Re: [9fans] GCC3.0 [Was; Webbrowser]

[andrey mirtchovski <mirtchov@cpsc.ucalgary.ca>]

this is iostats:

read      238369 bytes, 13.02132 Kb/sec
write     1266 bytes, .4715208 Kb/sec
protocol  659280 bytes, 28.10126 Kb/sec
rpc       8876 count

Message    Count   Low  High  Time Averg          in      out
version        1     0     0     0     0 ms       19       19 bytes
attach         1     0     0     0     0 ms       25       20 bytes
flush          1 10000000     0     0     0 ms        9        7 bytes
walk        2544     0   153   551     0 ms    78729    88992 bytes
open        1248     0   117   785     0 ms    14976    29928 bytes
read        1277     0 11179 17877    13 ms    29371   252416 bytes
write         15     0   686  2622   174 ms     1611      165 bytes
clunk       2542     0    44   379     0 ms    27962    17794 bytes
stat        1247     0    50   697     0 ms    13717   103426 bytes

Opens    Reads  (bytes)   Writes  (bytes) File
 1233     1233    88776        0        0 /dev/cputime
    1        0        0        1        5 /proc/10281/note
    1        0        0        1        5 /proc/10282/note
    1        0        0        1        5 /proc/10287/note
    2        0        0        2        9 /proc/10289/note
    1        0        0        1        5 /proc/10295/note
    1        1      172        0        0 /adm/users
    1        2        7        0        0 (stdin)
    1        0        0        7     1227 (stdout)
    1        0        0        2       10 (stderr)
    1        2      579        0        0 /rc/lib/rcmain
    1       24    91459        0        0 /bin/rc
    1       15    57376        0        0 /usr/bootes/ubench-0.32/ubench

and this is what kprof has to say:

total: 492060	in kernel text: 56450	outside kernel text: 435610
KTZERO 80100000
ms	  %	sym
50180	 88.8	halt
3210	  5.6	memmove
420	  0.7	savagewaitidle
410	  0.7	i8259isr
350	  0.6	inb
250	  0.4	drawclip
150	  0.2	runproc
130	  0.2	wbflush
120	  0.2	memset
110	  0.1	chardraw
70	  0.1	rectclip
60	  0.1	memdraw
50	  0.0	drawmesg
50	  0.0	convD2M
50	  0.0	strlen
40	  0.0	syscall
30	  0.0	drawgoodname
30	  0.0	_syscallintr
30	  0.0	dstflush
30	  0.0	memimagedraw
30	  0.0	drawreplxy


interesting tidbit -- iostats filled up the memory on both machines I tried
it on (128 and 512 MB), it's fun to look at in 'stats'

adnrey

On Thu, 6 Feb 2003, David Presotto wrote:

> I looked at at the benchmarks.  There are lots of times() calls in
> inner loops that are very low cost in Unix but pretty expensive in
> Plan 9.  Why not do a run under iostats and post the results.  It
> might be enlightening.