/**
* collectd - src/processes.c
* Copyright (C) 2005 Lyonel Vincent
+ * Copyright (C) 2006-2007 Florian Forster (Mach code)
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
#include "collectd.h"
#include "common.h"
#include "plugin.h"
-#include "utils_debug.h"
+#include "configfile.h"
+
+/* Include header files for the mach system, if they exist.. */
+#if HAVE_THREAD_INFO
+# if HAVE_MACH_MACH_INIT_H
+# include <mach/mach_init.h>
+# endif
+# if HAVE_MACH_HOST_PRIV_H
+# include <mach/host_priv.h>
+# endif
+# if HAVE_MACH_MACH_ERROR_H
+# include <mach/mach_error.h>
+# endif
+# if HAVE_MACH_MACH_HOST_H
+# include <mach/mach_host.h>
+# endif
+# if HAVE_MACH_MACH_PORT_H
+# include <mach/mach_port.h>
+# endif
+# if HAVE_MACH_MACH_TYPES_H
+# include <mach/mach_types.h>
+# endif
+# if HAVE_MACH_MESSAGE_H
+# include <mach/message.h>
+# endif
+# if HAVE_MACH_PROCESSOR_SET_H
+# include <mach/processor_set.h>
+# endif
+# if HAVE_MACH_TASK_H
+# include <mach/task.h>
+# endif
+# if HAVE_MACH_THREAD_ACT_H
+# include <mach/thread_act.h>
+# endif
+# if HAVE_MACH_VM_REGION_H
+# include <mach/vm_region.h>
+# endif
+# if HAVE_MACH_VM_MAP_H
+# include <mach/vm_map.h>
+# endif
+# if HAVE_MACH_VM_PROT_H
+# include <mach/vm_prot.h>
+# endif
+# if HAVE_SYS_SYSCTL_H
+# include <sys/sysctl.h>
+# endif
+/* #endif HAVE_THREAD_INFO */
+
+#elif KERNEL_LINUX
+# if HAVE_LINUX_CONFIG_H
+# include <linux/config.h>
+# endif
+# ifndef CONFIG_HZ
+# define CONFIG_HZ 100
+# endif
+/* #endif KERNEL_LINUX */
-#if HAVE_SYS_SYSCTL_H
-# include <sys/sysctl.h>
-#endif
-
-#define MODULE_NAME "processes"
-
-#if defined(KERNEL_LINUX) || defined(HAVE_SYSCTLBYNAME)
-# define PROCESSES_HAVE_READ 1
#else
-# define PROCESSES_HAVE_READ 0
+# error "No applicable input method."
#endif
#define BUFSIZE 256
-static char *ps_file = "processes.rrd";
-
-static char *ds_def[] =
+static const char *config_keys[] =
{
- "DS:running:GAUGE:"COLLECTD_HEARTBEAT":0:65535",
- "DS:sleeping:GAUGE:"COLLECTD_HEARTBEAT":0:65535",
- "DS:zombies:GAUGE:"COLLECTD_HEARTBEAT":0:65535",
- "DS:stopped:GAUGE:"COLLECTD_HEARTBEAT":0:65535",
- "DS:paging:GAUGE:"COLLECTD_HEARTBEAT":0:65535",
- "DS:blocked:GAUGE:"COLLECTD_HEARTBEAT":0:65535",
+ "Process",
NULL
};
-static int ds_num = 6;
+static int config_keys_num = 1;
-static void ps_init (void)
+typedef struct procstat_entry_s
{
-}
+ unsigned long id;
+ unsigned long age;
+
+ unsigned long num_proc;
+ unsigned long num_lwp;
+ unsigned long vmem_rss;
+
+ unsigned long vmem_minflt;
+ unsigned long vmem_majflt;
+ unsigned long vmem_minflt_counter;
+ unsigned long vmem_majflt_counter;
-static void ps_write (char *host, char *inst, char *val)
+ unsigned long cpu_user;
+ unsigned long cpu_system;
+ unsigned long cpu_user_counter;
+ unsigned long cpu_system_counter;
+
+ struct procstat_entry_s *next;
+} procstat_entry_t;
+
+#define PROCSTAT_NAME_LEN 256
+typedef struct procstat
{
- rrd_update_file (host, ps_file, val, ds_def, ds_num);
-}
+ char name[PROCSTAT_NAME_LEN];
+
+ unsigned long num_proc;
+ unsigned long num_lwp;
+ unsigned long vmem_rss;
+
+ unsigned long vmem_minflt_counter;
+ unsigned long vmem_majflt_counter;
+
+ unsigned long cpu_user_counter;
+ unsigned long cpu_system_counter;
+
+ struct procstat *next;
+ struct procstat_entry_s *instances;
+} procstat_t;
-#if PROCESSES_HAVE_READ
-static void ps_submit (unsigned int running,
- unsigned int sleeping,
- unsigned int zombies,
- unsigned int stopped,
- unsigned int paging,
- unsigned int blocked)
+static procstat_t *list_head_g = NULL;
+
+#if HAVE_THREAD_INFO
+static mach_port_t port_host_self;
+static mach_port_t port_task_self;
+
+static processor_set_name_array_t pset_list;
+static mach_msg_type_number_t pset_list_len;
+/* #endif HAVE_THREAD_INFO */
+
+#elif KERNEL_LINUX
+static long pagesize_g;
+#endif /* KERNEL_LINUX */
+
+static void ps_list_register (const char *name)
{
- char buf[BUFSIZE];
+ procstat_t *new;
+ procstat_t *ptr;
- if (snprintf (buf, BUFSIZE, "%u:%u:%u:%u:%u:%u:%u",
- (unsigned int) curtime,
- running, sleeping, zombies, stopped, paging,
- blocked) >= BUFSIZE)
+ if ((new = (procstat_t *) malloc (sizeof (procstat_t))) == NULL)
return;
+ memset (new, 0, sizeof (procstat_t));
+ strncpy (new->name, name, PROCSTAT_NAME_LEN);
- plugin_submit (MODULE_NAME, "-", buf);
+ for (ptr = list_head_g; ptr != NULL; ptr = ptr->next)
+ {
+ if (strcmp (ptr->name, name) == 0)
+ return;
+ if (ptr->next == NULL)
+ break;
+ }
+
+ if (ptr == NULL)
+ list_head_g = new;
+ else
+ ptr->next = new;
}
-static void ps_read (void)
+static procstat_t *ps_list_search (const char *name)
{
-#ifdef KERNEL_LINUX
- unsigned int running, sleeping, zombies, stopped, paging, blocked;
+ procstat_t *ptr;
- char buf[BUFSIZE];
- char filename[20]; /* need 17 bytes */
- char *fields[BUFSIZE];
+ for (ptr = list_head_g; ptr != NULL; ptr = ptr->next)
+ if (strcmp (ptr->name, name) == 0)
+ break;
- struct dirent *ent;
- DIR *proc;
- FILE *fh;
+ return (ptr);
+}
- running = sleeping = zombies = stopped = paging = blocked = 0;
+static void ps_list_add (const char *name, procstat_entry_t *entry)
+{
+ procstat_t *ps;
+ procstat_entry_t *pse;
- if ((proc = opendir ("/proc")) == NULL)
- {
- syslog (LOG_ERR, "Cannot open `/proc': %s", strerror (errno));
+ if (entry->id == 0)
+ return;
+
+ if ((ps = ps_list_search (name)) == NULL)
return;
+
+ for (pse = ps->instances; pse != NULL; pse = pse->next)
+ if ((pse->id == entry->id) || (pse->next == NULL))
+ break;
+
+ if ((pse == NULL) || (pse->id != entry->id))
+ {
+ procstat_entry_t *new;
+
+ new = (procstat_entry_t *) malloc (sizeof (procstat_entry_t));
+ if (new == NULL)
+ return;
+ memset (new, 0, sizeof (procstat_entry_t));
+ new->id = entry->id;
+
+ if (pse == NULL)
+ ps->instances = new;
+ else
+ pse->next = new;
+
+ pse = new;
}
- while ((ent = readdir (proc)) != NULL)
+ pse->age = 0;
+ pse->num_proc = entry->num_proc;
+ pse->num_lwp = entry->num_lwp;
+ pse->vmem_rss = entry->vmem_rss;
+
+ ps->num_proc += pse->num_proc;
+ ps->num_lwp += pse->num_lwp;
+ ps->vmem_rss += pse->vmem_rss;
+
+ if ((entry->vmem_minflt_counter == 0)
+ && (entry->vmem_majflt_counter == 0))
{
- if (!isdigit (ent->d_name[0]))
- continue;
+ pse->vmem_minflt_counter += entry->vmem_minflt;
+ pse->vmem_minflt = entry->vmem_minflt;
- if (snprintf (filename, 20, "/proc/%s/stat", ent->d_name) >= 20)
- continue;
+ pse->vmem_majflt_counter += entry->vmem_majflt;
+ pse->vmem_majflt = entry->vmem_majflt;
+ }
+ else
+ {
+ if (entry->vmem_minflt_counter < pse->vmem_minflt_counter)
+ {
+ pse->vmem_minflt = entry->vmem_minflt_counter
+ + (ULONG_MAX - pse->vmem_minflt_counter);
+ }
+ else
+ {
+ pse->vmem_minflt = entry->vmem_minflt_counter - pse->vmem_minflt_counter;
+ }
+ pse->vmem_minflt_counter = entry->vmem_minflt_counter;
- if ((fh = fopen (filename, "r")) == NULL)
+ if (entry->vmem_majflt_counter < pse->vmem_majflt_counter)
{
- syslog (LOG_ERR, "Cannot open `%s': %s", filename, strerror (errno));
- continue;
+ pse->vmem_majflt = entry->vmem_majflt_counter
+ + (ULONG_MAX - pse->vmem_majflt_counter);
}
+ else
+ {
+ pse->vmem_majflt = entry->vmem_majflt_counter - pse->vmem_majflt_counter;
+ }
+ pse->vmem_majflt_counter = entry->vmem_majflt_counter;
+ }
- if (fgets (buf, BUFSIZE, fh) == NULL)
+ ps->vmem_minflt_counter += pse->vmem_minflt;
+ ps->vmem_majflt_counter += pse->vmem_majflt;
+
+ if ((entry->cpu_user_counter == 0)
+ && (entry->cpu_system_counter == 0))
+ {
+ pse->cpu_user_counter += entry->cpu_user;
+ pse->cpu_user = entry->cpu_user;
+
+ pse->cpu_system_counter += entry->cpu_system;
+ pse->cpu_system = entry->cpu_system;
+ }
+ else
+ {
+ if (entry->cpu_user_counter < pse->cpu_user_counter)
{
- fclose (fh);
- continue;
+ pse->cpu_user = entry->cpu_user_counter
+ + (ULONG_MAX - pse->cpu_user_counter);
+ }
+ else
+ {
+ pse->cpu_user = entry->cpu_user_counter - pse->cpu_user_counter;
}
+ pse->cpu_user_counter = entry->cpu_user_counter;
- fclose (fh);
+ if (entry->cpu_system_counter < pse->cpu_system_counter)
+ {
+ pse->cpu_system = entry->cpu_system_counter
+ + (ULONG_MAX - pse->cpu_system_counter);
+ }
+ else
+ {
+ pse->cpu_system = entry->cpu_system_counter - pse->cpu_system_counter;
+ }
+ pse->cpu_system_counter = entry->cpu_system_counter;
+ }
+
+ ps->cpu_user_counter += pse->cpu_user;
+ ps->cpu_system_counter += pse->cpu_system;
+}
+
+static void ps_list_reset (void)
+{
+ procstat_t *ps;
+ procstat_entry_t *pse;
+ procstat_entry_t *pse_prev;
+
+ for (ps = list_head_g; ps != NULL; ps = ps->next)
+ {
+ ps->num_proc = 0;
+ ps->num_lwp = 0;
+ ps->vmem_rss = 0;
+
+ pse_prev = NULL;
+ pse = ps->instances;
+ while (pse != NULL)
+ {
+ if (pse->age > 10)
+ {
+ DEBUG ("Removing this procstat entry cause it's too old: "
+ "id = %lu; name = %s;",
+ pse->id, ps->name);
+
+ if (pse_prev == NULL)
+ {
+ ps->instances = pse->next;
+ free (pse);
+ pse = ps->instances;
+ }
+ else
+ {
+ pse_prev->next = pse->next;
+ free (pse);
+ pse = pse_prev->next;
+ }
+ }
+ else
+ {
+ pse->age++;
+ pse_prev = pse;
+ pse = pse->next;
+ }
+ } /* while (pse != NULL) */
+ } /* for (ps = list_head_g; ps != NULL; ps = ps->next) */
+}
+
+static int ps_config (const char *key, const char *value)
+{
+ if (strcasecmp (key, "Process") == 0)
+ {
+ ps_list_register (value);
+ }
+ else
+ {
+ return (-1);
+ }
+
+ return (0);
+}
+
+static int ps_init (void)
+{
+#if HAVE_THREAD_INFO
+ kern_return_t status;
+
+ port_host_self = mach_host_self ();
+ port_task_self = mach_task_self ();
+
+ if (pset_list != NULL)
+ {
+ vm_deallocate (port_task_self,
+ (vm_address_t) pset_list,
+ pset_list_len * sizeof (processor_set_t));
+ pset_list = NULL;
+ pset_list_len = 0;
+ }
+
+ if ((status = host_processor_sets (port_host_self,
+ &pset_list,
+ &pset_list_len)) != KERN_SUCCESS)
+ {
+ ERROR ("host_processor_sets failed: %s\n",
+ mach_error_string (status));
+ pset_list = NULL;
+ pset_list_len = 0;
+ return (-1);
+ }
+/* #endif HAVE_THREAD_INFO */
+
+#elif KERNEL_LINUX
+ pagesize_g = sysconf(_SC_PAGESIZE);
+ DEBUG ("pagesize_g = %li; CONFIG_HZ = %i;",
+ pagesize_g, CONFIG_HZ);
+#endif /* KERNEL_LINUX */
+
+ return (0);
+} /* int ps_init */
+
+static void ps_submit_state (const char *state, double value)
+{
+ value_t values[1];
+ value_list_t vl = VALUE_LIST_INIT;
+
+ values[0].gauge = value;
+
+ vl.values = values;
+ vl.values_len = 1;
+ vl.time = time (NULL);
+ strcpy (vl.host, hostname_g);
+ strcpy (vl.plugin, "processes");
+ strcpy (vl.plugin_instance, "");
+ strncpy (vl.type_instance, state, sizeof (vl.type_instance));
+
+ plugin_dispatch_values ("ps_state", &vl);
+}
+
+static void ps_submit_proc_list (procstat_t *ps)
+{
+ value_t values[2];
+ value_list_t vl = VALUE_LIST_INIT;
+
+ vl.values = values;
+ vl.values_len = 2;
+ vl.time = time (NULL);
+ strcpy (vl.host, hostname_g);
+ strcpy (vl.plugin, "processes");
+ strncpy (vl.plugin_instance, ps->name, sizeof (vl.plugin_instance));
+
+ vl.values[0].gauge = ps->vmem_rss;
+ vl.values_len = 1;
+ plugin_dispatch_values ("ps_rss", &vl);
+
+ vl.values[0].counter = ps->cpu_user_counter;
+ vl.values[1].counter = ps->cpu_system_counter;
+ vl.values_len = 2;
+ plugin_dispatch_values ("ps_cputime", &vl);
+
+ vl.values[0].gauge = ps->num_proc;
+ vl.values[1].gauge = ps->num_lwp;
+ vl.values_len = 2;
+ plugin_dispatch_values ("ps_count", &vl);
+
+ vl.values[0].counter = ps->vmem_minflt_counter;
+ vl.values[1].counter = ps->vmem_majflt_counter;
+ vl.values_len = 2;
+ plugin_dispatch_values ("ps_pagefaults", &vl);
+
+ DEBUG ("name = %s; num_proc = %lu; num_lwp = %lu; vmem_rss = %lu; "
+ "vmem_minflt_counter = %lu; vmem_majflt_counter = %lu; "
+ "cpu_user_counter = %lu; cpu_system_counter = %lu;",
+ ps->name, ps->num_proc, ps->num_lwp, ps->vmem_rss,
+ ps->vmem_minflt_counter, ps->vmem_majflt_counter,
+ ps->cpu_user_counter, ps->cpu_system_counter);
+} /* void ps_submit_proc_list */
+
+#if KERNEL_LINUX
+static int *ps_read_tasks (int pid)
+{
+ int *list = NULL;
+ int list_size = 1; /* size of allocated space, in elements */
+ int list_len = 0; /* number of currently used elements */
+
+ char dirname[64];
+ DIR *dh;
+ struct dirent *ent;
+
+ snprintf (dirname, 64, "/proc/%i/task", pid);
+ dirname[63] = '\0';
- if (strsplit (buf, fields, BUFSIZE) < 3)
+ if ((dh = opendir (dirname)) == NULL)
+ {
+ DEBUG ("Failed to open directory `%s'", dirname);
+ return (NULL);
+ }
+
+ while ((ent = readdir (dh)) != NULL)
+ {
+ if (!isdigit (ent->d_name[0]))
continue;
- switch (fields[2][0])
+ if ((list_len + 1) >= list_size)
{
- case 'R': running++; break;
- case 'S': sleeping++; break;
- case 'D': blocked++; break;
- case 'Z': zombies++; break;
- case 'T': stopped++; break;
- case 'W': paging++; break;
+ int *new_ptr;
+ int new_size = 2 * list_size;
+ /* Comes in sizes: 2, 4, 8, 16, ... */
+
+ new_ptr = (int *) realloc (list, (size_t) (sizeof (int) * new_size));
+ if (new_ptr == NULL)
+ {
+ if (list != NULL)
+ free (list);
+ ERROR ("processes plugin: "
+ "Failed to allocate more memory.");
+ return (NULL);
+ }
+
+ list = new_ptr;
+ list_size = new_size;
+
+ memset (list + list_len, 0, sizeof (int) * (list_size - list_len));
}
+
+ list[list_len] = atoi (ent->d_name);
+ if (list[list_len] != 0)
+ list_len++;
+ }
+
+ closedir (dh);
+
+ if (list_len == 0)
+ return (NULL);
+
+ assert (list_len < list_size);
+ assert (list[list_len] == 0);
+
+ return (list);
+} /* int *ps_read_tasks */
+
+int ps_read_process (int pid, procstat_t *ps, char *state)
+{
+ char filename[64];
+ char buffer[1024];
+ FILE *fh;
+
+ char *fields[64];
+ char fields_len;
+
+ int *tasks;
+ int i;
+
+ int ppid;
+ int name_len;
+
+ long long unsigned cpu_user_counter;
+ long long unsigned cpu_system_counter;
+ long long unsigned vmem_rss;
+
+ memset (ps, 0, sizeof (procstat_t));
+
+ snprintf (filename, 64, "/proc/%i/stat", pid);
+ filename[63] = '\0';
+
+ if ((fh = fopen (filename, "r")) == NULL)
+ return (-1);
+
+ if (fgets (buffer, 1024, fh) == NULL)
+ {
+ fclose (fh);
+ return (-1);
}
- closedir(proc);
+ fclose (fh);
+
+ fields_len = strsplit (buffer, fields, 64);
+ if (fields_len < 24)
+ {
+ DEBUG ("processes plugin: ps_read_process (pid = %i):"
+ " `%s' has only %i fields..",
+ (int) pid, filename, fields_len);
+ return (-1);
+ }
- ps_submit (running, sleeping, zombies, stopped, paging, blocked);
-/* #endif defined(KERNEL_LINUX) */
+ /* copy the name, strip brackets in the process */
+ name_len = strlen (fields[1]) - 2;
+ if ((fields[1][0] != '(') || (fields[1][name_len + 1] != ')'))
+ {
+ DEBUG ("No brackets found in process name: `%s'", fields[1]);
+ return (-1);
+ }
+ fields[1] = fields[1] + 1;
+ fields[1][name_len] = '\0';
+ strncpy (ps->name, fields[1], PROCSTAT_NAME_LEN);
-#elif HAVE_SYSCTLBYNAME
- int mib[3];
- size_t len;
- size_t num;
- int i;
- int tries;
- struct kinfo_proc *kp;
+ ppid = atoi (fields[3]);
- unsigned int state_idle = 0;
- unsigned int state_run = 0;
- unsigned int state_sleep = 0;
- unsigned int state_stop = 0;
- unsigned int state_zombie = 0;
+ *state = fields[2][0];
+
+ if (*state == 'Z')
+ {
+ ps->num_lwp = 0;
+ ps->num_proc = 0;
+ }
+ else if ((tasks = ps_read_tasks (pid)) == NULL)
+ {
+ /* Kernel 2.4 or so */
+ ps->num_lwp = 1;
+ ps->num_proc = 1;
+ }
+ else
+ {
+ ps->num_lwp = 0;
+ ps->num_proc = 1;
+ for (i = 0; tasks[i] != 0; i++)
+ ps->num_lwp++;
+
+ free (tasks);
+ tasks = NULL;
+ }
+
+ /* Leave the rest at zero if this is only a zombi */
+ if (ps->num_proc == 0)
+ {
+ DEBUG ("This is only a zombi: pid = %i; name = %s;",
+ pid, ps->name);
+ return (0);
+ }
+
+ cpu_user_counter = atoll (fields[13]);
+ cpu_system_counter = atoll (fields[14]);
+ vmem_rss = atoll (fields[23]);
+ ps->vmem_minflt_counter = atol (fields[9]);
+ ps->vmem_majflt_counter = atol (fields[11]);
+
+ /* Convert jiffies to useconds */
+ cpu_user_counter = cpu_user_counter * 1000000 / CONFIG_HZ;
+ cpu_system_counter = cpu_system_counter * 1000000 / CONFIG_HZ;
+ vmem_rss = vmem_rss * pagesize_g;
+
+ ps->cpu_user_counter = (unsigned long) cpu_user_counter;
+ ps->cpu_system_counter = (unsigned long) cpu_system_counter;
+ ps->vmem_rss = (unsigned long) vmem_rss;
+
+ /* success */
+ return (0);
+} /* int ps_read_process (...) */
+#endif /* KERNEL_LINUX */
+
+#if HAVE_THREAD_INFO
+static int mach_get_task_name (task_t t, int *pid, char *name, size_t name_max_len)
+{
+ int mib[4];
+
+ struct kinfo_proc kp;
+ size_t kp_size;
mib[0] = CTL_KERN;
mib[1] = KERN_PROC;
- mib[2] = KERN_PROC_ALL;
+ mib[2] = KERN_PROC_PID;
+
+ if (pid_for_task (t, pid) != KERN_SUCCESS)
+ return (-1);
+ mib[3] = *pid;
+
+ kp_size = sizeof (kp);
+ if (sysctl (mib, 4, &kp, &kp_size, NULL, 0) != 0)
+ return (-1);
+
+ if (name_max_len > (MAXCOMLEN + 1))
+ name_max_len = MAXCOMLEN + 1;
- tries = 0;
- kp = NULL;
- while (1)
+ strncpy (name, kp.kp_proc.p_comm, name_max_len - 1);
+ name[name_max_len - 1] = '\0';
+
+ DEBUG ("pid = %i; name = %s;", *pid, name);
+
+ /* We don't do the special handling for `p_comm == "LaunchCFMApp"' as
+ * `top' does it, because it is a lot of work and only used when
+ * debugging. -octo */
+
+ return (0);
+}
+#endif /* HAVE_THREAD_INFO */
+
+static int ps_read (void)
+{
+#if HAVE_THREAD_INFO
+ kern_return_t status;
+
+ int pset;
+ processor_set_t port_pset_priv;
+
+ int task;
+ task_array_t task_list;
+ mach_msg_type_number_t task_list_len;
+
+ int task_pid;
+ char task_name[MAXCOMLEN + 1];
+
+ int thread;
+ thread_act_array_t thread_list;
+ mach_msg_type_number_t thread_list_len;
+ thread_basic_info_data_t thread_data;
+ mach_msg_type_number_t thread_data_len;
+
+ int running = 0;
+ int sleeping = 0;
+ int zombies = 0;
+ int stopped = 0;
+ int blocked = 0;
+
+ procstat_t *ps;
+ procstat_entry_t pse;
+
+ ps_list_reset ();
+
+ /*
+ * The Mach-concept is a little different from the traditional UNIX
+ * concept: All the work is done in threads. Threads are contained in
+ * `tasks'. Therefore, `task status' doesn't make much sense, since
+ * it's actually a `thread status'.
+ * Tasks are assigned to sets of processors, so that's where you go to
+ * get a list.
+ */
+ for (pset = 0; pset < pset_list_len; pset++)
{
- if (tries >= 3)
- return;
- tries++;
+ if ((status = host_processor_set_priv (port_host_self,
+ pset_list[pset],
+ &port_pset_priv)) != KERN_SUCCESS)
+ {
+ ERROR ("host_processor_set_priv failed: %s\n",
+ mach_error_string (status));
+ continue;
+ }
- len = 0;
- if (sysctl(mib, 3, NULL, &len, NULL, 0) != 0)
+ if ((status = processor_set_tasks (port_pset_priv,
+ &task_list,
+ &task_list_len)) != KERN_SUCCESS)
{
- syslog (LOG_ERR, "processes: sysctl failed: %s",
- strerror (errno));
- return;
+ ERROR ("processor_set_tasks failed: %s\n",
+ mach_error_string (status));
+ mach_port_deallocate (port_task_self, port_pset_priv);
+ continue;
}
- if ((kp = (struct kinfo_proc *) malloc (len)) == NULL)
+ for (task = 0; task < task_list_len; task++)
{
- syslog (LOG_ERR, "processes: malloc failed: %s",
- strerror (errno));
- return;
+ ps = NULL;
+ if (mach_get_task_name (task_list[task],
+ &task_pid,
+ task_name, PROCSTAT_NAME_LEN) == 0)
+ ps = ps_list_search (task_name);
+
+ /* Collect more detailed statistics for this process */
+ if (ps != NULL)
+ {
+ task_basic_info_data_t task_basic_info;
+ mach_msg_type_number_t task_basic_info_len;
+ task_events_info_data_t task_events_info;
+ mach_msg_type_number_t task_events_info_len;
+ task_absolutetime_info_data_t task_absolutetime_info;
+ mach_msg_type_number_t task_absolutetime_info_len;
+
+ memset (&pse, '\0', sizeof (pse));
+ pse.id = task_pid;
+
+ task_basic_info_len = TASK_BASIC_INFO_COUNT;
+ status = task_info (task_list[task],
+ TASK_BASIC_INFO,
+ (task_info_t) &task_basic_info,
+ &task_basic_info_len);
+ if (status != KERN_SUCCESS)
+ {
+ ERROR ("task_info failed: %s",
+ mach_error_string (status));
+ continue; /* with next thread_list */
+ }
+
+ task_events_info_len = TASK_EVENTS_INFO_COUNT;
+ status = task_info (task_list[task],
+ TASK_EVENTS_INFO,
+ (task_info_t) &task_events_info,
+ &task_events_info_len);
+ if (status != KERN_SUCCESS)
+ {
+ ERROR ("task_info failed: %s",
+ mach_error_string (status));
+ continue; /* with next thread_list */
+ }
+
+ task_absolutetime_info_len = TASK_ABSOLUTETIME_INFO_COUNT;
+ status = task_info (task_list[task],
+ TASK_ABSOLUTETIME_INFO,
+ (task_info_t) &task_absolutetime_info,
+ &task_absolutetime_info_len);
+ if (status != KERN_SUCCESS)
+ {
+ ERROR ("task_info failed: %s",
+ mach_error_string (status));
+ continue; /* with next thread_list */
+ }
+
+ pse.num_proc++;
+ pse.vmem_rss = task_basic_info.resident_size;
+
+ pse.vmem_minflt_counter = task_events_info.cow_faults;
+ pse.vmem_majflt_counter = task_events_info.faults;
+
+ pse.cpu_user_counter = task_absolutetime_info.total_user;
+ pse.cpu_system_counter = task_absolutetime_info.total_system;
+ }
+
+ status = task_threads (task_list[task], &thread_list,
+ &thread_list_len);
+ if (status != KERN_SUCCESS)
+ {
+ /* Apple's `top' treats this case a zombie. It
+ * makes sense to some extend: A `zombie'
+ * thread is nonsense, since the task/process
+ * is dead. */
+ zombies++;
+ DEBUG ("task_threads failed: %s",
+ mach_error_string (status));
+ if (task_list[task] != port_task_self)
+ mach_port_deallocate (port_task_self,
+ task_list[task]);
+ continue; /* with next task_list */
+ }
+
+ for (thread = 0; thread < thread_list_len; thread++)
+ {
+ thread_data_len = THREAD_BASIC_INFO_COUNT;
+ status = thread_info (thread_list[thread],
+ THREAD_BASIC_INFO,
+ (thread_info_t) &thread_data,
+ &thread_data_len);
+ if (status != KERN_SUCCESS)
+ {
+ ERROR ("thread_info failed: %s",
+ mach_error_string (status));
+ if (task_list[task] != port_task_self)
+ mach_port_deallocate (port_task_self,
+ thread_list[thread]);
+ continue; /* with next thread_list */
+ }
+
+ if (ps != NULL)
+ pse.num_lwp++;
+
+ switch (thread_data.run_state)
+ {
+ case TH_STATE_RUNNING:
+ running++;
+ break;
+ case TH_STATE_STOPPED:
+ /* What exactly is `halted'? */
+ case TH_STATE_HALTED:
+ stopped++;
+ break;
+ case TH_STATE_WAITING:
+ sleeping++;
+ break;
+ case TH_STATE_UNINTERRUPTIBLE:
+ blocked++;
+ break;
+ /* There is no `zombie' case here,
+ * since there are no zombie-threads.
+ * There's only zombie tasks, which are
+ * handled above. */
+ default:
+ WARNING ("Unknown thread status: %s",
+ thread_data.run_state);
+ break;
+ } /* switch (thread_data.run_state) */
+
+ if (task_list[task] != port_task_self)
+ {
+ status = mach_port_deallocate (port_task_self,
+ thread_list[thread]);
+ if (status != KERN_SUCCESS)
+ ERROR ("mach_port_deallocate failed: %s",
+ mach_error_string (status));
+ }
+ } /* for (thread_list) */
+
+ if ((status = vm_deallocate (port_task_self,
+ (vm_address_t) thread_list,
+ thread_list_len * sizeof (thread_act_t)))
+ != KERN_SUCCESS)
+ {
+ ERROR ("vm_deallocate failed: %s",
+ mach_error_string (status));
+ }
+ thread_list = NULL;
+ thread_list_len = 0;
+
+ /* Only deallocate the task port, if it isn't our own.
+ * Don't know what would happen in that case, but this
+ * is what Apple's top does.. ;) */
+ if (task_list[task] != port_task_self)
+ {
+ status = mach_port_deallocate (port_task_self,
+ task_list[task]);
+ if (status != KERN_SUCCESS)
+ ERROR ("mach_port_deallocate failed: %s",
+ mach_error_string (status));
+ }
+
+ if (ps != NULL)
+ ps_list_add (task_name, &pse);
+ } /* for (task_list) */
+
+ if ((status = vm_deallocate (port_task_self,
+ (vm_address_t) task_list,
+ task_list_len * sizeof (task_t))) != KERN_SUCCESS)
+ {
+ ERROR ("vm_deallocate failed: %s",
+ mach_error_string (status));
}
+ task_list = NULL;
+ task_list_len = 0;
- if (sysctl(mib, 3, (void *) kp, &len, NULL, 0) != 0)
+ if ((status = mach_port_deallocate (port_task_self, port_pset_priv))
+ != KERN_SUCCESS)
{
- syslog (LOG_WARNING, "processes: sysctl failed: %s",
- strerror (errno));
- free (kp);
- kp = NULL;
- continue;
+ ERROR ("mach_port_deallocate failed: %s",
+ mach_error_string (status));
}
+ } /* for (pset_list) */
+
+ ps_submit_state ("running", running);
+ ps_submit_state ("sleeping", sleeping);
+ ps_submit_state ("zombies", zombies);
+ ps_submit_state ("stopped", stopped);
+ ps_submit_state ("blocked", blocked);
+
+ for (ps = list_head_g; ps != NULL; ps = ps->next)
+ ps_submit_proc_list (ps);
+/* #endif HAVE_THREAD_INFO */
+
+#elif KERNEL_LINUX
+ int running = 0;
+ int sleeping = 0;
+ int zombies = 0;
+ int stopped = 0;
+ int paging = 0;
+ int blocked = 0;
+
+ struct dirent *ent;
+ DIR *proc;
+ int pid;
- break;
- } /* while true */
+ int status;
+ procstat_t ps;
+ procstat_entry_t pse;
+ char state;
- /* If we get past the while-loop, `kp' containes a valid `struct
- * kinfo_proc'. */
+ procstat_t *ps_ptr;
- num = len / sizeof (struct kinfo_proc);
+ running = sleeping = zombies = stopped = paging = blocked = 0;
+ ps_list_reset ();
- for (i = 0; i < num; i++)
+ if ((proc = opendir ("/proc")) == NULL)
{
- DBG ("%3i: Process %i is in state %i", i,
- (int) kp[i].kp_proc.p_pid,
- (int) kp[i].kp_proc.p_stat);
+ char errbuf[1024];
+ ERROR ("Cannot open `/proc': %s",
+ sstrerror (errno, errbuf, sizeof (errbuf)));
+ return (-1);
+ }
+
+ while ((ent = readdir (proc)) != NULL)
+ {
+ if (!isdigit (ent->d_name[0]))
+ continue;
+
+ if ((pid = atoi (ent->d_name)) < 1)
+ continue;
- switch (kp[i].kp_proc.p_stat)
+ status = ps_read_process (pid, &ps, &state);
+ if (status != 0)
{
- case SIDL:
- state_idle++;
- break;
-
- case SRUN:
- state_run++;
- break;
-
- case SSLEEP:
-#ifdef P_SINTR
- if ((kp[i].kp_proc.p_flag & P_SINTR) == 0)
- state_sleep++; /* TODO change this to `state_blocked' or something.. */
- else
-#endif /* P_SINTR */
- state_sleep++;
- break;
-
- case SSTOP:
- state_stop++;
- break;
-
- case SZOMB:
- state_zombie++;
- break;
-
- default:
- syslog (LOG_WARNING, "processes: PID %i in unknown state 0x%2x",
- (int) kp[i].kp_proc.p_pid,
- (int) kp[i].kp_proc.p_stat);
- } /* switch (state) */
- } /* for (i = 0 .. num-1) */
-
- free (kp);
-
- if (state_run || state_idle || state_sleep || state_zombie)
- ps_submit (state_run, state_idle + state_sleep, state_zombie,
- state_stop, -1, -1);
-#endif /* HAVE_SYSCTLBYNAME */
-}
-#else
-# define ps_read NULL
-#endif /* PROCESSES_HAVE_READ */
+ DEBUG ("ps_read_process failed: %i", status);
+ continue;
+ }
+
+ pse.id = pid;
+ pse.age = 0;
+
+ pse.num_proc = ps.num_proc;
+ pse.num_lwp = ps.num_lwp;
+ pse.vmem_rss = ps.vmem_rss;
+
+ pse.vmem_minflt = 0;
+ pse.vmem_minflt_counter = ps.vmem_minflt_counter;
+ pse.vmem_majflt = 0;
+ pse.vmem_majflt_counter = ps.vmem_majflt_counter;
+
+ pse.cpu_user = 0;
+ pse.cpu_user_counter = ps.cpu_user_counter;
+ pse.cpu_system = 0;
+ pse.cpu_system_counter = ps.cpu_system_counter;
+
+ switch (state)
+ {
+ case 'R': running++; break;
+ case 'S': sleeping++; break;
+ case 'D': blocked++; break;
+ case 'Z': zombies++; break;
+ case 'T': stopped++; break;
+ case 'W': paging++; break;
+ }
+
+ ps_list_add (ps.name, &pse);
+ }
+
+ closedir (proc);
+
+ ps_submit_state ("running", running);
+ ps_submit_state ("sleeping", sleeping);
+ ps_submit_state ("zombies", zombies);
+ ps_submit_state ("stopped", stopped);
+ ps_submit_state ("paging", paging);
+ ps_submit_state ("blocked", blocked);
+
+ for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
+ ps_submit_proc_list (ps_ptr);
+#endif /* KERNEL_LINUX */
+
+ return (0);
+} /* int ps_read */
void module_register (void)
{
- plugin_register (MODULE_NAME, ps_init, ps_read, ps_write);
-}
-
-#undef BUFSIZE
-#undef MODULE_NAME
+ plugin_register_config ("processes", ps_config,
+ config_keys, config_keys_num);
+ plugin_register_init ("processes", ps_init);
+ plugin_register_read ("processes", ps_read);
+} /* void module_register */