kata-containers/cgroups-rs
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add systemd controller; add more tests; update blkio stat for v2

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Signed-off-by: bin liu <bin@hyper.sh>
This commit is contained in:
bin liu
2020-09-04 22:42:49 +08:00
parent c623dc3fba
commit cd2c748a74
19 changed files with 622 additions and 159 deletions
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28
src/memory.rs
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@@ -12,6 +12,8 @@ use crate::error::ErrorKind::*;
use crate::error::*;
use crate::events;
use crate::flat_keyed_to_hashmap;
use crate::{
ControllIdentifier, ControllerInternal, Controllers, MaxValue, MemoryResources, Resources, Subsystem,
};
@@ -515,7 +517,7 @@ impl MemController {
move_charge_at_immigrate: 0,
numa_stat: NumaStat::default(),
oom_control: OomControl::default(),
soft_limit_in_bytes: set.high.unwrap().to_i64(),
soft_limit_in_bytes: set.low.unwrap().to_i64(),
stat: self
.open_path("memory.stat", false)
.and_then(read_string_from)
@@ -639,9 +641,33 @@ impl MemController {
}
}
pub fn memswap_v2(&self) -> MemSwap {
MemSwap {
fail_cnt: self
.open_path("memory.swap.events", false)
.and_then(flat_keyed_to_hashmap)
.and_then(|x| {
Ok(*x.get("fail").unwrap_or(&0) as u64)
}).unwrap(),
limit_in_bytes: self
.open_path("memory.swap.max", false)
.and_then(read_i64_from)
.unwrap_or(0),
usage_in_bytes: self
.open_path("memory.swap.current", false)
.and_then(read_u64_from)
.unwrap_or(0),
max_usage_in_bytes: 0,
}
}
/// Gathers information about the memory usage of the control group including the swap usage
/// (if any).
pub fn memswap(&self) -> MemSwap {
if self.v2 {
return self.memswap_v2();
}
MemSwap {
fail_cnt: self
.open_path("memory.memsw.failcnt", false)