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KVM: selftests: Add an option to disable MANUAL_PROTECT_ENABLE and INITIALLY_SET

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Add an option to dirty_log_perf_test.c to disable
KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE and KVM_DIRTY_LOG_INITIALLY_SET so
the legacy dirty logging code path can be tested.

Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: David Matlack <dmatlack@google.com>
Message-Id: <20220119230739.2234394-19-dmatlack@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
David Matlack 2022-01-19 23:07:39 +00:00 committed by Paolo Bonzini
parent e0b728b1f1
commit 951cb0a3b5
1 changed files with 11 additions and 2 deletions
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13
tools/testing/selftests/kvm/dirty_log_perf_test.c
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@ -298,12 +298,18 @@ static void run_test(enum vm_guest_mode mode, void *arg)
static void help(char *name)
{
puts("");
printf("usage: %s [-h] [-i iterations] [-p offset] "
printf("usage: %s [-h] [-i iterations] [-p offset] [-g]"
"[-m mode] [-b vcpu bytes] [-v vcpus] [-o] [-s mem type]"
"[-x memslots]\n", name);
puts("");
printf(" -i: specify iteration counts (default: %"PRIu64")\n",
TEST_HOST_LOOP_N);
printf(" -g: Do not enable KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2. This\n"
" makes KVM_GET_DIRTY_LOG clear the dirty log (i.e.\n"
" KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE is not enabled)\n"
" and writes will be tracked as soon as dirty logging is\n"
" enabled on the memslot (i.e. KVM_DIRTY_LOG_INITIALLY_SET\n"
" is not enabled).\n");
printf(" -p: specify guest physical test memory offset\n"
" Warning: a low offset can conflict with the loaded test code.\n");
guest_modes_help();
@ -343,8 +349,11 @@ int main(int argc, char *argv[])
guest_modes_append_default();
while ((opt = getopt(argc, argv, "hi:p:m:b:f:v:os:x:")) != -1) {
while ((opt = getopt(argc, argv, "ghi:p:m:b:f:v:os:x:")) != -1) {
switch (opt) {
case 'g':
dirty_log_manual_caps = 0;
break;
case 'i':
p.iterations = atoi(optarg);
break;