#include "config.h"
#include "utils/mono-proclib.h"
+#include "utils/mono-time.h"
#include <stdlib.h>
#include <stdio.h>
#include <process.h>
#endif
-#if defined(__APPLE__) || defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__)
+#if defined(_POSIX_VERSION)
#include <sys/errno.h>
#include <sys/param.h>
+#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
+#endif
+#ifdef HAVE_SYS_SYSCTL_H
#include <sys/sysctl.h>
+#endif
+#include <sys/resource.h>
+#endif
+#if defined(__APPLE__) || defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__)
#include <sys/proc.h>
#if defined(__APPLE__)
#include <mach/mach.h>
if (res)
return NULL;
processes = malloc (data_len);
- res = sysctl (mib, 4, NULL, &data_len, NULL, 0);
+ res = sysctl (mib, 4, processes, &data_len, NULL, 0);
if (res < 0) {
free (processes);
if (errno != ENOMEM)
return NULL;
}
-/**
- * mono_process_get_name:
- * @pid: pid of the process
- * @buf: byte buffer where to store the name of the prcoess
- * @len: size of the buffer @buf
- *
- * Return the name of the process identified by @pid, storing it
- * inside @buf for a maximum of len bytes (including the terminating 0).
- */
-char*
-mono_process_get_name (gpointer pid, char *buf, int len)
-{
#if USE_SYSCTL
- int res;
+
#ifdef KERN_PROC2
- int mib [6];
- size_t data_len = sizeof (struct kinfo_proc2);
- struct kinfo_proc2 processi;
+#define KINFO_PROC struct kinfo_proc2
#else
- int mib [4];
- size_t data_len = sizeof (struct kinfo_proc);
- struct kinfo_proc processi;
-#endif /* KERN_PROC2 */
+#define KINFO_PROC struct kinfo_proc
+#endif
- memset (buf, 0, len);
+static gboolean
+sysctl_kinfo_proc (gpointer pid, KINFO_PROC* processi)
+{
+ int res;
+ size_t data_len = sizeof (KINFO_PROC);
#ifdef KERN_PROC2
+ int mib [6];
mib [0] = CTL_KERN;
mib [1] = KERN_PROC2;
mib [2] = KERN_PROC_PID;
mib [3] = GPOINTER_TO_UINT (pid);
- mib [4] = sizeof(struct kinfo_proc2);
+ mib [4] = sizeof(KINFO_PROC);
mib [5] = 400; /* XXX */
- res = sysctl (mib, 6, &processi, &data_len, NULL, 0);
-
- if (res < 0 || data_len != sizeof (struct kinfo_proc2)) {
- return buf;
- }
+ res = sysctl (mib, 6, processi, &data_len, NULL, 0);
#else
+ int mib [4];
mib [0] = CTL_KERN;
mib [1] = KERN_PROC;
mib [2] = KERN_PROC_PID;
mib [3] = GPOINTER_TO_UINT (pid);
-
- res = sysctl (mib, 4, &processi, &data_len, NULL, 0);
- if (res < 0 || data_len != sizeof (struct kinfo_proc)) {
- return buf;
- }
+
+ res = sysctl (mib, 4, processi, &data_len, NULL, 0);
#endif /* KERN_PROC2 */
- strncpy (buf, processi.kinfo_name_member, len - 1);
+
+ if (res < 0 || data_len != sizeof (KINFO_PROC))
+ return FALSE;
+
+ return TRUE;
+}
+#endif /* USE_SYSCTL */
+
+/**
+ * mono_process_get_name:
+ * @pid: pid of the process
+ * @buf: byte buffer where to store the name of the prcoess
+ * @len: size of the buffer @buf
+ *
+ * Return the name of the process identified by @pid, storing it
+ * inside @buf for a maximum of len bytes (including the terminating 0).
+ */
+char*
+mono_process_get_name (gpointer pid, char *buf, int len)
+{
+#if USE_SYSCTL
+ KINFO_PROC processi;
+
+ memset (buf, 0, len);
+
+ if (sysctl_kinfo_proc (pid, &processi))
+ strncpy (buf, processi.kinfo_name_member, len - 1);
+
return buf;
#else
char fname [128];
#endif
}
+void
+mono_process_get_times (gpointer pid, gint64 *start_time, gint64 *user_time, gint64 *kernel_time)
+{
+ if (user_time)
+ *user_time = mono_process_get_data (pid, MONO_PROCESS_USER_TIME);
+
+ if (kernel_time)
+ *kernel_time = mono_process_get_data (pid, MONO_PROCESS_SYSTEM_TIME);
+
+ if (start_time) {
+ *start_time = 0;
+
+#if USE_SYSCTL
+ {
+ KINFO_PROC processi;
+
+ if (sysctl_kinfo_proc (pid, &processi))
+ *start_time = mono_100ns_datetime_from_timeval (processi.kp_proc.p_starttime);
+ }
+#endif
+
+ if (*start_time == 0) {
+ static guint64 boot_time = 0;
+ if (!boot_time)
+ boot_time = mono_100ns_datetime () - ((guint64)mono_msec_ticks ()) * 10000;
+
+ *start_time = boot_time + mono_process_get_data (pid, MONO_PROCESS_ELAPSED);
+ }
+ }
+}
+
/*
* /proc/pid/stat format:
* pid (cmdname) S
* [0] ppid pgid sid tty_nr tty_pgrp flags min_flt cmin_flt maj_flt cmaj_flt
- * [10] utime stime cutime cstime prio nice threads 0 start_time vsize rss
+ * [10] utime stime cutime cstime prio nice threads 0 start_time vsize
* [20] rss rsslim start_code end_code start_stack esp eip pending blocked sigign
* [30] sigcatch wchan 0 0 exit_signal cpu rt_prio policy
*/
case MONO_PROCESS_FAULTS:
return get_process_stat_item (rpid, 6, TRUE, error);
case MONO_PROCESS_ELAPSED:
- return get_process_stat_item (rpid, 18, FALSE, error) / get_user_hz ();
+ return get_process_stat_time (rpid, 18, FALSE, error);
case MONO_PROCESS_PPID:
return get_process_stat_time (rpid, 0, FALSE, error);
case MONO_PROCESS_PAGED_BYTES:
return atexit (func);
#endif
}
+
+gint32
+mono_cpu_usage (MonoCpuUsageState *prev)
+{
+ gint32 cpu_usage = 0;
+ gint64 cpu_total_time;
+ gint64 cpu_busy_time;
+
+#ifndef HOST_WIN32
+ struct rusage resource_usage;
+ gint64 current_time;
+ gint64 kernel_time;
+ gint64 user_time;
+
+ if (getrusage (RUSAGE_SELF, &resource_usage) == -1) {
+ g_error ("getrusage() failed, errno is %d (%s)\n", errno, strerror (errno));
+ return -1;
+ }
+
+ current_time = mono_100ns_ticks ();
+ kernel_time = resource_usage.ru_stime.tv_sec * 1000 * 1000 * 10 + resource_usage.ru_stime.tv_usec * 10;
+ user_time = resource_usage.ru_utime.tv_sec * 1000 * 1000 * 10 + resource_usage.ru_utime.tv_usec * 10;
+
+ cpu_busy_time = (user_time - (prev ? prev->user_time : 0)) + (kernel_time - (prev ? prev->kernel_time : 0));
+ cpu_total_time = (current_time - (prev ? prev->current_time : 0)) * mono_cpu_count ();
+
+ if (prev) {
+ prev->kernel_time = kernel_time;
+ prev->user_time = user_time;
+ prev->current_time = current_time;
+ }
+#else
+ guint64 idle_time;
+ guint64 kernel_time;
+ guint64 user_time;
+
+ if (!GetSystemTimes ((FILETIME*) &idle_time, (FILETIME*) &kernel_time, (FILETIME*) &user_time)) {
+ g_error ("GetSystemTimes() failed, error code is %d\n", GetLastError ());
+ return -1;
+ }
+
+ cpu_total_time = (gint64)((user_time - (prev ? prev->user_time : 0)) + (kernel_time - (prev ? prev->kernel_time : 0)));
+ cpu_busy_time = (gint64)(cpu_total_time - (idle_time - (prev ? prev->idle_time : 0)));
+
+ if (prev) {
+ prev->idle_time = idle_time;
+ prev->kernel_time = kernel_time;
+ prev->user_time = user_time;
+ }
+#endif
+
+ if (cpu_total_time > 0 && cpu_busy_time > 0)
+ cpu_usage = (gint32)(cpu_busy_time * 100 / cpu_total_time);
+
+ g_assert (cpu_usage >= 0);
+ g_assert (cpu_usage <= 100);
+
+ return cpu_usage;
+}
projects / mono.git / blobdiff