diff options
Diffstat (limited to 'usr.bin/systat/systat.1')
-rw-r--r-- | usr.bin/systat/systat.1 | 21 |
1 files changed, 9 insertions, 12 deletions
diff --git a/usr.bin/systat/systat.1 b/usr.bin/systat/systat.1 index 64dfa35b871f..b035eb98fd18 100644 --- a/usr.bin/systat/systat.1 +++ b/usr.bin/systat/systat.1 @@ -304,17 +304,16 @@ the number and percentage of the translations that were handled by the per process name translation cache. .Pp At the bottom left is the disk usage display. -It reports the number of -kilobytes per transaction, transactions per second and megabytes -per second averaged over the +It reports the number of seeks, transfers, and number +of kilobyte blocks transferred per second averaged over the refresh period of the display (by default, five seconds). -The system keeps statistics on most every storage device. In general, up -to seven devices are displayed. The devices displayed by default are the -first devices in the kernel's device list. See -.Xr devstat 3 -and -.Xr devstat 9 -for details on the devstat system. +For some disks it also reports the average milliseconds per seek. +Note that the system only keeps statistics on at most eight disks +(this is controlled by the constant +.Dv DK_NDRIVE +in +.Aq Pa sys/dkstat.h +as a kernel compile-time constant). .Pp Under the date in the upper right hand quadrant are statistics on paging and swapping activity. @@ -375,8 +374,6 @@ Display statistics as a running total from the point this command is given. .It Cm time Display statistics averaged over the refresh interval (the default). -.It Cm want_fd -Toggle the display of fd devices in the disk usage display. .It Cm zero Reset running statistics to zero. .El |