feat(divan_compat): add perf walltime support

not-matthias · not-matthias · commit 677a5f92f3de · 2025-03-25T12:08:02.000+01:00
diff --git a/crates/divan_compat/divan_fork/src/bench/mod.rs b/crates/divan_compat/divan_fork/src/bench/mod.rs
@@ -657,6 +657,8 @@ impl<'a> BenchContext<'a> {
 
         let bench_overheads = timer.bench_overheads();
 
+        use codspeed::fifo::*;
+        let _guard = PerfGuard::new(RUNNER_CTL_FIFO, RUNNER_ACK_FIFO);
         while {
             // Conditions for when sampling is over:
             if elapsed_picos >= max_picos {
@@ -810,6 +812,7 @@ impl<'a> BenchContext<'a> {
                 elapsed_picos = elapsed_picos.saturating_add(progress_picos);
             }
         }
+        core::mem::drop(_guard);
 
         // Reset flag for ignoring allocations.
         crate::alloc::IGNORE_ALLOC.set(false);

Original file line number	Diff line number	Diff line change
`@@ -657,6 +657,8 @@ impl<'a> BenchContext<'a> {`
`657`	`657`
`658`	`658`	`let bench_overheads = timer.bench_overheads();`
`659`	`659`
	`660`	`+ use codspeed::fifo::*;`
	`661`	`+ let _guard = PerfGuard::new(RUNNER_CTL_FIFO, RUNNER_ACK_FIFO);`
`660`	`662`	`while {`
`661`	`663`	`// Conditions for when sampling is over:`
`662`	`664`	`if elapsed_picos >= max_picos {`
`@@ -810,6 +812,7 @@ impl<'a> BenchContext<'a> {`
`810`	`812`	`elapsed_picos = elapsed_picos.saturating_add(progress_picos);`
`811`	`813`	`}`
`812`	`814`	`}`
	`815`	`+ core::mem::drop(_guard);`
`813`	`816`
`814`	`817`	`// Reset flag for ignoring allocations.`
`815`	`818`	`crate::alloc::IGNORE_ALLOC.set(false);`