diff --git a/man/org.freedesktop.systemd1.xml b/man/org.freedesktop.systemd1.xml
index 03ff1401e05..117f802a7a4 100644
--- a/man/org.freedesktop.systemd1.xml
+++ b/man/org.freedesktop.systemd1.xml
@@ -2782,6 +2782,8 @@ node /org/freedesktop/systemd1/unit/avahi_2ddaemon_2eservice {
@org.freedesktop.DBus.Property.EmitsChangedSignal("false")
readonly t MemorySwapPeak = ...;
@org.freedesktop.DBus.Property.EmitsChangedSignal("false")
+ readonly t MemoryZswapCurrent = ...;
+ @org.freedesktop.DBus.Property.EmitsChangedSignal("false")
readonly t MemoryAvailable = ...;
@org.freedesktop.DBus.Property.EmitsChangedSignal("false")
readonly t CPUUsageNSec = ...;
@@ -3415,6 +3417,8 @@ node /org/freedesktop/systemd1/unit/avahi_2ddaemon_2eservice {
+
+
@@ -4053,6 +4057,8 @@ node /org/freedesktop/systemd1/unit/avahi_2ddaemon_2eservice {
+
+
@@ -4855,6 +4861,8 @@ node /org/freedesktop/systemd1/unit/avahi_2ddaemon_2esocket {
@org.freedesktop.DBus.Property.EmitsChangedSignal("false")
readonly t MemorySwapPeak = ...;
@org.freedesktop.DBus.Property.EmitsChangedSignal("false")
+ readonly t MemoryZswapCurrent = ...;
+ @org.freedesktop.DBus.Property.EmitsChangedSignal("false")
readonly t MemoryAvailable = ...;
@org.freedesktop.DBus.Property.EmitsChangedSignal("false")
readonly t CPUUsageNSec = ...;
@@ -5498,6 +5506,8 @@ node /org/freedesktop/systemd1/unit/avahi_2ddaemon_2esocket {
+
+
@@ -6118,6 +6128,8 @@ node /org/freedesktop/systemd1/unit/avahi_2ddaemon_2esocket {
+
+
@@ -6794,6 +6806,8 @@ node /org/freedesktop/systemd1/unit/home_2emount {
@org.freedesktop.DBus.Property.EmitsChangedSignal("false")
readonly t MemorySwapPeak = ...;
@org.freedesktop.DBus.Property.EmitsChangedSignal("false")
+ readonly t MemoryZswapCurrent = ...;
+ @org.freedesktop.DBus.Property.EmitsChangedSignal("false")
readonly t MemoryAvailable = ...;
@org.freedesktop.DBus.Property.EmitsChangedSignal("false")
readonly t CPUUsageNSec = ...;
@@ -7365,6 +7379,8 @@ node /org/freedesktop/systemd1/unit/home_2emount {
+
+
@@ -7899,6 +7915,8 @@ node /org/freedesktop/systemd1/unit/home_2emount {
+
+
@@ -8698,6 +8716,8 @@ node /org/freedesktop/systemd1/unit/dev_2dsda3_2eswap {
@org.freedesktop.DBus.Property.EmitsChangedSignal("false")
readonly t MemorySwapPeak = ...;
@org.freedesktop.DBus.Property.EmitsChangedSignal("false")
+ readonly t MemoryZswapCurrent = ...;
+ @org.freedesktop.DBus.Property.EmitsChangedSignal("false")
readonly t MemoryAvailable = ...;
@org.freedesktop.DBus.Property.EmitsChangedSignal("false")
readonly t CPUUsageNSec = ...;
@@ -9255,6 +9275,8 @@ node /org/freedesktop/systemd1/unit/dev_2dsda3_2eswap {
+
+
@@ -9775,6 +9797,8 @@ node /org/freedesktop/systemd1/unit/dev_2dsda3_2eswap {
+
+
@@ -10433,6 +10457,8 @@ node /org/freedesktop/systemd1/unit/system_2eslice {
@org.freedesktop.DBus.Property.EmitsChangedSignal("false")
readonly t MemorySwapPeak = ...;
@org.freedesktop.DBus.Property.EmitsChangedSignal("false")
+ readonly t MemoryZswapCurrent = ...;
+ @org.freedesktop.DBus.Property.EmitsChangedSignal("false")
readonly t MemoryAvailable = ...;
@org.freedesktop.DBus.Property.EmitsChangedSignal("false")
readonly t CPUUsageNSec = ...;
@@ -10616,6 +10642,8 @@ node /org/freedesktop/systemd1/unit/system_2eslice {
+
+
@@ -10800,6 +10828,8 @@ node /org/freedesktop/systemd1/unit/system_2eslice {
+
+
@@ -11012,6 +11042,8 @@ node /org/freedesktop/systemd1/unit/session_2d1_2escope {
@org.freedesktop.DBus.Property.EmitsChangedSignal("false")
readonly t MemorySwapPeak = ...;
@org.freedesktop.DBus.Property.EmitsChangedSignal("false")
+ readonly t MemoryZswapCurrent = ...;
+ @org.freedesktop.DBus.Property.EmitsChangedSignal("false")
readonly t MemoryAvailable = ...;
@org.freedesktop.DBus.Property.EmitsChangedSignal("false")
readonly t CPUUsageNSec = ...;
@@ -11215,6 +11247,8 @@ node /org/freedesktop/systemd1/unit/session_2d1_2escope {
+
+
@@ -11429,6 +11463,8 @@ node /org/freedesktop/systemd1/unit/session_2d1_2escope {
+
+
@@ -11827,8 +11863,9 @@ $ gdbus introspect --system --dest org.freedesktop.systemd1 \
SetLoginEnvironment,
CoredumpReceive,
MemoryPeak,
- MemorySwapCurrent, and
- MemorySwapPeak were added in version 255.
+ MemorySwapCurrent,
+ MemorySwapPeak, and
+ MemoryZswapCurrent were added in version 255.
Socket Unit Objects
@@ -11857,8 +11894,9 @@ $ gdbus introspect --system --dest org.freedesktop.systemd1 \
SetLoginEnvironment,
CoredumpReceive,
MemoryPeak,
- MemorySwapCurrent, and
- MemorySwapPeak were added in version 255.
+ MemorySwapCurrent,
+ MemorySwapPeak, and
+ MemoryZswapCurrent were added in version 255.
Mount Unit Objects
@@ -11885,8 +11923,9 @@ $ gdbus introspect --system --dest org.freedesktop.systemd1 \
SetLoginEnvironment,
CoredumpReceive,
MemoryPeak,
- MemorySwapCurrent, and
- MemorySwapPeak were added in version 255.
+ MemorySwapCurrent,
+ MemorySwapPeak, and
+ MemoryZswapCurrent were added in version 255.
Swap Unit Objects
@@ -11913,8 +11952,9 @@ $ gdbus introspect --system --dest org.freedesktop.systemd1 \
SetLoginEnvironment,
CoredumpReceive,
MemoryPeak,
- MemorySwapCurrent, and
- MemorySwapPeak were added in version 255.
+ MemorySwapCurrent,
+ MemorySwapPeak, and
+ MemoryZswapCurrent were added in version 255.
Slice Unit Objects
@@ -11932,8 +11972,9 @@ $ gdbus introspect --system --dest org.freedesktop.systemd1 \
NFTSet,
CoredumpReceive,
MemoryPeak,
- MemorySwapCurrent, and
- MemorySwapPeak were added in version 255.
+ MemorySwapCurrent,
+ MemorySwapPeak, and
+ MemoryZswapCurrent were added in version 255.
Scope Unit Objects
@@ -11952,8 +11993,9 @@ $ gdbus introspect --system --dest org.freedesktop.systemd1 \
NFTSet,
CoredumpReceive,
MemoryPeak,
- MemorySwapCurrent, and
- MemorySwapPeak were added in version 255.
+ MemorySwapCurrent,
+ MemorySwapPeak, and
+ MemoryZswapCurrent were added in version 255.
Job Objects
diff --git a/src/core/cgroup.c b/src/core/cgroup.c
index 2aa4431ceb9..03fdc7388fc 100644
--- a/src/core/cgroup.c
+++ b/src/core/cgroup.c
@@ -4111,6 +4111,10 @@ int unit_get_memory_swap_peak(Unit *u, uint64_t *ret) {
return unit_get_memory_attr_cached(u, "memory.swap.peak", &u->memory_swap_peak_last, ret);
}
+int unit_get_memory_zswap_current(Unit *u, uint64_t *ret) {
+ return unit_get_memory_attr_raw(u, "memory.zswap.current", ret);
+}
+
int unit_get_tasks_current(Unit *u, uint64_t *ret) {
assert(u);
assert(ret);
diff --git a/src/core/cgroup.h b/src/core/cgroup.h
index 40c394f1091..203575ca343 100644
--- a/src/core/cgroup.h
+++ b/src/core/cgroup.h
@@ -356,6 +356,7 @@ int unit_get_memory_current(Unit *u, uint64_t *ret);
int unit_get_memory_peak(Unit *u, uint64_t *ret);
int unit_get_memory_swap_current(Unit *u, uint64_t *ret);
int unit_get_memory_swap_peak(Unit *u, uint64_t *ret);
+int unit_get_memory_zswap_current(Unit *u, uint64_t *ret);
int unit_get_memory_available(Unit *u, uint64_t *ret);
int unit_get_tasks_current(Unit *u, uint64_t *ret);
int unit_get_cpu_usage(Unit *u, nsec_t *ret);
diff --git a/src/core/dbus-unit.c b/src/core/dbus-unit.c
index 40cc16c28f6..242c80aba22 100644
--- a/src/core/dbus-unit.c
+++ b/src/core/dbus-unit.c
@@ -1149,6 +1149,29 @@ static int property_get_peak_swap_memory(
return sd_bus_message_append(reply, "t", sz);
}
+static int property_get_current_zswap_memory(
+ sd_bus *bus,
+ const char *path,
+ const char *interface,
+ const char *property,
+ sd_bus_message *reply,
+ void *userdata,
+ sd_bus_error *error) {
+
+ uint64_t sz = UINT64_MAX;
+ Unit *u = ASSERT_PTR(userdata);
+ int r;
+
+ assert(bus);
+ assert(reply);
+
+ r = unit_get_memory_swap_current(u, &sz);
+ if (r < 0 && r != -ENODATA)
+ log_unit_warning_errno(u, r, "Failed to get memory.zswap.current attribute: %m");
+
+ return sd_bus_message_append(reply, "t", sz);
+}
+
static int property_get_available_memory(
sd_bus *bus,
const char *path,
@@ -1608,6 +1631,7 @@ const sd_bus_vtable bus_unit_cgroup_vtable[] = {
SD_BUS_PROPERTY("MemoryPeak", "t", property_get_peak_memory, 0, 0),
SD_BUS_PROPERTY("MemorySwapCurrent", "t", property_get_current_swap_memory, 0, 0),
SD_BUS_PROPERTY("MemorySwapPeak", "t", property_get_peak_swap_memory, 0, 0),
+ SD_BUS_PROPERTY("MemoryZswapCurrent", "t", property_get_current_zswap_memory, 0, 0),
SD_BUS_PROPERTY("MemoryAvailable", "t", property_get_available_memory, 0, 0),
SD_BUS_PROPERTY("CPUUsageNSec", "t", property_get_cpu_usage, 0, 0),
SD_BUS_PROPERTY("EffectiveCPUs", "ay", property_get_cpuset_cpus, 0, 0),
diff --git a/src/systemctl/systemctl-show.c b/src/systemctl/systemctl-show.c
index 71d93833f7f..25378ff0aa4 100644
--- a/src/systemctl/systemctl-show.c
+++ b/src/systemctl/systemctl-show.c
@@ -253,6 +253,7 @@ typedef struct UnitStatusInfo {
uint64_t memory_peak;
uint64_t memory_swap_current;
uint64_t memory_swap_peak;
+ uint64_t memory_zswap_current;
uint64_t memory_min;
uint64_t memory_low;
uint64_t startup_memory_low;
@@ -707,9 +708,11 @@ static void print_status_info(
/* Only show current swap if it ever was non-zero or is currently non-zero. In both cases
memory_swap_peak will be non-zero (and not CGROUP_LIMIT_MAX). */
- bool show_memory_swap = !IN_SET(i->memory_swap_peak, 0, CGROUP_LIMIT_MAX);
+ bool show_memory_swap = !IN_SET(i->memory_swap_peak, 0, CGROUP_LIMIT_MAX),
+ show_memory_zswap_current = !IN_SET(i->memory_zswap_current, 0, CGROUP_LIMIT_MAX);
if (i->memory_peak != CGROUP_LIMIT_MAX ||
show_memory_swap ||
+ show_memory_zswap_current ||
i->memory_min > 0 ||
i->memory_low > 0 || i->startup_memory_low > 0 ||
i->memory_high != CGROUP_LIMIT_MAX || i->startup_memory_high != CGROUP_LIMIT_MAX ||
@@ -785,6 +788,10 @@ static void print_status_info(
printf("%sswap peak: %s", prefix, FORMAT_BYTES(i->memory_swap_peak));
prefix = " ";
}
+ if (show_memory_zswap_current) {
+ printf("%szswap: %s", prefix, FORMAT_BYTES(i->memory_zswap_current));
+ prefix = " ";
+ }
printf(")");
}
printf("\n");
@@ -2054,6 +2061,7 @@ static int show_one(
{ "MemoryPeak", "t", NULL, offsetof(UnitStatusInfo, memory_peak) },
{ "MemorySwapCurrent", "t", NULL, offsetof(UnitStatusInfo, memory_swap_current) },
{ "MemorySwapPeak", "t", NULL, offsetof(UnitStatusInfo, memory_swap_peak) },
+ { "MemoryZswapCurrent", "t", NULL, offsetof(UnitStatusInfo, memory_zswap_current) },
{ "MemoryAvailable", "t", NULL, offsetof(UnitStatusInfo, memory_available) },
{ "DefaultMemoryMin", "t", NULL, offsetof(UnitStatusInfo, default_memory_min) },
{ "DefaultMemoryLow", "t", NULL, offsetof(UnitStatusInfo, default_memory_low) },
@@ -2113,6 +2121,7 @@ static int show_one(
.memory_peak = CGROUP_LIMIT_MAX,
.memory_swap_current = CGROUP_LIMIT_MAX,
.memory_swap_peak = CGROUP_LIMIT_MAX,
+ .memory_zswap_current = CGROUP_LIMIT_MAX,
.memory_available = CGROUP_LIMIT_MAX,
.cpu_usage_nsec = UINT64_MAX,
.tasks_current = UINT64_MAX,