[PATCH 4/4] KVM: selftests: Update binary stats test for stats mode
From: Jing Zhang <hidden>
Date: 2021-06-14 02:54:13
Also in:
kvm, kvmarm, linux-s390
Subsystem:
kernel selftest framework, kernel virtual machine (kvm), the rest · Maintainers:
Shuah Khan, Shuah Khan, Paolo Bonzini, Linus Torvalds
Update binary stats selftest to support sanity test for stats read/write mode and offset. Signed-off-by: Jing Zhang <redacted> --- tools/testing/selftests/kvm/kvm_binary_stats_test.c | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-)
diff --git a/tools/testing/selftests/kvm/kvm_binary_stats_test.c b/tools/testing/selftests/kvm/kvm_binary_stats_test.c
index d85859a6815a..2a34b5e822e8 100644
--- a/tools/testing/selftests/kvm/kvm_binary_stats_test.c
+++ b/tools/testing/selftests/kvm/kvm_binary_stats_test.c@@ -77,6 +77,8 @@ static void stats_test(int stats_fd) <= KVM_STATS_UNIT_MAX, "Unknown KVM stats unit"); TEST_ASSERT((pdesc->flags & KVM_STATS_BASE_MASK) <= KVM_STATS_BASE_MAX, "Unknown KVM stats base"); + TEST_ASSERT((pdesc->flags & KVM_STATS_MODE_MASK) + <= KVM_STATS_MODE_MAX, "Unknown KVM stats mode"); /* Check exponent for stats unit * Exponent for counter should be greater than or equal to 0 * Exponent for unit bytes should be greater than or equal to 0
@@ -106,11 +108,18 @@ static void stats_test(int stats_fd) } /* Check overlap */ TEST_ASSERT(header->data_offset >= header->desc_offset - || header->data_offset + size_data <= header->desc_offset, - "Data block is overlapped with Descriptor block"); + || header->data_offset + size_data <= header->desc_offset, + "Data block is overlapped with Descriptor block"); /* Check validity of all stats data size */ TEST_ASSERT(size_data >= header->count * sizeof(stats_data->value[0]), "Data size is not correct"); + /* Check stats offset */ + for (i = 0; i < header->count; ++i) { + pdesc = (void *)stats_desc + i * size_desc; + TEST_ASSERT(pdesc->offset < size_data, + "Invalid offset (%u) for stats: %s", + pdesc->offset, pdesc->name); + } /* Allocate memory for stats data */ stats_data = malloc(size_data);
--
2.32.0.272.g935e593368-goog