diff options
Diffstat (limited to 'test/qemu-targetstep_guest.c')
| -rw-r--r-- | test/qemu-targetstep_guest.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/test/qemu-targetstep_guest.c b/test/qemu-targetstep_guest.c new file mode 100644 index 0000000..9ef36e1 --- /dev/null +++ b/test/qemu-targetstep_guest.c @@ -0,0 +1,50 @@ +#include "cachepc/uapi.h" + +#include <sys/time.h> +#include <sys/resource.h> +#include <errno.h> +#include <err.h> +#include <unistd.h> +#include <stdint.h> +#include <string.h> +#include <stdio.h> +#include <stdlib.h> + +int +main(int argc, const char **argv) +{ + void *buf; + int ret; + + buf = NULL; + if (posix_memalign(&buf, L1_LINESIZE * L1_SETS, L1_LINESIZE * L1_SETS)) + err(1, "memalign"); + memset(buf, 0, L1_LINESIZE * L1_SETS); + + errno = 0; + ret = setpriority(PRIO_PROCESS, 0, -20); + if (errno) err(1, "setpriority"); + printf("NICE %i\n", ret); + + while (1) { + printf("LOOP\n"); + CPC_DO_VMMCALL(KVM_HC_CPC_VMMCALL_SIGNAL, + CPC_GUEST_START_TRACK, 0); + *(uint8_t *)(buf + L1_LINESIZE * 9) = 1; + *(uint8_t *)(buf + L1_LINESIZE * 10) = 1; + *(uint8_t *)(buf + L1_LINESIZE * 11) = 1; + *(uint8_t *)(buf + L1_LINESIZE * 12) = 1; + *(uint8_t *)(buf + L1_LINESIZE * 13) = 1; + *(uint8_t *)(buf + L1_LINESIZE * 14) = 1; + *(uint8_t *)(buf + L1_LINESIZE * 15) = 1; + *(uint8_t *)(buf + L1_LINESIZE * 9) = 1; + *(uint8_t *)(buf + L1_LINESIZE * 10) = 1; + *(uint8_t *)(buf + L1_LINESIZE * 11) = 1; + *(uint8_t *)(buf + L1_LINESIZE * 12) = 1; + *(uint8_t *)(buf + L1_LINESIZE * 13) = 1; + *(uint8_t *)(buf + L1_LINESIZE * 14) = 1; + *(uint8_t *)(buf + L1_LINESIZE * 15) = 1; + CPC_DO_VMMCALL(KVM_HC_CPC_VMMCALL_SIGNAL, + CPC_GUEST_STOP_TRACK, 0); + } +} |
