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[Qemu-devel] [PATCH 3/7] test-coroutine: avoid overflow on 32-bit system
From: |
Paolo Bonzini |
Subject: |
[Qemu-devel] [PATCH 3/7] test-coroutine: avoid overflow on 32-bit systems |
Date: |
Fri, 28 Nov 2014 15:12:17 +0100 |
unsigned long is not large enough to represent 1000000000 * duration there.
Just use floating point.
Signed-off-by: Paolo Bonzini <address@hidden>
---
tests/test-coroutine.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tests/test-coroutine.c b/tests/test-coroutine.c
index e22fae1..27d1b6f 100644
--- a/tests/test-coroutine.c
+++ b/tests/test-coroutine.c
@@ -337,7 +337,7 @@ static void perf_cost(void)
"%luns per coroutine",
maxcycles,
duration, ops,
- (unsigned long)(1000000000 * duration) / maxcycles);
+ (unsigned long)(1000000000.0 * duration / maxcycles));
}
int main(int argc, char **argv)
--
2.1.0
[Qemu-devel] [PATCH 6/7] coroutine: drop qemu_coroutine_adjust_pool_size, Paolo Bonzini, 2014/11/28
[Qemu-devel] [PATCH 7/7] coroutine: try harder not to delete coroutines, Paolo Bonzini, 2014/11/28