[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH] test-coroutine: add performance test for nesting
From: |
Alex Barcelo |
Subject: |
[Qemu-devel] [PATCH] test-coroutine: add performance test for nesting |
Date: |
Thu, 16 Feb 2012 13:14:06 +0100 |
The performance test will also check for nesting. It will do
a certain quantity of cycles, and each of one will do a depth
nesting process.
This is useful for benchmarking the creation of coroutines,
given that nesting is creation-intensive (and the other perf
test does not benchmark that).
Signed-off-by: Alex Barcelo <address@hidden>
---
test-coroutine.c | 27 +++++++++++++++++++++++++++
1 files changed, 27 insertions(+), 0 deletions(-)
diff --git a/test-coroutine.c b/test-coroutine.c
index bf9f3e9..7425dad 100644
--- a/test-coroutine.c
+++ b/test-coroutine.c
@@ -177,6 +177,32 @@ static void perf_lifecycle(void)
g_test_message("Lifecycle %u iterations: %f s\n", max, duration);
}
+static void perf_nesting(void)
+{
+ unsigned int i, maxcycles, maxnesting;
+ double duration;
+
+ maxcycles = 100000000;
+ maxnesting = 200000;
+ Coroutine *root;
+ NestData nd = {
+ .n_enter = 0,
+ .n_return = 0,
+ .max = maxnesting,
+ };
+
+ g_test_timer_start();
+ for (i = 0; i < maxcycles; i++) {
+ root = qemu_coroutine_create(nest);
+ qemu_coroutine_enter(root, &nd);
+ }
+ duration = g_test_timer_elapsed();
+
+ g_test_message("Nesting %u iterations of %u depth each: %f s\n",
+ maxcycles, maxnesting, duration);
+}
+
+
int main(int argc, char **argv)
{
g_test_init(&argc, &argv, NULL);
@@ -187,6 +213,7 @@ int main(int argc, char **argv)
g_test_add_func("/basic/in_coroutine", test_in_coroutine);
if (g_test_perf()) {
g_test_add_func("/perf/lifecycle", perf_lifecycle);
+ g_test_add_func("/perf/nesting", perf_nesting);
}
return g_test_run();
}
--
1.7.5.4
[Prev in Thread] |
Current Thread |
[Next in Thread] |
- [Qemu-devel] [PATCH] test-coroutine: add performance test for nesting,
Alex Barcelo <=