diff options
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/kvm/kvm_stat/kvm_stat.service | 1 | ||||
| -rw-r--r-- | tools/testing/selftests/kvm/hardware_disable_test.c | 10 | ||||
| -rw-r--r-- | tools/testing/selftests/kvm/x86_64/hyperv_clock.c | 13 |
3 files changed, 17 insertions, 7 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/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(); |