141 lines
6.8 KiB
Markdown
141 lines
6.8 KiB
Markdown
# Procstat Input Plugin
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The procstat plugin can be used to monitor the system resource usage of one or more processes.
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The procstat_lookup metric displays the query information,
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specifically the number of PIDs returned on a search
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Processes can be selected for monitoring using one of several methods:
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- pidfile
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- exe
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- pattern
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- user
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- systemd_unit
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- cgroup
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### Configuration:
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```toml
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# Monitor process cpu and memory usage
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[[inputs.procstat]]
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## PID file to monitor process
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pid_file = "/var/run/nginx.pid"
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## executable name (ie, pgrep <exe>)
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# exe = "nginx"
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## pattern as argument for pgrep (ie, pgrep -f <pattern>)
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# pattern = "nginx"
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## user as argument for pgrep (ie, pgrep -u <user>)
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# user = "nginx"
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## Systemd unit name
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# systemd_unit = "nginx.service"
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## CGroup name or path
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# cgroup = "systemd/system.slice/nginx.service"
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## override for process_name
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## This is optional; default is sourced from /proc/<pid>/status
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# process_name = "bar"
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## Field name prefix
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# prefix = ""
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## Add PID as a tag instead of a field; useful to differentiate between
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## processes whose tags are otherwise the same. Can create a large number
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## of series, use judiciously.
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# pid_tag = false
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## Method to use when finding process IDs. Can be one of 'pgrep', or
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## 'native'. The pgrep finder calls the pgrep executable in the PATH while
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## the native finder performs the search directly in a manor dependent on the
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## platform. Default is 'pgrep'
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# pid_finder = "pgrep"
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```
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#### Windows support
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Preliminary support for Windows has been added, however you may prefer using
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the `win_perf_counters` input plugin as a more mature alternative.
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When using the `pid_finder = "native"` in Windows, the pattern lookup method is
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implemented as a WMI query. The pattern allows fuzzy matching using only
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[WMI query patterns](https://msdn.microsoft.com/en-us/library/aa392263(v=vs.85).aspx):
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```toml
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[[inputs.procstat]]
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pattern = "%influx%"
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pid_finder = "native"
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```
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### Metrics:
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- procstat
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- tags:
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- pid (when `pid_tag` is true)
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- process_name
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- pidfile (when defined)
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- exe (when defined)
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- pattern (when defined)
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- user (when selected)
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- systemd_unit (when defined)
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- cgroup (when defined)
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- fields:
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- cpu_time (int)
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- cpu_time_guest (float)
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- cpu_time_guest_nice (float)
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- cpu_time_idle (float)
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- cpu_time_iowait (float)
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- cpu_time_irq (float)
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- cpu_time_nice (float)
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- cpu_time_soft_irq (float)
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- cpu_time_steal (float)
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- cpu_time_stolen (float)
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- cpu_time_system (float)
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- cpu_time_user (float)
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- cpu_usage (float)
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- involuntary_context_switches (int)
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- memory_data (int)
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- memory_locked (int)
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- memory_rss (int)
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- memory_stack (int)
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- memory_swap (int)
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- memory_vms (int)
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- nice_priority (int)
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- num_fds (int, *telegraf* may need to be ran as **root**)
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- num_threads (int)
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- pid (int)
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- read_bytes (int, *telegraf* may need to be ran as **root**)
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- read_count (int, *telegraf* may need to be ran as **root**)
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- realtime_priority (int)
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- rlimit_cpu_time_hard (int)
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- rlimit_cpu_time_soft (int)
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- rlimit_file_locks_hard (int)
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- rlimit_file_locks_soft (int)
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- rlimit_memory_data_hard (int)
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- rlimit_memory_data_soft (int)
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- rlimit_memory_locked_hard (int)
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- rlimit_memory_locked_soft (int)
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- rlimit_memory_rss_hard (int)
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- rlimit_memory_rss_soft (int)
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- rlimit_memory_stack_hard (int)
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- rlimit_memory_stack_soft (int)
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- rlimit_memory_vms_hard (int)
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- rlimit_memory_vms_soft (int)
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- rlimit_nice_priority_hard (int)
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- rlimit_nice_priority_soft (int)
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- rlimit_num_fds_hard (int)
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- rlimit_num_fds_soft (int)
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- rlimit_realtime_priority_hard (int)
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- rlimit_realtime_priority_soft (int)
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- rlimit_signals_pending_hard (int)
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- rlimit_signals_pending_soft (int)
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- signals_pending (int)
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- voluntary_context_switches (int)
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- write_bytes (int, *telegraf* may need to be ran as **root**)
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- write_count (int, *telegraf* may need to be ran as **root**)
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*NOTE: Resource limit > 2147483647 will be reported as 2147483647.*
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### Example Output:
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```
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procstat,pidfile=/var/run/lxc/dnsmasq.pid,process_name=dnsmasq rlimit_file_locks_soft=2147483647i,rlimit_signals_pending_hard=1758i,voluntary_context_switches=478i,read_bytes=307200i,cpu_time_user=0.01,cpu_time_guest=0,memory_swap=0i,memory_locked=0i,rlimit_num_fds_hard=4096i,rlimit_nice_priority_hard=0i,num_fds=11i,involuntary_context_switches=20i,read_count=23i,memory_rss=1388544i,rlimit_memory_rss_soft=2147483647i,rlimit_memory_rss_hard=2147483647i,nice_priority=20i,rlimit_cpu_time_hard=2147483647i,cpu_time=0i,write_bytes=0i,cpu_time_idle=0,cpu_time_nice=0,memory_data=229376i,memory_stack=135168i,rlimit_cpu_time_soft=2147483647i,rlimit_memory_data_hard=2147483647i,rlimit_memory_locked_hard=65536i,rlimit_signals_pending_soft=1758i,write_count=11i,cpu_time_iowait=0,cpu_time_steal=0,cpu_time_stolen=0,rlimit_memory_stack_soft=8388608i,cpu_time_system=0.02,cpu_time_guest_nice=0,rlimit_memory_locked_soft=65536i,rlimit_memory_vms_soft=2147483647i,rlimit_file_locks_hard=2147483647i,rlimit_realtime_priority_hard=0i,pid=828i,num_threads=1i,cpu_time_soft_irq=0,rlimit_memory_vms_hard=2147483647i,rlimit_realtime_priority_soft=0i,memory_vms=15884288i,rlimit_memory_stack_hard=2147483647i,cpu_time_irq=0,rlimit_memory_data_soft=2147483647i,rlimit_num_fds_soft=1024i,signals_pending=0i,rlimit_nice_priority_soft=0i,realtime_priority=0i
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procstat,exe=influxd,process_name=influxd rlimit_num_fds_hard=16384i,rlimit_signals_pending_hard=1758i,realtime_priority=0i,rlimit_memory_vms_hard=2147483647i,rlimit_signals_pending_soft=1758i,cpu_time_stolen=0,rlimit_memory_stack_hard=2147483647i,rlimit_realtime_priority_hard=0i,cpu_time=0i,pid=500i,voluntary_context_switches=975i,cpu_time_idle=0,memory_rss=3072000i,memory_locked=0i,rlimit_nice_priority_soft=0i,signals_pending=0i,nice_priority=20i,read_bytes=823296i,cpu_time_soft_irq=0,rlimit_memory_data_hard=2147483647i,rlimit_memory_locked_soft=65536i,write_count=8i,cpu_time_irq=0,memory_vms=33501184i,rlimit_memory_stack_soft=8388608i,cpu_time_iowait=0,rlimit_memory_vms_soft=2147483647i,rlimit_nice_priority_hard=0i,num_fds=29i,memory_data=229376i,rlimit_cpu_time_soft=2147483647i,rlimit_file_locks_soft=2147483647i,num_threads=1i,write_bytes=0i,cpu_time_steal=0,rlimit_memory_rss_hard=2147483647i,cpu_time_guest=0,cpu_time_guest_nice=0,cpu_usage=0,rlimit_memory_locked_hard=65536i,rlimit_file_locks_hard=2147483647i,involuntary_context_switches=38i,read_count=16851i,memory_swap=0i,rlimit_memory_data_soft=2147483647i,cpu_time_user=0.11,rlimit_cpu_time_hard=2147483647i,rlimit_num_fds_soft=16384i,rlimit_realtime_priority_soft=0i,cpu_time_system=0.27,cpu_time_nice=0,memory_stack=135168i,rlimit_memory_rss_soft=2147483647i
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```
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