Commit f55c9ca56c59ba97df6863bfc4910d47ae1664f9
1 parent
b7090bc7b5
Exists in
master
pagefault
Showing 2 changed files with 2 additions and 2 deletions Side-by-side Diff
memory/pagefault.c
View file @
f55c9ca
| ... | ... | @@ -60,7 +60,7 @@ |
| 60 | 60 | asm volatile("mrc p15, 0, %0, c9, c14, 0" : "=r" (i)); |
| 61 | 61 | printf("User enable regr: %x\n", i); |
| 62 | 62 | |
| 63 | - for(i = 0; i < 1000; i=i++){ | |
| 63 | + for(i = 0; i < 100; i=i++){ | |
| 64 | 64 | asm volatile("mrc p15, 0, %0, c9, c13, 0" : "=r" (s_t)); |
| 65 | 65 | c += (addr1[i*4*KB] + 1); // read at multiple of page size, so every read causes a page fault |
| 66 | 66 | //c = c+1; |
| ... | ... | @@ -69,7 +69,7 @@ |
| 69 | 69 | // printf("Time required to service a page faut is %u %u %u \n",e_t, s_t, (e_t-s_t)); |
| 70 | 70 | fflush(NULL); |
| 71 | 71 | } |
| 72 | - printf("\nAverage time required to service a page fault is %f \n", (t/1000)/CPU_FREQ); | |
| 72 | + printf("\nAverage time required to service a page fault is %u \n", t); | |
| 73 | 73 | |
| 74 | 74 | munmap(addr1, SIZE_OF_MEMORY); |
| 75 | 75 | munmap(addr2, SIZE_OF_MEMORY); |
memory/pagefault.o
View file @
f55c9ca