2 #include "utils/mono-proclib.h"
15 /* FIXME: bsds untested */
16 #if defined(__APPLE__) || defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__)
17 #include <sys/param.h>
18 #include <sys/types.h>
19 #include <sys/sysctl.h>
21 #ifdef HAVE_SYS_USER_H
24 #ifdef HAVE_STRUCT_KINFO_PROC_KP_PROC
26 # define kinfo_pid_member p_pid
27 # define kinfo_name_member p_comm
29 # define kinfo_pid_member kp_proc.p_pid
30 # define kinfo_name_member kp_proc.p_comm
33 #define kinfo_pid_member ki_pid
34 #define kinfo_name_member ki_comm
41 * @size: a pointer to a location where the size of the returned array is stored
43 * Return an array of pid values for the processes currently running on the system.
44 * The size of the array is stored in @size.
47 mono_process_list (int *size)
53 size_t data_len = sizeof (struct kinfo_proc2) * 400;
54 struct kinfo_proc2 *processes = malloc (data_len);
57 size_t data_len = sizeof (struct kinfo_proc) * 400;
58 struct kinfo_proc *processes = malloc (data_len);
59 #endif /* KERN_PROC2 */
70 mib [2] = KERN_PROC_ALL;
72 mib [4] = sizeof(struct kinfo_proc2);
73 mib [5] = 400; /* XXX */
75 res = sysctl (mib, 6, processes, &data_len, NULL, 0);
79 mib [2] = KERN_PROC_ALL;
82 res = sysctl (mib, 4, processes, &data_len, NULL, 0);
83 #endif /* KERN_PROC2 */
90 res = data_len/sizeof (struct kinfo_proc2);
92 res = data_len/sizeof (struct kinfo_proc);
93 #endif /* KERN_PROC2 */
94 buf = g_realloc (buf, res * sizeof (void*));
95 for (i = 0; i < res; ++i)
96 buf [i] = GINT_TO_POINTER (processes [i].kinfo_pid_member);
106 GDir *dir = g_dir_open ("/proc/", 0, NULL);
112 while ((name = g_dir_read_name (dir))) {
115 pid = strtol (name, &nend, 10);
116 if (pid <= 0 || nend == name || *nend)
123 buf = g_realloc (buf, count * sizeof (void*));
125 buf [i++] = GINT_TO_POINTER (pid);
135 get_pid_status_item_buf (int pid, const char *item, char *rbuf, int blen, MonoProcessError *error)
140 int len = strlen (item);
142 g_snprintf (buf, sizeof (buf), "/proc/%d/status", pid);
143 f = fopen (buf, "r");
146 *error = MONO_PROCESS_ERROR_NOT_FOUND;
149 while ((s = fgets (buf, blen, f))) {
152 if (strncmp (buf, item, len))
155 while (g_ascii_isspace (*s)) s++;
158 while (g_ascii_isspace (*s)) s++;
161 strncpy (rbuf, s, MIN (len, blen));
162 rbuf [MIN (len, blen) - 1] = 0;
164 *error = MONO_PROCESS_ERROR_NONE;
169 *error = MONO_PROCESS_ERROR_OTHER;
174 * mono_process_get_name:
175 * @pid: pid of the process
176 * @buf: byte buffer where to store the name of the prcoess
177 * @len: size of the buffer @buf
179 * Return the name of the process identified by @pid, storing it
180 * inside @buf for a maximum of len bytes (including the terminating 0).
183 mono_process_get_name (gpointer pid, char *buf, int len)
189 size_t data_len = sizeof (struct kinfo_proc2);
190 struct kinfo_proc2 processi;
193 size_t data_len = sizeof (struct kinfo_proc);
194 struct kinfo_proc processi;
195 #endif /* KERN_PROC2 */
197 memset (buf, 0, len);
201 mib [1] = KERN_PROC2;
202 mib [2] = KERN_PROC_PID;
203 mib [3] = GPOINTER_TO_UINT (pid);
204 mib [4] = sizeof(struct kinfo_proc2);
205 mib [5] = 400; /* XXX */
207 res = sysctl (mib, 6, &processi, &data_len, NULL, 0);
209 if (res < 0 || data_len != sizeof (struct kinfo_proc2)) {
215 mib [2] = KERN_PROC_PID;
216 mib [3] = GPOINTER_TO_UINT (pid);
218 res = sysctl (mib, 4, &processi, &data_len, NULL, 0);
219 if (res < 0 || data_len != sizeof (struct kinfo_proc)) {
222 #endif /* KERN_PROC2 */
223 strncpy (buf, processi.kinfo_name_member, len - 1);
230 sprintf (fname, "/proc/%d/cmdline", GPOINTER_TO_INT (pid));
232 file = fopen (fname, "r");
235 r = fread (buf, 1, len - 1, file);
238 p = strrchr (buf, '/');
242 return get_pid_status_item_buf (GPOINTER_TO_INT (pid), "Name", buf, len, NULL);
249 * /proc/pid/stat format:
251 * [0] ppid pgid sid tty_nr tty_pgrp flags min_flt cmin_flt maj_flt cmaj_flt
252 * [10] utime stime cutime cstime prio nice threads 0 start_time vsize rss
253 * [20] rss rsslim start_code end_code start_stack esp eip pending blocked sigign
254 * [30] sigcatch wchan 0 0 exit_signal cpu rt_prio policy
257 #define RET_ERROR(err) do { \
258 if (error) *error = (err); \
263 get_process_stat_item (int pid, int pos, int sum, MonoProcessError *error)
271 g_snprintf (buf, sizeof (buf), "/proc/%d/stat", pid);
272 f = fopen (buf, "r");
274 RET_ERROR (MONO_PROCESS_ERROR_NOT_FOUND);
275 len = fread (buf, 1, sizeof (buf), f);
278 RET_ERROR (MONO_PROCESS_ERROR_OTHER);
279 s = strchr (buf, ')');
281 RET_ERROR (MONO_PROCESS_ERROR_OTHER);
283 while (g_ascii_isspace (*s)) s++;
285 RET_ERROR (MONO_PROCESS_ERROR_OTHER);
286 /* skip the status char */
287 while (*s && !g_ascii_isspace (*s)) s++;
289 RET_ERROR (MONO_PROCESS_ERROR_OTHER);
290 for (i = 0; i < pos; ++i) {
291 while (g_ascii_isspace (*s)) s++;
293 RET_ERROR (MONO_PROCESS_ERROR_OTHER);
294 while (*s && !g_ascii_isspace (*s)) s++;
296 RET_ERROR (MONO_PROCESS_ERROR_OTHER);
298 /* we are finally at the needed item */
299 value = strtoul (s, &end, 0);
300 /* add also the following value */
302 while (g_ascii_isspace (*s)) s++;
304 RET_ERROR (MONO_PROCESS_ERROR_OTHER);
305 value += strtoul (s, &end, 0);
308 *error = MONO_PROCESS_ERROR_NONE;
315 static int user_hz = 0;
318 user_hz = sysconf (_SC_CLK_TCK);
327 get_process_stat_time (int pid, int pos, int sum, MonoProcessError *error)
329 gint64 val = get_process_stat_item (pid, pos, sum, error);
330 /* return 100ns ticks */
331 return (val * 10000000) / get_user_hz ();
335 get_pid_status_item (int pid, const char *item, MonoProcessError *error)
340 s = get_pid_status_item_buf (pid, item, buf, sizeof (buf), error);
347 * mono_process_get_data:
348 * @pid: pid of the process
349 * @data: description of data to return
351 * Return a data item of a process like user time, memory use etc,
352 * according to the @data argumet.
355 mono_process_get_data_with_error (gpointer pid, MonoProcessData data, MonoProcessError *error)
358 int rpid = GPOINTER_TO_INT (pid);
361 *error = MONO_PROCESS_ERROR_OTHER;
364 case MONO_PROCESS_NUM_THREADS:
365 return get_pid_status_item (rpid, "Threads", error);
366 case MONO_PROCESS_USER_TIME:
367 return get_process_stat_time (rpid, 10, FALSE, error);
368 case MONO_PROCESS_SYSTEM_TIME:
369 return get_process_stat_time (rpid, 11, FALSE, error);
370 case MONO_PROCESS_TOTAL_TIME:
371 return get_process_stat_time (rpid, 10, TRUE, error);
372 case MONO_PROCESS_WORKING_SET:
373 return get_pid_status_item (rpid, "VmRSS", error) * 1024;
374 case MONO_PROCESS_WORKING_SET_PEAK:
375 val = get_pid_status_item (rpid, "VmHWM", error) * 1024;
377 val = get_pid_status_item (rpid, "VmRSS", error) * 1024;
379 case MONO_PROCESS_PRIVATE_BYTES:
380 return get_pid_status_item (rpid, "VmData", error) * 1024;
381 case MONO_PROCESS_VIRTUAL_BYTES:
382 return get_pid_status_item (rpid, "VmSize", error) * 1024;
383 case MONO_PROCESS_VIRTUAL_BYTES_PEAK:
384 val = get_pid_status_item (rpid, "VmPeak", error) * 1024;
386 val = get_pid_status_item (rpid, "VmSize", error) * 1024;
388 case MONO_PROCESS_FAULTS:
389 return get_process_stat_item (rpid, 6, TRUE, error);
390 case MONO_PROCESS_ELAPSED:
391 return get_process_stat_item (rpid, 18, FALSE, error) / get_user_hz ();
392 case MONO_PROCESS_PPID:
393 return get_process_stat_time (rpid, 0, FALSE, error);
396 case MONO_PROCESS_END:
403 mono_process_get_data (gpointer pid, MonoProcessData data)
405 MonoProcessError error;
406 return mono_process_get_data_with_error (pid, data, &error);
412 * Return the number of processors on the system.
415 mono_cpu_count (void)
418 #ifdef _SC_NPROCESSORS_ONLN
419 count = sysconf (_SC_NPROCESSORS_ONLN);
426 size_t len = sizeof (int);
429 if (sysctl (mib, 2, &count, &len, NULL, 0) == 0)
436 GetSystemInfo (&info);
437 return info.dwNumberOfProcessors;
445 get_cpu_times (int cpu_id, gint64 *user, gint64 *systemt, gint64 *irq, gint64 *sirq, gint64 *idle)
449 int hz = get_user_hz ();
450 long long unsigned int user_ticks, nice_ticks, system_ticks, idle_ticks, iowait_ticks, irq_ticks, sirq_ticks;
451 FILE *f = fopen ("/proc/stat", "r");
455 hz *= mono_cpu_count ();
456 while ((s = fgets (buf, sizeof (buf), f))) {
458 if (cpu_id < 0 && strncmp (s, "cpu", 3) == 0 && g_ascii_isspace (s [3])) {
460 } else if (cpu_id >= 0 && strncmp (s, "cpu", 3) == 0 && strtol (s + 3, &data, 10) == cpu_id) {
467 sscanf (data, "%Lu %Lu %Lu %Lu %Lu %Lu %Lu", &user_ticks, &nice_ticks, &system_ticks, &idle_ticks, &iowait_ticks, &irq_ticks, &sirq_ticks);
472 *user = (user_ticks + nice_ticks) * 10000000 / hz;
474 *systemt = (system_ticks) * 10000000 / hz;
476 *irq = (irq_ticks) * 10000000 / hz;
478 *sirq = (sirq_ticks) * 10000000 / hz;
480 *idle = (idle_ticks) * 10000000 / hz;
485 * @cpu_id: processor number or -1 to get a summary of all the processors
486 * @data: type of data to retrieve
488 * Get data about a processor on the system, like time spent in user space or idle time.
491 mono_cpu_get_data (int cpu_id, MonoCpuData data, MonoProcessError *error)
496 *error = MONO_PROCESS_ERROR_NONE;
498 case MONO_CPU_USER_TIME:
499 get_cpu_times (cpu_id, &value, NULL, NULL, NULL, NULL);
501 case MONO_CPU_PRIV_TIME:
502 get_cpu_times (cpu_id, NULL, &value, NULL, NULL, NULL);
504 case MONO_CPU_INTR_TIME:
505 get_cpu_times (cpu_id, NULL, NULL, &value, NULL, NULL);
507 case MONO_CPU_DCP_TIME:
508 get_cpu_times (cpu_id, NULL, NULL, NULL, &value, NULL);
510 case MONO_CPU_IDLE_TIME:
511 get_cpu_times (cpu_id, NULL, NULL, NULL, NULL, &value);