]",
- DSO_TYPE_KERNEL);
- } else {
- char bf[PATH_MAX];
-
- if (machine__is_default_guest(machine))
- vmlinux_name = symbol_conf.default_guest_vmlinux_name;
- if (!vmlinux_name)
- vmlinux_name = machine__mmap_name(machine, bf,
- sizeof(bf));
-
- kernel = dso__kernel_findnew(machine, vmlinux_name,
- "[guest.kernel]",
- DSO_TYPE_GUEST_KERNEL);
- }
-
- if (kernel != NULL && (!kernel->has_build_id))
- dso__read_running_kernel_build_id(kernel, machine);
-
- return kernel;
-}
-
-struct process_args {
- u64 start;
-};
-
-static int symbol__in_kernel(void *arg, const char *name,
- char type __maybe_unused, u64 start)
-{
- struct process_args *args = arg;
-
- if (strchr(name, '['))
- return 0;
-
- args->start = start;
- return 1;
-}
-
-/* Figure out the start address of kernel map from /proc/kallsyms */
-static u64 machine__get_kernel_start_addr(struct machine *machine)
-{
- const char *filename;
- char path[PATH_MAX];
- struct process_args args;
-
- if (machine__is_host(machine)) {
- filename = "/proc/kallsyms";
- } else {
- if (machine__is_default_guest(machine))
- filename = (char *)symbol_conf.default_guest_kallsyms;
- else {
- sprintf(path, "%s/proc/kallsyms", machine->root_dir);
- filename = path;
- }
- }
-
- if (symbol__restricted_filename(filename, "/proc/kallsyms"))
- return 0;
-
- if (kallsyms__parse(filename, &args, symbol__in_kernel) <= 0)
- return 0;
-
- return args.start;
-}
-
-int __machine__create_kernel_maps(struct machine *machine, struct dso *kernel)
-{
- enum map_type type;
- u64 start = machine__get_kernel_start_addr(machine);
-
- for (type = 0; type < MAP__NR_TYPES; ++type) {
- struct kmap *kmap;
-
- machine->vmlinux_maps[type] = map__new2(start, kernel, type);
- if (machine->vmlinux_maps[type] == NULL)
- return -1;
-
- machine->vmlinux_maps[type]->map_ip =
- machine->vmlinux_maps[type]->unmap_ip =
- identity__map_ip;
- kmap = map__kmap(machine->vmlinux_maps[type]);
- kmap->kmaps = &machine->kmaps;
- map_groups__insert(&machine->kmaps,
- machine->vmlinux_maps[type]);
- }
-
- return 0;
-}
-
-void machine__destroy_kernel_maps(struct machine *machine)
-{
- enum map_type type;
-
- for (type = 0; type < MAP__NR_TYPES; ++type) {
- struct kmap *kmap;
-
- if (machine->vmlinux_maps[type] == NULL)
- continue;
-
- kmap = map__kmap(machine->vmlinux_maps[type]);
- map_groups__remove(&machine->kmaps,
- machine->vmlinux_maps[type]);
- if (kmap->ref_reloc_sym) {
- /*
- * ref_reloc_sym is shared among all maps, so free just
- * on one of them.
- */
- if (type == MAP__FUNCTION) {
- free((char *)kmap->ref_reloc_sym->name);
- kmap->ref_reloc_sym->name = NULL;
- free(kmap->ref_reloc_sym);
- }
- kmap->ref_reloc_sym = NULL;
- }
-
- map__delete(machine->vmlinux_maps[type]);
- machine->vmlinux_maps[type] = NULL;
- }
-}
-
-int machine__create_kernel_maps(struct machine *machine)
-{
- struct dso *kernel = machine__get_kernel(machine);
-
- if (kernel == NULL ||
- __machine__create_kernel_maps(machine, kernel) < 0)
- return -1;
-
- if (symbol_conf.use_modules && machine__create_modules(machine) < 0) {
- if (machine__is_host(machine))
- pr_debug("Problems creating module maps, "
- "continuing anyway...\n");
- else
- pr_debug("Problems creating module maps for guest %d, "
- "continuing anyway...\n", machine->pid);
- }
-
- /*
- * Now that we have all the maps created, just set the ->end of them:
- */
- map_groups__fixup_end(&machine->kmaps);
- return 0;
-}
-
static void vmlinux_path__exit(void)
{
while (--vmlinux_path__nr_entries >= 0) {
@@ -1549,25 +1159,6 @@
return -1;
}
-size_t machine__fprintf_vmlinux_path(struct machine *machine, FILE *fp)
-{
- int i;
- size_t printed = 0;
- struct dso *kdso = machine->vmlinux_maps[MAP__FUNCTION]->dso;
-
- if (kdso->has_build_id) {
- char filename[PATH_MAX];
- if (dso__build_id_filename(kdso, filename, sizeof(filename)))
- printed += fprintf(fp, "[0] %s\n", filename);
- }
-
- for (i = 0; i < vmlinux_path__nr_entries; ++i)
- printed += fprintf(fp, "[%d] %s\n",
- i + kdso->has_build_id, vmlinux_path[i]);
-
- return printed;
-}
-
static int setup_list(struct strlist **list, const char *list_str,
const char *list_name)
{
@@ -1671,108 +1262,3 @@
symbol_conf.sym_list = symbol_conf.dso_list = symbol_conf.comm_list = NULL;
symbol_conf.initialized = false;
}
-
-int machines__create_kernel_maps(struct rb_root *machines, pid_t pid)
-{
- struct machine *machine = machines__findnew(machines, pid);
-
- if (machine == NULL)
- return -1;
-
- return machine__create_kernel_maps(machine);
-}
-
-int machines__create_guest_kernel_maps(struct rb_root *machines)
-{
- int ret = 0;
- struct dirent **namelist = NULL;
- int i, items = 0;
- char path[PATH_MAX];
- pid_t pid;
- char *endp;
-
- if (symbol_conf.default_guest_vmlinux_name ||
- symbol_conf.default_guest_modules ||
- symbol_conf.default_guest_kallsyms) {
- machines__create_kernel_maps(machines, DEFAULT_GUEST_KERNEL_ID);
- }
-
- if (symbol_conf.guestmount) {
- items = scandir(symbol_conf.guestmount, &namelist, NULL, NULL);
- if (items <= 0)
- return -ENOENT;
- for (i = 0; i < items; i++) {
- if (!isdigit(namelist[i]->d_name[0])) {
- /* Filter out . and .. */
- continue;
- }
- pid = (pid_t)strtol(namelist[i]->d_name, &endp, 10);
- if ((*endp != '\0') ||
- (endp == namelist[i]->d_name) ||
- (errno == ERANGE)) {
- pr_debug("invalid directory (%s). Skipping.\n",
- namelist[i]->d_name);
- continue;
- }
- sprintf(path, "%s/%s/proc/kallsyms",
- symbol_conf.guestmount,
- namelist[i]->d_name);
- ret = access(path, R_OK);
- if (ret) {
- pr_debug("Can't access file %s\n", path);
- goto failure;
- }
- machines__create_kernel_maps(machines, pid);
- }
-failure:
- free(namelist);
- }
-
- return ret;
-}
-
-void machines__destroy_guest_kernel_maps(struct rb_root *machines)
-{
- struct rb_node *next = rb_first(machines);
-
- while (next) {
- struct machine *pos = rb_entry(next, struct machine, rb_node);
-
- next = rb_next(&pos->rb_node);
- rb_erase(&pos->rb_node, machines);
- machine__delete(pos);
- }
-}
-
-int machine__load_kallsyms(struct machine *machine, const char *filename,
- enum map_type type, symbol_filter_t filter)
-{
- struct map *map = machine->vmlinux_maps[type];
- int ret = dso__load_kallsyms(map->dso, filename, map, filter);
-
- if (ret > 0) {
- dso__set_loaded(map->dso, type);
- /*
- * Since /proc/kallsyms will have multiple sessions for the
- * kernel, with modules between them, fixup the end of all
- * sections.
- */
- __map_groups__fixup_end(&machine->kmaps, type);
- }
-
- return ret;
-}
-
-int machine__load_vmlinux_path(struct machine *machine, enum map_type type,
- symbol_filter_t filter)
-{
- struct map *map = machine->vmlinux_maps[type];
- int ret = dso__load_vmlinux_path(map->dso, map, filter);
-
- if (ret > 0) {
- dso__set_loaded(map->dso, type);
- map__reloc_vmlinux(map);
- }
-
- return ret;
-}