b71c9758d1
$ sudo swapoff -av swapoff /dev/vda4 $ sudo systemctl hibernate Failed to hibernate system via logind: Not enough swap space for hibernation Fixes #6729.
113 lines
4.4 KiB
C
113 lines
4.4 KiB
C
/* SPDX-License-Identifier: LGPL-2.1+ */
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/***
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This file is part of systemd.
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Copyright 2012 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include <linux/fiemap.h>
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#include <stdio.h>
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#include "fd-util.h"
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#include "log.h"
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#include "sleep-config.h"
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#include "strv.h"
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#include "util.h"
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static int test_fiemap(const char *path) {
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_cleanup_free_ struct fiemap *fiemap = NULL;
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_cleanup_close_ int fd = -1;
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int r;
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fd = open(path, O_RDONLY | O_CLOEXEC | O_NONBLOCK);
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if (fd < 0)
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return log_error_errno(errno, "failed to open %s: %m", path);
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r = read_fiemap(fd, &fiemap);
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if (r == -ENOTSUP) {
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log_info("Skipping test, not supported");
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exit(EXIT_TEST_SKIP);
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}
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if (r < 0)
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return log_error_errno(r, "Unable to read extent map for '%s': %m", path);
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log_info("extent map information for %s:", path);
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log_info("\t start: %llu", fiemap->fm_start);
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log_info("\t length: %llu", fiemap->fm_length);
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log_info("\t flags: %u", fiemap->fm_flags);
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log_info("\t number of mapped extents: %u", fiemap->fm_mapped_extents);
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log_info("\t extent count: %u", fiemap->fm_extent_count);
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if (fiemap->fm_extent_count > 0)
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log_info("\t first extent location: %llu",
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fiemap->fm_extents[0].fe_physical / page_size());
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return 0;
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}
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static void test_sleep(void) {
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_cleanup_strv_free_ char
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**standby = strv_new("standby", NULL),
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**mem = strv_new("mem", NULL),
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**disk = strv_new("disk", NULL),
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**suspend = strv_new("suspend", NULL),
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**reboot = strv_new("reboot", NULL),
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**platform = strv_new("platform", NULL),
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**shutdown = strv_new("shutdown", NULL),
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**freez = strv_new("freeze", NULL);
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int r;
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log_info("/* configuration */");
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log_info("Standby configured: %s", yes_no(can_sleep_state(standby) > 0));
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log_info("Suspend configured: %s", yes_no(can_sleep_state(mem) > 0));
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log_info("Hibernate configured: %s", yes_no(can_sleep_state(disk) > 0));
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log_info("Hibernate+Suspend (Hybrid-Sleep) configured: %s", yes_no(can_sleep_disk(suspend) > 0));
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log_info("Hibernate+Reboot configured: %s", yes_no(can_sleep_disk(reboot) > 0));
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log_info("Hibernate+Platform configured: %s", yes_no(can_sleep_disk(platform) > 0));
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log_info("Hibernate+Shutdown configured: %s", yes_no(can_sleep_disk(shutdown) > 0));
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log_info("Freeze configured: %s", yes_no(can_sleep_state(freez) > 0));
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log_info("/* running system */");
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r = can_sleep("suspend");
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log_info("Suspend configured and possible: %s", r >= 0 ? yes_no(r) : strerror(-r));
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r = can_sleep("hibernate");
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log_info("Hibernation configured and possible: %s", r >= 0 ? yes_no(r) : strerror(-r));
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r = can_sleep("hybrid-sleep");
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log_info("Hybrid-sleep configured and possible: %s", r >= 0 ? yes_no(r) : strerror(-r));
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r = can_sleep("suspend-then-hibernate");
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log_info("Suspend-then-Hibernate configured and possible: %s", r >= 0 ? yes_no(r) : strerror(-r));
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}
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int main(int argc, char* argv[]) {
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int i, r = 0, k;
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log_parse_environment();
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log_open();
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if (getuid() != 0)
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log_warning("This program is unlikely to work for unprivileged users");
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test_sleep();
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if (argc <= 1)
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assert_se(test_fiemap(argv[0]) == 0);
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else
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for (i = 1; i < argc; i++) {
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k = test_fiemap(argv[i]);
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if (r == 0)
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r = k;
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}
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return r;
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}
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