diff options
Diffstat (limited to 'includes/rts/SpinLock.h')
| -rw-r--r-- | includes/rts/SpinLock.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/includes/rts/SpinLock.h b/includes/rts/SpinLock.h index 6530a3a2f0..1dca02f795 100644 --- a/includes/rts/SpinLock.h +++ b/includes/rts/SpinLock.h @@ -27,7 +27,8 @@ typedef struct SpinLock_ { StgWord lock; - StgWord64 spin; // DEBUG version counts how much it spins + StgWord64 spin; // incremented every time we spin in ACQUIRE_SPIN_LOCK + StgWord64 yield; // incremented every time we yield in ACQUIRE_SPIN_LOCK } SpinLock; #else typedef StgWord SpinLock; @@ -49,6 +50,7 @@ INLINE_HEADER void ACQUIRE_SPIN_LOCK(SpinLock * p) p->spin++; busy_wait_nop(); } + p->yield++; yieldThread(); } while (1); } @@ -66,6 +68,7 @@ INLINE_HEADER void initSpinLock(SpinLock * p) write_barrier(); p->lock = 1; p->spin = 0; + p->yield = 0; } #else |