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journalctl: specify "--unit=" and "--user-unit" multiple times

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Previously only one "--unit=" or "--user-unit" could be specified.
With this patch, journalcrtl can show multiple units.

$ journalctl -u systemd-udevd.service -u sshd.service -u crond.service -b
-- Logs begin at Sa 2013-03-23 11:08:45 CET, end at Fr 2013-04-12
09:10:22 CEST. --
Apr 12 08:41:37 lenovo systemd[1]: Started udev Kernel Device Manager.
Apr 12 08:41:37 lenovo systemd[1]: Stopped udev Kernel Device Manager.
Apr 12 08:41:38 lenovo systemd[1]: Started udev Kernel Device Manager.
Apr 12 08:41:38 lenovo crond[291]: (CRON) INFO (Syslog will be used
		instead of sendmail.)
Apr 12 08:41:38 lenovo crond[291]: (CRON) INFO (running with inotify
		support)
Apr 12 08:41:39 lenovo systemd[1]: Starting OpenSSH server daemon...
Apr 12 08:41:39 lenovo systemd[1]: Started OpenSSH server daemon.
Apr 12 08:41:39 lenovo sshd[355]: Server listening on 0.0.0.0 port 22.
Apr 12 08:41:39 lenovo sshd[355]: Server listening on :: port 22.
Apr 12 08:41:39 lenovo mtp-probe[373]: checking bus 1, device 8:
"/sys/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.5/1-1.5.6/1-1.5.6.2/1-1.5.6.2.1"
This commit is contained in:
Harald Hoyer 2013-04-12 09:14:43 +02:00
parent cd34b3c667
commit b9e405246e
2 changed files with 42 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
man/journalctl.xml
View File

@ -332,7 +332,8 @@
(<literal>_SYSTEMD_UNIT=</literal>)
and additional matches for messages
from systemd and messages about
coredumps for the specified unit.
coredumps for the specified unit.</para>
<para>This parameter can be specified multiple times.
</para></listitem>
</varlistentry>
@ -346,7 +347,8 @@
and <literal>_UID=</literal>) and
additional matches for messages from
session systemd and messages about
coredumps for the specified unit.
coredumps for the specified unit.</para>
<para>This parameter can be specified multiple times.
</para></listitem>
</varlistentry>

57
src/journal/journalctl.c
View File

@ -80,8 +80,8 @@ static usec_t arg_interval = DEFAULT_FSS_INTERVAL_USEC;
#endif
static usec_t arg_since, arg_until;
static bool arg_since_set = false, arg_until_set = false;
static const char *arg_unit = NULL;
static bool arg_unit_system;
static char **arg_system_units = NULL;
static char **arg_user_units = NULL;
static const char *arg_field = NULL;
static bool arg_catalog = false;
static bool arg_reverse = false;
@ -437,13 +437,15 @@ static int parse_argv(int argc, char *argv[]) {
break;
case 'u':
arg_unit = optarg;
arg_unit_system = true;
r = strv_extend(&arg_system_units, optarg);
if (r < 0)
return log_oom();
break;
case ARG_USER_UNIT:
arg_unit = optarg;
arg_unit_system = false;
r = strv_extend(&arg_user_units, optarg);
if (r < 0)
return log_oom();
break;
case '?':
@ -611,25 +613,39 @@ static int add_this_boot(sd_journal *j) {
return 0;
}
static int add_unit(sd_journal *j) {
static int add_units(sd_journal *j) {
_cleanup_free_ char *u = NULL;
int r;
char **i;
assert(j);
if (isempty(arg_unit))
return 0;
u = unit_name_mangle(arg_unit);
if (!u)
return log_oom();
if (arg_unit_system)
STRV_FOREACH(i, arg_system_units) {
u = unit_name_mangle(*i);
if (!u)
return log_oom();
r = add_matches_for_unit(j, u);
else
if (r < 0)
return r;
r = sd_journal_add_disjunction(j);
if (r < 0)
return r;
}
STRV_FOREACH(i, arg_user_units) {
u = unit_name_mangle(*i);
if (!u)
return log_oom();
r = add_matches_for_user_unit(j, u, getuid());
if (r < 0)
return r;
if (r < 0)
return r;
r = sd_journal_add_disjunction(j);
if (r < 0)
return r;
}
r = sd_journal_add_conjunction(j);
if (r < 0)
@ -1113,7 +1129,10 @@ int main(int argc, char *argv[]) {
if (r < 0)
return EXIT_FAILURE;
r = add_unit(j);
r = add_units(j);
strv_free(arg_system_units);
strv_free(arg_user_units);
if (r < 0)
return EXIT_FAILURE;