core: require cgroups filesystem to be available

[elogind.git] / src / core / main.c

diff --git a/src/core/main.c b/src/core/main.c
index 41605ee8d5cd37aee787a9116ef76bef2b9e0582..c1b0ffd9bb1e66e36bd75358dd5d077c47183d37 100644 (file)
--- a/src/core/main.c
+++ b/src/core/main.c
@@ -109,6 +109,7 @@ static struct rlimit *arg_default_rlimit[_RLIMIT_MAX] = {};
 static uint64_t arg_capability_bounding_set_drop = 0;
 static nsec_t arg_timer_slack_nsec = (nsec_t) -1;
 static usec_t arg_default_timer_accuracy_usec = 1 * USEC_PER_MINUTE;
+static usec_t arg_default_cpu_quota_period_usec = 100 * USEC_PER_MSEC;
 static Set* arg_syscall_archs = NULL;
 static FILE* arg_serialization = NULL;
 static bool arg_default_cpu_accounting = false;
@@ -412,18 +413,13 @@ static int parse_proc_cmdline_item(const char *key, const char *value) {
                 }
 
         } else if (streq(key, "quiet") && !value) {
-
                 if (arg_show_status == _SHOW_STATUS_UNSET)
                         arg_show_status = SHOW_STATUS_AUTO;
 
         } else if (streq(key, "debug") && !value) {
-
-                /* Log to kmsg, the journal socket will fill up before the
-                 * journal is started and tools running during that time
-                 * will block with every log message for for 60 seconds,
-                 * before they give up. */
                 log_set_max_level(LOG_DEBUG);
-                log_set_target(detect_container(NULL) > 0 ? LOG_TARGET_CONSOLE : LOG_TARGET_KMSG);
+                if (detect_container(NULL) > 0)
+                        log_set_target(LOG_TARGET_CONSOLE);
 
         } else if (!in_initrd() && !value) {
                 unsigned i;
@@ -688,6 +684,7 @@ static int parse_config_file(void) {
 #endif
                 { "Manager", "TimerSlackNSec",            config_parse_nsec,             0, &arg_timer_slack_nsec                  },
                 { "Manager", "DefaultTimerAccuracySec",   config_parse_sec,              0, &arg_default_timer_accuracy_usec       },
+                { "Manager", "DefaultCPUQuotaPeriodSec",  config_parse_sec,              0, &arg_default_cpu_quota_period_usec     },
                 { "Manager", "DefaultStandardOutput",     config_parse_output,           0, &arg_default_std_output                },
                 { "Manager", "DefaultStandardError",      config_parse_output,           0, &arg_default_std_error                 },
                 { "Manager", "DefaultTimeoutStartSec",    config_parse_sec,              0, &arg_default_timeout_start_usec        },
@@ -1187,21 +1184,6 @@ static void test_usr(void) {
                     "Consult http://freedesktop.org/wiki/Software/systemd/separate-usr-is-broken for more information.");
 }
 
-static void test_cgroups(void) {
-
-        if (access("/proc/cgroups", F_OK) >= 0)
-                return;
-
-        log_warning("CONFIG_CGROUPS was not set when your kernel was compiled. "
-                    "Systems without control groups are not supported. "
-                    "We will now sleep for 10s, and then continue boot-up. "
-                    "Expect breakage and please do not file bugs. "
-                    "Instead fix your kernel and enable CONFIG_CGROUPS. "
-                    "Consult http://0pointer.de/blog/projects/cgroups-vs-cgroups.html for more information.");
-
-        sleep(10);
-}
-
 static int initialize_join_controllers(void) {
         /* By default, mount "cpu" + "cpuacct" together, and "net_cls"
          * + "net_prio". We'd like to add "cpuset" to the mix, but
@@ -1589,7 +1571,6 @@ int main(int argc, char *argv[]) {
 
                 test_mtab();
                 test_usr();
-                test_cgroups();
         }
 
         if (arg_running_as == SYSTEMD_SYSTEM && arg_runtime_watchdog > 0)
@@ -1638,6 +1619,7 @@ int main(int argc, char *argv[]) {
 
         m->confirm_spawn = arg_confirm_spawn;
         m->default_timer_accuracy_usec = arg_default_timer_accuracy_usec;
+        m->default_cpu_quota_period_usec = arg_default_cpu_quota_period_usec;
         m->default_std_output = arg_default_std_output;
         m->default_std_error = arg_default_std_error;
         m->default_restart_usec = arg_default_restart_usec;