ptarjan
53 linhas
1.5 KiB
Plaintext
53 linhas
1.5 KiB
Plaintext
<?php
|
|
|
|
function foo() {
|
|
$i = 0;
|
|
while($i < 100000) {
|
|
$i++;
|
|
}
|
|
}
|
|
|
|
$events = array("cpu-cycles",
|
|
"cache-references",
|
|
"cache-misses",
|
|
"branches",
|
|
"branch-misses",
|
|
"bus-cycles",
|
|
"L1-dcache-loads",
|
|
"L1-dcache-load-misses",
|
|
"L1-dcache-stores",
|
|
"L1-dcache-store-misses",
|
|
"L1-dcache-prefetches",
|
|
"L1-dcache-prefetch-misses",
|
|
"L1-icache-loads",
|
|
"L1-icache-load-misses",
|
|
"L1-icache-prefetches",
|
|
"L1-icache-prefetch-misses",
|
|
"LLC-loads",
|
|
"LLC-load-misses",
|
|
"LLC-stores",
|
|
"LLC-store-misses",
|
|
"LLC-prefetches",
|
|
"LLC-prefetch-misses",
|
|
"dTLB-loads",
|
|
"dTLB-load-misses",
|
|
"dTLB-stores",
|
|
"dTLB-store-misses",
|
|
"dTLB-prefetches",
|
|
"dTLB-prefetch-misses",
|
|
"iTLB-loads",
|
|
"iTLB-load-misses",
|
|
"branch-loads",
|
|
"branch-load-misses",
|
|
);
|
|
|
|
var_dump(function_exists("hphp_set_hardware_events"));
|
|
var_dump(function_exists("hphp_clear_hardware_events"));
|
|
|
|
foreach($events as $e) {
|
|
hphp_set_hardware_events("$e");
|
|
foo();
|
|
var_dump(hphp_get_hardware_counters());
|
|
hphp_clear_hardware_events();
|
|
}
|