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author | Lennart Poettering <lennart@poettering.net> | 2022-04-04 15:25:01 +0200 |
---|---|---|
committer | Lennart Poettering <lennart@poettering.net> | 2022-04-04 18:24:14 +0200 |
commit | a0e902598c9f5fbce55653f679e0ce91bc3369b7 (patch) | |
tree | 8a1cf7050f6101390aa7181f1dc580d83ca13027 /src | |
parent | 1ce0d040593c92adebceed29618f170faaee0839 (diff) | |
download | systemd-a0e902598c9f5fbce55653f679e0ce91bc3369b7.tar.gz |
udevadm: show more fields of sd_device objects in "udevadm info"
Let's make things easier to debug, and show a more comprehensive set of
fields, extending on the existing output syntax that starts with one
marker character followed by a colon and a space.
Diffstat (limited to 'src')
-rw-r--r-- | src/udev/udevadm-info.c | 52 |
1 files changed, 43 insertions, 9 deletions
diff --git a/src/udev/udevadm-info.c b/src/udev/udevadm-info.c index a088c1727c..721c5665b3 100644 --- a/src/udev/udevadm-info.c +++ b/src/udev/udevadm-info.c @@ -171,27 +171,61 @@ static int print_device_chain(sd_device *device) { } static int print_record(sd_device *device) { - const char *str, *val; - int i; + const char *str, *val, *subsys; + dev_t devnum; + uint64_t q; + int i, ifi; assert(device); - (void) sd_device_get_devpath(device, &str); + /* We don't show syspath here, because it's identical to devpath (modulo the "/sys" prefix). + * + * We don't show action/seqnum here because that only makes sense for records synthesized from + * uevents, not for those synthesized from database entries. + * + * We don't show sysattrs here, because they can be expensive and potentially issue expensive driver + * IO. */ + + assert_se(sd_device_get_devpath(device, &str) >= 0); printf("P: %s\n", str); + if (sd_device_get_sysname(device, &str) >= 0) + printf("M: %s\n", str); + + if (sd_device_get_sysnum(device, &str) >= 0) + printf("R: %s\n", str); + + if (sd_device_get_subsystem(device, &subsys) >= 0) + printf("U: %s\n", subsys); + + if (sd_device_get_devtype(device, &str) >= 0) + printf("T: %s\n", str); + + if (sd_device_get_devnum(device, &devnum) >= 0) + printf("D: %c %u:%u\n", streq_ptr(subsys, "block") ? 'b' : 'c', major(devnum), minor(devnum)); + + if (sd_device_get_ifindex(device, &ifi) >= 0) + printf("I: %i\n", ifi); + if (sd_device_get_devname(device, &str) >= 0) { assert_se(val = path_startswith(str, "/dev/")); printf("N: %s\n", val); - } - if (device_get_devlink_priority(device, &i) >= 0) - printf("L: %i\n", i); + if (device_get_devlink_priority(device, &i) >= 0) + printf("L: %i\n", i); - FOREACH_DEVICE_DEVLINK(device, str) { - assert_se(val = path_startswith(str, "/dev/")); - printf("S: %s\n", val); + FOREACH_DEVICE_DEVLINK(device, str) { + assert_se(val = path_startswith(str, "/dev/")); + printf("S: %s\n", val); + } } + if (sd_device_get_diskseq(device, &q) >= 0) + printf("Q: %" PRIu64 "\n", q); + + if (sd_device_get_driver(device, &str) >= 0) + printf("V: %s\n", str); + FOREACH_DEVICE_PROPERTY(device, str, val) printf("E: %s=%s\n", str, val); |