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-rw-r--r--tests/test-throttle.c163
1 files changed, 117 insertions, 46 deletions
diff --git a/tests/test-throttle.c b/tests/test-throttle.c
index d8ba415..0168445 100644
--- a/tests/test-throttle.c
+++ b/tests/test-throttle.c
@@ -1,10 +1,12 @@
/*
* Throttle infrastructure tests
*
- * Copyright Nodalink, SARL. 2013
+ * Copyright Nodalink, EURL. 2013-2014
+ * Copyright Igalia, S.L. 2015
*
* Authors:
- * Benoît Canet <benoit.canet@irqsave.net>
+ * Benoît Canet <benoit.canet@nodalink.com>
+ * Alberto Garcia <berto@igalia.com>
*
* This work is licensed under the terms of the GNU LGPL, version 2 or later.
* See the COPYING.LIB file in the top-level directory.
@@ -15,11 +17,13 @@
#include "block/aio.h"
#include "qemu/throttle.h"
#include "qemu/error-report.h"
+#include "block/throttle-groups.h"
static AioContext *ctx;
static LeakyBucket bkt;
static ThrottleConfig cfg;
static ThrottleState ts;
+static ThrottleTimers tt;
/* useful function */
static bool double_cmp(double x, double y)
@@ -103,17 +107,19 @@ static void test_init(void)
{
int i;
- /* fill the structure with crap */
+ /* fill the structures with crap */
memset(&ts, 1, sizeof(ts));
+ memset(&tt, 1, sizeof(tt));
- /* init the structure */
- throttle_init(&ts, ctx, QEMU_CLOCK_VIRTUAL,
- read_timer_cb, write_timer_cb, &ts);
+ /* init structures */
+ throttle_init(&ts);
+ throttle_timers_init(&tt, ctx, QEMU_CLOCK_VIRTUAL,
+ read_timer_cb, write_timer_cb, &ts);
/* check initialized fields */
- g_assert(ts.clock_type == QEMU_CLOCK_VIRTUAL);
- g_assert(ts.timers[0]);
- g_assert(ts.timers[1]);
+ g_assert(tt.clock_type == QEMU_CLOCK_VIRTUAL);
+ g_assert(tt.timers[0]);
+ g_assert(tt.timers[1]);
/* check other fields where cleared */
g_assert(!ts.previous_leak);
@@ -124,17 +130,18 @@ static void test_init(void)
g_assert(!ts.cfg.buckets[i].level);
}
- throttle_destroy(&ts);
+ throttle_timers_destroy(&tt);
}
static void test_destroy(void)
{
int i;
- throttle_init(&ts, ctx, QEMU_CLOCK_VIRTUAL,
- read_timer_cb, write_timer_cb, &ts);
- throttle_destroy(&ts);
+ throttle_init(&ts);
+ throttle_timers_init(&tt, ctx, QEMU_CLOCK_VIRTUAL,
+ read_timer_cb, write_timer_cb, &ts);
+ throttle_timers_destroy(&tt);
for (i = 0; i < 2; i++) {
- g_assert(!ts.timers[i]);
+ g_assert(!tt.timers[i]);
}
}
@@ -170,11 +177,12 @@ static void test_config_functions(void)
orig_cfg.op_size = 1;
- throttle_init(&ts, ctx, QEMU_CLOCK_VIRTUAL,
- read_timer_cb, write_timer_cb, &ts);
+ throttle_init(&ts);
+ throttle_timers_init(&tt, ctx, QEMU_CLOCK_VIRTUAL,
+ read_timer_cb, write_timer_cb, &ts);
/* structure reset by throttle_init previous_leak should be null */
g_assert(!ts.previous_leak);
- throttle_config(&ts, &orig_cfg);
+ throttle_config(&ts, &tt, &orig_cfg);
/* has previous leak been initialized by throttle_config ? */
g_assert(ts.previous_leak);
@@ -182,7 +190,7 @@ static void test_config_functions(void)
/* get back the fixed configuration */
throttle_get_config(&ts, &final_cfg);
- throttle_destroy(&ts);
+ throttle_timers_destroy(&tt);
g_assert(final_cfg.buckets[THROTTLE_BPS_TOTAL].avg == 153);
g_assert(final_cfg.buckets[THROTTLE_BPS_READ].avg == 56);
@@ -323,43 +331,47 @@ static void test_is_valid(void)
static void test_have_timer(void)
{
- /* zero the structure */
+ /* zero structures */
memset(&ts, 0, sizeof(ts));
+ memset(&tt, 0, sizeof(tt));
/* no timer set should return false */
- g_assert(!throttle_have_timer(&ts));
+ g_assert(!throttle_timers_are_initialized(&tt));
- /* init the structure */
- throttle_init(&ts, ctx, QEMU_CLOCK_VIRTUAL,
- read_timer_cb, write_timer_cb, &ts);
+ /* init structures */
+ throttle_init(&ts);
+ throttle_timers_init(&tt, ctx, QEMU_CLOCK_VIRTUAL,
+ read_timer_cb, write_timer_cb, &ts);
/* timer set by init should return true */
- g_assert(throttle_have_timer(&ts));
+ g_assert(throttle_timers_are_initialized(&tt));
- throttle_destroy(&ts);
+ throttle_timers_destroy(&tt);
}
static void test_detach_attach(void)
{
- /* zero the structure */
+ /* zero structures */
memset(&ts, 0, sizeof(ts));
+ memset(&tt, 0, sizeof(tt));
/* init the structure */
- throttle_init(&ts, ctx, QEMU_CLOCK_VIRTUAL,
- read_timer_cb, write_timer_cb, &ts);
+ throttle_init(&ts);
+ throttle_timers_init(&tt, ctx, QEMU_CLOCK_VIRTUAL,
+ read_timer_cb, write_timer_cb, &ts);
/* timer set by init should return true */
- g_assert(throttle_have_timer(&ts));
+ g_assert(throttle_timers_are_initialized(&tt));
/* timer should no longer exist after detaching */
- throttle_detach_aio_context(&ts);
- g_assert(!throttle_have_timer(&ts));
+ throttle_timers_detach_aio_context(&tt);
+ g_assert(!throttle_timers_are_initialized(&tt));
/* timer should exist again after attaching */
- throttle_attach_aio_context(&ts, ctx);
- g_assert(throttle_have_timer(&ts));
+ throttle_timers_attach_aio_context(&tt, ctx);
+ g_assert(throttle_timers_are_initialized(&tt));
- throttle_destroy(&ts);
+ throttle_timers_destroy(&tt);
}
static bool do_test_accounting(bool is_ops, /* are we testing bps or ops */
@@ -387,9 +399,10 @@ static bool do_test_accounting(bool is_ops, /* are we testing bps or ops */
cfg.op_size = op_size;
- throttle_init(&ts, ctx, QEMU_CLOCK_VIRTUAL,
- read_timer_cb, write_timer_cb, &ts);
- throttle_config(&ts, &cfg);
+ throttle_init(&ts);
+ throttle_timers_init(&tt, ctx, QEMU_CLOCK_VIRTUAL,
+ read_timer_cb, write_timer_cb, &ts);
+ throttle_config(&ts, &tt, &cfg);
/* account a read */
throttle_account(&ts, false, size);
@@ -414,7 +427,7 @@ static bool do_test_accounting(bool is_ops, /* are we testing bps or ops */
return false;
}
- throttle_destroy(&ts);
+ throttle_timers_destroy(&tt);
return true;
}
@@ -490,23 +503,80 @@ static void test_accounting(void)
(64.0 / 13)));
}
+static void test_groups(void)
+{
+ ThrottleConfig cfg1, cfg2;
+ BlockDriverState *bdrv1, *bdrv2, *bdrv3;
+
+ bdrv1 = bdrv_new();
+ bdrv2 = bdrv_new();
+ bdrv3 = bdrv_new();
+
+ g_assert(bdrv1->throttle_state == NULL);
+ g_assert(bdrv2->throttle_state == NULL);
+ g_assert(bdrv3->throttle_state == NULL);
+
+ throttle_group_register_bs(bdrv1, "bar");
+ throttle_group_register_bs(bdrv2, "foo");
+ throttle_group_register_bs(bdrv3, "bar");
+
+ g_assert(bdrv1->throttle_state != NULL);
+ g_assert(bdrv2->throttle_state != NULL);
+ g_assert(bdrv3->throttle_state != NULL);
+
+ g_assert(!strcmp(throttle_group_get_name(bdrv1), "bar"));
+ g_assert(!strcmp(throttle_group_get_name(bdrv2), "foo"));
+ g_assert(bdrv1->throttle_state == bdrv3->throttle_state);
+
+ /* Setting the config of a group member affects the whole group */
+ memset(&cfg1, 0, sizeof(cfg1));
+ cfg1.buckets[THROTTLE_BPS_READ].avg = 500000;
+ cfg1.buckets[THROTTLE_BPS_WRITE].avg = 285000;
+ cfg1.buckets[THROTTLE_OPS_READ].avg = 20000;
+ cfg1.buckets[THROTTLE_OPS_WRITE].avg = 12000;
+ throttle_group_config(bdrv1, &cfg1);
+
+ throttle_group_get_config(bdrv1, &cfg1);
+ throttle_group_get_config(bdrv3, &cfg2);
+ g_assert(!memcmp(&cfg1, &cfg2, sizeof(cfg1)));
+
+ cfg2.buckets[THROTTLE_BPS_READ].avg = 4547;
+ cfg2.buckets[THROTTLE_BPS_WRITE].avg = 1349;
+ cfg2.buckets[THROTTLE_OPS_READ].avg = 123;
+ cfg2.buckets[THROTTLE_OPS_WRITE].avg = 86;
+ throttle_group_config(bdrv3, &cfg1);
+
+ throttle_group_get_config(bdrv1, &cfg1);
+ throttle_group_get_config(bdrv3, &cfg2);
+ g_assert(!memcmp(&cfg1, &cfg2, sizeof(cfg1)));
+
+ throttle_group_unregister_bs(bdrv1);
+ throttle_group_unregister_bs(bdrv2);
+ throttle_group_unregister_bs(bdrv3);
+
+ g_assert(bdrv1->throttle_state == NULL);
+ g_assert(bdrv2->throttle_state == NULL);
+ g_assert(bdrv3->throttle_state == NULL);
+}
+
int main(int argc, char **argv)
{
- GSource *src;
Error *local_error = NULL;
- init_clocks();
+ qemu_init_main_loop(&local_error);
+ ctx = qemu_get_aio_context();
- ctx = aio_context_new(&local_error);
if (!ctx) {
error_report("Failed to create AIO Context: '%s'",
- error_get_pretty(local_error));
- error_free(local_error);
+ local_error ? error_get_pretty(local_error) :
+ "Failed to initialize the QEMU main loop");
+ if (local_error) {
+ error_free(local_error);
+ }
exit(1);
}
- src = aio_get_g_source(ctx);
- g_source_attach(src, NULL);
- g_source_unref(src);
+
+ bdrv_init();
do {} while (g_main_context_iteration(NULL, false));
@@ -523,6 +593,7 @@ int main(int argc, char **argv)
g_test_add_func("/throttle/config/is_valid", test_is_valid);
g_test_add_func("/throttle/config_functions", test_config_functions);
g_test_add_func("/throttle/accounting", test_accounting);
+ g_test_add_func("/throttle/groups", test_groups);
return g_test_run();
}
generated by cgit v1.1 at 2024-12-24 13:41:00 +0000