From: Florian Forster Date: Wed, 31 Jan 2007 13:38:33 +0000 (+0100) Subject: processes plugin: Converted to the new plugin interface. X-Git-Tag: collectd-4.0.0~210 X-Git-Url: https://git.verplant.org/?a=commitdiff_plain;h=46e194ca88c0fdf515272d1a9d1862d9d05b0ce0;p=collectd.git processes plugin: Converted to the new plugin interface. A first version anyways. --- diff --git a/src/processes.c b/src/processes.c index c8f30168..b1f9fbbe 100644 --- a/src/processes.c +++ b/src/processes.c @@ -1,7 +1,7 @@ /** * 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 @@ -93,58 +93,65 @@ #define BUFSIZE 256 -static char *processes_file = "processes.rrd"; -static char *processes_ds_def[] = +static data_source_t state_dsrc[1] = { - "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 + {"value", DS_TYPE_GAUGE, 0.0, 65535.0} }; -static int processes_ds_num = 6; -static char *ps_rss_file = "processes/ps_rss-%s.rrd"; -static char *ps_rss_ds_def[] = +static data_set_t state_ds = +{ + "ps_state", 1, state_dsrc +}; + +static data_source_t rss_dsrc[1] = { /* max = 2^63 - 1 */ - "DS:byte:GAUGE:"COLLECTD_HEARTBEAT":0:9223372036854775807", - NULL + {"value", DS_TYPE_GAUGE, 0.0, 9223372036854775807.0} }; -static int ps_rss_ds_num = 1; -static char *ps_cputime_file = "processes/ps_cputime-%s.rrd"; -static char *ps_cputime_ds_def[] = +static data_set_t rss_ds = +{ + "ps_rss", 1, rss_dsrc +}; + +static data_source_t time_dsrc[2] = { /* 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 + {"user", DS_TYPE_COUNTER, 0.0, 1000000.0}, + {"syst", DS_TYPE_COUNTER, 0.0, 1000000.0} }; -static int ps_cputime_ds_num = 2; -static char *ps_count_file = "processes/ps_count-%s.rrd"; -static char *ps_count_ds_def[] = +static data_set_t time_ds = { - "DS:processes:GAUGE:"COLLECTD_HEARTBEAT":0:65535", - "DS:threads:GAUGE:"COLLECTD_HEARTBEAT":0:65535", - NULL + "ps_cputime", 2, time_dsrc +}; + +static data_source_t count_dsrc[2] = +{ + /* 1 second in user-mode per second ought to be enough.. */ + {"processes", DS_TYPE_GAUGE, 0.0, 1000000.0}, + {"threads", DS_TYPE_GAUGE, 0.0, 1000000.0} }; -static int ps_count_ds_num = 2; -static char *ps_pagefaults_file = "processes/ps_pagefaults-%s.rrd"; -static char *ps_pagefaults_ds_def[] = +static data_set_t count_ds = +{ + "ps_count", 2, count_dsrc +}; + +static data_source_t pagefaults_dsrc[2] = { /* max = 2^63 - 1 */ - "DS:minflt:COUNTER:"COLLECTD_HEARTBEAT":0:9223372036854775807", - "DS:majflt:COUNTER:"COLLECTD_HEARTBEAT":0:9223372036854775807", - NULL + {"minflt", DS_TYPE_COUNTER, 0.0, 9223372036854775807.0}, + {"majflt", DS_TYPE_COUNTER, 0.0, 9223372036854775807.0} }; -static int ps_pagefaults_ds_num = 2; -static char *config_keys[] = +static data_set_t pagefaults_ds = +{ + "ps_pagefaults", 2, pagefaults_dsrc +}; + +#if PROCESSES_HAVE_READ +static const char *config_keys[] = { "Process", NULL @@ -405,7 +412,7 @@ static void ps_list_reset (void) } #endif /* HAVE_THREAD_INFO | KERNEL_LINUX */ -static int ps_config (char *key, char *value) +static int ps_config (const char *key, const char *value) { if (strcasecmp (key, "Process") == 0) { @@ -419,7 +426,7 @@ static int ps_config (char *key, char *value) return (0); } -static void ps_init (void) +static int ps_init (void) { #if HAVE_THREAD_INFO kern_return_t status; @@ -444,7 +451,7 @@ static void ps_init (void) mach_error_string (status)); pset_list = NULL; pset_list_len = 0; - return; + return (-1); } /* #endif HAVE_THREAD_INFO */ @@ -454,135 +461,65 @@ static void ps_init (void) 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); + 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); + 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); + 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); DBG ("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) @@ -790,7 +727,7 @@ static int mach_get_task_name (task_t t, int *pid, char *name, size_t name_max_l } #endif /* HAVE_THREAD_INFO */ -static void ps_read (void) +static int ps_read (void) { #if HAVE_THREAD_INFO kern_return_t status; @@ -1037,7 +974,11 @@ static void ps_read (void) } } /* 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); @@ -1068,7 +1009,7 @@ static void ps_read (void) if ((proc = opendir ("/proc")) == NULL) { syslog (LOG_ERR, "Cannot open `/proc': %s", strerror (errno)); - return; + return (-1); } while ((ent = readdir (proc)) != NULL) @@ -1118,25 +1059,34 @@ static void ps_read (void) 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); - cf_register (MODULE_NAME, ps_config, config_keys, config_keys_num); + plugin_register_data_set (&state_ds); + plugin_register_data_set (&rss_ds); + plugin_register_data_set (&time_ds); + plugin_register_data_set (&count_ds ); + plugin_register_data_set (&pagefaults_ds ); + +#if PROCESSES_HAVE_READ + plugin_register_config ("processes", ps_config, + config_keys, config_keys_num); + plugin_register_init ("processes", ps_init); + plugin_register_read ("processes", ps_read); +#endif /* PROCESSES_HAVE_READ */ } -#undef BUFSIZE -#undef MODULE_NAME