Author: wmb Date: Thu Aug 5 02:46:03 2010 New Revision: 1915 URL: http://tracker.coreboot.org/trac/openfirmware/changeset/1915
Log: OLPC - new ".speed" command for measuring read/write speeds of mass storage devices.
Added: cpu/x86/pc/olpc/diskspeed.fth Modified: cpu/x86/acpitimer.fth cpu/x86/pc/olpc/fw.bth cpu/x86/pc/olpc/via/fw.bth cpu/x86/tsc.fth
Modified: cpu/x86/acpitimer.fth ============================================================================== --- cpu/x86/acpitimer.fth Thu Aug 5 02:37:12 2010 (r1914) +++ cpu/x86/acpitimer.fth Thu Aug 5 02:46:03 2010 (r1915) @@ -71,8 +71,9 @@ \ Subtracting 10 accounts for the time it takes to read the ACPI timer, \ which is an I/O port and therefore slow to read : ))t1 ( -- d.ticks ) get-timer timestamp 2@ d- d# 10. d- 0. dmax ; +: ))t-usecs ( -- usec ) ))t1 acpi-ticks>usecs ; : )t ( -- ) - ))t1 acpi-ticks>usecs ( microseconds ) + ))t-usecs ( microseconds ) push-decimal <# u# u# u# [char] , hold u# u#s u#> type ." uS " pop-base
Added: cpu/x86/pc/olpc/diskspeed.fth ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ cpu/x86/pc/olpc/diskspeed.fth Thu Aug 5 02:46:03 2010 (r1915) @@ -0,0 +1,77 @@ +\ See license at end of file +purpose: Disk raw read/write speed test + +\ Example: ok .speed ext:0 +\ +\ The test is non-destructive unless a write failure occurs. +\ It reads first, then writes the same data back. + +0 value disk-ih +0 value disk-speed-transfer +0 value disk-speed-#blocks +0 value disk-speed-/block +0 value disk-speed-total-blocks +h# 200.0000 constant disk-speed-len \ 32 MB + +: .mb/sec ( usecs -- ) + disk-speed-len d# 20 rot */ ( 20*mb/sec ) + 1+ 2/ ( 10*mb/sec-rounded ) + push-decimal + <# u# [char] . hold u#s u#> type + pop-base + ." Mb/sec" +; +: .speed ( "devname" -- ) + safe-parse-word open-dev to disk-ih + disk-ih 0= abort" Can't open device" + " block-size" disk-ih $call-method to disk-speed-/block + + " max-transfer" disk-ih $call-method to disk-speed-transfer + disk-speed-transfer disk-speed-/block / to disk-speed-#blocks + + disk-speed-len disk-speed-/block / to disk-speed-total-blocks + + ." Read speed: " + t( + disk-speed-total-blocks 0 do + load-base i disk-speed-/block * + ( adr ) + i disk-speed-#blocks " read-blocks" disk-ih $call-method drop + disk-speed-#blocks +loop + ))t-usecs ( usecs ) + .mb/sec space + + ." Write speed: " + t( + disk-speed-total-blocks 0 do + load-base i disk-speed-/block * + ( adr ) + i disk-speed-#blocks " write-blocks" disk-ih $call-method drop + disk-speed-#blocks +loop + ))t-usecs ( usecs ) + .mb/sec cr + + disk-ih close-dev +; + +\ LICENSE_BEGIN +\ Copyright (c) 2010 FirmWorks +\ +\ Permission is hereby granted, free of charge, to any person obtaining +\ a copy of this software and associated documentation files (the +\ "Software"), to deal in the Software without restriction, including +\ without limitation the rights to use, copy, modify, merge, publish, +\ distribute, sublicense, and/or sell copies of the Software, and to +\ permit persons to whom the Software is furnished to do so, subject to +\ the following conditions: +\ +\ The above copyright notice and this permission notice shall be +\ included in all copies or substantial portions of the Software. +\ +\ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +\ EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +\ MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +\ NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +\ LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +\ OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +\ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +\ +\ LICENSE_END
Modified: cpu/x86/pc/olpc/fw.bth ============================================================================== --- cpu/x86/pc/olpc/fw.bth Thu Aug 5 02:37:12 2010 (r1914) +++ cpu/x86/pc/olpc/fw.bth Thu Aug 5 02:46:03 2010 (r1915) @@ -679,6 +679,8 @@ \ Fancy battery charge logger. fload ${BP}/cpu/x86/pc/olpc/charge.fth
+fload ${BP}/cpu/x86/pc/olpc/diskspeed.fth \ Mass storage speed test + \ This helps with TeraTerm, which sends ESC-O as the arrow key prefix also hidden also keys-forth definitions warning @ warning off
Modified: cpu/x86/pc/olpc/via/fw.bth ============================================================================== --- cpu/x86/pc/olpc/via/fw.bth Thu Aug 5 02:37:12 2010 (r1914) +++ cpu/x86/pc/olpc/via/fw.bth Thu Aug 5 02:46:03 2010 (r1915) @@ -748,6 +748,8 @@ \ Fancy battery charge logger. fload ${BP}/cpu/x86/pc/olpc/charge.fth
+fload ${BP}/cpu/x86/pc/olpc/diskspeed.fth \ Mass storage speed test + \ This helps with TeraTerm, which sends ESC-O as the arrow key prefix also hidden also keys-forth definitions warning @ warning off
Modified: cpu/x86/tsc.fth ============================================================================== --- cpu/x86/tsc.fth Thu Aug 5 02:37:12 2010 (r1914) +++ cpu/x86/tsc.fth Thu Aug 5 02:46:03 2010 (r1915) @@ -46,8 +46,9 @@ : t-update ; : t( ( -- ) tsc@ timestamp 2! ; : ))t ( -- d.ticks ) tsc@ timestamp 2@ d- ; +: ))t-usecs ( -- usecs ) ))t us-factor um/mod nip ; : )t ( -- ) - ))t us-factor um/mod nip ( microseconds ) + ))t-usecs ( microseconds ) push-decimal <# u# u# u# [char] , hold u# u#s u#> type ." uS " pop-base
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