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62 Commits

Author SHA1 Message Date
mrg bdd303d7a7 support fnmatch(3) patterns for disknames. eg, "iostat wd*" works now. 
update the default disk number selection to note that it uses the current
terminal size to fit disks, not hard coded 4.
 2015-07-09 13:26:52 +00:00
joerg 24bd8eb084 Remove KVM related options. 2014-06-11 17:01:04 +00:00
joerg 5f1d0b022e static + __dead 2011-08-30 19:06:06 +00:00
enami e8824b0da4 A number greater than or equal to 1.0 is a positive number. 2011-02-14 02:43:37 +00:00
enami 5a1e40df4f Put space after comma and around binary operator. 2011-02-14 02:42:26 +00:00
jakllsch a96fe1437c Fix copy/paste error that resulted in a extra space after the KB/t column. 2011-01-09 03:35:23 +00:00
jakllsch 65d4cff419 NetBSD/vax libm now has fmax, use it again. 
Also, display average transfer size using dynamic precision too.
 2011-01-09 02:40:19 +00:00
jakllsch 208ac54ed2 NetBSD/vax does not implement fmax(3), substitute with existing MAX() macro. 2011-01-08 02:36:52 +00:00
jakllsch 5637a88e80 Maintain 5-character width of MB/s column by dynamically adjusting the 
decimal precision.

This should work until disk transfer rates exceed 99999 MB/s.
 2011-01-07 03:12:27 +00:00
lukem 107925002e Fix -Wsign-compare issues 2009-04-15 10:05:41 +00:00
lukem 9c1945664c Remove the \n and tabs from the __COPYRIGHT() strings. 
Tweak to use a consistent format.
 2008-07-21 13:36:57 +00:00
christos 5f1a365390 add parens. 2007-06-24 23:25:13 +00:00
simonb 53211cb1ae Since the swapping of tk_nin and tk_nout was moved to its own 
function (tkswap()), actually call this function.

Fixes problems where the tin/tout fields showed total tty IO since
boot instead of just what has happened in the last second.
 2006-07-26 03:33:02 +00:00
blymn 906131e6f3 Update to use the new kernel io statistics. 2006-04-14 13:14:57 +00:00
dsl 9f26f448bf Need to read and swap cpustats separately from the dkstats. 
I wonder how many more programs use the code in vmstat/dkstats.c
 2006-02-12 22:11:54 +00:00
yamt 16b7c5d1dd print a header on each outputs if and only if the output has 2 or more lines. 2006-02-12 11:23:31 +00:00
yamt 895fec49e1 reset hdrcnt whenever printing a header. 2006-01-08 08:47:16 +00:00
blymn 132bb1fe89 Add tape statistics. 2005-08-07 12:32:38 +00:00
mrg d6989eccf4 apply the patch from PR#30680: always print the header in extended 
(-x) mode, as it is much easier to see what is going on.
 2005-07-07 22:31:45 +00:00
dsl cfe7f80ff0 Add (unsigned char) cast to ctype functions 2004-10-29 20:51:11 +00:00
dbj c4278791eb for -x -I output, use just MB instead of MB/s in header 2004-02-25 03:39:14 +00:00
wiz d20841bb64 Uppercase CPU, plural is CPUs. 2004-02-13 11:36:08 +00:00
agc 326b2259b7 Move UCB-licensed code from 4-clause to 3-clause licence. 
Patches provided by Joel Baker in PR 22366, verified by myself.
 2003-08-07 11:25:11 +00:00
mrg 134561f7df - convert header() away from a signal function (it does all sorts of stdio 
and more) and use a little sig_header() helper.
- in selectdrives() make sure we don't overwrite some arrays.  this makes
"iostat 1" work again on my really wide screens where defdrives (number that
can fit) was > ndrives (number of drives), rather than dump core trying to
print (char *)1...
 2003-08-04 01:05:44 +00:00
simonb c71be29ffd Use the terminal width to choose the default number of drives listed. 
Suggested by matt green and (indirectly) enami tsugutomo.
 2003-07-02 13:47:57 +00:00
simonb 329fb18071 Pinch code from vmstat to get the number of lines of the terminal, and 
show the header once per screen instead of fixed at every 22 lines.
 2003-07-02 13:20:14 +00:00
simonb 2f35689ef7 Bump the width of the MB/s and t/s fields and show only 3 drives by 
default.  The default display now fits in 80 columns, and looks much
better on modern systems.
 2003-07-02 08:35:48 +00:00
drochner 96b62d8a69 no need to #include <sys/dkstat.h> 2003-06-11 17:26:31 +00:00
enami 70378aeac7 - Account the number of lines consumed so that -xw displays header 
frequently enough.
- As we are initializing dk_select to 0 (via dkinit), no need to check it.
- Re-order the code in display() to highlight the fact that -x is
  exclusive with others.
- If user really specified some drives and none of them are found,
  just bail out rather than falling back to default behaviour.
- Other misc. cosmetic changes while I'm here.
 2003-03-01 07:40:58 +00:00
christos d0ee51001e PR/20435: KOIE Hidetaka: iostat -x ignores drive selection. 2003-03-01 05:38:11 +00:00
enami 0ad4042cc2 ... and fix typos which makes wrong display. 2002-11-02 06:35:30 +00:00
enami a65c9b21f2 Cosmetic changes. 2002-11-02 06:32:10 +00:00
simonb c79652b287 Print a newline between lines in -x mode. 2002-11-01 14:02:21 +00:00
mrg 3cf4c73d05 iostat(8) and systat(8) support for separate read/write disk statistics. 
"iostat -x" now shows these (ala linux/solaris), but this is only splitting
the read/write bytes/transactions, not adding any new metrics.  "systat
iostat" now has two new commands to switch between combined/separate mode
for both it's numbers & bar modes.
 2002-11-01 12:47:55 +00:00
mycroft 7f79942c2d select() -> nanosleep() 2002-09-18 23:18:44 +00:00
sommerfeld f80c7eebd7 Since the KERN_CP_TIME sysctl reports total clock ticks across all 
cpus and hz is measured in ticks per cpu, divide tick count by ncpu to
determine elapsed time since last sample.

Fixes I/O rate deflation observed on multiprocessors.
 2002-06-30 00:10:33 +00:00
simonb c9e9cab056 We don't need the code to discard setgid privileges if we aren't setgid! 2002-05-22 13:12:27 +00:00
simonb f69ac131ba Drop the setgid'ness now that ../../usr.bin/vmstat/dkstats.c uses 
sysctls now.
 2002-01-28 02:16:56 +00:00
simonb 0833efd07d Remove extern variables and functions now declared in dkstats.h. 2000-12-01 02:10:22 +00:00
simonb 80bd9216d2 ANSIfy. 2000-11-30 23:59:03 +00:00
thorpej ae67003975 Need to include <sys/sched.h> to get cp_time-related constants. 2000-06-03 21:00:42 +00:00
simonb f28c3652ea Use " %2.0f" instead of "%3.0f" to print out the CPU percentages - this 
way 100 in a column doesn't merge into the previous column.
 2000-05-29 11:33:43 +00:00
tron e6523d9b6c Don't unnecessarily check device names if "-x" is used. 1999-09-13 16:59:54 +00:00
tron 6c817dd128 Display all drives if "iostat -x <interval>" is used. 
Fixes PR bin/8389 by Mattias Pantzare.
 1999-09-13 16:56:35 +00:00
mjl 0f3963f273 Truncate disk names in header to 7 instead of 3 chars, we actually 
have "raid0".
 1999-06-27 12:32:13 +00:00
lukem f6a3acc90d in -x, print MB/s two 2 decimal places. noted by enami@netbsd.org 1998-08-27 03:17:49 +00:00
enami cb5c756e90 add -x in usage. 1998-08-27 01:59:38 +00:00
lukem 26afa02db6 * implement -x; extended disk statistics. option inspired by solaris' iostat. 
* fix a few typos
* a bit of KNF and egcs cleanup
* add a HISTORY (hopefully correct)
 1998-08-25 08:05:47 +00:00
drochner 017037d6b1 adapt to changed dkinit() in ../../usr.bin/vmstat/dkstats.c 1998-07-19 17:48:15 +00:00
mrg c2b498a921 KNF. 1998-07-05 06:20:05 +00:00