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#include "test/kvm-eviction.h"
#include "test/kvm.h"
#include "test/util.h"
#include "cachepc/uapi.h"
#include <sys/ioctl.h>
#include <sys/mman.h>
#include <signal.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include <err.h>
#include <string.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
struct cpc_event *batch_buffer;
void
report(struct cpc_event *event)
{
if (event->type == CPC_EVENT_TRACK_PAGE) {
printf("Page event: rip:%016llx prev:%08llx next:%08llx ret:%llu\n",
vm_get_rip(), event->page.inst_gfn_prev,
event->page.inst_gfn, event->page.retinst);
} else if (event->type == CPC_EVENT_GUEST) {
printf("Guest event: type:%u arg:%u\n",
event->guest.type, event->guest.val);
} else {
printf("Unexpected event type %i\n", event->type);
}
printf("\n");
}
void
monitor(void)
{
struct cpc_event event;
struct cpc_event_batch batch;
size_t i;
int ret;
ret = ioctl(kvm_dev, KVM_CPC_POLL_EVENT, &event);
if (ret && errno == EAGAIN) return;
if (ret) err(1, "KVM_CPC_POLL_EVENT");
if (event.type == CPC_EVENT_BATCH) {
batch.cnt = 0;
batch.maxcnt = CPC_EVENT_BATCH_MAX;
batch.buf = batch_buffer;
ret = ioctl(kvm_dev, KVM_CPC_READ_BATCH, &batch);
if (ret) err(1, "KVM_CPC_READ_BATCH");
for (i = 0; i < batch.cnt; i++)
report(&batch.buf[i]);
} else {
report(&event);
}
ret = ioctl(kvm_dev, KVM_CPC_ACK_EVENT, &event.id);
if (ret) err(1, "KVM_CPC_ACK_EVENT");
}
int
main(int argc, const char **argv)
{
struct cpc_track_cfg cfg;
uint32_t arg;
int ret;
batch_buffer = malloc(sizeof(struct cpc_event) * CPC_EVENT_BATCH_MAX);
if (!batch_buffer) err(1, "malloc");
setvbuf(stdout, NULL, _IONBF, 0);
kvm_setup_init();
pin_process(0, SECONDARY_CORE, true);
ret = ioctl(kvm_dev, KVM_CPC_RESET);
if (ret) err(1, "KVM_CPC_RESET");
arg = true;
ret = ioctl(kvm_dev, KVM_CPC_BATCH_EVENTS, &arg);
if (ret) err(1, "KVM_CPC_BATCH_EVENTS");
memset(&cfg, 0, sizeof(cfg));
cfg.mode = CPC_TRACK_PAGES;
ret = ioctl(kvm_dev, KVM_CPC_TRACK_MODE, &cfg);
if (ret) err(1, "KVM_CPC_TRACK_MODE");
while (1) monitor();
kvm_setup_deinit();
}
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