diff options
Diffstat (limited to 'kmod/cachepc.h')
| -rwxr-xr-x | kmod/cachepc.h | 19 |
1 files changed, 7 insertions, 12 deletions
diff --git a/kmod/cachepc.h b/kmod/cachepc.h index 5deb712..8a9521c 100755 --- a/kmod/cachepc.h +++ b/kmod/cachepc.h @@ -49,13 +49,12 @@ cachepc_prime(cacheline *head) { cacheline *curr_cl; - cachepc_cpuid(); + //cachepc_cpuid(); curr_cl = head; do { curr_cl = curr_cl->next; - cachepc_mfence(); } while(curr_cl != head); - cachepc_cpuid(); + //cachepc_cpuid(); return curr_cl->prev; } @@ -79,13 +78,12 @@ cachepc_prime_rev(cacheline *head) { cacheline *curr_cl; - cachepc_cpuid(); + //cachepc_cpuid(); curr_cl = head; do { curr_cl = curr_cl->prev; - cachepc_mfence(); } while(curr_cl != head); - cachepc_cpuid(); + //cachepc_cpuid(); return curr_cl->prev; } @@ -96,16 +94,14 @@ cachepc_probe(cacheline *start_cl) uint64_t pre, post; cacheline *next_cl; cacheline *curr_cl; - volatile register uint64_t i asm("r12"); curr_cl = start_cl; do { pre = cachepc_read_pmc(0); - pre += cachepc_read_pmc(1); cachepc_mfence(); - cachepc_cpuid(); + //cachepc_cpuid(); asm volatile( "mov 8(%[curr_cl]), %%rax \n\t" // +8 @@ -123,13 +119,12 @@ cachepc_probe(cacheline *start_cl) ); cachepc_mfence(); - cachepc_cpuid(); + //cachepc_cpuid(); post = cachepc_read_pmc(0); - post += cachepc_read_pmc(1); cachepc_mfence(); - cachepc_cpuid(); + //cachepc_cpuid(); /* works across size boundary */ curr_cl->count = post - pre; |