System-wide disk I/O counters

Description

Returns a data.frame of system-wide disk I/O counters.

Usage

ps_disk_io_counters()

Details

Includes the following non-NA fields for all supported platforms:

• read_count: number of reads

• write_count: number of writes

• read_bytes: number of bytes read

• write_bytes: number of bytes written

And for only some platforms:

• read_time: time spent reading from disk (in milliseconds)

• write_time: time spent writing to disk (in milliseconds)

• busy_time: time spent doing actual I/Os (in milliseconds)

• read_merged_count: number of merged reads (see iostats doc)

• write_merged_count: number of merged writes (see iostats doc)

Value

A data frame of one row per disk of I/O stats, with columns name, read_count read_merged_count read_bytes, read_time, write_count, write_merged_count, write_bytes write_time, and busy_time.

See Also

Other disk functions: ps_disk_partitions(), ps_disk_usage()

Examples

ps_disk_io_counters()