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[v5,0/3] KVM: selftests: randomize memory access of dirty_log_perf_test

Message ID 20220909124300.3409187-1-coltonlewis@google.com (mailing list archive)
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Series KVM: selftests: randomize memory access of dirty_log_perf_test | expand

Message

Colton Lewis Sept. 9, 2022, 12:42 p.m. UTC 
Add the ability to randomize parts of dirty_log_perf_test,
specifically the order pages are accessed and whether pages are read
or written.

v5:

Return a few lines in guest_code that got lost when rebasing for v4.

Provide the populate settings _before_ the vcpu threads start to
ensure they take effect for the whole populate phase.

Colton Lewis (3):
  KVM: selftests: implement random number generation for guest code
  KVM: selftests: randomize which pages are written vs read
  KVM: selftests: randomize page access order

 .../selftests/kvm/access_tracking_perf_test.c |  2 +-
 .../selftests/kvm/dirty_log_perf_test.c       | 49 +++++++++++++------
 .../selftests/kvm/include/perf_test_util.h    |  8 ++-
 .../testing/selftests/kvm/include/test_util.h |  2 +
 .../selftests/kvm/lib/perf_test_util.c        | 36 +++++++++++---
 tools/testing/selftests/kvm/lib/test_util.c   |  9 ++++
 6 files changed, 81 insertions(+), 25 deletions(-)

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2.37.2.789.g6183377224-goog