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--- interbench.c.orig 2009-10-31 04:14:59 UTC
+++ interbench.c
@@ -43,8 +43,12 @@
#include <sys/time.h>
#include <sys/resource.h>
#include <sys/types.h>
+#include <sys/stat.h>
#include <sys/mman.h>
#include <sys/wait.h>
+#ifdef __FreeBSD__
+#include <sys/sysctl.h>
+#endif
#include "interbench.h"
#define MAX_UNAME_LENGTH 100
@@ -210,7 +214,7 @@ int test_fifo(void)
{
struct sched_param sp;
memset(&sp, 0, sizeof(sp));
- sp.sched_priority = 99;
+ sp.sched_priority = sched_get_priority_max(SCHED_FIFO);
if (sched_setscheduler(0, SCHED_FIFO, &sp) == -1) {
if (errno != EPERM)
terminal_error("sched_setscheduler");
@@ -888,7 +892,7 @@ void *timekeeping_thread(void *t)
* accurate accounting remains SCHED_NORMAL;
*/
if (th->dt != &th->benchmarks[NOT_BENCHING])
- set_fifo(96);
+ set_fifo(sched_get_priority_max(SCHED_FIFO) - 1);
/* These values must be changed at the appropriate places or race */
tk->sleep_interval = tk->slept_interval = 0;
post_sem(&s->ready);
@@ -1130,6 +1134,7 @@ write:
void get_ram(void)
{
+#if defined(__linux__)
FILE *meminfo;
char aux[256];
@@ -1143,6 +1148,21 @@ void get_ram(void)
fgets(aux,sizeof(aux),meminfo);
if (fclose(meminfo) == -1)
terminal_error("fclose");
+#elif defined(__FreeBSD__)
+ long pagesize, numpages;
+ quad_t swap;
+ size_t len = sizeof(swap);
+
+ pagesize = sysconf(_SC_PAGESIZE);
+ numpages = sysconf(_SC_PHYS_PAGES);
+ if (sysctlbyname("vm.swap_total", &swap, &len, NULL, 0) == -1)
+ swap = 0;
+
+ ud.ram = pagesize / 1024 * numpages;
+ ud.swap = swap / 1024;
+#else
+#error unsupported operating system
+#endif
if( !ud.ram || !ud.swap ) {
unsigned long i;
@@ -1293,7 +1313,8 @@ void run_benchchild(int i, int j)
thi->dt = &thi->benchmarks[j];
initialise_thread_data(thi->dt);
if (ud.do_rt)
- set_thread_fifo(thi->pthread, 95);
+ set_thread_fifo(thi->pthread,
+ sched_get_priority_max(SCHED_FIFO) - 1);
/* Tell main we're ready */
wakeup_with(b2m[1]);
@@ -1344,7 +1365,7 @@ void bench(int i, int j)
* We want to be higher priority than everything to signal them to
* stop and we lock our memory if we can as well
*/
- set_fifo(99);
+ set_fifo(sched_get_priority_max(SCHED_FIFO));
set_mlock();
/* Wakeup the load process */
@@ -1652,7 +1673,7 @@ bench:
* To get as accurate a loop as possible we time it running
* SCHED_FIFO if we can
*/
- set_fifo(99);
+ set_fifo(sched_get_priority_max(SCHED_FIFO));
calibrate_loop();
set_normal();
} else
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