Ejemplo n.º 1
0
int main(int argc, char *argv[]) {
        int r, output_flags;

        log_parse_environment();
        log_open();

        r = parse_argv(argc, argv);
        if (r <= 0)
                goto finish;

        if (!arg_no_pager) {
                r = pager_open(false);
                if (r > 0 && arg_full < 0)
                        arg_full = true;
        }

        output_flags =
                arg_all * OUTPUT_SHOW_ALL |
                (arg_full > 0) * OUTPUT_FULL_WIDTH;

        if (optind < argc) {
                _cleanup_free_ char *root = NULL;
                int i;

                r = get_cgroup_root(&root);
                if (r < 0)
                        goto finish;

                for (i = optind; i < argc; i++) {
                        int q;

                        if (path_startswith(argv[i], "/sys/fs/cgroup")) {

                                printf("Directory %s:\n", argv[i]);
                                fflush(stdout);

                                q = show_cgroup_by_path(argv[i], NULL, 0, arg_kernel_threads, output_flags);
                        } else {
                                _cleanup_free_ char *c = NULL, *p = NULL, *j = NULL;
                                const char *controller, *path;

                                r = cg_split_spec(argv[i], &c, &p);
                                if (r < 0) {
                                        log_error_errno(r, "Failed to split argument %s: %m", argv[i]);
                                        goto finish;
                                }

                                controller = c ?: SYSTEMD_CGROUP_CONTROLLER;
                                if (p) {
                                        j = strjoin(root, "/", p, NULL);
                                        if (!j) {
                                                r = log_oom();
                                                goto finish;
                                        }

                                        path_kill_slashes(j);
                                        path = j;
                                } else
                                        path = root;

                                show_cg_info(controller, path);

                                q = show_cgroup(controller, path, NULL, 0, arg_kernel_threads, output_flags);
                        }

                        if (q < 0)
                                r = q;
                }

        } else {
Ejemplo n.º 2
0
int main(int argc, char *argv[]) {
        int r = 0, retval = EXIT_FAILURE;
        int output_flags;

        log_parse_environment();
        log_open();

        r = parse_argv(argc, argv);
        if (r < 0)
                goto finish;
        else if (r == 0) {
                retval = EXIT_SUCCESS;
                goto finish;
        }

        if (!arg_no_pager) {
                r = pager_open(false);
                if (r > 0) {
                        if (arg_full == -1)
                                arg_full = true;
                }
        }

        output_flags =
                arg_all * OUTPUT_SHOW_ALL |
                (arg_full > 0) * OUTPUT_FULL_WIDTH;

        if (optind < argc) {
                unsigned i;

                for (i = (unsigned) optind; i < (unsigned) argc; i++) {
                        int q;
                        printf("%s:\n", argv[i]);

                        q = show_cgroup_by_path(argv[i], NULL, 0,
                                                arg_kernel_threads, output_flags);
                        if (q < 0)
                                r = q;
                }

        } else {
                char _cleanup_free_ *p;

                p = get_current_dir_name();
                if (!p) {
                        log_error("Cannot determine current working directory: %m");
                        goto finish;
                }

                if (path_startswith(p, "/sys/fs/cgroup")) {
                        printf("Working Directory %s:\n", p);
                        r = show_cgroup_by_path(p, NULL, 0,
                                                arg_kernel_threads, output_flags);
                } else {
                        char _cleanup_free_ *root = NULL;
                        const char *t = NULL;

                        r = cg_get_by_pid(SYSTEMD_CGROUP_CONTROLLER, 1, &root);
                        if (r < 0)
                                t = "/";
                        else {
                                if (endswith(root, "/system"))
                                        root[strlen(root)-7] = 0;

                                t = root[0] ? root : "/";
                        }

                        r = show_cgroup(SYSTEMD_CGROUP_CONTROLLER, t, NULL, 0,
                                        arg_kernel_threads, output_flags);
                }
        }

        if (r < 0)
                log_error("Failed to list cgroup tree: %s", strerror(-r));

        retval = EXIT_SUCCESS;

finish:
        pager_close();

        return retval;
}
Ejemplo n.º 3
0
int main(int argc, char *argv[]) {
        int r, output_flags;

        log_parse_environment();
        log_open();

        r = parse_argv(argc, argv);
        if (r <= 0)
                goto finish;

        r = pager_open(arg_no_pager, false);
        if (r > 0 && arg_full < 0)
                arg_full = true;

        output_flags =
                arg_all * OUTPUT_SHOW_ALL |
                (arg_full > 0) * OUTPUT_FULL_WIDTH |
                arg_kernel_threads * OUTPUT_KERNEL_THREADS;

        if (arg_names) {
                _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
                _cleanup_free_ char *root = NULL;
                char **name;

                STRV_FOREACH(name, arg_names) {
                        int q;

                        if (arg_show_unit != SHOW_UNIT_NONE) {
                                /* Command line arguments are unit names */
                                _cleanup_free_ char *cgroup = NULL;

                                if (!bus) {
                                        /* Connect to the bus only if necessary */
                                        r = bus_connect_transport_systemd(BUS_TRANSPORT_LOCAL, NULL,
                                                                          arg_show_unit == SHOW_UNIT_USER,
                                                                          &bus);
                                        if (r < 0) {
                                                log_error_errno(r, "Failed to create bus connection: %m");
                                                goto finish;
                                        }
                                }

                                q = show_cgroup_get_unit_path_and_warn(bus, *name, &cgroup);
                                if (q < 0)
                                        goto failed;

                                if (isempty(cgroup)) {
                                        log_warning("Unit %s not found.", *name);
                                        q = -ENOENT;
                                        goto failed;
                                }

                                printf("Unit %s (%s):\n", *name, cgroup);
                                fflush(stdout);

                                q = show_cgroup_by_path(cgroup, NULL, 0, output_flags);

                        } else if (path_startswith(*name, "/sys/fs/cgroup")) {

                                printf("Directory %s:\n", *name);
                                fflush(stdout);

                                q = show_cgroup_by_path(*name, NULL, 0, output_flags);
                        } else {
                                _cleanup_free_ char *c = NULL, *p = NULL, *j = NULL;
                                const char *controller, *path;

                                if (!root) {
                                        /* Query root only if needed, treat error as fatal */
                                        r = show_cgroup_get_path_and_warn(arg_machine, NULL, &root);
                                        if (r < 0)
                                                goto finish;
                                }

                                q = cg_split_spec(*name, &c, &p);
                                if (q < 0) {
                                        log_error_errno(q, "Failed to split argument %s: %m", *name);
                                        goto failed;
                                }

                                controller = c ?: SYSTEMD_CGROUP_CONTROLLER;
                                if (p) {
                                        j = strjoin(root, "/", p);
                                        if (!j) {
                                                r = log_oom();
                                                goto finish;
                                        }

                                        path_kill_slashes(j);
                                        path = j;
                                } else
                                        path = root;

                                show_cg_info(controller, path);

                                q = show_cgroup(controller, path, NULL, 0, output_flags);
                        }

                failed:
                        if (q < 0 && r >= 0)
                                r = q;
                }

        } else {
Ejemplo n.º 4
0
int main(int argc, char *argv[]) {
        int r = 0, retval = EXIT_FAILURE;
        int output_flags;
        _cleanup_free_ char *root = NULL;
        _cleanup_bus_close_unref_ sd_bus *bus = NULL;

        log_parse_environment();
        log_open();

        r = parse_argv(argc, argv);
        if (r < 0)
                goto finish;
        else if (r == 0) {
                retval = EXIT_SUCCESS;
                goto finish;
        }

        if (!arg_no_pager) {
                r = pager_open(false);
                if (r > 0) {
                        if (arg_full == -1)
                                arg_full = true;
                }
        }

        output_flags =
                arg_all * OUTPUT_SHOW_ALL |
                (arg_full > 0) * OUTPUT_FULL_WIDTH;

        r = bus_open_transport(BUS_TRANSPORT_LOCAL, NULL, false, &bus);
        if (r < 0) {
                log_error_errno(r, "Failed to create bus connection: %m");
                goto finish;
        }

        if (optind < argc) {
                int i;

                for (i = optind; i < argc; i++) {
                        int q;

                        fprintf(stdout, "%s:\n", argv[i]);
                        fflush(stdout);

                        if (arg_machine)
                                root = strjoin("machine/", arg_machine, "/", argv[i], NULL);
                        else
                                root = strdup(argv[i]);
                        if (!root)
                                return log_oom();

                        q = show_cgroup_by_path(root, NULL, 0,
                                                arg_kernel_threads, output_flags);
                        if (q < 0)
                                r = q;
                }

        } else {
                _cleanup_free_ char *p;

                p = get_current_dir_name();
                if (!p) {
                        log_error_errno(errno, "Cannot determine current working directory: %m");
                        goto finish;
                }

                if (path_startswith(p, "/sys/fs/cgroup") && !arg_machine) {
                        printf("Working Directory %s:\n", p);
                        r = show_cgroup_by_path(p, NULL, 0,
                                                arg_kernel_threads, output_flags);
                } else {
                        if (arg_machine) {
                                char *m;
                                const char *cgroup;
                                _cleanup_free_ char *scope = NULL;
                                _cleanup_free_ char *path = NULL;
                                _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
                                _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;

                                m = strjoina("/run/systemd/machines/", arg_machine);
                                r = parse_env_file(m, NEWLINE, "SCOPE", &scope, NULL);
                                if (r < 0) {
                                        log_error_errno(r, "Failed to get machine path: %m");
                                        goto finish;
                                }

                                path = unit_dbus_path_from_name(scope);
                                if (!path) {
                                        log_oom();
                                        goto finish;
                                }

                                r = sd_bus_get_property(
                                                bus,
                                                "org.freedesktop.systemd1",
                                                path,
                                                "org.freedesktop.systemd1.Scope",
                                                "ControlGroup",
                                                &error,
                                                &reply,
                                                "s");

                                if (r < 0) {
                                        log_error("Failed to query ControlGroup: %s", bus_error_message(&error, -r));
                                        goto finish;
                                }

                                r = sd_bus_message_read(reply, "s", &cgroup);
                                if (r < 0) {
                                        bus_log_parse_error(r);
                                        goto finish;
                                }

                                root = strdup(cgroup);
                                if (!root) {
                                        log_oom();
                                        goto finish;
                                }

                        } else
                                r = cg_get_root_path(&root);
                        if (r < 0) {
                                log_error_errno(r, "Failed to get %s path: %m",
                                                arg_machine ? "machine" : "root");
                                goto finish;
                        }

                        r = show_cgroup(SYSTEMD_CGROUP_CONTROLLER, root, NULL, 0,
                                        arg_kernel_threads, output_flags);
                }
        }

        if (r < 0) {
                log_error_errno(r, "Failed to list cgroup tree %s: %m", root);
                retval = EXIT_FAILURE;
        } else
                retval = EXIT_SUCCESS;

finish:
        pager_close();

        return retval;
}
Ejemplo n.º 5
0
int main(int argc, char *argv[]) {
        int r = 0, retval = EXIT_FAILURE;
        int output_flags;
        char _cleanup_free_ *root = NULL;

        log_parse_environment();
        log_open();

        r = parse_argv(argc, argv);
        if (r < 0)
                goto finish;
        else if (r == 0) {
                retval = EXIT_SUCCESS;
                goto finish;
        }

        if (!arg_no_pager) {
                r = pager_open(false);
                if (r > 0) {
                        if (arg_full == -1)
                                arg_full = true;
                }
        }

        output_flags =
                arg_all * OUTPUT_SHOW_ALL |
                (arg_full > 0) * OUTPUT_FULL_WIDTH;

        if (optind < argc) {
                int i;

                for (i = optind; i < argc; i++) {
                        int q;

                        fprintf(stdout, "%s:\n", argv[i]);
                        fflush(stdout);

                        if (arg_machine)
                                root = strjoin("machine/", arg_machine, "/", argv[i], NULL);
                        else
                                root = strdup(argv[i]);
                        if (!root)
                                return log_oom();

                        q = show_cgroup_by_path(root, NULL, 0,
                                                arg_kernel_threads, output_flags);
                        if (q < 0)
                                r = q;
                }

        } else {
                _cleanup_free_ char *p;

                p = get_current_dir_name();
                if (!p) {
                        log_error("Cannot determine current working directory: %m");
                        goto finish;
                }

                if (path_startswith(p, "/sys/fs/cgroup") && !arg_machine) {
                        printf("Working Directory %s:\n", p);
                        r = show_cgroup_by_path(p, NULL, 0,
                                                arg_kernel_threads, output_flags);
                } else {
                        if (arg_machine) {
                                char *m;
                                m = strappenda("/run/systemd/machines/", arg_machine);
                                r = parse_env_file(m, NEWLINE, "CGROUP", &root, NULL);
                        } else
                                r = cg_get_root_path(&root);
                        if (r < 0) {
                                log_error("Failed to get %s path: %s",
                                          arg_machine ? "machine" : "root", strerror(-r));
                                goto finish;
                        }

                        r = show_cgroup(SYSTEMD_CGROUP_CONTROLLER, root, NULL, 0,
                                        arg_kernel_threads, output_flags);
                }
        }

        if (r < 0) {
                log_error("Failed to list cgroup tree %s: %s", root, strerror(-r));
                retval = EXIT_FAILURE;
        } else
                retval = EXIT_SUCCESS;

finish:
        pager_close();

        return retval;
}