main: profile unit file loading

[elogind.git] / src / main.c

diff --git a/src/main.c b/src/main.c
index 76a094383237922510da0658b9b8971feced3896..25b6e87de395a53257ee50cf37c7c6b4ca0bb5ca 100644 (file)
--- a/src/main.c
+++ b/src/main.c
@@ -898,6 +898,9 @@ static int prepare_reexecute(Manager *m, FILE **_f, FDSet **_fds) {
         assert(_f);
         assert(_fds);
 
+        /* Make sure nothing is really destructed when we shut down */
+        m->n_reloading ++;
+
         if ((r = manager_open_serialization(m, &f)) < 0) {
                 log_error("Failed to create serialization file: %s", strerror(-r));
                 goto fail;
@@ -988,7 +991,7 @@ static void test_usr(void) {
         if (dir_is_empty("/usr") <= 0)
                 return;
 
-        log_warning("/usr appears to be on a different file system than /. This is not supported anymore. "
+        log_warning("/usr appears to be on its own filesytem and is not already mounted. This is not a supported setup. "
                     "Some things will probably break (sometimes even silently) in mysterious ways. "
                     "Consult http://freedesktop.org/wiki/Software/systemd/separate-usr-is-broken for more information.");
 }
@@ -1010,6 +1013,8 @@ static void test_cgroups(void) {
 int main(int argc, char *argv[]) {
         Manager *m = NULL;
         int r, retval = EXIT_FAILURE;
+        usec_t before_startup, after_startup;
+        char timespan[FORMAT_TIMESPAN_MAX];
         FDSet *fds = NULL;
         bool reexecute = false;
         const char *shutdown_verb = NULL;
@@ -1043,6 +1048,7 @@ int main(int argc, char *argv[]) {
         if (getpid() == 1) {
                 arg_running_as = MANAGER_SYSTEM;
                 log_set_target(detect_container(NULL) > 0 ? LOG_TARGET_CONSOLE : LOG_TARGET_SYSLOG_OR_KMSG);
+                log_open();
 
                 /* This might actually not return, but cause a
                  * reexecution */
@@ -1053,17 +1059,19 @@ int main(int argc, char *argv[]) {
                         goto finish;
 
                 if (hwclock_is_localtime() > 0) {
-                        int min;
+                        int err, min;
 
-                        min = hwclock_apply_localtime_delta();
-                        if (min < 0)
-                                log_error("Failed to apply local time delta: %s", strerror(-min));
+                        err = hwclock_apply_localtime_delta(&min);
+                        if (err < 0)
+                                log_error("Failed to apply local time delta: %s", strerror(-err));
                         else
                                 log_info("RTC configured in localtime, applying delta of %i minutes to system time.", min);
                 }
+
         } else {
                 arg_running_as = MANAGER_USER;
                 log_set_target(LOG_TARGET_AUTO);
+                log_open();
         }
 
         if (set_default_unit(SPECIAL_DEFAULT_TARGET) < 0)
@@ -1119,6 +1127,9 @@ int main(int argc, char *argv[]) {
 
         assert_se(arg_action == ACTION_RUN || arg_action == ACTION_TEST);
 
+        /* Close logging fds, in order not to confuse fdset below */
+        log_close();
+
         /* Remember open file descriptors for later deserialization */
         if (serialization) {
                 if ((r = fdset_new_fill(&fds)) < 0) {
@@ -1218,6 +1229,8 @@ int main(int argc, char *argv[]) {
         if (arg_default_controllers)
                 manager_set_default_controllers(m, arg_default_controllers);
 
+        before_startup = now(CLOCK_MONOTONIC);
+
         if ((r = manager_startup(m, serialization, fds)) < 0)
                 log_error("Failed to fully start up daemon: %s", strerror(-r));
 
@@ -1285,6 +1298,10 @@ int main(int argc, char *argv[]) {
                 }
         }
 
+        after_startup = now(CLOCK_MONOTONIC);
+        log_debug("Loaded units and determined initial transaction in %s.",
+                  format_timespan(timespan, sizeof(timespan), after_startup - before_startup));
+
         for (;;) {
                 if ((r = manager_loop(m)) < 0) {
                         log_error("Failed to run mainloop: %s", strerror(-r));