23 lines
652 B
Rust
23 lines
652 B
Rust
//! The `timing` module provides std::time utility functions.
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use std::time::Duration;
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use std::time::{SystemTime, UNIX_EPOCH};
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pub fn duration_as_us(d: &Duration) -> u64 {
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(d.as_secs() * 1000 * 1000) + (u64::from(d.subsec_nanos()) / 1_000)
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}
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pub fn duration_as_ms(d: &Duration) -> u64 {
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(d.as_secs() * 1000) + (u64::from(d.subsec_nanos()) / 1_000_000)
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}
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pub fn duration_as_s(d: &Duration) -> f32 {
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d.as_secs() as f32 + (d.subsec_nanos() as f32 / 1_000_000_000.0)
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}
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pub fn timestamp() -> u64 {
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let now = SystemTime::now()
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.duration_since(UNIX_EPOCH)
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.expect("create timestamp in timing");
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duration_as_ms(&now)
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}
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