perf tools: Moving code in some files
Needed for later changes. No modified functionality. Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/r/1323248577-11268-4-git-send-email-robert.richter@amd.com Signed-off-by: Robert Richter <robert.richter@amd.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Robert Richter
Arnaldo Carvalho de Melo
Родитель
002c4fd92d
Коммит
1b5495043d
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@ -39,24 +39,6 @@ static const struct option options[] = {
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OPT_END()
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};
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static int perf_session__list_build_ids(void)
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{
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struct perf_session *session;
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session = perf_session__new(input_name, O_RDONLY, force, false,
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&build_id__mark_dso_hit_ops);
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if (session == NULL)
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return -1;
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if (with_hits)
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perf_session__process_events(session, &build_id__mark_dso_hit_ops);
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perf_session__fprintf_dsos_buildid(session, stdout, with_hits);
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perf_session__delete(session);
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return 0;
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}
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static int sysfs__fprintf_build_id(FILE *fp)
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{
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u8 kallsyms_build_id[BUILD_ID_SIZE];
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@ -85,6 +67,24 @@ static int filename__fprintf_build_id(const char *name, FILE *fp)
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return fprintf(fp, "%s\n", sbuild_id);
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}
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static int perf_session__list_build_ids(void)
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{
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struct perf_session *session;
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session = perf_session__new(input_name, O_RDONLY, force, false,
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&build_id__mark_dso_hit_ops);
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if (session == NULL)
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return -1;
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if (with_hits)
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perf_session__process_events(session, &build_id__mark_dso_hit_ops);
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perf_session__fprintf_dsos_buildid(session, stdout, with_hits);
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perf_session__delete(session);
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return 0;
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}
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static int __cmd_buildid_list(void)
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{
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if (show_kernel)
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@ -28,9 +28,6 @@ static struct perf_trace_event_type *events;
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static u32 header_argc;
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static const char **header_argv;
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static int dsos__write_buildid_table(struct perf_header *header, int fd);
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static int perf_session__cache_build_ids(struct perf_session *session);
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int perf_header__push_event(u64 id, const char *name)
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{
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if (strlen(name) > MAX_EVENT_NAME)
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@ -187,6 +184,252 @@ perf_header__set_cmdline(int argc, const char **argv)
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return 0;
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}
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#define dsos__for_each_with_build_id(pos, head) \
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list_for_each_entry(pos, head, node) \
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if (!pos->has_build_id) \
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continue; \
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else
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static int __dsos__write_buildid_table(struct list_head *head, pid_t pid,
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u16 misc, int fd)
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{
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struct dso *pos;
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dsos__for_each_with_build_id(pos, head) {
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int err;
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struct build_id_event b;
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size_t len;
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if (!pos->hit)
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continue;
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len = pos->long_name_len + 1;
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len = ALIGN(len, NAME_ALIGN);
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memset(&b, 0, sizeof(b));
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memcpy(&b.build_id, pos->build_id, sizeof(pos->build_id));
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b.pid = pid;
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b.header.misc = misc;
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b.header.size = sizeof(b) + len;
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err = do_write(fd, &b, sizeof(b));
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if (err < 0)
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return err;
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err = write_padded(fd, pos->long_name,
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pos->long_name_len + 1, len);
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if (err < 0)
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return err;
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}
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return 0;
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}
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static int machine__write_buildid_table(struct machine *machine, int fd)
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{
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int err;
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u16 kmisc = PERF_RECORD_MISC_KERNEL,
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umisc = PERF_RECORD_MISC_USER;
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if (!machine__is_host(machine)) {
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kmisc = PERF_RECORD_MISC_GUEST_KERNEL;
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umisc = PERF_RECORD_MISC_GUEST_USER;
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}
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err = __dsos__write_buildid_table(&machine->kernel_dsos, machine->pid,
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kmisc, fd);
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if (err == 0)
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err = __dsos__write_buildid_table(&machine->user_dsos,
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machine->pid, umisc, fd);
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return err;
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}
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static int dsos__write_buildid_table(struct perf_header *header, int fd)
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{
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struct perf_session *session = container_of(header,
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struct perf_session, header);
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struct rb_node *nd;
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int err = machine__write_buildid_table(&session->host_machine, fd);
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if (err)
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return err;
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for (nd = rb_first(&session->machines); nd; nd = rb_next(nd)) {
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struct machine *pos = rb_entry(nd, struct machine, rb_node);
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err = machine__write_buildid_table(pos, fd);
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if (err)
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break;
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}
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return err;
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}
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int build_id_cache__add_s(const char *sbuild_id, const char *debugdir,
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const char *name, bool is_kallsyms)
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{
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const size_t size = PATH_MAX;
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char *realname, *filename = zalloc(size),
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*linkname = zalloc(size), *targetname;
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int len, err = -1;
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if (is_kallsyms) {
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if (symbol_conf.kptr_restrict) {
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pr_debug("Not caching a kptr_restrict'ed /proc/kallsyms\n");
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return 0;
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}
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realname = (char *)name;
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} else
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realname = realpath(name, NULL);
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if (realname == NULL || filename == NULL || linkname == NULL)
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goto out_free;
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len = snprintf(filename, size, "%s%s%s",
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debugdir, is_kallsyms ? "/" : "", realname);
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if (mkdir_p(filename, 0755))
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goto out_free;
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snprintf(filename + len, sizeof(filename) - len, "/%s", sbuild_id);
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if (access(filename, F_OK)) {
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if (is_kallsyms) {
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if (copyfile("/proc/kallsyms", filename))
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goto out_free;
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} else if (link(realname, filename) && copyfile(name, filename))
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goto out_free;
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}
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len = snprintf(linkname, size, "%s/.build-id/%.2s",
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debugdir, sbuild_id);
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if (access(linkname, X_OK) && mkdir_p(linkname, 0755))
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goto out_free;
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snprintf(linkname + len, size - len, "/%s", sbuild_id + 2);
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targetname = filename + strlen(debugdir) - 5;
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memcpy(targetname, "../..", 5);
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if (symlink(targetname, linkname) == 0)
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err = 0;
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out_free:
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if (!is_kallsyms)
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free(realname);
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free(filename);
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free(linkname);
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return err;
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}
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static int build_id_cache__add_b(const u8 *build_id, size_t build_id_size,
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const char *name, const char *debugdir,
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bool is_kallsyms)
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{
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char sbuild_id[BUILD_ID_SIZE * 2 + 1];
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build_id__sprintf(build_id, build_id_size, sbuild_id);
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return build_id_cache__add_s(sbuild_id, debugdir, name, is_kallsyms);
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}
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int build_id_cache__remove_s(const char *sbuild_id, const char *debugdir)
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{
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const size_t size = PATH_MAX;
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char *filename = zalloc(size),
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*linkname = zalloc(size);
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int err = -1;
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if (filename == NULL || linkname == NULL)
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goto out_free;
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snprintf(linkname, size, "%s/.build-id/%.2s/%s",
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debugdir, sbuild_id, sbuild_id + 2);
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if (access(linkname, F_OK))
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goto out_free;
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if (readlink(linkname, filename, size - 1) < 0)
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goto out_free;
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if (unlink(linkname))
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goto out_free;
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/*
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* Since the link is relative, we must make it absolute:
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*/
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snprintf(linkname, size, "%s/.build-id/%.2s/%s",
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debugdir, sbuild_id, filename);
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if (unlink(linkname))
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goto out_free;
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err = 0;
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out_free:
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free(filename);
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free(linkname);
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return err;
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}
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static int dso__cache_build_id(struct dso *dso, const char *debugdir)
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{
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bool is_kallsyms = dso->kernel && dso->long_name[0] != '/';
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return build_id_cache__add_b(dso->build_id, sizeof(dso->build_id),
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dso->long_name, debugdir, is_kallsyms);
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}
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static int __dsos__cache_build_ids(struct list_head *head, const char *debugdir)
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{
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struct dso *pos;
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int err = 0;
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dsos__for_each_with_build_id(pos, head)
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if (dso__cache_build_id(pos, debugdir))
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err = -1;
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return err;
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}
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static int machine__cache_build_ids(struct machine *machine, const char *debugdir)
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{
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int ret = __dsos__cache_build_ids(&machine->kernel_dsos, debugdir);
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ret |= __dsos__cache_build_ids(&machine->user_dsos, debugdir);
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return ret;
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}
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static int perf_session__cache_build_ids(struct perf_session *session)
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{
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struct rb_node *nd;
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int ret;
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char debugdir[PATH_MAX];
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snprintf(debugdir, sizeof(debugdir), "%s", buildid_dir);
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if (mkdir(debugdir, 0755) != 0 && errno != EEXIST)
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return -1;
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ret = machine__cache_build_ids(&session->host_machine, debugdir);
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for (nd = rb_first(&session->machines); nd; nd = rb_next(nd)) {
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struct machine *pos = rb_entry(nd, struct machine, rb_node);
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ret |= machine__cache_build_ids(pos, debugdir);
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}
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return ret ? -1 : 0;
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}
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static bool machine__read_build_ids(struct machine *machine, bool with_hits)
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{
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bool ret = __dsos__read_build_ids(&machine->kernel_dsos, with_hits);
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ret |= __dsos__read_build_ids(&machine->user_dsos, with_hits);
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return ret;
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}
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static bool perf_session__read_build_ids(struct perf_session *session, bool with_hits)
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{
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struct rb_node *nd;
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bool ret = machine__read_build_ids(&session->host_machine, with_hits);
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for (nd = rb_first(&session->machines); nd; nd = rb_next(nd)) {
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struct machine *pos = rb_entry(nd, struct machine, rb_node);
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ret |= machine__read_build_ids(pos, with_hits);
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}
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return ret;
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}
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static int write_trace_info(int fd, struct perf_header *h __used,
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struct perf_evlist *evlist)
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{
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@ -1136,252 +1379,6 @@ int perf_header__fprintf_info(struct perf_session *session, FILE *fp, bool full)
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return 0;
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||||
}
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#define dsos__for_each_with_build_id(pos, head) \
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list_for_each_entry(pos, head, node) \
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if (!pos->has_build_id) \
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||||
continue; \
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||||
else
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||||
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||||
static int __dsos__write_buildid_table(struct list_head *head, pid_t pid,
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||||
u16 misc, int fd)
|
||||
{
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||||
struct dso *pos;
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||||
|
||||
dsos__for_each_with_build_id(pos, head) {
|
||||
int err;
|
||||
struct build_id_event b;
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||||
size_t len;
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||||
|
||||
if (!pos->hit)
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||||
continue;
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||||
len = pos->long_name_len + 1;
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||||
len = ALIGN(len, NAME_ALIGN);
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||||
memset(&b, 0, sizeof(b));
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||||
memcpy(&b.build_id, pos->build_id, sizeof(pos->build_id));
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||||
b.pid = pid;
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||||
b.header.misc = misc;
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||||
b.header.size = sizeof(b) + len;
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||||
err = do_write(fd, &b, sizeof(b));
|
||||
if (err < 0)
|
||||
return err;
|
||||
err = write_padded(fd, pos->long_name,
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||||
pos->long_name_len + 1, len);
|
||||
if (err < 0)
|
||||
return err;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int machine__write_buildid_table(struct machine *machine, int fd)
|
||||
{
|
||||
int err;
|
||||
u16 kmisc = PERF_RECORD_MISC_KERNEL,
|
||||
umisc = PERF_RECORD_MISC_USER;
|
||||
|
||||
if (!machine__is_host(machine)) {
|
||||
kmisc = PERF_RECORD_MISC_GUEST_KERNEL;
|
||||
umisc = PERF_RECORD_MISC_GUEST_USER;
|
||||
}
|
||||
|
||||
err = __dsos__write_buildid_table(&machine->kernel_dsos, machine->pid,
|
||||
kmisc, fd);
|
||||
if (err == 0)
|
||||
err = __dsos__write_buildid_table(&machine->user_dsos,
|
||||
machine->pid, umisc, fd);
|
||||
return err;
|
||||
}
|
||||
|
||||
static int dsos__write_buildid_table(struct perf_header *header, int fd)
|
||||
{
|
||||
struct perf_session *session = container_of(header,
|
||||
struct perf_session, header);
|
||||
struct rb_node *nd;
|
||||
int err = machine__write_buildid_table(&session->host_machine, fd);
|
||||
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
for (nd = rb_first(&session->machines); nd; nd = rb_next(nd)) {
|
||||
struct machine *pos = rb_entry(nd, struct machine, rb_node);
|
||||
err = machine__write_buildid_table(pos, fd);
|
||||
if (err)
|
||||
break;
|
||||
}
|
||||
return err;
|
||||
}
|
||||
|
||||
int build_id_cache__add_s(const char *sbuild_id, const char *debugdir,
|
||||
const char *name, bool is_kallsyms)
|
||||
{
|
||||
const size_t size = PATH_MAX;
|
||||
char *realname, *filename = zalloc(size),
|
||||
*linkname = zalloc(size), *targetname;
|
||||
int len, err = -1;
|
||||
|
||||
if (is_kallsyms) {
|
||||
if (symbol_conf.kptr_restrict) {
|
||||
pr_debug("Not caching a kptr_restrict'ed /proc/kallsyms\n");
|
||||
return 0;
|
||||
}
|
||||
realname = (char *)name;
|
||||
} else
|
||||
realname = realpath(name, NULL);
|
||||
|
||||
if (realname == NULL || filename == NULL || linkname == NULL)
|
||||
goto out_free;
|
||||
|
||||
len = snprintf(filename, size, "%s%s%s",
|
||||
debugdir, is_kallsyms ? "/" : "", realname);
|
||||
if (mkdir_p(filename, 0755))
|
||||
goto out_free;
|
||||
|
||||
snprintf(filename + len, sizeof(filename) - len, "/%s", sbuild_id);
|
||||
|
||||
if (access(filename, F_OK)) {
|
||||
if (is_kallsyms) {
|
||||
if (copyfile("/proc/kallsyms", filename))
|
||||
goto out_free;
|
||||
} else if (link(realname, filename) && copyfile(name, filename))
|
||||
goto out_free;
|
||||
}
|
||||
|
||||
len = snprintf(linkname, size, "%s/.build-id/%.2s",
|
||||
debugdir, sbuild_id);
|
||||
|
||||
if (access(linkname, X_OK) && mkdir_p(linkname, 0755))
|
||||
goto out_free;
|
||||
|
||||
snprintf(linkname + len, size - len, "/%s", sbuild_id + 2);
|
||||
targetname = filename + strlen(debugdir) - 5;
|
||||
memcpy(targetname, "../..", 5);
|
||||
|
||||
if (symlink(targetname, linkname) == 0)
|
||||
err = 0;
|
||||
out_free:
|
||||
if (!is_kallsyms)
|
||||
free(realname);
|
||||
free(filename);
|
||||
free(linkname);
|
||||
return err;
|
||||
}
|
||||
|
||||
static int build_id_cache__add_b(const u8 *build_id, size_t build_id_size,
|
||||
const char *name, const char *debugdir,
|
||||
bool is_kallsyms)
|
||||
{
|
||||
char sbuild_id[BUILD_ID_SIZE * 2 + 1];
|
||||
|
||||
build_id__sprintf(build_id, build_id_size, sbuild_id);
|
||||
|
||||
return build_id_cache__add_s(sbuild_id, debugdir, name, is_kallsyms);
|
||||
}
|
||||
|
||||
int build_id_cache__remove_s(const char *sbuild_id, const char *debugdir)
|
||||
{
|
||||
const size_t size = PATH_MAX;
|
||||
char *filename = zalloc(size),
|
||||
*linkname = zalloc(size);
|
||||
int err = -1;
|
||||
|
||||
if (filename == NULL || linkname == NULL)
|
||||
goto out_free;
|
||||
|
||||
snprintf(linkname, size, "%s/.build-id/%.2s/%s",
|
||||
debugdir, sbuild_id, sbuild_id + 2);
|
||||
|
||||
if (access(linkname, F_OK))
|
||||
goto out_free;
|
||||
|
||||
if (readlink(linkname, filename, size - 1) < 0)
|
||||
goto out_free;
|
||||
|
||||
if (unlink(linkname))
|
||||
goto out_free;
|
||||
|
||||
/*
|
||||
* Since the link is relative, we must make it absolute:
|
||||
*/
|
||||
snprintf(linkname, size, "%s/.build-id/%.2s/%s",
|
||||
debugdir, sbuild_id, filename);
|
||||
|
||||
if (unlink(linkname))
|
||||
goto out_free;
|
||||
|
||||
err = 0;
|
||||
out_free:
|
||||
free(filename);
|
||||
free(linkname);
|
||||
return err;
|
||||
}
|
||||
|
||||
static int dso__cache_build_id(struct dso *dso, const char *debugdir)
|
||||
{
|
||||
bool is_kallsyms = dso->kernel && dso->long_name[0] != '/';
|
||||
|
||||
return build_id_cache__add_b(dso->build_id, sizeof(dso->build_id),
|
||||
dso->long_name, debugdir, is_kallsyms);
|
||||
}
|
||||
|
||||
static int __dsos__cache_build_ids(struct list_head *head, const char *debugdir)
|
||||
{
|
||||
struct dso *pos;
|
||||
int err = 0;
|
||||
|
||||
dsos__for_each_with_build_id(pos, head)
|
||||
if (dso__cache_build_id(pos, debugdir))
|
||||
err = -1;
|
||||
|
||||
return err;
|
||||
}
|
||||
|
||||
static int machine__cache_build_ids(struct machine *machine, const char *debugdir)
|
||||
{
|
||||
int ret = __dsos__cache_build_ids(&machine->kernel_dsos, debugdir);
|
||||
ret |= __dsos__cache_build_ids(&machine->user_dsos, debugdir);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int perf_session__cache_build_ids(struct perf_session *session)
|
||||
{
|
||||
struct rb_node *nd;
|
||||
int ret;
|
||||
char debugdir[PATH_MAX];
|
||||
|
||||
snprintf(debugdir, sizeof(debugdir), "%s", buildid_dir);
|
||||
|
||||
if (mkdir(debugdir, 0755) != 0 && errno != EEXIST)
|
||||
return -1;
|
||||
|
||||
ret = machine__cache_build_ids(&session->host_machine, debugdir);
|
||||
|
||||
for (nd = rb_first(&session->machines); nd; nd = rb_next(nd)) {
|
||||
struct machine *pos = rb_entry(nd, struct machine, rb_node);
|
||||
ret |= machine__cache_build_ids(pos, debugdir);
|
||||
}
|
||||
return ret ? -1 : 0;
|
||||
}
|
||||
|
||||
static bool machine__read_build_ids(struct machine *machine, bool with_hits)
|
||||
{
|
||||
bool ret = __dsos__read_build_ids(&machine->kernel_dsos, with_hits);
|
||||
ret |= __dsos__read_build_ids(&machine->user_dsos, with_hits);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static bool perf_session__read_build_ids(struct perf_session *session, bool with_hits)
|
||||
{
|
||||
struct rb_node *nd;
|
||||
bool ret = machine__read_build_ids(&session->host_machine, with_hits);
|
||||
|
||||
for (nd = rb_first(&session->machines); nd; nd = rb_next(nd)) {
|
||||
struct machine *pos = rb_entry(nd, struct machine, rb_node);
|
||||
ret |= machine__read_build_ids(pos, with_hits);
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int do_write_feat(int fd, struct perf_header *h, int type,
|
||||
struct perf_file_section **p,
|
||||
struct perf_evlist *evlist)
|
||||
|
|
|
|||
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Ссылка в новой задаче