#include "arch.h"
+/* Make this big enough to include the POWER5+ L3 cacheline size of 256B */
+#define CACHE_LINE_SIZE 4096
+
#if defined(_syscall0)
_syscall0(pid_t, gettid)
#elif defined(__NR_gettid)
static volatile int test_go, test_stop;
-static int wdelay;
+static unsigned long wdelay;
static volatile struct test_array test_array = { 8 };
static unsigned long long __thread nr_writes;
static unsigned long long __thread nr_reads;
-static unsigned long long __attribute__((aligned(128))) *tot_nr_writes;
-static unsigned long long __attribute__((aligned(128))) *tot_nr_reads;
+static
+unsigned long long __attribute__((aligned(CACHE_LINE_SIZE))) *tot_nr_writes;
+static
+unsigned long long __attribute__((aligned(CACHE_LINE_SIZE))) *tot_nr_reads;
static unsigned int nr_readers;
static unsigned int nr_writers;
if (unlikely(!test_duration_write()))
break;
if (unlikely(wdelay))
- usleep(wdelay);
+ loop_sleep(wdelay);
}
printf_verbose("thread_end %s, thread id : %lx, tid %lu\n",
show_usage(argc, argv);
return -1;
}
- rduration = atoi(argv[++i]);
+ rduration = atol(argv[++i]);
break;
case 'd':
if (argc < i + 2) {
show_usage(argc, argv);
return -1;
}
- wdelay = atoi(argv[++i]);
+ wdelay = atol(argv[++i]);
break;
case 'v':
verbose_mode = 1;
printf_verbose("running test for %lu seconds, %u readers, %u writers.\n",
duration, nr_readers, nr_writers);
- printf_verbose("Writer delay : %u us.\n", wdelay);
+ printf_verbose("Writer delay : %lu loops.\n", wdelay);
printf_verbose("Reader duration : %lu loops.\n", rduration);
printf_verbose("thread %-6s, thread id : %lx, tid %lu\n",
"main", pthread_self(), (unsigned long)gettid());
printf_verbose("total number of reads : %llu, writes %llu\n", tot_reads,
tot_writes);
- printf("SUMMARY %-15s testdur %4lu nr_readers %3u rdur %6lu "
+ printf("SUMMARY %-25s testdur %4lu nr_readers %3u rdur %6lu "
"nr_writers %3u "
- "wdelay %4u nr_reads %12llu nr_writes %12llu nr_ops %12llu\n",
+ "wdelay %6lu nr_reads %12llu nr_writes %12llu nr_ops %12llu\n",
argv[0], duration, nr_readers, rduration,
nr_writers, wdelay, tot_reads, tot_writes,
tot_reads + tot_writes);