/**
* collectd - src/processes.c
* Copyright (C) 2005 Lyonel Vincent
- * Copyright (C) 2006 Florian Forster (Mach code)
+ * 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.. */
#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;
-
-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;
-
-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;
-
+#if PROCESSES_HAVE_READ
#if HAVE_THREAD_INFO | KERNEL_LINUX
-static char *config_keys[] =
+static const char *config_keys[] =
{
"Process",
NULL
{
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)
+static int ps_config (const char *key, const char *value)
{
if (strcasecmp (key, "Process") == 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 */
- 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;
-
- 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)
+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;
+ 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_submit (MODULE_NAME, "-", buf);
+ plugin_dispatch_values ("ps_state", &vl);
}
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;
+ 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);
-
-}
+ 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)
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);
}
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)
{
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;",
+ DEBUG ("This is only a zombi: pid = %i; name = %s;",
pid, ps->name);
return (0);
}
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
}
#endif /* HAVE_THREAD_INFO */
-static void ps_read (void)
+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;
&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: %s",
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));
}
(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);
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;
}
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
+
+ return (0);
+} /* int ps_read */
#endif /* PROCESSES_HAVE_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 PROCESSES_HAVE_READ
#if HAVE_THREAD_INFO | KERNEL_LINUX
- cf_register (MODULE_NAME, ps_config, config_keys, config_keys_num);
+ plugin_register_config ("processes", ps_config,
+ config_keys, config_keys_num);
#endif
-}
-
-#undef BUFSIZE
-#undef MODULE_NAME
+ plugin_register_init ("processes", ps_init);
+ plugin_register_read ("processes", ps_read);
+#endif /* PROCESSES_HAVE_READ */
+} /* void module_register */
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