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: 15 × 10
#> name read_count read_merged_count read_bytes read_time write_count
#> <chr> <dbl> <dbl> <dbl> <dbl> <dbl>
#> 1 loop0 0 28 0 0 0
#> 2 loop1 0 0 0 0 0
#> 3 loop2 0 0 0 0 0
#> 4 loop3 0 0 0 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 17081 2341333 4445696 31988 75871
#> 10 sda1 16381 2306311 4414464 31958 75845
#> 11 sda14 0 1264 4608 0 0
#> 12 sda15 666 18510 10752 2 0
#> 13 sda16 34 13280 10752 28 26
#> 14 sdb 0 25698 80896 5407 1263
#> 15 sdb1 0 23242 76288 5407 1263
#> # ℹ 4 more variables: write_merged_count <dbl>, write_bytes <dbl>,
#> # write_time <dbl>, busy_time <dbl>