Returns a data.frame of system-wide disk I/O counters.
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
.
Details
Includes the following non-NA fields for all supported platforms:
read_count
: number of readswrite_count
: number of writesread_bytes
: number of bytes readwrite_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)
See also
Other disk functions:
ps_disk_partitions()
,
ps_disk_usage()
Examples
ps_disk_io_counters()
#> # A data frame: 14 × 10
#> name read_count read_merged_count read_bytes read_time write_count
#> <chr> <dbl> <dbl> <dbl> <dbl> <dbl>
#> 1 loop0 0 4752 23040 0 0
#> 2 loop1 0 740 1536 0 0
#> 3 loop2 0 2208 3584 0 0
#> 4 loop3 0 28 512 0 0
#> 5 loop4 0 0 0 0 0
#> 6 loop5 0 0 0 0 0
#> 7 loop6 0 0 0 0 0
#> 8 loop7 0 0 0 0 0
#> 9 sda 19450 1982813 3473920 27855 74163
#> 10 sda1 18784 1964215 3449856 27853 74163
#> 11 sda14 0 976 7168 0 0
#> 12 sda15 666 15654 12288 2 0
#> 13 sdb 0 25786 59392 1795 1254
#> 14 sdb1 0 6834 32768 1795 1254
#> # ℹ 4 more variables: write_merged_count <dbl>, write_bytes <dbl>,
#> # write_time <dbl>, busy_time <dbl>