X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fcore%2Fcgroup.c;h=e604c3cbc694e7254a56fb5fb5389345502f2101;hb=45071fcaa03eafc27352987fa2277b2792725036;hp=cd6796383bf22bfbc62e640e8eca6ceda5a7e4ea;hpb=9a0549093332880df47c4218209ce126b8586835;p=elogind.git

diff --git a/src/core/cgroup.c b/src/core/cgroup.c
index cd6796383..e604c3cbc 100644
--- a/src/core/cgroup.c
+++ b/src/core/cgroup.c
@@ -41,7 +41,7 @@ void cgroup_context_init(CGroupContext *c) {
         c->blockio_weight = (unsigned long) -1;
         c->startup_blockio_weight = (unsigned long) -1;
 
-        c->cpu_quota_per_sec_usec = (usec_t) -1;
+        c->cpu_quota_per_sec_usec = USEC_INFINITY;
 }
 
 void cgroup_context_free_device_allow(CGroupContext *c, CGroupDeviceAllow *a) {
@@ -111,7 +111,7 @@ void cgroup_context_dump(CGroupContext *c, FILE* f, const char *prefix) {
                 prefix, yes_no(c->memory_accounting),
                 prefix, c->cpu_shares,
                 prefix, c->startup_cpu_shares,
-                prefix, strna(format_timespan(u, sizeof(u), c->cpu_quota_per_sec_usec, 1)),
+                prefix, format_timespan(u, sizeof(u), c->cpu_quota_per_sec_usec, 1),
                 prefix, c->blockio_weight,
                 prefix, c->startup_blockio_weight,
                 prefix, c->memory_limit,
@@ -200,7 +200,7 @@ static int whitelist_device(const char *path, const char *node, const char *acc)
 
         r = cg_set_attribute("devices", path, "devices.allow", buf);
         if (r < 0)
-                log_warning("Failed to set devices.allow on %s: %s", path, strerror(-r));
+                log_full(r == -ENOENT ? LOG_DEBUG : LOG_WARNING, "Failed to set devices.allow on %s: %s", path, strerror(-r));
 
         return r;
 }
@@ -272,7 +272,7 @@ static int whitelist_major(const char *path, const char *name, char type, const
 
                 r = cg_set_attribute("devices", path, "devices.allow", buf);
                 if (r < 0)
-                        log_warning("Failed to set devices.allow on %s: %s", path, strerror(-r));
+                        log_full(r == -ENOENT ? LOG_DEBUG : LOG_WARNING, "Failed to set devices.allow on %s: %s", path, strerror(-r));
         }
 
         return 0;
@@ -300,24 +300,24 @@ void cgroup_context_apply(CGroupContext *c, CGroupControllerMask mask, const cha
                 char buf[MAX(DECIMAL_STR_MAX(unsigned long), DECIMAL_STR_MAX(usec_t)) + 1];
 
                 sprintf(buf, "%lu\n",
-                        state == MANAGER_STARTING && c->startup_cpu_shares != (unsigned long) -1 ? c->startup_cpu_shares :
+                        IN_SET(state, MANAGER_STARTING, MANAGER_INITIALIZING) && c->startup_cpu_shares != (unsigned long) -1 ? c->startup_cpu_shares :
                         c->cpu_shares != (unsigned long) -1 ? c->cpu_shares : 1024);
                 r = cg_set_attribute("cpu", path, "cpu.shares", buf);
                 if (r < 0)
-                        log_warning("Failed to set cpu.shares on %s: %s", path, strerror(-r));
+                        log_full(r == -ENOENT ? LOG_DEBUG : LOG_WARNING, "Failed to set cpu.shares on %s: %s", path, strerror(-r));
 
                 sprintf(buf, USEC_FMT "\n", CGROUP_CPU_QUOTA_PERIOD_USEC);
                 r = cg_set_attribute("cpu", path, "cpu.cfs_period_us", buf);
                 if (r < 0)
-                        log_warning("Failed to set cpu.cfs_period_us on %s: %s", path, strerror(-r));
+                        log_full(r == -ENOENT ? LOG_DEBUG : LOG_WARNING, "Failed to set cpu.cfs_period_us on %s: %s", path, strerror(-r));
 
-                if (c->cpu_quota_per_sec_usec != (usec_t) -1) {
+                if (c->cpu_quota_per_sec_usec != USEC_INFINITY) {
                         sprintf(buf, USEC_FMT "\n", c->cpu_quota_per_sec_usec * CGROUP_CPU_QUOTA_PERIOD_USEC / USEC_PER_SEC);
                         r = cg_set_attribute("cpu", path, "cpu.cfs_quota_us", buf);
                 } else
                         r = cg_set_attribute("cpu", path, "cpu.cfs_quota_us", "-1");
                 if (r < 0)
-                        log_warning("Failed to set cpu.cfs_quota_us on %s: %s", path, strerror(-r));
+                        log_full(r == -ENOENT ? LOG_DEBUG : LOG_WARNING, "Failed to set cpu.cfs_quota_us on %s: %s", path, strerror(-r));
         }
 
         if (mask & CGROUP_BLKIO) {
@@ -328,11 +328,11 @@ void cgroup_context_apply(CGroupContext *c, CGroupControllerMask mask, const cha
                 CGroupBlockIODeviceBandwidth *b;
 
                 if (!is_root) {
-                        sprintf(buf, "%lu\n", state == MANAGER_STARTING && c->startup_blockio_weight != (unsigned long) -1 ? c->startup_blockio_weight :
+                        sprintf(buf, "%lu\n", IN_SET(state, MANAGER_STARTING, MANAGER_INITIALIZING) && c->startup_blockio_weight != (unsigned long) -1 ? c->startup_blockio_weight :
                                 c->blockio_weight != (unsigned long) -1 ? c->blockio_weight : 1000);
                         r = cg_set_attribute("blkio", path, "blkio.weight", buf);
                         if (r < 0)
-                                log_warning("Failed to set blkio.weight on %s: %s", path, strerror(-r));
+                                log_full(r == -ENOENT ? LOG_DEBUG : LOG_WARNING, "Failed to set blkio.weight on %s: %s", path, strerror(-r));
 
                         /* FIXME: no way to reset this list */
                         LIST_FOREACH(device_weights, w, c->blockio_device_weights) {
@@ -345,7 +345,7 @@ void cgroup_context_apply(CGroupContext *c, CGroupControllerMask mask, const cha
                                 sprintf(buf, "%u:%u %lu", major(dev), minor(dev), w->weight);
                                 r = cg_set_attribute("blkio", path, "blkio.weight_device", buf);
                                 if (r < 0)
-                                        log_error("Failed to set blkio.weight_device on %s: %s", path, strerror(-r));
+                                        log_full(r == -ENOENT ? LOG_DEBUG : LOG_WARNING, "Failed to set blkio.weight_device on %s: %s", path, strerror(-r));
                         }
                 }
 
@@ -363,7 +363,7 @@ void cgroup_context_apply(CGroupContext *c, CGroupControllerMask mask, const cha
                         sprintf(buf, "%u:%u %" PRIu64 "\n", major(dev), minor(dev), b->bandwidth);
                         r = cg_set_attribute("blkio", path, a, buf);
                         if (r < 0)
-                                log_error("Failed to set %s on %s: %s", a, path, strerror(-r));
+                                log_full(r == -ENOENT ? LOG_DEBUG : LOG_WARNING, "Failed to set %s on %s: %s", a, path, strerror(-r));
                 }
         }
 
@@ -377,7 +377,7 @@ void cgroup_context_apply(CGroupContext *c, CGroupControllerMask mask, const cha
                         r = cg_set_attribute("memory", path, "memory.limit_in_bytes", "-1");
 
                 if (r < 0)
-                        log_error("Failed to set memory.limit_in_bytes on %s: %s", path, strerror(-r));
+                        log_full(r == -ENOENT ? LOG_DEBUG : LOG_WARNING, "Failed to set memory.limit_in_bytes on %s: %s", path, strerror(-r));
         }
 
         if ((mask & CGROUP_DEVICE) && !is_root) {
@@ -388,7 +388,7 @@ void cgroup_context_apply(CGroupContext *c, CGroupControllerMask mask, const cha
                 else
                         r = cg_set_attribute("devices", path, "devices.allow", "a");
                 if (r < 0)
-                        log_warning("Failed to reset devices.list on %s: %s", path, strerror(-r));
+                        log_full(r == -ENOENT ? LOG_DEBUG : LOG_WARNING, "Failed to reset devices.list on %s: %s", path, strerror(-r));
 
                 if (c->device_policy == CGROUP_CLOSED ||
                     (c->device_policy == CGROUP_AUTO && c->device_allow)) {
@@ -447,7 +447,7 @@ CGroupControllerMask cgroup_context_get_mask(CGroupContext *c) {
         if (c->cpu_accounting ||
             c->cpu_shares != (unsigned long) -1 ||
             c->startup_cpu_shares != (unsigned long) -1 ||
-            c->cpu_quota_per_sec_usec != (usec_t) -1)
+            c->cpu_quota_per_sec_usec != USEC_INFINITY)
                 mask |= CGROUP_CPUACCT | CGROUP_CPU;
 
         if (c->blockio_accounting ||
@@ -832,7 +832,6 @@ pid_t unit_search_main_pid(Unit *u) {
 
 int manager_setup_cgroup(Manager *m) {
         _cleanup_free_ char *path = NULL;
-        char *e;
         int r;
 
         assert(m);
@@ -851,6 +850,8 @@ int manager_setup_cgroup(Manager *m) {
          * off. This is to support live upgrades from older systemd
          * versions where PID 1 was moved there. */
         if (m->running_as == SYSTEMD_SYSTEM) {
+                char *e;
+
                 e = endswith(m->cgroup_root, "/" SPECIAL_SYSTEM_SLICE);
                 if (!e)
                         e = endswith(m->cgroup_root, "/system");
@@ -872,40 +873,42 @@ int manager_setup_cgroup(Manager *m) {
         }
 
         log_debug("Using cgroup controller " SYSTEMD_CGROUP_CONTROLLER ". File system hierarchy is at %s.", path);
+        if (!m->test_run) {
 
-        /* 3. Install agent */
-        if (m->running_as == SYSTEMD_SYSTEM) {
-                r = cg_install_release_agent(SYSTEMD_CGROUP_CONTROLLER, SYSTEMD_CGROUP_AGENT_PATH);
-                if (r < 0)
-                        log_warning("Failed to install release agent, ignoring: %s", strerror(-r));
-                else if (r > 0)
-                        log_debug("Installed release agent.");
-                else
-                        log_debug("Release agent already installed.");
-        }
+                /* 3. Install agent */
+                if (m->running_as == SYSTEMD_SYSTEM) {
+                        r = cg_install_release_agent(SYSTEMD_CGROUP_CONTROLLER, SYSTEMD_CGROUP_AGENT_PATH);
+                        if (r < 0)
+                                log_warning("Failed to install release agent, ignoring: %s", strerror(-r));
+                        else if (r > 0)
+                                log_debug("Installed release agent.");
+                        else
+                                log_debug("Release agent already installed.");
+                }
 
-        /* 4. Make sure we are in the root cgroup */
-        r = cg_create_and_attach(SYSTEMD_CGROUP_CONTROLLER, m->cgroup_root, 0);
-        if (r < 0) {
-                log_error("Failed to create root cgroup hierarchy: %s", strerror(-r));
-                return r;
-        }
+                /* 4. Make sure we are in the root cgroup */
+                r = cg_create_and_attach(SYSTEMD_CGROUP_CONTROLLER, m->cgroup_root, 0);
+                if (r < 0) {
+                        log_error("Failed to create root cgroup hierarchy: %s", strerror(-r));
+                        return r;
+                }
 
-        /* 5. And pin it, so that it cannot be unmounted */
-        safe_close(m->pin_cgroupfs_fd);
+                /* 5. And pin it, so that it cannot be unmounted */
+                safe_close(m->pin_cgroupfs_fd);
 
-        m->pin_cgroupfs_fd = open(path, O_RDONLY|O_CLOEXEC|O_DIRECTORY|O_NOCTTY|O_NONBLOCK);
-        if (m->pin_cgroupfs_fd < 0) {
-                log_error("Failed to open pin file: %m");
-                return -errno;
+                m->pin_cgroupfs_fd = open(path, O_RDONLY|O_CLOEXEC|O_DIRECTORY|O_NOCTTY|O_NONBLOCK);
+                if (m->pin_cgroupfs_fd < 0) {
+                        log_error("Failed to open pin file: %m");
+                        return -errno;
+                }
+
+                /* 6.  Always enable hierarchial support if it exists... */
+                cg_set_attribute("memory", "/", "memory.use_hierarchy", "1");
         }
 
-        /* 6. Figure out which controllers are supported */
+        /* 7. Figure out which controllers are supported */
         m->cgroup_supported = cg_mask_supported();
 
-        /* 7.  Always enable hierarchial support if it exists... */
-        cg_set_attribute("memory", "/", "memory.use_hierarchy", "1");
-
         return 0;
 }