diff options
Diffstat (limited to 'src/core')
| -rw-r--r-- | src/core/dbus-unit.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/src/core/dbus-unit.c b/src/core/dbus-unit.c index b968009938..fe876b3ffe 100644 --- a/src/core/dbus-unit.c +++ b/src/core/dbus-unit.c @@ -638,10 +638,46 @@ static int property_get_slice( return sd_bus_message_append(reply, "s", unit_slice_name(u)); } +static int property_get_current_memory( + sd_bus *bus, + const char *path, + const char *interface, + const char *property, + sd_bus_message *reply, + void *userdata, + sd_bus_error *error) { + + Unit *u = userdata; + uint64_t sz = (uint64_t) -1; + int r; + + assert(bus); + assert(reply); + assert(u); + + if (u->cgroup_path && + (u->cgroup_realized_mask & CGROUP_MEMORY)) { + _cleanup_free_ char *v = NULL; + + 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"); + + 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"); + } + } + + return sd_bus_message_append(reply, "t", sz); +} + const sd_bus_vtable bus_unit_cgroup_vtable[] = { SD_BUS_VTABLE_START(0), 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_VTABLE_END }; |