/**
* collectd - src/processes.c
* Copyright (C) 2005 Lyonel Vincent
- * Copyright (C) 2006 Florian Forster (Mach code)
+ * Copyright (C) 2006-2008 Florian Forster (Mach code)
+ * Copyright (C) 2008 Oleg King
*
* 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
* Authors:
* Lyonel Vincent <lyonel at ezix.org>
* Florian octo Forster <octo at verplant.org>
+ * Oleg King <king2 at kaluga.ru>
+ * Sebastian Harl <sh at tokkee.org>
**/
#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.. */
# ifndef CONFIG_HZ
# define CONFIG_HZ 100
# endif
-#endif /* KERNEL_LINUX */
+/* #endif KERNEL_LINUX */
-#define MODULE_NAME "processes"
+#elif HAVE_LIBKVM_GETPROCS
+# include <kvm.h>
+# include <sys/user.h>
+# include <sys/proc.h>
+# if HAVE_SYS_SYSCTL_H
+# include <sys/sysctl.h>
+# endif
+/* #endif HAVE_LIBKVM_GETPROCS */
-#if HAVE_THREAD_INFO || KERNEL_LINUX
-# define PROCESSES_HAVE_READ 1
#else
-# define PROCESSES_HAVE_READ 0
+# error "No applicable input method."
#endif
-#define BUFSIZE 256
-
-static char *processes_file = "processes.rrd";
-static char *processes_ds_def[] =
-{
- "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",
- NULL
-};
-static int processes_ds_num = 6;
-
-static char *ps_rss_file = "processes/ps_rss-%s.rrd";
-static char *ps_rss_ds_def[] =
-{
- /* max = 2^63 - 1 */
- "DS:byte:GAUGE:"COLLECTD_HEARTBEAT":0:9223372036854775807",
- NULL
-};
-static int ps_rss_ds_num = 1;
-
-static char *ps_cputime_file = "processes/ps_cputime-%s.rrd";
-static char *ps_cputime_ds_def[] =
-{
- /* 1 second in user-mode per second ought to be enough.. */
- "DS:user:COUNTER:"COLLECTD_HEARTBEAT":0:1000000",
- "DS:syst:COUNTER:"COLLECTD_HEARTBEAT":0:1000000",
- NULL
-};
-static int ps_cputime_ds_num = 2;
+#if HAVE_REGEX_H
+# include <regex.h>
+#endif
-static char *ps_count_file = "processes/ps_count-%s.rrd";
-static char *ps_count_ds_def[] =
-{
- "DS:processes:GAUGE:"COLLECTD_HEARTBEAT":0:65535",
- "DS:threads:GAUGE:"COLLECTD_HEARTBEAT":0:65535",
- NULL
-};
-static int ps_count_ds_num = 2;
+#ifndef ARG_MAX
+# define ARG_MAX 4096
+#endif
-static char *ps_pagefaults_file = "processes/ps_pagefaults-%s.rrd";
-static char *ps_pagefaults_ds_def[] =
-{
- /* max = 2^63 - 1 */
- "DS:minflt:COUNTER:"COLLECTD_HEARTBEAT":0:9223372036854775807",
- "DS:majflt:COUNTER:"COLLECTD_HEARTBEAT":0:9223372036854775807",
- NULL
-};
-static int ps_pagefaults_ds_num = 2;
+#define BUFSIZE 256
-#if HAVE_THREAD_INFO | KERNEL_LINUX
-static char *config_keys[] =
+static const char *config_keys[] =
{
"Process",
- NULL
+ "ProcessMatch"
};
-static int config_keys_num = 1;
-#endif
+static int config_keys_num = STATIC_ARRAY_SIZE (config_keys);
typedef struct procstat_entry_s
{
unsigned long num_proc;
unsigned long num_lwp;
+ unsigned long vmem_size;
unsigned long vmem_rss;
+ unsigned long stack_size;
unsigned long vmem_minflt;
unsigned long vmem_majflt;
typedef struct procstat
{
char name[PROCSTAT_NAME_LEN];
+#if HAVE_REGEX_H
+ regex_t *re;
+#endif
unsigned long num_proc;
unsigned long num_lwp;
+ unsigned long vmem_size;
unsigned long vmem_rss;
+ unsigned long stack_size;
unsigned long vmem_minflt_counter;
unsigned long vmem_majflt_counter;
struct procstat_entry_s *instances;
} procstat_t;
-#if HAVE_THREAD_INFO | KERNEL_LINUX
static procstat_t *list_head_g = NULL;
-#endif
#if HAVE_THREAD_INFO
static mach_port_t port_host_self;
#elif KERNEL_LINUX
static long pagesize_g;
-#endif /* KERNEL_LINUX */
+/* #endif KERNEL_LINUX */
-#if HAVE_THREAD_INFO | KERNEL_LINUX
-static void ps_list_register (const char *name)
+#elif HAVE_LIBKVM_GETPROCS
+/* no global variables */
+#endif /* HAVE_LIBKVM_GETPROCS */
+
+/* put name of process from config to list_head_g tree
+ list_head_g is a list of 'procstat_t' structs with
+ processes names we want to watch */
+static void ps_list_register (const char *name, const char *regexp)
{
procstat_t *new;
procstat_t *ptr;
+ int status;
- if ((new = (procstat_t *) malloc (sizeof (procstat_t))) == NULL)
+ new = (procstat_t *) malloc (sizeof (procstat_t));
+ if (new == NULL)
+ {
+ ERROR ("processes plugin: ps_list_register: malloc failed.");
return;
+ }
memset (new, 0, sizeof (procstat_t));
- strncpy (new->name, name, PROCSTAT_NAME_LEN);
+ sstrncpy (new->name, name, sizeof (new->name));
+#if HAVE_REGEX_H
+ if (regexp != NULL)
+ {
+ DEBUG ("ProcessMatch: adding \"%s\" as criteria to process %s.", regexp, name);
+ new->re = (regex_t *) malloc (sizeof (regex_t));
+ if (new->re == NULL)
+ {
+ ERROR ("processes plugin: ps_list_register: malloc failed.");
+ sfree (new);
+ return;
+ }
+
+ status = regcomp (new->re, regexp, REG_EXTENDED | REG_NOSUB);
+ if (status != 0)
+ {
+ DEBUG ("ProcessMatch: compiling the regular expression \"%s\" failed.", regexp);
+ sfree(new->re);
+ return;
+ }
+ }
+#else
+ if (regexp != NULL)
+ {
+ ERROR ("processes plugin: ps_list_register: "
+ "Regular expression \"%s\" found in config "
+ "file, but support for regular expressions "
+ "has been dispabled at compile time.",
+ regexp);
+ sfree (new);
+ return;
+ }
+#endif
+
for (ptr = list_head_g; ptr != NULL; ptr = ptr->next)
{
if (strcmp (ptr->name, name) == 0)
+ {
+ WARNING ("processes plugin: You have configured more "
+ "than one `Process' or "
+ "`ProcessMatch' with the same name. "
+ "All but the first setting will be "
+ "ignored.");
+ sfree (new->re);
+ sfree (new);
return;
+ }
+
if (ptr->next == NULL)
break;
}
list_head_g = new;
else
ptr->next = new;
-}
+} /* void ps_list_register */
-static procstat_t *ps_list_search (const char *name)
+/* try to match name against entry, returns 1 if success */
+static int ps_list_match (const char *name, const char *cmdline, procstat_t *ps)
{
- procstat_t *ptr;
+#if HAVE_REGEX_H
+ if (ps->re != NULL)
+ {
+ int status;
+ const char *str;
- for (ptr = list_head_g; ptr != NULL; ptr = ptr->next)
- if (strcmp (ptr->name, name) == 0)
- break;
+ str = cmdline;
+ if ((str == NULL) || (str[0] == 0))
+ str = name;
- return (ptr);
-}
+ assert (str != NULL);
+
+ status = regexec (ps->re, str,
+ /* nmatch = */ 0,
+ /* pmatch = */ NULL,
+ /* eflags = */ 0);
+ if (status == 0)
+ return (1);
+ }
+ else
+#endif
+ if (strcmp (ps->name, name) == 0)
+ return (1);
-static void ps_list_add (const char *name, procstat_entry_t *entry)
+ return (0);
+} /* int ps_list_match */
+
+/* add process entry to 'instances' of process 'name' (or refresh it) */
+static void ps_list_add (const char *name, const char *cmdline, procstat_entry_t *entry)
{
procstat_t *ps;
procstat_entry_t *pse;
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))
+ for (ps = list_head_g; ps != NULL; ps = ps->next)
{
- 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;
- }
-
- 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 ((ps_list_match (name, cmdline, ps)) == 0)
+ continue;
- if ((entry->vmem_minflt_counter == 0)
- && (entry->vmem_majflt_counter == 0))
- {
- pse->vmem_minflt_counter += entry->vmem_minflt;
- pse->vmem_minflt = entry->vmem_minflt;
+ for (pse = ps->instances; pse != NULL; pse = pse->next)
+ if ((pse->id == entry->id) || (pse->next == NULL))
+ break;
- 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
+ if ((pse == NULL) || (pse->id != entry->id))
{
- pse->vmem_minflt = entry->vmem_minflt_counter - pse->vmem_minflt_counter;
+ 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;
}
- pse->vmem_minflt_counter = entry->vmem_minflt_counter;
- if (entry->vmem_majflt_counter < pse->vmem_majflt_counter)
+ pse->age = 0;
+ pse->num_proc = entry->num_proc;
+ pse->num_lwp = entry->num_lwp;
+ pse->vmem_size = entry->vmem_size;
+ pse->vmem_rss = entry->vmem_rss;
+ pse->stack_size = entry->stack_size;
+
+ ps->num_proc += pse->num_proc;
+ ps->num_lwp += pse->num_lwp;
+ ps->vmem_size += pse->vmem_size;
+ ps->vmem_rss += pse->vmem_rss;
+ ps->stack_size += pse->stack_size;
+
+ if ((entry->vmem_minflt_counter == 0)
+ && (entry->vmem_majflt_counter == 0))
{
- pse->vmem_majflt = entry->vmem_majflt_counter
- + (ULONG_MAX - pse->vmem_majflt_counter);
+ pse->vmem_minflt_counter += entry->vmem_minflt;
+ pse->vmem_minflt = entry->vmem_minflt;
+
+ pse->vmem_majflt_counter += entry->vmem_majflt;
+ pse->vmem_majflt = entry->vmem_majflt;
}
else
{
- pse->vmem_majflt = entry->vmem_majflt_counter - pse->vmem_majflt_counter;
+ 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 (entry->vmem_majflt_counter < pse->vmem_majflt_counter)
+ {
+ 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;
}
- pse->vmem_majflt_counter = entry->vmem_majflt_counter;
- }
- 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;
+ ps->vmem_minflt_counter += pse->vmem_minflt;
+ ps->vmem_majflt_counter += pse->vmem_majflt;
- pse->cpu_system_counter += entry->cpu_system;
- pse->cpu_system = entry->cpu_system;
- }
- else
- {
- if (entry->cpu_user_counter < pse->cpu_user_counter)
+ if ((entry->cpu_user_counter == 0)
+ && (entry->cpu_system_counter == 0))
{
- 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;
+ pse->cpu_user_counter += entry->cpu_user;
+ pse->cpu_user = entry->cpu_user;
- if (entry->cpu_system_counter < pse->cpu_system_counter)
- {
- pse->cpu_system = entry->cpu_system_counter
- + (ULONG_MAX - pse->cpu_system_counter);
+ pse->cpu_system_counter += entry->cpu_system;
+ pse->cpu_system = entry->cpu_system;
}
else
{
- pse->cpu_system = entry->cpu_system_counter - pse->cpu_system_counter;
+ if (entry->cpu_user_counter < pse->cpu_user_counter)
+ {
+ 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;
+
+ 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;
}
- pse->cpu_system_counter = entry->cpu_system_counter;
- }
- ps->cpu_user_counter += pse->cpu_user;
- ps->cpu_system_counter += pse->cpu_system;
+ ps->cpu_user_counter += pse->cpu_user;
+ ps->cpu_system_counter += pse->cpu_system;
+ }
}
+/* remove old entries from instances of processes in list_head_g */
static void ps_list_reset (void)
{
procstat_t *ps;
{
ps->num_proc = 0;
ps->num_lwp = 0;
+ ps->vmem_size = 0;
ps->vmem_rss = 0;
+ ps->stack_size = 0;
pse_prev = NULL;
pse = ps->instances;
{
if (pse->age > 10)
{
- DBG ("Removing this procstat entry cause it's too old: "
+ DEBUG ("Removing this procstat entry cause it's too old: "
"id = %lu; name = %s;",
pse->id, ps->name);
} /* for (ps = list_head_g; ps != NULL; ps = ps->next) */
}
-static int ps_config (char *key, char *value)
+/* put all pre-defined 'Process' names from config to list_head_g tree */
+static int ps_config (const char *key, const char *value)
{
if (strcasecmp (key, "Process") == 0)
{
- ps_list_register (value);
+ ps_list_register (value, NULL);
+ }
+ else if (strcasecmp (key, "ProcessMatch") == 0)
+ {
+ char *new_val;
+ char *fields[3];
+ int fields_num;
+
+ new_val = strdup (value);
+ if (new_val == NULL) {
+ ERROR ("processes plugin: strdup failed when processing "
+ "`ProcessMatch %s'.", value);
+ return (1);
+ }
+
+ fields_num = strsplit (new_val, fields,
+ STATIC_ARRAY_SIZE (fields));
+ if (fields_num != 2)
+ {
+ ERROR ("processes plugin: `ProcessMatch' needs exactly "
+ "two string arguments.");
+ sfree (new_val);
+ return (1);
+ }
+ ps_list_register (fields[0], fields[1]);
+ sfree (new_val);
}
else
{
+ ERROR ("processes plugin: The `%s' configuration option is not "
+ "understood and will be ignored.", key);
return (-1);
}
return (0);
}
-#endif /* HAVE_THREAD_INFO | KERNEL_LINUX */
-static void ps_init (void)
+static int ps_init (void)
{
#if HAVE_THREAD_INFO
kern_return_t status;
&pset_list,
&pset_list_len)) != KERN_SUCCESS)
{
- syslog (LOG_ERR, "host_processor_sets failed: %s\n",
+ ERROR ("host_processor_sets failed: %s\n",
mach_error_string (status));
pset_list = NULL;
pset_list_len = 0;
- return;
+ return (-1);
}
/* #endif HAVE_THREAD_INFO */
#elif KERNEL_LINUX
pagesize_g = sysconf(_SC_PAGESIZE);
- DBG ("pagesize_g = %li; CONFIG_HZ = %i;",
+ DEBUG ("pagesize_g = %li; CONFIG_HZ = %i;",
pagesize_g, CONFIG_HZ);
-#endif /* KERNEL_LINUX */
+/* #endif KERNEL_LINUX */
- return;
-}
-
-static void ps_write (char *host, char *inst, char *val)
-{
- rrd_update_file (host, processes_file, val,
- processes_ds_def, processes_ds_num);
-}
-
-static void ps_rss_write (char *host, char *inst, char *val)
-{
- char filename[256];
- int status;
+#elif HAVE_LIBKVM_GETPROCS
+/* no initialization */
+#endif /* HAVE_LIBKVM_GETPROCS */
- status = snprintf (filename, 256, ps_rss_file, inst);
- if ((status < 1) || (status >= 256))
- return;
-
- rrd_update_file (host, filename, val, ps_rss_ds_def, ps_rss_ds_num);
-}
-
-static void ps_cputime_write (char *host, char *inst, char *val)
-{
- char filename[256];
- int status;
-
- status = snprintf (filename, 256, ps_cputime_file, inst);
- if ((status < 1) || (status >= 256))
- return;
-
- DBG ("host = %s; filename = %s; val = %s;",
- host, filename, val);
- rrd_update_file (host, filename, val,
- ps_cputime_ds_def, ps_cputime_ds_num);
-}
-
-static void ps_count_write (char *host, char *inst, char *val)
-{
- char filename[256];
- int status;
-
- status = snprintf (filename, 256, ps_count_file, inst);
- if ((status < 1) || (status >= 256))
- return;
-
- DBG ("host = %s; filename = %s; val = %s;",
- host, filename, val);
- rrd_update_file (host, filename, val,
- ps_count_ds_def, ps_count_ds_num);
-}
-
-static void ps_pagefaults_write (char *host, char *inst, char *val)
-{
- char filename[256];
- int status;
-
- status = snprintf (filename, 256, ps_pagefaults_file, inst);
- if ((status < 1) || (status >= 256))
- return;
-
- DBG ("host = %s; filename = %s; val = %s;",
- host, filename, val);
- rrd_update_file (host, filename, val,
- ps_pagefaults_ds_def, ps_pagefaults_ds_num);
-}
+ return (0);
+} /* int ps_init */
-#if PROCESSES_HAVE_READ
-static void ps_submit (int running,
- int sleeping,
- int zombies,
- int stopped,
- int paging,
- int blocked)
+/* submit global state (e.g.: qty of zombies, running, etc..) */
+static void ps_submit_state (const char *state, double value)
{
- char buf[BUFSIZE];
+ value_t values[1];
+ value_list_t vl = VALUE_LIST_INIT;
- if (snprintf (buf, BUFSIZE, "%u:%i:%i:%i:%i:%i:%i",
- (unsigned int) curtime,
- running, sleeping, zombies, stopped, paging,
- blocked) >= BUFSIZE)
- return;
+ values[0].gauge = value;
- DBG ("running = %i; sleeping = %i; zombies = %i; stopped = %i; paging = %i; blocked = %i;",
- running, sleeping, zombies, stopped, paging, blocked);
+ vl.values = values;
+ vl.values_len = 1;
+ sstrncpy (vl.host, hostname_g, sizeof (vl.host));
+ sstrncpy (vl.plugin, "processes", sizeof (vl.plugin));
+ sstrncpy (vl.plugin_instance, "", sizeof (vl.plugin_instance));
+ sstrncpy (vl.type, "ps_state", sizeof (vl.type));
+ sstrncpy (vl.type_instance, state, sizeof (vl.type_instance));
- plugin_submit (MODULE_NAME, "-", buf);
+ plugin_dispatch_values (&vl);
}
+/* submit info about specific process (e.g.: memory taken, cpu usage, etc..) */
static void ps_submit_proc_list (procstat_t *ps)
{
- char buffer[64];
-
- if (ps == NULL)
- return;
-
- snprintf (buffer, 64, "%u:%lu",
- (unsigned int) curtime,
- ps->vmem_rss);
- buffer[63] = '\0';
- plugin_submit ("ps_rss", ps->name, buffer);
-
- snprintf (buffer, 64, "%u:%u:%u",
- (unsigned int) curtime,
- /* Make the counter overflow */
- (unsigned int) (ps->cpu_user_counter & 0xFFFFFFFF),
- (unsigned int) (ps->cpu_system_counter & 0xFFFFFFFF));
- buffer[63] = '\0';
- plugin_submit ("ps_cputime", ps->name, buffer);
-
- snprintf (buffer, 64, "%u:%lu:%lu",
- (unsigned int) curtime,
- ps->num_proc, ps->num_lwp);
- buffer[63] = '\0';
- plugin_submit ("ps_count", ps->name, buffer);
-
- snprintf (buffer, 64, "%u:%lu:%lu",
- (unsigned int) curtime,
- ps->vmem_minflt_counter, ps->vmem_majflt_counter);
- buffer[63] = '\0';
- plugin_submit ("ps_pagefaults", ps->name, buffer);
-
- DBG ("name = %s; num_proc = %lu; num_lwp = %lu; vmem_rss = %lu; "
+ value_t values[2];
+ value_list_t vl = VALUE_LIST_INIT;
+
+ vl.values = values;
+ vl.values_len = 2;
+ sstrncpy (vl.host, hostname_g, sizeof (vl.host));
+ sstrncpy (vl.plugin, "processes", sizeof (vl.plugin));
+ sstrncpy (vl.plugin_instance, ps->name, sizeof (vl.plugin_instance));
+
+ sstrncpy (vl.type, "ps_vm", sizeof (vl.type));
+ vl.values[0].gauge = ps->vmem_size;
+ vl.values_len = 1;
+ plugin_dispatch_values (&vl);
+
+ sstrncpy (vl.type, "ps_rss", sizeof (vl.type));
+ vl.values[0].gauge = ps->vmem_rss;
+ vl.values_len = 1;
+ plugin_dispatch_values (&vl);
+
+ sstrncpy (vl.type, "ps_stacksize", sizeof (vl.type));
+ vl.values[0].gauge = ps->stack_size;
+ vl.values_len = 1;
+ plugin_dispatch_values (&vl);
+
+ sstrncpy (vl.type, "ps_cputime", sizeof (vl.type));
+ vl.values[0].counter = ps->cpu_user_counter;
+ vl.values[1].counter = ps->cpu_system_counter;
+ vl.values_len = 2;
+ plugin_dispatch_values (&vl);
+
+ sstrncpy (vl.type, "ps_count", sizeof (vl.type));
+ vl.values[0].gauge = ps->num_proc;
+ vl.values[1].gauge = ps->num_lwp;
+ vl.values_len = 2;
+ plugin_dispatch_values (&vl);
+
+ sstrncpy (vl.type, "ps_pagefaults", sizeof (vl.type));
+ vl.values[0].counter = ps->vmem_minflt_counter;
+ vl.values[1].counter = ps->vmem_majflt_counter;
+ vl.values_len = 2;
+ plugin_dispatch_values (&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);
-
-}
+ ps->vmem_minflt_counter, ps->vmem_majflt_counter,
+ ps->cpu_user_counter, ps->cpu_system_counter);
+} /* void ps_submit_proc_list */
+/* ------- additional functions for KERNEL_LINUX/HAVE_THREAD_INFO ------- */
#if KERNEL_LINUX
static int *ps_read_tasks (int pid)
{
DIR *dh;
struct dirent *ent;
- snprintf (dirname, 64, "/proc/%i/task", pid);
- dirname[63] = '\0';
+ ssnprintf (dirname, sizeof (dirname), "/proc/%i/task", pid);
if ((dh = opendir (dirname)) == NULL)
{
- DBG ("Failed to open directory `%s'", dirname);
+ DEBUG ("Failed to open directory `%s'", dirname);
return (NULL);
}
{
if (list != NULL)
free (list);
- syslog (LOG_ERR, "processes plugin: "
+ ERROR ("processes plugin: "
"Failed to allocate more memory.");
return (NULL);
}
{
char filename[64];
char buffer[1024];
- FILE *fh;
char *fields[64];
char fields_len;
long long unsigned cpu_user_counter;
long long unsigned cpu_system_counter;
+ long long unsigned vmem_size;
long long unsigned vmem_rss;
+ long long unsigned stack_size;
memset (ps, 0, sizeof (procstat_t));
- snprintf (filename, 64, "/proc/%i/stat", pid);
- filename[63] = '\0';
+ ssnprintf (filename, sizeof (filename), "/proc/%i/stat", pid);
- if ((fh = fopen (filename, "r")) == NULL)
+ i = read_file_contents (filename, buffer, sizeof(buffer) - 1);
+ if (i <= 0)
return (-1);
-
- if (fgets (buffer, 1024, fh) == NULL)
- {
- fclose (fh);
- return (-1);
- }
-
- fclose (fh);
+ buffer[i] = 0;
fields_len = strsplit (buffer, fields, 64);
if (fields_len < 24)
{
- DBG ("`%s' has only %i fields..",
- filename, fields_len);
+ DEBUG ("processes plugin: ps_read_process (pid = %i):"
+ " `%s' has only %i fields..",
+ (int) pid, filename, fields_len);
return (-1);
}
- else if (fields_len != 41)
- {
- DBG ("WARNING: (fields_len = %i) != 41", fields_len);
- }
/* copy the name, strip brackets in the process */
name_len = strlen (fields[1]) - 2;
if ((fields[1][0] != '(') || (fields[1][name_len + 1] != ')'))
{
- DBG ("No brackets found in process name: `%s'", fields[1]);
+ DEBUG ("No brackets found in process name: `%s'", fields[1]);
return (-1);
}
fields[1] = fields[1] + 1;
ppid = atoi (fields[3]);
- *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;
- }
+ *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;
tasks = NULL;
}
- /* Leave the rest at zero if this is only a zombi */
+ /* Leave the rest at zero if this is only a zombi */
if (ps->num_proc == 0)
{
- DBG ("This is only a zombi: pid = %i; name = %s;",
- pid, ps->name);
+ DEBUG ("processes plugin: 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]);
+ vmem_size = atoll (fields[22]);
+ vmem_rss = atoll (fields[23]);
ps->vmem_minflt_counter = atol (fields[9]);
ps->vmem_majflt_counter = atol (fields[11]);
-
+
+ {
+ unsigned long long stack_start = atoll (fields[27]);
+ unsigned long long stack_ptr = atoll (fields[28]);
+
+ stack_size = (stack_start > stack_ptr)
+ ? stack_start - stack_ptr
+ : stack_ptr - stack_start;
+ }
+
/* Convert jiffies to useconds */
cpu_user_counter = cpu_user_counter * 1000000 / CONFIG_HZ;
cpu_system_counter = cpu_system_counter * 1000000 / CONFIG_HZ;
ps->cpu_user_counter = (unsigned long) cpu_user_counter;
ps->cpu_system_counter = (unsigned long) cpu_system_counter;
+ ps->vmem_size = (unsigned long) vmem_size;
ps->vmem_rss = (unsigned long) vmem_rss;
+ ps->stack_size = (unsigned long) stack_size;
/* success */
return (0);
} /* int ps_read_process (...) */
+
+static char *ps_get_cmdline (pid_t pid, char *name, char *buf, size_t buf_len)
+{
+ char *buf_ptr;
+ size_t len;
+
+ char file[PATH_MAX];
+ int fd;
+
+ size_t n;
+
+ if ((pid < 1) || (NULL == buf) || (buf_len < 2))
+ return NULL;
+
+ ssnprintf (file, sizeof (file), "/proc/%u/cmdline", pid);
+
+ fd = open (file, O_RDONLY);
+ if (fd < 0) {
+ char errbuf[4096];
+ WARNING ("processes plugin: Failed to open `%s': %s.", file,
+ sstrerror (errno, errbuf, sizeof (errbuf)));
+ return NULL;
+ }
+
+ buf_ptr = buf;
+ len = buf_len;
+
+ n = 0;
+
+ while (42) {
+ ssize_t status;
+
+ status = read (fd, (void *)buf_ptr, len);
+
+ if (status < 0) {
+ char errbuf[4096];
+
+ if ((EAGAIN == errno) || (EINTR == errno))
+ continue;
+
+ WARNING ("processes plugin: Failed to read from `%s': %s.", file,
+ sstrerror (errno, errbuf, sizeof (errbuf)));
+ close (fd);
+ return NULL;
+ }
+
+ n += status;
+
+ if (status == 0)
+ break;
+
+ buf_ptr += status;
+ len -= status;
+
+ if (len <= 0)
+ break;
+ }
+
+ close (fd);
+
+ if (0 == n) {
+ /* cmdline not available; e.g. kernel thread, zombie */
+ if (NULL == name)
+ return NULL;
+
+ ssnprintf (buf, buf_len, "[%s]", name);
+ return buf;
+ }
+
+ assert (n <= buf_len);
+
+ if (n == buf_len)
+ --n;
+ buf[n] = '\0';
+
+ --n;
+ /* remove trailing whitespace */
+ while ((n > 0) && (isspace (buf[n]) || ('\0' == buf[n]))) {
+ buf[n] = '\0';
+ --n;
+ }
+
+ /* arguments are separated by '\0' in /proc/<pid>/cmdline */
+ while (n > 0) {
+ if ('\0' == buf[n])
+ buf[n] = ' ';
+ --n;
+ }
+ return buf;
+} /* char *ps_get_cmdline (...) */
#endif /* KERNEL_LINUX */
#if HAVE_THREAD_INFO
strncpy (name, kp.kp_proc.p_comm, name_max_len - 1);
name[name_max_len - 1] = '\0';
- DBG ("pid = %i; name = %s;", *pid, name);
+ 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
return (0);
}
#endif /* HAVE_THREAD_INFO */
+/* ------- end of additional functions for KERNEL_LINUX/HAVE_THREAD_INFO ------- */
-static void ps_read (void)
+/* do actual readings from kernel */
+static int ps_read (void)
{
#if HAVE_THREAD_INFO
kern_return_t status;
pset_list[pset],
&port_pset_priv)) != KERN_SUCCESS)
{
- syslog (LOG_ERR, "host_processor_set_priv failed: %s\n",
+ ERROR ("host_processor_set_priv failed: %s\n",
mach_error_string (status));
continue;
}
&task_list,
&task_list_len)) != KERN_SUCCESS)
{
- syslog (LOG_ERR, "processor_set_tasks failed: %s\n",
+ ERROR ("processor_set_tasks failed: %s\n",
mach_error_string (status));
mach_port_deallocate (port_task_self, port_pset_priv);
continue;
if (mach_get_task_name (task_list[task],
&task_pid,
task_name, PROCSTAT_NAME_LEN) == 0)
- ps = ps_list_search (task_name);
+ {
+ /* search for at least one match */
+ for (ps = list_head_g; ps != NULL; ps = ps->next)
+ /* FIXME: cmdline should be here instead of NULL */
+ if (ps_list_match (task_name, NULL, ps) == 1)
+ break;
+ }
/* Collect more detailed statistics for this process */
if (ps != NULL)
&task_basic_info_len);
if (status != KERN_SUCCESS)
{
- syslog (LOG_ERR, "task_info failed: %s",
+ ERROR ("task_info failed: %s",
mach_error_string (status));
continue; /* with next thread_list */
}
&task_events_info_len);
if (status != KERN_SUCCESS)
{
- syslog (LOG_ERR, "task_info failed: %s",
+ ERROR ("task_info failed: %s",
mach_error_string (status));
continue; /* with next thread_list */
}
&task_absolutetime_info_len);
if (status != KERN_SUCCESS)
{
- syslog (LOG_ERR, "task_info failed: %s",
+ ERROR ("task_info failed: %s",
mach_error_string (status));
continue; /* with next thread_list */
}
* thread is nonsense, since the task/process
* is dead. */
zombies++;
- DBG ("task_threads failed: %s",
+ DEBUG ("task_threads failed: %s",
mach_error_string (status));
if (task_list[task] != port_task_self)
mach_port_deallocate (port_task_self,
&thread_data_len);
if (status != KERN_SUCCESS)
{
- syslog (LOG_ERR, "thread_info failed: %s",
+ ERROR ("thread_info failed: %s",
mach_error_string (status));
if (task_list[task] != port_task_self)
mach_port_deallocate (port_task_self,
* There's only zombie tasks, which are
* handled above. */
default:
- syslog (LOG_WARNING,
- "Unknown thread status: %s",
+ WARNING ("Unknown thread status: %i",
thread_data.run_state);
break;
} /* switch (thread_data.run_state) */
status = mach_port_deallocate (port_task_self,
thread_list[thread]);
if (status != KERN_SUCCESS)
- syslog (LOG_ERR, "mach_port_deallocate failed: %s",
+ ERROR ("mach_port_deallocate failed: %s",
mach_error_string (status));
}
} /* for (thread_list) */
thread_list_len * sizeof (thread_act_t)))
!= KERN_SUCCESS)
{
- syslog (LOG_ERR, "vm_deallocate failed: %s",
+ ERROR ("vm_deallocate failed: %s",
mach_error_string (status));
}
thread_list = NULL;
status = mach_port_deallocate (port_task_self,
task_list[task]);
if (status != KERN_SUCCESS)
- syslog (LOG_ERR, "mach_port_deallocate failed: %s",
+ ERROR ("mach_port_deallocate failed: %s",
mach_error_string (status));
}
if (ps != NULL)
- ps_list_add (task_name, &pse);
+ /* FIXME: cmdline should be here instead of NULL */
+ ps_list_add (task_name, NULL, &pse);
} /* for (task_list) */
if ((status = vm_deallocate (port_task_self,
(vm_address_t) task_list,
task_list_len * sizeof (task_t))) != KERN_SUCCESS)
{
- syslog (LOG_ERR, "vm_deallocate failed: %s",
+ ERROR ("vm_deallocate failed: %s",
mach_error_string (status));
}
task_list = NULL;
if ((status = mach_port_deallocate (port_task_self, port_pset_priv))
!= KERN_SUCCESS)
{
- syslog (LOG_ERR, "mach_port_deallocate failed: %s",
+ ERROR ("mach_port_deallocate failed: %s",
mach_error_string (status));
}
} /* for (pset_list) */
- ps_submit (running, sleeping, zombies, stopped, -1, blocked);
+ 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);
DIR *proc;
int pid;
+ char cmdline[ARG_MAX];
+
int status;
procstat_t ps;
procstat_entry_t pse;
if ((proc = opendir ("/proc")) == NULL)
{
- syslog (LOG_ERR, "Cannot open `/proc': %s", strerror (errno));
- return;
+ char errbuf[1024];
+ ERROR ("Cannot open `/proc': %s",
+ sstrerror (errno, errbuf, sizeof (errbuf)));
+ return (-1);
}
while ((ent = readdir (proc)) != NULL)
status = ps_read_process (pid, &ps, &state);
if (status != 0)
{
- DBG ("ps_read_process failed: %i", status);
+ 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.num_proc = ps.num_proc;
+ pse.num_lwp = ps.num_lwp;
+ pse.vmem_size = ps.vmem_size;
+ pse.vmem_rss = ps.vmem_rss;
+ pse.stack_size = ps.stack_size;
pse.vmem_minflt = 0;
pse.vmem_minflt_counter = ps.vmem_minflt_counter;
case 'W': paging++; break;
}
- ps_list_add (ps.name, &pse);
+ ps_list_add (ps.name,
+ ps_get_cmdline (pid, ps.name, cmdline, sizeof (cmdline)),
+ &pse);
}
closedir (proc);
- ps_submit (running, sleeping, zombies, stopped, paging, blocked);
+ 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 */
-}
-#else
-# define ps_read NULL
-#endif /* PROCESSES_HAVE_READ */
+/* #endif KERNEL_LINUX */
+
+#elif HAVE_LIBKVM_GETPROCS
+ int running = 0;
+ int sleeping = 0;
+ int zombies = 0;
+ int stopped = 0;
+ int blocked = 0;
+ int idle = 0;
+ int wait = 0;
+
+ kvm_t *kd;
+ char errbuf[1024];
+ char cmdline[ARG_MAX];
+ char *cmdline_ptr;
+ struct kinfo_proc *procs; /* array of processes */
+ char **argv;
+ int count; /* returns number of processes */
+ int i;
+
+ procstat_t *ps_ptr;
+ procstat_entry_t pse;
+
+ ps_list_reset ();
+
+ /* Open the kvm interface, get a descriptor */
+ kd = kvm_open (NULL, NULL, NULL, 0, errbuf);
+ if (kd == NULL)
+ {
+ ERROR ("processes plugin: Cannot open kvm interface: %s",
+ errbuf);
+ return (0);
+ }
+
+ /* Get the list of processes. */
+ procs = kvm_getprocs(kd, KERN_PROC_ALL, 0, &count);
+ if (procs == NULL)
+ {
+ kvm_close (kd);
+ ERROR ("processes plugin: Cannot get kvm processes list: %s",
+ kvm_geterr(kd));
+ return (0);
+ }
+
+ /* Iterate through the processes in kinfo_proc */
+ for (i = 0; i < count; i++)
+ {
+ /* retrieve the arguments */
+ cmdline[0] = 0;
+ cmdline_ptr = NULL;
+
+ argv = kvm_getargv (kd, (const struct kinfo_proc *) &(procs[i]), 0);
+ if (argv != NULL)
+ {
+ int status;
+ int argc;
+
+ argc = 0;
+ while (argv[argc] != NULL)
+ argc++;
+
+ status = strjoin (cmdline, sizeof (cmdline),
+ argv, argc, " ");
+
+ if (status < 0)
+ {
+ WARNING ("processes plugin: Command line did "
+ "not fit into buffer.");
+ }
+ else
+ {
+ cmdline_ptr = &cmdline[0];
+ }
+ }
+
+ pse.id = procs[i].ki_pid;
+ pse.age = 0;
+
+ pse.num_proc = 1;
+ pse.num_lwp = procs[i].ki_numthreads;
+
+ pse.vmem_size = procs[i].ki_size;
+ pse.vmem_rss = procs[i].ki_rssize * getpagesize();
+ pse.stack_size = procs[i].ki_ssize * getpagesize();
+ pse.vmem_minflt = 0;
+ pse.vmem_minflt_counter = procs[i].ki_rusage.ru_minflt;
+ pse.vmem_majflt = 0;
+ pse.vmem_majflt_counter = procs[i].ki_rusage.ru_majflt;
+
+ pse.cpu_user = 0;
+ pse.cpu_user_counter = procs[i].ki_rusage.ru_utime.tv_sec
+ * 1000
+ + procs[i].ki_rusage.ru_utime.tv_usec;
+ pse.cpu_system = 0;
+ pse.cpu_system_counter = procs[i].ki_rusage.ru_stime.tv_sec
+ * 1000
+ + procs[i].ki_rusage.ru_stime.tv_usec;
+
+ switch (procs[i].ki_stat)
+ {
+ case SSTOP: stopped++; break;
+ case SSLEEP: sleeping++; break;
+ case SRUN: running++; break;
+ case SIDL: idle++; break;
+ case SWAIT: wait++; break;
+ case SLOCK: blocked++; break;
+ case SZOMB: zombies++; break;
+ }
+
+ ps_list_add (procs[i].ki_comm, cmdline_ptr, &pse);
+ }
+
+ kvm_close(kd);
+
+ 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);
+ ps_submit_state ("idle", idle);
+ ps_submit_state ("wait", wait);
+
+ for (ps_ptr = list_head_g; ps_ptr != NULL; ps_ptr = ps_ptr->next)
+ ps_submit_proc_list (ps_ptr);
+#endif /* HAVE_LIBKVM_GETPROCS */
+
+ return (0);
+} /* int ps_read */
void module_register (void)
{
- plugin_register (MODULE_NAME, ps_init, ps_read, ps_write);
- plugin_register ("ps_rss", NULL, NULL, ps_rss_write);
- plugin_register ("ps_cputime", NULL, NULL, ps_cputime_write);
- plugin_register ("ps_count", NULL, NULL, ps_count_write);
- plugin_register ("ps_pagefaults", NULL, NULL, ps_pagefaults_write);
-#if HAVE_THREAD_INFO | KERNEL_LINUX
- cf_register (MODULE_NAME, ps_config, config_keys, config_keys_num);
-#endif
-}
-
-#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 */
projects / collectd.git / blobdiff