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-rw-r--r--tools/kvm/kvm_stat/kvm_stat.service1
-rw-r--r--tools/testing/radix-tree/idr-test.c21
-rw-r--r--tools/testing/radix-tree/linux/compiler_types.h0
-rw-r--r--tools/testing/radix-tree/multiorder.c2
-rw-r--r--tools/testing/radix-tree/xarray.c2
-rw-r--r--tools/testing/selftests/kvm/hardware_disable_test.c10
-rw-r--r--tools/testing/selftests/kvm/x86_64/hyperv_clock.c13
7 files changed, 39 insertions, 10 deletions
diff --git a/tools/kvm/kvm_stat/kvm_stat.service b/tools/kvm/kvm_stat/kvm_stat.service
index 71aabaffe779..8f13b843d5b4 100644
--- a/tools/kvm/kvm_stat/kvm_stat.service
+++ b/tools/kvm/kvm_stat/kvm_stat.service
@@ -9,6 +9,7 @@ Type=simple
ExecStart=/usr/bin/kvm_stat -dtcz -s 10 -L /var/log/kvm_stat.csv
ExecReload=/bin/kill -HUP $MAINPID
Restart=always
+RestartSec=60s
SyslogIdentifier=kvm_stat
SyslogLevel=debug
diff --git a/tools/testing/radix-tree/idr-test.c b/tools/testing/radix-tree/idr-test.c
index 3b796dd5e577..ca24f6839d50 100644
--- a/tools/testing/radix-tree/idr-test.c
+++ b/tools/testing/radix-tree/idr-test.c
@@ -296,21 +296,34 @@ static void *idr_throbber(void *arg)
return NULL;
}
+/*
+ * There are always either 1 or 2 objects in the IDR. If we find nothing,
+ * or we find something at an ID we didn't expect, that's a bug.
+ */
void idr_find_test_1(int anchor_id, int throbber_id)
{
pthread_t throbber;
time_t start = time(NULL);
- pthread_create(&throbber, NULL, idr_throbber, &throbber_id);
-
BUG_ON(idr_alloc(&find_idr, xa_mk_value(anchor_id), anchor_id,
anchor_id + 1, GFP_KERNEL) != anchor_id);
+ pthread_create(&throbber, NULL, idr_throbber, &throbber_id);
+
+ rcu_read_lock();
do {
int id = 0;
void *entry = idr_get_next(&find_idr, &id);
- BUG_ON(entry != xa_mk_value(id));
+ rcu_read_unlock();
+ if ((id != anchor_id && id != throbber_id) ||
+ entry != xa_mk_value(id)) {
+ printf("%s(%d, %d): %p at %d\n", __func__, anchor_id,
+ throbber_id, entry, id);
+ abort();
+ }
+ rcu_read_lock();
} while (time(NULL) < start + 11);
+ rcu_read_unlock();
pthread_join(throbber, NULL);
@@ -577,6 +590,7 @@ void ida_tests(void)
int __weak main(void)
{
+ rcu_register_thread();
radix_tree_init();
idr_checks();
ida_tests();
@@ -584,5 +598,6 @@ int __weak main(void)
rcu_barrier();
if (nr_allocated)
printf("nr_allocated = %d\n", nr_allocated);
+ rcu_unregister_thread();
return 0;
}
diff --git a/tools/testing/radix-tree/linux/compiler_types.h b/tools/testing/radix-tree/linux/compiler_types.h
deleted file mode 100644
index e69de29bb2d1..000000000000
--- a/tools/testing/radix-tree/linux/compiler_types.h
+++ /dev/null
diff --git a/tools/testing/radix-tree/multiorder.c b/tools/testing/radix-tree/multiorder.c
index 9eae0fb5a67d..e00520cc6349 100644
--- a/tools/testing/radix-tree/multiorder.c
+++ b/tools/testing/radix-tree/multiorder.c
@@ -224,7 +224,9 @@ void multiorder_checks(void)
int __weak main(void)
{
+ rcu_register_thread();
radix_tree_init();
multiorder_checks();
+ rcu_unregister_thread();
return 0;
}
diff --git a/tools/testing/radix-tree/xarray.c b/tools/testing/radix-tree/xarray.c
index e61e43efe463..f20e12cbbfd4 100644
--- a/tools/testing/radix-tree/xarray.c
+++ b/tools/testing/radix-tree/xarray.c
@@ -25,11 +25,13 @@ void xarray_tests(void)
int __weak main(void)
{
+ rcu_register_thread();
radix_tree_init();
xarray_tests();
radix_tree_cpu_dead(1);
rcu_barrier();
if (nr_allocated)
printf("nr_allocated = %d\n", nr_allocated);
+ rcu_unregister_thread();
return 0;
}
diff --git a/tools/testing/selftests/kvm/hardware_disable_test.c b/tools/testing/selftests/kvm/hardware_disable_test.c
index 2f2eeb8a1d86..5aadf84c91c0 100644
--- a/tools/testing/selftests/kvm/hardware_disable_test.c
+++ b/tools/testing/selftests/kvm/hardware_disable_test.c
@@ -108,7 +108,7 @@ static void run_test(uint32_t run)
kvm_vm_elf_load(vm, program_invocation_name, 0, 0);
vm_create_irqchip(vm);
- fprintf(stderr, "%s: [%d] start vcpus\n", __func__, run);
+ pr_debug("%s: [%d] start vcpus\n", __func__, run);
for (i = 0; i < VCPU_NUM; ++i) {
vm_vcpu_add_default(vm, i, guest_code);
payloads[i].vm = vm;
@@ -124,7 +124,7 @@ static void run_test(uint32_t run)
check_set_affinity(throw_away, &cpu_set);
}
}
- fprintf(stderr, "%s: [%d] all threads launched\n", __func__, run);
+ pr_debug("%s: [%d] all threads launched\n", __func__, run);
sem_post(sem);
for (i = 0; i < VCPU_NUM; ++i)
check_join(threads[i], &b);
@@ -147,16 +147,16 @@ int main(int argc, char **argv)
if (pid == 0)
run_test(i); /* This function always exits */
- fprintf(stderr, "%s: [%d] waiting semaphore\n", __func__, i);
+ pr_debug("%s: [%d] waiting semaphore\n", __func__, i);
sem_wait(sem);
r = (rand() % DELAY_US_MAX) + 1;
- fprintf(stderr, "%s: [%d] waiting %dus\n", __func__, i, r);
+ pr_debug("%s: [%d] waiting %dus\n", __func__, i, r);
usleep(r);
r = waitpid(pid, &s, WNOHANG);
TEST_ASSERT(r != pid,
"%s: [%d] child exited unexpectedly status: [%d]",
__func__, i, s);
- fprintf(stderr, "%s: [%d] killing child\n", __func__, i);
+ pr_debug("%s: [%d] killing child\n", __func__, i);
kill(pid, SIGKILL);
}
diff --git a/tools/testing/selftests/kvm/x86_64/hyperv_clock.c b/tools/testing/selftests/kvm/x86_64/hyperv_clock.c
index ffbc4555c6e2..7f1d2765572c 100644
--- a/tools/testing/selftests/kvm/x86_64/hyperv_clock.c
+++ b/tools/testing/selftests/kvm/x86_64/hyperv_clock.c
@@ -80,19 +80,24 @@ static inline void check_tsc_msr_rdtsc(void)
GUEST_ASSERT(delta_ns * 100 < (t2 - t1) * 100);
}
+static inline u64 get_tscpage_ts(struct ms_hyperv_tsc_page *tsc_page)
+{
+ return mul_u64_u64_shr64(rdtsc(), tsc_page->tsc_scale) + tsc_page->tsc_offset;
+}
+
static inline void check_tsc_msr_tsc_page(struct ms_hyperv_tsc_page *tsc_page)
{
u64 r1, r2, t1, t2;
/* Compare TSC page clocksource with HV_X64_MSR_TIME_REF_COUNT */
- t1 = mul_u64_u64_shr64(rdtsc(), tsc_page->tsc_scale) + tsc_page->tsc_offset;
+ t1 = get_tscpage_ts(tsc_page);
r1 = rdmsr(HV_X64_MSR_TIME_REF_COUNT);
/* 10 ms tolerance */
GUEST_ASSERT(r1 >= t1 && r1 - t1 < 100000);
nop_loop();
- t2 = mul_u64_u64_shr64(rdtsc(), tsc_page->tsc_scale) + tsc_page->tsc_offset;
+ t2 = get_tscpage_ts(tsc_page);
r2 = rdmsr(HV_X64_MSR_TIME_REF_COUNT);
GUEST_ASSERT(r2 >= t1 && r2 - t2 < 100000);
}
@@ -130,7 +135,11 @@ static void guest_main(struct ms_hyperv_tsc_page *tsc_page, vm_paddr_t tsc_page_
tsc_offset = tsc_page->tsc_offset;
/* Call KVM_SET_CLOCK from userspace, check that TSC page was updated */
+
GUEST_SYNC(7);
+ /* Sanity check TSC page timestamp, it should be close to 0 */
+ GUEST_ASSERT(get_tscpage_ts(tsc_page) < 100000);
+
GUEST_ASSERT(tsc_page->tsc_offset != tsc_offset);
nop_loop();
generated by cgit v1.2.3 (git 2.39.1) at 2024-08-11 02:38:58 +0000