qemu-targetstep_guest.c (1339B)
1#include "cachepc/uapi.h" 2 3#include <sys/time.h> 4#include <sys/resource.h> 5#include <errno.h> 6#include <err.h> 7#include <unistd.h> 8#include <stdint.h> 9#include <string.h> 10#include <stdio.h> 11#include <stdlib.h> 12 13int 14main(int argc, const char **argv) 15{ 16 void *buf; 17 int ret; 18 19 buf = NULL; 20 if (posix_memalign(&buf, L1_LINESIZE * L1_SETS, L1_LINESIZE * L1_SETS)) 21 err(1, "memalign"); 22 memset(buf, 0, L1_LINESIZE * L1_SETS); 23 24 errno = 0; 25 ret = setpriority(PRIO_PROCESS, 0, -20); 26 if (errno) err(1, "setpriority"); 27 printf("NICE %i\n", ret); 28 29 while (1) { 30 printf("LOOP\n"); 31 CPC_DO_VMMCALL(KVM_HC_CPC_VMMCALL_SIGNAL, 32 CPC_GUEST_START_TRACK, 0); 33 *(uint8_t *)(buf + L1_LINESIZE * 9) = 1; 34 *(uint8_t *)(buf + L1_LINESIZE * 10) = 1; 35 *(uint8_t *)(buf + L1_LINESIZE * 11) = 1; 36 *(uint8_t *)(buf + L1_LINESIZE * 12) = 1; 37 *(uint8_t *)(buf + L1_LINESIZE * 13) = 1; 38 *(uint8_t *)(buf + L1_LINESIZE * 14) = 1; 39 *(uint8_t *)(buf + L1_LINESIZE * 15) = 1; 40 *(uint8_t *)(buf + L1_LINESIZE * 9) = 1; 41 *(uint8_t *)(buf + L1_LINESIZE * 10) = 1; 42 *(uint8_t *)(buf + L1_LINESIZE * 11) = 1; 43 *(uint8_t *)(buf + L1_LINESIZE * 12) = 1; 44 *(uint8_t *)(buf + L1_LINESIZE * 13) = 1; 45 *(uint8_t *)(buf + L1_LINESIZE * 14) = 1; 46 *(uint8_t *)(buf + L1_LINESIZE * 15) = 1; 47 CPC_DO_VMMCALL(KVM_HC_CPC_VMMCALL_SIGNAL, 48 CPC_GUEST_STOP_TRACK, 0); 49 } 50}