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report mem stats (#21258)

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This commit is contained in:
Jeff Washington (jwash)
2021-11-12 18:59:41 -06:00
committed by GitHub
parent 778b5d736c
commit f8dcb2f38b
5 changed files with 80 additions and 13 deletions
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13
sdk/src/timing.rs
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@ -28,6 +28,7 @@ pub fn duration_as_s(d: &Duration) -> f32 {
d.as_secs() as f32 + (d.subsec_nanos() as f32 / 1_000_000_000.0)
}
/// return timestamp as ms
pub fn timestamp() -> u64 {
let now = SystemTime::now()
.duration_since(UNIX_EPOCH)
@ -66,14 +67,18 @@ pub struct AtomicInterval {
}
impl AtomicInterval {
pub fn should_update(&self, interval_time: u64) -> bool {
self.should_update_ext(interval_time, true)
/// true if 'interval_time_ms' has elapsed since last time we returned true as long as it has been 'interval_time_ms' since this struct was created
pub fn should_update(&self, interval_time_ms: u64) -> bool {
self.should_update_ext(interval_time_ms, true)
}
pub fn should_update_ext(&self, interval_time: u64, skip_first: bool) -> bool {
/// a primary use case is periodic metric reporting, potentially from different threads
/// true if 'interval_time_ms' has elapsed since last time we returned true
/// except, if skip_first=false, false until 'interval_time_ms' has elapsed since this struct was created
pub fn should_update_ext(&self, interval_time_ms: u64, skip_first: bool) -> bool {
let now = timestamp();
let last = self.last_update.load(Ordering::Relaxed);
now.saturating_sub(last) > interval_time
now.saturating_sub(last) > interval_time_ms
&& self
.last_update
.compare_exchange(last, now, Ordering::Relaxed, Ordering::Relaxed)