diff options
| author | Maxim Levitsky <mlevitsk@redhat.com> | 2025-05-08 18:46:43 +0000 |
|---|---|---|
| committer | Sean Christopherson <seanjc@google.com> | 2025-05-16 11:45:12 -0700 |
| commit | 26dcdfa01c33b4b52fd8bd3798dc221a9de7529c (patch) | |
| tree | e52bb78065175b78ae4aa51f7c18d18b57cc3be6 /tools/testing/selftests/kvm/lib/test_util.c | |
| parent | d761c14d902e41c1e4c9b57f0e57593b7dfc56a9 (diff) | |
KVM: selftests: access_tracking_perf_test: Add option to skip the sanity check
Add an option to skip sanity check of number of still idle pages,
and set it by default to skip, in case hypervisor or NUMA balancing
is detected.
Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
Co-developed-by: James Houghton <jthoughton@google.com>
Signed-off-by: James Houghton <jthoughton@google.com>
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Link: https://lore.kernel.org/r/20250508184649.2576210-3-jthoughton@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
Diffstat (limited to 'tools/testing/selftests/kvm/lib/test_util.c')
| -rw-r--r-- | tools/testing/selftests/kvm/lib/test_util.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/tools/testing/selftests/kvm/lib/test_util.c b/tools/testing/selftests/kvm/lib/test_util.c index 3dc8538f5d69..03eb99af9b8d 100644 --- a/tools/testing/selftests/kvm/lib/test_util.c +++ b/tools/testing/selftests/kvm/lib/test_util.c @@ -176,6 +176,13 @@ size_t get_trans_hugepagesz(void) return get_sysfs_val("/sys/kernel/mm/transparent_hugepage/hpage_pmd_size"); } +bool is_numa_balancing_enabled(void) +{ + if (!test_sysfs_path("/proc/sys/kernel/numa_balancing")) + return false; + return get_sysfs_val("/proc/sys/kernel/numa_balancing") == 1; +} + size_t get_def_hugetlb_pagesz(void) { char buf[64]; |