summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--tools/perf/util/machine.c742
-rw-r--r--tools/perf/util/machine.h3
-rw-r--r--tools/perf/util/session.c210
-rw-r--r--tools/perf/util/symbol.c522
-rw-r--r--tools/perf/util/symbol.h4
-rw-r--r--tools/perf/util/thread.c20
-rw-r--r--tools/perf/util/thread.h1
7 files changed, 756 insertions, 746 deletions
diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c
index 1f09d0581e6b..71fa90391fe4 100644
--- a/tools/perf/util/machine.c
+++ b/tools/perf/util/machine.c
@@ -1,10 +1,15 @@
+#include "callchain.h"
#include "debug.h"
#include "event.h"
+#include "evsel.h"
+#include "hist.h"
#include "machine.h"
#include "map.h"
+#include "sort.h"
#include "strlist.h"
#include "thread.h"
#include <stdbool.h>
+#include "unwind.h"
int machine__init(struct machine *machine, const char *root_dir, pid_t pid)
{
@@ -48,6 +53,29 @@ static void dsos__delete(struct list_head *dsos)
}
}
+void machine__delete_dead_threads(struct machine *machine)
+{
+ struct thread *n, *t;
+
+ list_for_each_entry_safe(t, n, &machine->dead_threads, node) {
+ list_del(&t->node);
+ thread__delete(t);
+ }
+}
+
+void machine__delete_threads(struct machine *machine)
+{
+ struct rb_node *nd = rb_first(&machine->threads);
+
+ while (nd) {
+ struct thread *t = rb_entry(nd, struct thread, rb_node);
+
+ rb_erase(&t->rb_node, &machine->threads);
+ nd = rb_next(nd);
+ thread__delete(t);
+ }
+}
+
void machine__exit(struct machine *machine)
{
map_groups__exit(&machine->kmaps);
@@ -264,6 +292,534 @@ int machine__process_lost_event(struct machine *machine __maybe_unused,
return 0;
}
+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;
+}
+
+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;
+}
+
+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;
+}
+
+size_t machine__fprintf(struct machine *machine, FILE *fp)
+{
+ size_t ret = 0;
+ struct rb_node *nd;
+
+ for (nd = rb_first(&machine->threads); nd; nd = rb_next(nd)) {
+ struct thread *pos = rb_entry(nd, struct thread, rb_node);
+
+ ret += thread__fprintf(pos, fp);
+ }
+
+ 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 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 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 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;
+}
+
+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);
+}
+
+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 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 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);
+}
+
+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 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 machine__set_kernel_mmap_len(struct machine *machine,
union perf_event *event)
{
@@ -462,3 +1018,189 @@ int machine__process_event(struct machine *machine, union perf_event *event)
return ret;
}
+
+void machine__remove_thread(struct machine *machine, struct thread *th)
+{
+ machine->last_match = NULL;
+ rb_erase(&th->rb_node, &machine->threads);
+ /*
+ * We may have references to this thread, for instance in some hist_entry
+ * instances, so just move them to a separate list.
+ */
+ list_add_tail(&th->node, &machine->dead_threads);
+}
+
+static bool symbol__match_parent_regex(struct symbol *sym)
+{
+ if (sym->name && !regexec(&parent_regex, sym->name, 0, NULL, 0))
+ return 1;
+
+ return 0;
+}
+
+static const u8 cpumodes[] = {
+ PERF_RECORD_MISC_USER,
+ PERF_RECORD_MISC_KERNEL,
+ PERF_RECORD_MISC_GUEST_USER,
+ PERF_RECORD_MISC_GUEST_KERNEL
+};
+#define NCPUMODES (sizeof(cpumodes)/sizeof(u8))
+
+static void ip__resolve_ams(struct machine *machine, struct thread *thread,
+ struct addr_map_symbol *ams,
+ u64 ip)
+{
+ struct addr_location al;
+ size_t i;
+ u8 m;
+
+ memset(&al, 0, sizeof(al));
+
+ for (i = 0; i < NCPUMODES; i++) {
+ m = cpumodes[i];
+ /*
+ * We cannot use the header.misc hint to determine whether a
+ * branch stack address is user, kernel, guest, hypervisor.
+ * Branches may straddle the kernel/user/hypervisor boundaries.
+ * Thus, we have to try consecutively until we find a match
+ * or else, the symbol is unknown
+ */
+ thread__find_addr_location(thread, machine, m, MAP__FUNCTION,
+ ip, &al, NULL);
+ if (al.sym)
+ goto found;
+ }
+found:
+ ams->addr = ip;
+ ams->al_addr = al.addr;
+ ams->sym = al.sym;
+ ams->map = al.map;
+}
+
+struct branch_info *machine__resolve_bstack(struct machine *machine,
+ struct thread *thr,
+ struct branch_stack *bs)
+{
+ struct branch_info *bi;
+ unsigned int i;
+
+ bi = calloc(bs->nr, sizeof(struct branch_info));
+ if (!bi)
+ return NULL;
+
+ for (i = 0; i < bs->nr; i++) {
+ ip__resolve_ams(machine, thr, &bi[i].to, bs->entries[i].to);
+ ip__resolve_ams(machine, thr, &bi[i].from, bs->entries[i].from);
+ bi[i].flags = bs->entries[i].flags;
+ }
+ return bi;
+}
+
+static int machine__resolve_callchain_sample(struct machine *machine,
+ struct thread *thread,
+ struct ip_callchain *chain,
+ struct symbol **parent)
+
+{
+ u8 cpumode = PERF_RECORD_MISC_USER;
+ unsigned int i;
+ int err;
+
+ callchain_cursor_reset(&callchain_cursor);
+
+ if (chain->nr > PERF_MAX_STACK_DEPTH) {
+ pr_warning("corrupted callchain. skipping...\n");
+ return 0;
+ }
+
+ for (i = 0; i < chain->nr; i++) {
+ u64 ip;
+ struct addr_location al;
+
+ if (callchain_param.order == ORDER_CALLEE)
+ ip = chain->ips[i];
+ else
+ ip = chain->ips[chain->nr - i - 1];
+
+ if (ip >= PERF_CONTEXT_MAX) {
+ 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:
+ pr_debug("invalid callchain context: "
+ "%"PRId64"\n", (s64) ip);
+ /*
+ * It seems the callchain is corrupted.
+ * Discard all.
+ */
+ callchain_cursor_reset(&callchain_cursor);
+ return 0;
+ }
+ continue;
+ }
+
+ al.filtered = false;
+ thread__find_addr_location(thread, machine, cpumode,
+ MAP__FUNCTION, ip, &al, NULL);
+ if (al.sym != NULL) {
+ if (sort__has_parent && !*parent &&
+ symbol__match_parent_regex(al.sym))
+ *parent = al.sym;
+ if (!symbol_conf.use_callchain)
+ break;
+ }
+
+ err = callchain_cursor_append(&callchain_cursor,
+ ip, al.map, al.sym);
+ if (err)
+ return err;
+ }
+
+ return 0;
+}
+
+static int unwind_entry(struct unwind_entry *entry, void *arg)
+{
+ struct callchain_cursor *cursor = arg;
+ return callchain_cursor_append(cursor, entry->ip,
+ entry->map, entry->sym);
+}
+
+int machine__resolve_callchain(struct machine *machine,
+ struct perf_evsel *evsel,
+ struct thread *thread,
+ struct perf_sample *sample,
+ struct symbol **parent)
+
+{
+ int ret;
+
+ callchain_cursor_reset(&callchain_cursor);
+
+ ret = machine__resolve_callchain_sample(machine, thread,
+ sample->callchain, parent);
+ if (ret)
+ return ret;
+
+ /* Can we do dwarf post unwind? */
+ if (!((evsel->attr.sample_type & PERF_SAMPLE_REGS_USER) &&
+ (evsel->attr.sample_type & PERF_SAMPLE_STACK_USER)))
+ return 0;
+
+ /* Bail out if nothing was captured. */
+ if ((!sample->user_regs.regs) ||
+ (!sample->user_stack.size))
+ return 0;
+
+ return unwind__get_entries(unwind_entry, &callchain_cursor, machine,
+ thread, evsel->attr.sample_regs_user,
+ sample);
+
+}
diff --git a/tools/perf/util/machine.h b/tools/perf/util/machine.h
index 646ad13005d3..e11236878ec1 100644
--- a/tools/perf/util/machine.h
+++ b/tools/perf/util/machine.h
@@ -61,9 +61,10 @@ char *machine__mmap_name(struct machine *machine, char *bf, size_t size);
int machine__init(struct machine *machine, const char *root_dir, pid_t pid);
void machine__exit(struct machine *machine);
+void machine__delete_dead_threads(struct machine *machine);
+void machine__delete_threads(struct machine *machine);
void machine__delete(struct machine *machine);
-
struct branch_info *machine__resolve_bstack(struct machine *machine,
struct thread *thread,
struct branch_stack *bs);
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index 8d04dfbc205c..76d6e257b8a4 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -16,7 +16,6 @@
#include "cpumap.h"
#include "event-parse.h"
#include "perf_regs.h"
-#include "unwind.h"
#include "vdso.h"
static int perf_session__open(struct perf_session *self, bool force)
@@ -162,34 +161,11 @@ out_delete:
return NULL;
}
-static void machine__delete_dead_threads(struct machine *machine)
-{
- struct thread *n, *t;
-
- list_for_each_entry_safe(t, n, &machine->dead_threads, node) {
- list_del(&t->node);
- thread__delete(t);
- }
-}
-
static void perf_session__delete_dead_threads(struct perf_session *session)
{
machine__delete_dead_threads(&session->host_machine);
}
-static void machine__delete_threads(struct machine *self)
-{
- struct rb_node *nd = rb_first(&self->threads);
-
- while (nd) {
- struct thread *t = rb_entry(nd, struct thread, rb_node);
-
- rb_erase(&t->rb_node, &self->threads);
- nd = rb_next(nd);
- thread__delete(t);
- }
-}
-
static void perf_session__delete_threads(struct perf_session *session)
{
machine__delete_threads(&session->host_machine);
@@ -223,192 +199,6 @@ void perf_session__delete(struct perf_session *self)
vdso__exit();
}
-void machine__remove_thread(struct machine *self, struct thread *th)
-{
- self->last_match = NULL;
- rb_erase(&th->rb_node, &self->threads);
- /*
- * We may have references to this thread, for instance in some hist_entry
- * instances, so just move them to a separate list.
- */
- list_add_tail(&th->node, &self->dead_threads);
-}
-
-static bool symbol__match_parent_regex(struct symbol *sym)
-{
- if (sym->name && !regexec(&parent_regex, sym->name, 0, NULL, 0))
- return 1;
-
- return 0;
-}
-
-static const u8 cpumodes[] = {
- PERF_RECORD_MISC_USER,
- PERF_RECORD_MISC_KERNEL,
- PERF_RECORD_MISC_GUEST_USER,
- PERF_RECORD_MISC_GUEST_KERNEL
-};
-#define NCPUMODES (sizeof(cpumodes)/sizeof(u8))
-
-static void ip__resolve_ams(struct machine *self, struct thread *thread,
- struct addr_map_symbol *ams,
- u64 ip)
-{
- struct addr_location al;
- size_t i;
- u8 m;
-
- memset(&al, 0, sizeof(al));
-
- for (i = 0; i < NCPUMODES; i++) {
- m = cpumodes[i];
- /*
- * We cannot use the header.misc hint to determine whether a
- * branch stack address is user, kernel, guest, hypervisor.
- * Branches may straddle the kernel/user/hypervisor boundaries.
- * Thus, we have to try consecutively until we find a match
- * or else, the symbol is unknown
- */
- thread__find_addr_location(thread, self, m, MAP__FUNCTION,
- ip, &al, NULL);
- if (al.sym)
- goto found;
- }
-found:
- ams->addr = ip;
- ams->al_addr = al.addr;
- ams->sym = al.sym;
- ams->map = al.map;
-}
-
-struct branch_info *machine__resolve_bstack(struct machine *self,
- struct thread *thr,
- struct branch_stack *bs)
-{
- struct branch_info *bi;
- unsigned int i;
-
- bi = calloc(bs->nr, sizeof(struct branch_info));
- if (!bi)
- return NULL;
-
- for (i = 0; i < bs->nr; i++) {
- ip__resolve_ams(self, thr, &bi[i].to, bs->entries[i].to);
- ip__resolve_ams(self, thr, &bi[i].from, bs->entries[i].from);
- bi[i].flags = bs->entries[i].flags;
- }
- return bi;
-}
-
-static int machine__resolve_callchain_sample(struct machine *machine,
- struct thread *thread,
- struct ip_callchain *chain,
- struct symbol **parent)
-
-{
- u8 cpumode = PERF_RECORD_MISC_USER;
- unsigned int i;
- int err;
-
- callchain_cursor_reset(&callchain_cursor);
-
- if (chain->nr > PERF_MAX_STACK_DEPTH) {
- pr_warning("corrupted callchain. skipping...\n");
- return 0;
- }
-
- for (i = 0; i < chain->nr; i++) {
- u64 ip;
- struct addr_location al;
-
- if (callchain_param.order == ORDER_CALLEE)
- ip = chain->ips[i];
- else
- ip = chain->ips[chain->nr - i - 1];
-
- if (ip >= PERF_CONTEXT_MAX) {
- 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:
- pr_debug("invalid callchain context: "
- "%"PRId64"\n", (s64) ip);
- /*
- * It seems the callchain is corrupted.
- * Discard all.
- */
- callchain_cursor_reset(&callchain_cursor);
- return 0;
- }
- continue;
- }
-
- al.filtered = false;
- thread__find_addr_location(thread, machine, cpumode,
- MAP__FUNCTION, ip, &al, NULL);
- if (al.sym != NULL) {
- if (sort__has_parent && !*parent &&
- symbol__match_parent_regex(al.sym))
- *parent = al.sym;
- if (!symbol_conf.use_callchain)
- break;
- }
-
- err = callchain_cursor_append(&callchain_cursor,
- ip, al.map, al.sym);
- if (err)
- return err;
- }
-
- return 0;
-}
-
-static int unwind_entry(struct unwind_entry *entry, void *arg)
-{
- struct callchain_cursor *cursor = arg;
- return callchain_cursor_append(cursor, entry->ip,
- entry->map, entry->sym);
-}
-
-int machine__resolve_callchain(struct machine *machine,
- struct perf_evsel *evsel,
- struct thread *thread,
- struct perf_sample *sample,
- struct symbol **parent)
-
-{
- int ret;
-
- callchain_cursor_reset(&callchain_cursor);
-
- ret = machine__resolve_callchain_sample(machine, thread,
- sample->callchain, parent);
- if (ret)
- return ret;
-
- /* Can we do dwarf post unwind? */
- if (!((evsel->attr.sample_type & PERF_SAMPLE_REGS_USER) &&
- (evsel->attr.sample_type & PERF_SAMPLE_STACK_USER)))
- return 0;
-
- /* Bail out if nothing was captured. */
- if ((!sample->user_regs.regs) ||
- (!sample->user_stack.size))
- return 0;
-
- return unwind__get_entries(unwind_entry, &callchain_cursor, machine,
- thread, evsel->attr.sample_regs_user,
- sample);
-
-}
-
static int process_event_synth_tracing_data_stub(union perf_event *event
__maybe_unused,
struct perf_session *session
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index e5ba9840ac22..2960284d6ae1 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -28,8 +28,8 @@ static int dso__load_kernel_sym(struct dso *dso, struct map *map,
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 @@ void __map_groups__fixup_end(struct map_groups *mg, enum map_type type)
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 @@ discard_symbol: rb_erase(&pos->rb_node, root);
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 @@ struct map *map_groups__find_by_name(struct map_groups *mg,
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 @@ out_try_fixup:
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 @@ out_fail:
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 @@ void symbol__exit(void)
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;
-}
diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h
index de68f98b236d..ec7b2405c377 100644
--- a/tools/perf/util/symbol.h
+++ b/tools/perf/util/symbol.h
@@ -120,6 +120,8 @@ struct symbol_conf {
};
extern struct symbol_conf symbol_conf;
+extern int vmlinux_path__nr_entries;
+extern char **vmlinux_path;
static inline void *symbol__priv(struct symbol *sym)
{
@@ -223,6 +225,8 @@ size_t symbol__fprintf_symname_offs(const struct symbol *sym,
size_t symbol__fprintf_symname(const struct symbol *sym, FILE *fp);
size_t symbol__fprintf(struct symbol *sym, FILE *fp);
bool symbol_type__is_a(char symbol_type, enum map_type map_type);
+bool symbol__restricted_filename(const char *filename,
+ const char *restricted_filename);
int dso__load_sym(struct dso *dso, struct map *map, struct symsrc *syms_ss,
struct symsrc *runtime_ss, symbol_filter_t filter,
diff --git a/tools/perf/util/thread.c b/tools/perf/util/thread.c
index df59623ac763..632e40e5ceca 100644
--- a/tools/perf/util/thread.c
+++ b/tools/perf/util/thread.c
@@ -54,10 +54,10 @@ int thread__comm_len(struct thread *self)
return self->comm_len;
}
-static size_t thread__fprintf(struct thread *self, FILE *fp)
+size_t thread__fprintf(struct thread *thread, FILE *fp)
{
- return fprintf(fp, "Thread %d %s\n", self->pid, self->comm) +
- map_groups__fprintf(&self->mg, verbose, fp);
+ return fprintf(fp, "Thread %d %s\n", thread->pid, thread->comm) +
+ map_groups__fprintf(&thread->mg, verbose, fp);
}
void thread__insert_map(struct thread *self, struct map *map)
@@ -84,17 +84,3 @@ int thread__fork(struct thread *self, struct thread *parent)
return -ENOMEM;
return 0;
}
-
-size_t machine__fprintf(struct machine *machine, FILE *fp)
-{
- size_t ret = 0;
- struct rb_node *nd;
-
- for (nd = rb_first(&machine->threads); nd; nd = rb_next(nd)) {
- struct thread *pos = rb_entry(nd, struct thread, rb_node);
-
- ret += thread__fprintf(pos, fp);
- }
-
- return ret;
-}
diff --git a/tools/perf/util/thread.h b/tools/perf/util/thread.h
index f2fa17caa7d5..5ad266403098 100644
--- a/tools/perf/util/thread.h
+++ b/tools/perf/util/thread.h
@@ -30,6 +30,7 @@ int thread__set_comm(struct thread *self, const char *comm);
int thread__comm_len(struct thread *self);
void thread__insert_map(struct thread *self, struct map *map);
int thread__fork(struct thread *self, struct thread *parent);
+size_t thread__fprintf(struct thread *thread, FILE *fp);
static inline struct map *thread__find_map(struct thread *self,
enum map_type type, u64 addr)