Get metrics from your base system about the CPU, IO, load, memory, swap, and uptime. Other system-related checks can be found here:
No configuration is necessary for the system.
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system.cpu.guest (gauge) |
The percent of time the CPU spent running the virtual processor. Only applies to hypervisors. shown as percent |
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system.cpu.idle (gauge) |
Percent of time the CPU spent in an idle state. shown as percent |
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system.cpu.interrupt (gauge) |
The percentage of time that the processor is spending on handling Interrupts. shown as percent |
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system.cpu.iowait (gauge) |
The percent of time the CPU spent waiting for IO operations to complete. shown as percent |
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system.cpu.stolen (gauge) |
The percent of time the virtual CPU spent waiting for the hypervisor to service another virtual CPU. Only applies to virtual machines. shown as percent |
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system.cpu.system (gauge) |
The percent of time the CPU spent running the kernel. shown as percent |
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system.cpu.user (gauge) |
The percent of time the CPU spent running user space processes. shown as percent |
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system.fs.file_handles.in_use (gauge) |
The amount of used allocated file handles over the system max. shown as fraction |
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system.fs.inodes.free (gauge) |
The number of free inodes. shown as inode |
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system.fs.inodes.in_use (gauge) |
The number of inodes in use as a fraction of the total. shown as fraction |
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system.fs.inodes.total (gauge) |
The total number of inodes. shown as inode |
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system.fs.inodes.used (gauge) |
The number of inodes in use. shown as inode |
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system.io.avg_q_sz (gauge) |
The average queue size of requests issued to the device. shown as request |
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system.io.avg_rq_sz (gauge) |
The average size of requests issued to the device. shown as sector |
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system.io.await (gauge) |
The average time for I/O requests issued to the device to be served. This includes the time spent by the requests in queue and the time spent servicing them. shown as millisecond |
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system.io.bytes_per_s (gauge) |
Byte transfer rate for this device. shown as byte |
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system.io.r_await (gauge) |
The average time for read requests issued to the device to be served. This includes the time spent by the requests in queue and the time spent servicing them. shown as millisecond |
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system.io.r_s (gauge) |
The number of read requests issued to the device per second. shown as request |
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system.io.rkb_s (gauge) |
The number of kibibytes read from the device per second. shown as kibibyte |
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system.io.rrqm_s (gauge) |
The number of read requests merged per second that were queued to the device. shown as request |
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system.io.svctm (gauge) |
The average service time for requests issued to the device. shown as millisecond |
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system.io.util (gauge) |
The percent of CPU time during which I/O requests were issued to the device shown as percent |
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system.io.w_await (gauge) |
The average time for write requests issued to the device to be served. This includes the time spent by the requests in queue and the time spent servicing them. shown as millisecond |
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system.io.w_s (gauge) |
The number of write requests issued to the device per second. shown as request |
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system.io.wkb_s (gauge) |
The number of kibibytes written to the device per second. shown as kibibyte |
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system.io.wrqm_s (gauge) |
The number of write requests merged per second that were queued to the device. shown as request |
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system.load.1 (gauge) |
The average system load over one minute. |
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system.load.15 (gauge) |
The average system load over fifteen minutes. |
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system.load.5 (gauge) |
The average system load over five minutes. |
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system.load.norm.1 (gauge) |
The average system load over one minute normalized by the number of CPUs. |
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system.load.norm.15 (gauge) |
The average system load over fifteen minutes normalized by the number of CPUs. |
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system.load.norm.5 (gauge) |
The average system load over five minutes normalized by the number of CPUs. |
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system.mem.buffered (gauge) |
The amount of physical RAM used for file buffers. shown as byte |
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system.mem.cached (gauge) |
The amount of physical RAM used as cache memory. shown as byte |
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system.mem.commit_limit (gauge) |
The total amount of memory currently available to be allocated on the system, based on the overcommit ratio. (Linux only) shown as byte |
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system.mem.committed (gauge) |
The amount of physical memory for which space has been reserved on the disk paging file in case it must be written back to disk. shown as byte |
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system.mem.committed_as (gauge) |
The amount of memory presently allocated on the system, even if it has not been "used" by processes as of yet. (Linux only) shown as byte |
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system.mem.free (gauge) |
The amount of free RAM. shown as byte |
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system.mem.nonpaged (gauge) |
The amount of physical memory used by the OS for objects that cannot be written to disk, but must remain in physical memory as long as they are allocated. shown as byte |
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system.mem.page_free (gauge) |
The amount of the page file that's free. shown as byte |
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system.mem.page_pct_free (gauge) |
The amount of the page file in use as a fraction of the total. shown as fraction |
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system.mem.page_tables (gauge) |
The amount of memory dedicated to the lowest page table level. shown as byte |
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system.mem.page_total (gauge) |
The total size of the page file shown as byte |
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system.mem.page_used (gauge) |
The amount of the page file in use. shown as byte |
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system.mem.paged (gauge) |
The amount of physical memory used by the OS for objects that can be written to disk when they are not in use. shown as byte |
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system.mem.pagefile.free (gauge) |
The amount of the page file that's free. shown as byte |
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system.mem.pagefile.pct_free (gauge) |
The amount of the page file that's free as a fraction of the total. shown as fraction |
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system.mem.pagefile.total (gauge) |
The total size of the page file shown as byte |
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system.mem.pagefile.used (gauge) |
The amount of the page file in use. shown as byte |
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system.mem.pct_usable (gauge) |
The amount of usable physical RAM as a fraction of the total. shown as fraction |
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system.mem.shared (gauge) |
The amount of physical RAM used as shared memory. shown as byte |
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system.mem.slab (gauge) |
The amount of memory used by the kernel to cache data structures for its own use. shown as byte |
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system.mem.total (gauge) |
The total amount of physical RAM. shown as byte |
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system.mem.usable (gauge) |
Value of MemAvailable from /proc/meminfo if present, but falls back to adding free + buffered + cached memory if not. shown as byte |
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system.mem.used (gauge) |
The amount of RAM in use. shown as byte |
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system.swap.cached (gauge) |
The amount of swap used as cache memory. shown as byte |
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system.swap.free (gauge) |
The amount of free swap space. shown as byte |
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system.swap.pct_free (gauge) |
The amount of swap space not in use as a fraction of the total. shown as fraction |
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system.swap.total (gauge) |
The total amount of swap space. shown as byte |
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system.swap.used (gauge) |
The amount of swap space in use. shown as byte |
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system.uptime (gauge) |
The amount of time the system has been working and available. shown as second |
This check collects the number of CPU cores on a host and CPU times (i.e. system, user, idle, etc).
The system_core check is packaged with the Agent, so install the Agent on any host.
Create a file system_core.yaml in the Agent’s conf.d directory. See the sample system_core.yaml for all available configuration options:
init_config:
instances:
- foo: bar
The Agent just needs one item in instances in order to enable the check. The content of the item doesn’t matter.
Restart the Agent to enable the check.
Run the Agent’s info subcommand and look for system_core under the Checks section:
Checks
======
[...]
system_core
-------
- instance #0 [OK]
- Collected 5 metrics, 0 events & 0 service checks
[...]
The system_core check is compatible with all major platforms.
|
system.core.count (gauge) |
The number of CPU cores on the host shown as core |
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system.core.user (gauge) |
A given core's user-space CPU time |
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system.core.system (gauge) |
A given core's system CPU time |
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system.core.idle (gauge) |
A given core's idle CPU time |
Depending on the platform, the check may collect other CPU time metrics, e.g. system.core.interrupt on Windows, system.core.iowait on Linux, etc.
This check monitors the number of bytes a host has swapped in and swapped out.
The system swap check is packaged with the Agent, so install the Agent on any host.
Create a blank Agent check configuration file called system_swap.yaml in the Agent’s conf.d directory. See the sample system_swap.yaml for all available configuration options:
# This check takes no initial configuration
init_config:
instances: [{}]
Restart the Agent to start collecting swap metrics.
Run the Agent’s info subcommand and look for system_swap under the Checks section:
Checks
======
[...]
system_swap
-------
- instance #0 [OK]
- Collected 2 metrics, 0 events & 0 service checks
[...]
The system_swap check is compatible with all major platforms.
|
system.swap.swapped_in (gauge) |
Bytes of memory swapped in |
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system.swap.swapped_out (gauge) |
Bytes of memory swapped out |