2015-10-05 22:45:40 +00:00
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# Telegraf plugin: procstat
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#### Description
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2015-10-05 20:24:06 +00:00
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The procstat plugin can be used to monitor system resource usage by an
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2015-10-05 22:45:40 +00:00
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individual process using their /proc data.
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2015-10-05 20:24:06 +00:00
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2015-10-07 18:31:49 +00:00
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The plugin will tag processes by their PID and their process name.
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2015-10-05 20:24:06 +00:00
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Processes can be specified either by pid file or by executable name. Procstat
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plugin will use `pgrep` when executable name is provided to obtain the pid.
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Proctstas plugin will transmit IO, memory, cpu, file descriptor related
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measurements for every process specified. A prefix can be set to isolate
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individual process specific measurements.
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Example:
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```
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[procstat]
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[[procstat.specifications]]
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exe = "influxd"
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prefix = "influxd"
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2015-10-07 18:31:49 +00:00
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[[procstat.specifications]]
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pid_file = "/var/run/lxc/dnsmasq.pid"
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```
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2015-10-07 18:31:49 +00:00
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The above configuration would result in output like:
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```
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[...]
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> [name="dnsmasq" pid="44979"] procstat_cpu_user value=0.14
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> [name="dnsmasq" pid="44979"] procstat_cpu_system value=0.07
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[...]
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> [name="influxd" pid="34337"] procstat_influxd_cpu_user value=25.43
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> [name="influxd" pid="34337"] procstat_influxd_cpu_system value=21.82
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```
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# Measurements
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2015-10-07 18:31:49 +00:00
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Note: prefix can be set by the user, per process.
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File descriptor related measurement names:
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- procstat_[prefix_]num_fds value=4
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Context switch related measurement names:
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- procstat_[prefix_]voluntary_context_switches value=250
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- procstat_[prefix_]involuntary_context_switches value=0
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I/O related measurement names:
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- procstat_[prefix_]read_count value=396
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- procstat_[prefix_]write_count value=1
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- procstat_[prefix_]read_bytes value=1019904
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- procstat_[prefix_]write_bytes value=1
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CPU related measurement names:
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- procstat_[prefix_]cpu_user value=0
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- procstat_[prefix_]cpu_system value=0.01
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- procstat_[prefix_]cpu_idle value=0
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- procstat_[prefix_]cpu_nice value=0
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- procstat_[prefix_]cpu_iowait value=0
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- procstat_[prefix_]cpu_irq value=0
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- procstat_[prefix_]cpu_soft_irq value=0
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- procstat_[prefix_]cpu_soft_steal value=0
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- procstat_[prefix_]cpu_soft_stolen value=0
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- procstat_[prefix_]cpu_soft_guest value=0
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- procstat_[prefix_]cpu_soft_guest_nice value=0
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Memory related measurement names:
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- procstat_[prefix_]memory_rss value=1777664
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- procstat_[prefix_]memory_vms value=24227840
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- procstat_[prefix_]memory_swap value=282624
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