--- a/jdk/src/solaris/native/com/sun/management/MacosxOperatingSystem.c Tue Apr 17 07:14:14 2012 -0700
+++ b/jdk/src/solaris/native/com/sun/management/MacosxOperatingSystem.c Tue Apr 17 07:25:05 2012 -0700
@@ -25,16 +25,136 @@
#include "com_sun_management_UnixOperatingSystem.h"
+#include <sys/time.h>
+#include <mach/mach.h>
+#include <mach/task_info.h>
+
+
JNIEXPORT jdouble JNICALL
Java_com_sun_management_UnixOperatingSystem_getSystemCpuLoad
(JNIEnv *env, jobject dummy)
{
- return -1.0; // not available
+ // This code is influenced by the darwin top source
+
+ kern_return_t kr;
+ mach_msg_type_number_t count;
+ host_cpu_load_info_data_t load;
+
+ static jlong last_used = 0;
+ static jlong last_total = 0;
+
+ count = HOST_CPU_LOAD_INFO_COUNT;
+ kr = host_statistics(mach_host_self(), HOST_CPU_LOAD_INFO, (host_info_t)&load, &count);
+ if (kr != KERN_SUCCESS) {
+ return -1;
+ }
+
+ jlong used = load.cpu_ticks[CPU_STATE_USER] + load.cpu_ticks[CPU_STATE_NICE] + load.cpu_ticks[CPU_STATE_SYSTEM];
+ jlong total = used + load.cpu_ticks[CPU_STATE_IDLE];
+
+ if (last_used == 0 || last_total == 0) {
+ // First call, just set the last values
+ last_used = used;
+ last_total = total;
+ // return 0 since we have no data, not -1 which indicates error
+ return 0;
+ }
+
+ jlong used_delta = used - last_used;
+ jlong total_delta = total - last_total;
+
+ jdouble cpu = (jdouble) used_delta / total_delta;
+
+ last_used = used;
+ last_total = total;
+
+ return cpu;
}
+
+#define TIME_VALUE_TO_TIMEVAL(a, r) do { \
+ (r)->tv_sec = (a)->seconds; \
+ (r)->tv_usec = (a)->microseconds; \
+} while (0)
+
+
+#define TIME_VALUE_TO_MICROSECONDS(TV) \
+ ((TV).tv_sec * 1000 * 1000 + (TV).tv_usec)
+
+
JNIEXPORT jdouble JNICALL
Java_com_sun_management_UnixOperatingSystem_getProcessCpuLoad
(JNIEnv *env, jobject dummy)
{
- return -1.0; // not available
-}
+ // This code is influenced by the darwin top source
+
+ struct task_basic_info_64 task_info_data;
+ struct task_thread_times_info thread_info_data;
+ struct timeval user_timeval, system_timeval, task_timeval;
+ struct timeval now;
+ mach_port_t task = mach_task_self();
+ kern_return_t kr;
+
+ static jlong last_task_time = 0;
+ static jlong last_time = 0;
+
+ mach_msg_type_number_t thread_info_count = TASK_THREAD_TIMES_INFO_COUNT;
+ kr = task_info(task,
+ TASK_THREAD_TIMES_INFO,
+ (task_info_t)&thread_info_data,
+ &thread_info_count);
+ if (kr != KERN_SUCCESS) {
+ // Most likely cause: |task| is a zombie.
+ return -1;
+ }
+
+ mach_msg_type_number_t count = TASK_BASIC_INFO_64_COUNT;
+ kr = task_info(task,
+ TASK_BASIC_INFO_64,
+ (task_info_t)&task_info_data,
+ &count);
+ if (kr != KERN_SUCCESS) {
+ // Most likely cause: |task| is a zombie.
+ return -1;
+ }
+
+ /* Set total_time. */
+ // thread info contains live time...
+ TIME_VALUE_TO_TIMEVAL(&thread_info_data.user_time, &user_timeval);
+ TIME_VALUE_TO_TIMEVAL(&thread_info_data.system_time, &system_timeval);
+ timeradd(&user_timeval, &system_timeval, &task_timeval);
+
+ // ... task info contains terminated time.
+ TIME_VALUE_TO_TIMEVAL(&task_info_data.user_time, &user_timeval);
+ TIME_VALUE_TO_TIMEVAL(&task_info_data.system_time, &system_timeval);
+ timeradd(&user_timeval, &task_timeval, &task_timeval);
+ timeradd(&system_timeval, &task_timeval, &task_timeval);
+
+ if (gettimeofday(&now, NULL) < 0) {
+ return -1;
+ }
+ jint ncpus = JVM_ActiveProcessorCount();
+ jlong time = TIME_VALUE_TO_MICROSECONDS(now) * ncpus;
+ jlong task_time = TIME_VALUE_TO_MICROSECONDS(task_timeval);
+
+ if ((last_task_time == 0) || (last_time == 0)) {
+ // First call, just set the last values.
+ last_task_time = task_time;
+ last_time = time;
+ // return 0 since we have no data, not -1 which indicates error
+ return 0;
+ }
+
+ jlong task_time_delta = task_time - last_task_time;
+ jlong time_delta = time - last_time;
+ if (time_delta == 0) {
+ return -1;
+ }
+
+ jdouble cpu = (jdouble) task_time_delta / time_delta;
+
+ last_task_time = task_time;
+ last_time = time;
+
+ return cpu;
+ }
--- a/jdk/src/solaris/native/com/sun/management/UnixOperatingSystem_md.c Tue Apr 17 07:14:14 2012 -0700
+++ b/jdk/src/solaris/native/com/sun/management/UnixOperatingSystem_md.c Tue Apr 17 07:25:05 2012 -0700
@@ -34,6 +34,13 @@
#include <sys/stat.h>
#if defined(_ALLBSD_SOURCE)
#include <sys/sysctl.h>
+#ifdef __APPLE__
+#include <sys/param.h>
+#include <sys/mount.h>
+#include <mach/mach.h>
+#include <sys/proc_info.h>
+#include <libproc.h>
+#endif
#else
#include <sys/swap.h>
#endif
@@ -150,6 +157,13 @@
avail = (jlong)si.freeswap * si.mem_unit;
return available ? avail : total;
+#elif defined(__APPLE__)
+ struct xsw_usage vmusage;
+ size_t size = sizeof(vmusage);
+ if (sysctlbyname("vm.swapusage", &vmusage, &size, NULL, 0) != 0) {
+ throw_internal_error(env, "sysctlbyname failed");
+ }
+ return available ? (jlong)vmusage.xsu_avail : (jlong)vmusage.xsu_total;
#else /* _ALLBSD_SOURCE */
/*
* XXXBSD: there's no way available to get swap info in
@@ -216,6 +230,15 @@
fclose(fp);
return (jlong)vsize;
+#elif defined(__APPLE__)
+ struct task_basic_info t_info;
+ mach_msg_type_number_t t_info_count = TASK_BASIC_INFO_COUNT;
+
+ kern_return_t res = task_info(mach_task_self(), TASK_BASIC_INFO, (task_info_t)&t_info, &t_info_count);
+ if (res != KERN_SUCCESS) {
+ throw_internal_error(env, "task_info failed");
+ }
+ return t_info.virtual_size;
#else /* _ALLBSD_SOURCE */
/*
* XXXBSD: there's no way available to do it in FreeBSD, AFAIK.
@@ -243,6 +266,17 @@
Java_com_sun_management_UnixOperatingSystem_getProcessCpuTime
(JNIEnv *env, jobject mbean)
{
+#ifdef __APPLE__
+ struct rusage usage;
+ if (getrusage(RUSAGE_SELF, &usage) != 0) {
+ throw_internal_error(env, "getrusage failed");
+ return -1;
+ }
+ jlong microsecs =
+ usage.ru_utime.tv_sec * 1000 * 1000 + usage.ru_utime.tv_usec +
+ usage.ru_stime.tv_sec * 1000 * 1000 + usage.ru_stime.tv_usec;
+ return microsecs * 1000;
+#else
jlong clk_tck, ns_per_clock_tick;
jlong cpu_time_ns;
struct tms time;
@@ -267,19 +301,32 @@
cpu_time_ns = ((jlong)time.tms_utime + (jlong) time.tms_stime) *
ns_per_clock_tick;
return cpu_time_ns;
+#endif
}
JNIEXPORT jlong JNICALL
Java_com_sun_management_UnixOperatingSystem_getFreePhysicalMemorySize
(JNIEnv *env, jobject mbean)
{
-#ifdef _ALLBSD_SOURCE
+#ifdef __APPLE__
+ mach_msg_type_number_t count;
+ vm_statistics_data_t vm_stats;
+ kern_return_t res;
+
+ count = HOST_VM_INFO_COUNT;
+ res = host_statistics(mach_host_self(), HOST_VM_INFO, (host_info_t)&vm_stats, &count);
+ if (res != KERN_SUCCESS) {
+ throw_internal_error(env, "host_statistics failed");
+ return -1;
+ }
+ return (jlong)vm_stats.free_count * page_size;
+#elif defined(_ALLBSD_SOURCE)
/*
* XXBSDL no way to do it in FreeBSD
*/
// throw_internal_error(env, "unimplemented in FreeBSD")
return (128 * MB);
-#else
+#else // solaris / linux
jlong num_avail_physical_pages = sysconf(_SC_AVPHYS_PAGES);
return (num_avail_physical_pages * page_size);
#endif
@@ -290,28 +337,75 @@
(JNIEnv *env, jobject mbean)
{
#ifdef _ALLBSD_SOURCE
- jlong result;
+ jlong result = 0;
int mib[2];
size_t rlen;
mib[0] = CTL_HW;
- mib[1] = HW_PHYSMEM;
+ mib[1] = HW_MEMSIZE;
rlen = sizeof(result);
- if (sysctl(mib, 2, &result, &rlen, NULL, 0) == -1)
- result = 256 * MB;
-
- return (result);
-#else
+ if (sysctl(mib, 2, &result, &rlen, NULL, 0) != 0) {
+ throw_internal_error(env, "sysctl failed");
+ return -1;
+ }
+ return result;
+#else // solaris / linux
jlong num_physical_pages = sysconf(_SC_PHYS_PAGES);
return (num_physical_pages * page_size);
#endif
}
+
+
JNIEXPORT jlong JNICALL
Java_com_sun_management_UnixOperatingSystem_getOpenFileDescriptorCount
(JNIEnv *env, jobject mbean)
{
-#ifdef _ALLBSD_SOURCE
+#ifdef __APPLE__
+ // This code is influenced by the darwin lsof source
+ pid_t my_pid;
+ struct proc_bsdinfo bsdinfo;
+ struct proc_fdinfo *fds;
+ int nfiles;
+ kern_return_t kres;
+ int res;
+ size_t fds_size;
+
+ kres = pid_for_task(mach_task_self(), &my_pid);
+ if (res != KERN_SUCCESS) {
+ throw_internal_error(env, "pid_for_task failed");
+ return -1;
+ }
+
+ // get the maximum number of file descriptors
+ res = proc_pidinfo(my_pid, PROC_PIDTBSDINFO, 0, &bsdinfo, PROC_PIDTBSDINFO_SIZE);
+ if (res <= 0) {
+ throw_internal_error(env, "proc_pidinfo with PROC_PIDTBSDINFO failed");
+ return -1;
+ }
+
+ // allocate memory to hold the fd information (we don't acutally use this information
+ // but need it to get the number of open files)
+ fds_size = bsdinfo.pbi_nfiles * sizeof(struct proc_fdinfo);
+ fds = malloc(fds_size);
+ if (fds == NULL) {
+ JNU_ThrowOutOfMemoryError(env, "could not allocate space for file descriptors");
+ return -1;
+ }
+
+ // get the list of open files - the return value is the number of bytes
+ // proc_pidinfo filled in
+ res = proc_pidinfo(my_pid, PROC_PIDLISTFDS, 0, fds, fds_size);
+ if (res <= 0) {
+ free(fds);
+ throw_internal_error(env, "proc_pidinfo failed for PROC_PIDLISTFDS");
+ return -1;
+ }
+ nfiles = res / sizeof(struct proc_fdinfo);
+ free(fds);
+
+ return nfiles;
+#elif defined(_ALLBSD_SOURCE)
/*
* XXXBSD: there's no way available to do it in FreeBSD, AFAIK.
*/
--- a/jdk/test/com/sun/management/OperatingSystemMXBean/TestTotalSwap.sh Tue Apr 17 07:14:14 2012 -0700
+++ b/jdk/test/com/sun/management/OperatingSystemMXBean/TestTotalSwap.sh Tue Apr 17 07:25:05 2012 -0700
@@ -83,6 +83,13 @@
total_swap=`free -b | grep -i swap | awk '{print $2}'`
runOne GetTotalSwapSpaceSize $total_swap
;;
+ Darwin )
+ # $ sysctl -n vm.swapusage
+ # total = 8192.00M used = 7471.11M free = 720.89M (encrypted)
+ swap=`/usr/sbin/sysctl -n vm.swapusage | awk '{ print $3 }' | awk -F . '{ print $1 }'` || exit 2
+ total_swap=`expr $swap \* 1024 \* 1024` || exit 2
+ runOne GetTotalSwapSpaceSize $total_swap
+ ;;
* )
runOne GetTotalSwapSpaceSize "sanity-only"
;;