assert(cgroup);
u = manager_get_unit_by_cgroup(m, cgroup);
- if (u) {
- r = cg_is_empty_recursive(SYSTEMD_CGROUP_CONTROLLER, u->cgroup_path, true);
- if (r > 0) {
- if (UNIT_VTABLE(u)->notify_cgroup_empty)
- UNIT_VTABLE(u)->notify_cgroup_empty(u);
+ if (!u)
+ return 0;
- unit_add_to_gc_queue(u);
- }
+ r = cg_is_empty_recursive(SYSTEMD_CGROUP_CONTROLLER, u->cgroup_path, true);
+ if (r <= 0)
+ return r;
+
+ if (UNIT_VTABLE(u)->notify_cgroup_empty)
+ UNIT_VTABLE(u)->notify_cgroup_empty(u);
+
+ unit_add_to_gc_queue(u);
+ return 0;
+}
+
+int unit_get_memory_current(Unit *u, uint64_t *ret) {
+ _cleanup_free_ char *v = NULL;
+ int r;
+
+ assert(u);
+ assert(ret);
+
+ if (!u->cgroup_path)
+ return -ENODATA;
+
+ if ((u->cgroup_realized_mask & CGROUP_MEMORY) == 0)
+ return -ENODATA;
+
+ r = cg_get_attribute("memory", u->cgroup_path, "memory.usage_in_bytes", &v);
+ if (r == -ENOENT)
+ return -ENODATA;
+ if (r < 0)
+ return r;
+
+ return safe_atou64(v, ret);
+}
+
+static int unit_get_cpu_usage_raw(Unit *u, nsec_t *ret) {
+ _cleanup_free_ char *v = NULL;
+ uint64_t ns;
+ int r;
+
+ assert(u);
+ assert(ret);
+
+ if (!u->cgroup_path)
+ return -ENODATA;
+
+ if ((u->cgroup_realized_mask & CGROUP_CPUACCT) == 0)
+ return -ENODATA;
+
+ r = cg_get_attribute("cpuacct", u->cgroup_path, "cpuacct.usage", &v);
+ if (r == -ENOENT)
+ return -ENODATA;
+ if (r < 0)
+ return r;
+
+ r = safe_atou64(v, &ns);
+ if (r < 0)
+ return r;
+
+ *ret = ns;
+ return 0;
+}
+
+int unit_get_cpu_usage(Unit *u, nsec_t *ret) {
+ nsec_t ns;
+ int r;
+
+ r = unit_get_cpu_usage_raw(u, &ns);
+ if (r < 0)
+ return r;
+
+ if (ns > u->cpuacct_usage_base)
+ ns -= u->cpuacct_usage_base;
+ else
+ ns = 0;
+
+ *ret = ns;
+ return 0;
+}
+
+int unit_reset_cpu_usage(Unit *u) {
+ nsec_t ns;
+ int r;
+
+ assert(u);
+
+ r = unit_get_cpu_usage_raw(u, &ns);
+ if (r < 0) {
+ u->cpuacct_usage_base = 0;
+ return r;
}
+ u->cpuacct_usage_base = ns;
return 0;
}
int manager_notify_cgroup_empty(Manager *m, const char *group);
+int unit_get_memory_current(Unit *u, uint64_t *ret);
+int unit_get_cpu_usage(Unit *u, nsec_t *ret);
+int unit_reset_cpu_usage(Unit *u);
+
const char* cgroup_device_policy_to_string(CGroupDevicePolicy i) _const_;
CGroupDevicePolicy cgroup_device_policy_from_string(const char *s) _pure_;
void *userdata,
sd_bus_error *error) {
- Unit *u = userdata;
uint64_t sz = (uint64_t) -1;
+ Unit *u = userdata;
int r;
assert(bus);
assert(reply);
assert(u);
- if (u->cgroup_path &&
- (u->cgroup_realized_mask & CGROUP_MEMORY)) {
- _cleanup_free_ char *v = NULL;
+ r = unit_get_memory_current(u, &sz);
+ if (r < 0 && r != -ENODATA)
+ log_unit_warning_errno(u->id, r, "Failed to get memory.usage_in_bytes attribute: %m");
- r = cg_get_attribute("memory", u->cgroup_path, "memory.usage_in_bytes", &v);
- if (r < 0 && r != -ENOENT)
- log_unit_warning_errno(u->id, r, "Couldn't read memory.usage_in_bytes attribute: %m");
+ return sd_bus_message_append(reply, "t", sz);
+}
- if (v) {
- r = safe_atou64(v, &sz);
- if (r < 0)
- log_unit_warning_errno(u->id, r, "Failed to parse memory.usage_in_bytes attribute: %m");
- }
- }
+static int property_get_cpu_usage(
+ sd_bus *bus,
+ const char *path,
+ const char *interface,
+ const char *property,
+ sd_bus_message *reply,
+ void *userdata,
+ sd_bus_error *error) {
- return sd_bus_message_append(reply, "t", sz);
+ nsec_t ns = (nsec_t) -1;
+ Unit *u = userdata;
+ int r;
+
+ assert(bus);
+ assert(reply);
+ assert(u);
+
+ r = unit_get_cpu_usage(u, &ns);
+ if (r < 0 && r != -ENODATA)
+ log_unit_warning_errno(u->id, r, "Failed to get cpuacct.usage attribute: %m");
+
+ return sd_bus_message_append(reply, "t", ns);
}
const sd_bus_vtable bus_unit_cgroup_vtable[] = {
SD_BUS_PROPERTY("Slice", "s", property_get_slice, 0, 0),
SD_BUS_PROPERTY("ControlGroup", "s", NULL, offsetof(Unit, cgroup_path), 0),
SD_BUS_PROPERTY("MemoryCurrent", "t", property_get_current_memory, 0, 0),
+ SD_BUS_PROPERTY("CPUUsageNSec", "t", property_get_cpu_usage, 0, 0),
SD_BUS_VTABLE_END
};
assert(c);
assert(_pid);
- unit_realize_cgroup(UNIT(m));
+ (void) unit_realize_cgroup(UNIT(m));
+ if (m->reset_cpu_usage) {
+ (void) unit_reset_cpu_usage(UNIT(m));
+ m->reset_cpu_usage = false;
+ }
r = unit_setup_exec_runtime(UNIT(m));
if (r < 0)
m->result = MOUNT_SUCCESS;
m->reload_result = MOUNT_SUCCESS;
+ m->reset_cpu_usage = true;
mount_enter_mounting(m);
return 1;
bool just_mounted:1;
bool just_changed:1;
+ bool reset_cpu_usage:1;
+
bool sloppy_options;
MountResult result;
if (!u->transient && UNIT(s)->manager->n_reloading <= 0)
return -ENOENT;
+ (void) unit_realize_cgroup(u);
+ (void) unit_reset_cpu_usage(u);
+
r = unit_attach_pids_to_cgroup(u);
if (r < 0)
return r;
assert(c);
assert(_pid);
- unit_realize_cgroup(UNIT(s));
+ (void) unit_realize_cgroup(UNIT(s));
+ if (s->reset_cpu_usage) {
+ (void) unit_reset_cpu_usage(UNIT(s));
+ s->reset_cpu_usage = false;
+ }
r = unit_setup_exec_runtime(UNIT(s));
if (r < 0)
s->main_pid_known = false;
s->main_pid_alien = false;
s->forbid_restart = false;
+ s->reset_cpu_usage = true;
free(s->status_text);
s->status_text = NULL;
bool forbid_restart:1;
bool start_timeout_defined:1;
+ bool reset_cpu_usage:1;
+
char *bus_name;
char *status_text;
assert(t);
assert(t->state == SLICE_DEAD);
- unit_realize_cgroup(u);
+ (void) unit_realize_cgroup(u);
+ (void) unit_reset_cpu_usage(u);
slice_set_state(t, SLICE_ACTIVE);
return 1;
assert(c);
assert(_pid);
- unit_realize_cgroup(UNIT(s));
+ (void) unit_realize_cgroup(UNIT(s));
+ if (s->reset_cpu_usage) {
+ (void) unit_reset_cpu_usage(UNIT(s));
+ s->reset_cpu_usage = false;
+ }
r = unit_setup_exec_runtime(UNIT(s));
if (r < 0)
assert(s->state == SOCKET_DEAD || s->state == SOCKET_FAILED);
s->result = SOCKET_SUCCESS;
+ s->reset_cpu_usage = true;
+
socket_enter_start_pre(s);
return 1;
bool selinux_context_from_net;
char *user, *group;
+
+ bool reset_cpu_usage:1;
};
/* Called from the service code when collecting fds */
assert(c);
assert(_pid);
- unit_realize_cgroup(UNIT(s));
+ (void) unit_realize_cgroup(UNIT(s));
+ if (s->reset_cpu_usage) {
+ (void) unit_reset_cpu_usage(UNIT(s));
+ s->reset_cpu_usage = false;
+ }
r = unit_setup_exec_runtime(UNIT(s));
if (r < 0)
return -EAGAIN;
s->result = SWAP_SUCCESS;
+ s->reset_cpu_usage = true;
+
swap_enter_activating(s);
return 1;
}
bool is_active:1;
bool just_activated:1;
+ bool reset_cpu_usage:1;
+
SwapResult result;
usec_t timeout_usec;
unit_serialize_item(u, f, "assert-result", yes_no(u->assert_result));
unit_serialize_item(u, f, "transient", yes_no(u->transient));
+ unit_serialize_item_format(u, f, "cpuacct-usage-base", "%" PRIu64, u->cpuacct_usage_base);
if (u->cgroup_path)
unit_serialize_item(u, f, "cgroup", u->cgroup_path);
u->transient = b;
continue;
+ } else if (streq(l, "cpuacct-usage-base")) {
+
+ r = safe_atou64(v, &u->cpuacct_usage_base);
+ if (r < 0)
+ log_debug("Failed to parse CPU usage %s", v);
+
} else if (streq(l, "cgroup")) {
char *s;
void *p;
p = hashmap_remove(u->manager->cgroup_unit, u->cgroup_path);
- log_info("Removing cgroup_path %s from hashmap (%p)",
- u->cgroup_path, p);
+ log_info("Removing cgroup_path %s from hashmap (%p)", u->cgroup_path, p);
free(u->cgroup_path);
}
UnitFileState unit_file_state;
int unit_file_preset;
+ /* Where the cpuacct.usage cgroup counter was at the time the unit was started */
+ nsec_t cpuacct_usage_base;
+
/* Counterparts in the cgroup filesystem */
char *cgroup_path;
CGroupControllerMask cgroup_realized_mask;
/* CGroup */
uint64_t memory_current;
uint64_t memory_limit;
+ uint64_t cpu_usage_nsec;
LIST_HEAD(ExecStatusInfo, exec);
} UnitStatusInfo;
printf("\n");
}
+ if (i->cpu_usage_nsec != (uint64_t) -1) {
+ char buf[FORMAT_TIMESPAN_MAX];
+ printf(" CPU: %s\n", format_timespan(buf, sizeof(buf), i->cpu_usage_nsec / NSEC_PER_USEC, USEC_PER_MSEC));
+ }
+
if (i->control_group &&
(i->main_pid > 0 || i->control_pid > 0 ||
((arg_transport != BUS_TRANSPORT_LOCAL && arg_transport != BUS_TRANSPORT_MACHINE) || cg_is_empty_recursive(SYSTEMD_CGROUP_CONTROLLER, i->control_group, false) == 0))) {
i->memory_current = u;
else if (streq(name, "MemoryLimit"))
i->memory_limit = u;
+ else if (streq(name, "CPUUsageNSec"))
+ i->cpu_usage_nsec = u;
break;
}
UnitStatusInfo info = {
.memory_current = (uint64_t) -1,
.memory_limit = (uint64_t) -1,
+ .cpu_usage_nsec = (uint64_t) -1,
};
ExecStatusInfo *p;
int r;