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-rw-r--r--test/access-detect_host.c183
1 files changed, 92 insertions, 91 deletions
diff --git a/test/access-detect_host.c b/test/access-detect_host.c
index f8e9b10..87a5edd 100644
--- a/test/access-detect_host.c
+++ b/test/access-detect_host.c
@@ -140,60 +140,58 @@ monitor(bool baseline)
/* Get page fault info */
ret = ioctl(kvm_dev, KVM_CPC_POLL_EVENT, &event);
- if (!ret) {
- if (event.type == CPC_EVENT_CPUID) {
- printf("CPUID EVENT\n");
- if (event.guest.type == CPC_CPUID_START_TRACK) {
- ret = ioctl(kvm_dev, KVM_CPC_TRACK_EXEC_CUR, &inst_fault_gfn);
- if (ret) err(1, "ioctl TRACK_EXEC_CUR");
-
- printf("CPUID INST PAGE: %lu\n", inst_fault_gfn);
-
- arg = inst_fault_gfn;
- ret = ioctl(kvm_dev, KVM_CPC_TRACK_RANGE_START, &arg);
- if (ret) err(1, "ioctl TRACK_RANGE_START");
-
- arg = inst_fault_gfn+8;
- ret = ioctl(kvm_dev, KVM_CPC_TRACK_RANGE_END, &arg);
- if (ret) err(1, "ioctl TRACK_RANGE_END");
- } else if (event.guest.type == CPC_CPUID_STOP_TRACK) {
- arg = 0;
- ret = ioctl(kvm_dev, KVM_CPC_TRACK_RANGE_START, &arg);
- if (ret) err(1, "ioctl TRACK_RANGE_START");
-
- arg = 0;
- ret = ioctl(kvm_dev, KVM_CPC_TRACK_RANGE_END, &arg);
- if (ret) err(1, "ioctl TRACK_RANGE_END");
- }
-
- ret = ioctl(kvm_dev, KVM_CPC_ACK_EVENT, &event.id);
- if (ret) err(1, "ioctl ACK_EVENT");
-
- faultcnt++;
-
- return 0;
- } else if (event.type != CPC_EVENT_TRACK) {
+ if (ret) {
+ if (errno == EAGAIN)
return 0;
+ perror("ioctl POLL_EVENT");
+ return 1;
+ }
+
+ if (event.type == CPC_EVENT_CPUID) {
+ printf("CPUID EVENT\n");
+ if (event.guest.type == CPC_GUEST_START_TRACK) {
+ ret = ioctl(kvm_dev, KVM_CPC_TRACK_EXEC_CUR, &inst_fault_gfn);
+ if (ret) err(1, "ioctl TRACK_EXEC_CUR");
+
+ printf("CPUID INST PAGE: %lu\n", inst_fault_gfn);
+
+ arg = inst_fault_gfn;
+ ret = ioctl(kvm_dev, KVM_CPC_TRACK_RANGE_START, &arg);
+ if (ret) err(1, "ioctl TRACK_RANGE_START");
+
+ arg = inst_fault_gfn+8;
+ ret = ioctl(kvm_dev, KVM_CPC_TRACK_RANGE_END, &arg);
+ if (ret) err(1, "ioctl TRACK_RANGE_END");
+ } else if (event.guest.type == CPC_GUEST_STOP_TRACK) {
+ arg = 0;
+ ret = ioctl(kvm_dev, KVM_CPC_TRACK_RANGE_START, &arg);
+ if (ret) err(1, "ioctl TRACK_RANGE_START");
+
+ arg = 0;
+ ret = ioctl(kvm_dev, KVM_CPC_TRACK_RANGE_END, &arg);
+ if (ret) err(1, "ioctl TRACK_RANGE_END");
}
- printf("EVENT\n");
+ faultcnt++;
+ } else if (event.type == CPC_EVENT_TRACK_STEP) {
+ printf("STEP EVENT\n");
ret = ioctl(kvm_dev, KVM_CPC_READ_COUNTS, counts);
if (ret) err(1, "ioctl READ_COUNTS");
inst_fault_gfn = 0;
read_fault_gfn = 0;
- for (i = 0; i < event.track.fault_count; i++) {
- if ((event.track.fault_errs[i] & 0b11111) == 0b10100)
- inst_fault_gfn = event.track.fault_gfns[i];
- else if ((event.track.fault_errs[i] & 0b00110) == 0b00100)
- read_fault_gfn = event.track.fault_gfns[i];
+ for (i = 0; i < event.step.fault_count; i++) {
+ if ((event.step.fault_errs[i] & 0b11111) == 0b10100)
+ inst_fault_gfn = event.step.fault_gfns[i];
+ else if ((event.step.fault_errs[i] & 0b00110) == 0b00100)
+ read_fault_gfn = event.step.fault_gfns[i];
}
if (!baseline) {
printf("Event: cnt:%llu inst:%lu data:%lu retired:%llu\n",
- event.track.fault_count, inst_fault_gfn,
- read_fault_gfn, event.track.retinst);
+ event.step.fault_count, inst_fault_gfn,
+ read_fault_gfn, event.step.retinst);
print_counts(counts);
printf("\n");
}
@@ -206,15 +204,18 @@ monitor(bool baseline)
}
}
- ret = ioctl(kvm_dev, KVM_CPC_ACK_EVENT, &event.id);
- if (ret) err(1, "ioctl ACK_EVENT");
-
if (baseline) faultcnt++;
- } else if (errno != EAGAIN) {
- perror("ioctl POLL_EVENT");
- return 1;
+ } else if (event.type == CPC_EVENT_TRACK_PAGE) {
+ printf("PAGE EVENT\n");
+
+ printf("Event: prev:%llu new:%llu retired:%llu\n",
+ event.page.inst_gfn_prev, event.page.inst_gfn,
+ event.page.retinst);
}
+ ret = ioctl(kvm_dev, KVM_CPC_ACK_EVENT, &event.id);
+ if (ret) err(1, "ioctl ACK_EVENT");
+
return 0;
}
@@ -283,36 +284,36 @@ main(int argc, const char **argv)
pin_process(0, SECONDARY_CORE, true);
printf("PINNED\n");
- arg = false;
- ret = ioctl(kvm_dev, KVM_CPC_SUB_BASELINE, &arg);
- if (ret) err(1, "ioctl SUB_BASELINE");
+ // arg = false;
+ // ret = ioctl(kvm_dev, KVM_CPC_SUB_BASELINE, &arg);
+ // if (ret) err(1, "ioctl SUB_BASELINE");
- arg = true;
- ret = ioctl(kvm_dev, KVM_CPC_MEASURE_BASELINE, &arg);
- if (ret) err(1, "ioctl MEASURE_BASELINE");
+ // arg = true;
+ // ret = ioctl(kvm_dev, KVM_CPC_MEASURE_BASELINE, &arg);
+ // if (ret) err(1, "ioctl MEASURE_BASELINE");
- arg = KVM_PAGE_TRACK_ACCESS;
- ret = ioctl(kvm_dev, KVM_CPC_TRACK_ALL, &arg);
- if (ret) err(1, "ioctl TRACK_ALL");
+ // arg = KVM_PAGE_TRACK_ACCESS;
+ // ret = ioctl(kvm_dev, KVM_CPC_TRACK_ALL, &arg);
+ // if (ret) err(1, "ioctl TRACK_ALL");
- arg = CPC_TRACK_DATA_ACCESS;
- ret = ioctl(kvm_dev, KVM_CPC_TRACK_MODE, &arg);
- if (ret) err(1, "ioctl TRACK_MODE");
+ // arg = CPC_TRACK_DATA_ACCESS;
+ // ret = ioctl(kvm_dev, KVM_CPC_TRACK_MODE, &arg);
+ // if (ret) err(1, "ioctl TRACK_MODE");
- faultcnt = 0;
- while (faultcnt < 100) {
- if (monitor(true)) break;
- }
+ // faultcnt = 0;
+ // while (faultcnt < 100) {
+ // if (monitor(true)) break;
+ // }
- do {
- ret = ioctl(kvm_dev, KVM_CPC_POLL_EVENT, &event);
- if (ret && errno != EAGAIN)
- err(1, "ioctl POLL_EVENT");
- } while (ret && errno == EAGAIN);
+ // do {
+ // ret = ioctl(kvm_dev, KVM_CPC_POLL_EVENT, &event);
+ // if (ret && errno != EAGAIN)
+ // err(1, "ioctl POLL_EVENT");
+ // } while (ret && errno == EAGAIN);
- arg = KVM_PAGE_TRACK_ACCESS;
- ret = ioctl(kvm_dev, KVM_CPC_UNTRACK_ALL, &arg);
- if (ret) err(1, "ioctl UNTRACK_ALL");
+ // arg = KVM_PAGE_TRACK_ACCESS;
+ // ret = ioctl(kvm_dev, KVM_CPC_UNTRACK_ALL, &arg);
+ // if (ret) err(1, "ioctl UNTRACK_ALL");
arg = CPC_TRACK_EXEC;
ret = ioctl(kvm_dev, KVM_CPC_TRACK_MODE, &arg);
@@ -322,31 +323,31 @@ main(int argc, const char **argv)
ret = ioctl(kvm_dev, KVM_CPC_TRACK_ALL, &arg);
if (ret) err(1, "ioctl TRACK_ALL");
- arg = false;
- ret = ioctl(kvm_dev, KVM_CPC_MEASURE_BASELINE, &arg);
- if (ret) err(1, "ioctl MEASURE_BASELINE");
+ // arg = false;
+ // ret = ioctl(kvm_dev, KVM_CPC_MEASURE_BASELINE, &arg);
+ // if (ret) err(1, "ioctl MEASURE_BASELINE");
- ret = ioctl(kvm_dev, KVM_CPC_READ_BASELINE, baseline);
- if (ret) err(1, "ioctl READ_BASELINE");
+ // ret = ioctl(kvm_dev, KVM_CPC_READ_BASELINE, baseline);
+ // if (ret) err(1, "ioctl READ_BASELINE");
- printf("\n>>> BASELINE:\n");
- print_counts(baseline);
- printf("\n");
- print_counts_raw(baseline);
- printf("\n");
+ // printf("\n>>> BASELINE:\n");
+ // print_counts(baseline);
+ // printf("\n");
+ // print_counts_raw(baseline);
+ // printf("\n");
- /* Check baseline for saturated sets */
- for (i = 0; i < 64; i++) {
- if (baseline[i] >= 8)
- errx(1, "!!! Baseline set %i full\n", i);
- }
+ // /* Check baseline for saturated sets */
+ // for (i = 0; i < 64; i++) {
+ // if (baseline[i] >= 8)
+ // errx(1, "!!! Baseline set %i full\n", i);
+ // }
- arg = true;
- ret = ioctl(kvm_dev, KVM_CPC_SUB_BASELINE, &arg);
- if (ret) err(1, "ioctl SUB_BASELINE");
+ // arg = true;
+ // ret = ioctl(kvm_dev, KVM_CPC_SUB_BASELINE, &arg);
+ // if (ret) err(1, "ioctl SUB_BASELINE");
- ret = ioctl(kvm_dev, KVM_CPC_ACK_EVENT, &event.id);
- if (ret) err(1, "ioctl ACK_EVENT");
+ // ret = ioctl(kvm_dev, KVM_CPC_ACK_EVENT, &event.id);
+ // if (ret) err(1, "ioctl ACK_EVENT");
faultcnt = 0;
while (faultcnt < 10) {
generated by cgit v1.2.3-71-gd317 (git 2.46.0) at 2025-12-05 14:06:47 +0000