| ... | ... | @@ -580,3 +580,46 @@ pub fn microTimestamp() i64 { |
| 580 | 580 | pub fn milliTimestamp() i64 { |
| 581 | 581 | return @as(i64, @intCast(@divFloor(nanoTimestamp(), ns_per_ms))); |
| 582 | 582 | } |
| 583 | |
| 584 | pub const Instant = struct { |
| 585 | timestamp_ns: u64, |
| 586 | |
| 587 | pub fn now() !Instant { |
| 588 | const ts = try sys.clock_gettime(sys.CLOCK.REALTIME); |
| 589 | return .{ .timestamp_ns = @as(u64, @intCast(ts.nsec)) + @as(u64, @intCast(ts.sec)) * ns_per_s }; |
| 590 | } |
| 591 | |
| 592 | pub fn since(self: Instant, earlier: Instant) u64 { |
| 593 | return self.timestamp_ns - earlier.timestamp_ns; |
| 594 | } |
| 595 | |
| 596 | pub fn order(self: Instant, other: Instant) std.math.Order { |
| 597 | return std.math.order(self.timestamp_ns, other.timestamp_ns); |
| 598 | } |
| 599 | }; |
| 600 | |
| 601 | pub const Timer = struct { |
| 602 | started: Instant, |
| 603 | |
| 604 | pub fn start() !Timer { |
| 605 | return .{ .started = try .now() }; |
| 606 | } |
| 607 | |
| 608 | fn sample() Instant { |
| 609 | return Instant.now() catch unreachable; |
| 610 | } |
| 611 | |
| 612 | pub fn read(self: *const Timer) u64 { |
| 613 | return sample().since(self.started); |
| 614 | } |
| 615 | |
| 616 | pub fn reset(self: *Timer) void { |
| 617 | self.started = sample(); |
| 618 | } |
| 619 | |
| 620 | pub fn lap(self: *Timer) u64 { |
| 621 | const current = sample(); |
| 622 | defer self.started = current; |
| 623 | return current.since(self.started); |
| 624 | } |
| 625 | }; |
Meghan Denny <hello@nektro.net> 2026-06-08 13:15:58 -07:00
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