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KVM: selftests: Fix nsec to sec conversion in demand_paging_test

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demand_paging_test uses 1E8 as the denominator to convert nanoseconds to
seconds, which is wrong. Use NSEC_PER_SEC instead to fix the issue and
make the conversion obvious.

Reported-by: James Houghton <jthoughton@google.com>
Signed-off-by: Anish Moorthy <amoorthy@google.com>
Reviewed-by: Oliver Upton <oliver.upton@linux.dev>
Reviewed-by: Sean Christopherson <seanjc@google.com>
Link: https://lore.kernel.org/r/20230223001805.2971237-1-amoorthy@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
This commit is contained in:
Anish Moorthy
2023-02-23 00:18:05 +00:00
committed by Sean Christopherson
parent d8708b80fa
commit f6baabdcad
1 changed files with 1 additions and 1 deletions
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2
tools/testing/selftests/kvm/demand_paging_test.c
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@@ -194,7 +194,7 @@ static void run_test(enum vm_guest_mode mode, void *arg)
ts_diff.tv_sec, ts_diff.tv_nsec);
pr_info("Overall demand paging rate: %f pgs/sec\n",
memstress_args.vcpu_args[0].pages * nr_vcpus /
((double)ts_diff.tv_sec + (double)ts_diff.tv_nsec / 100000000.0));
((double)ts_diff.tv_sec + (double)ts_diff.tv_nsec / NSEC_PER_SEC));
memstress_destroy_vm(vm);