07-15-2009
FreeBSD 7.2 build kernel benchmarks
Just for fun:
CPU/Speed: 2x AMD Opteron Model 2384 (2.7GHz/512KB) quad core processor
Ram: 4 x2GB ECC DDR2-667 single rank memory
in RAID 0 mode (strip 128KB, Read Caching enabled, Write Caching disabled) with 2 HDD, CPUTYPE=opteron, CFLAGS= -O2 -fno-strict-aliasing -pipe, CXXFLAGS+= -fconserve-space
Quote:
linking kernel.debug
text data bss dec hex filename
7269549 734623 371004 8375176 7fcb88 kernel.debug
objcopy --only-keep-debug kernel.debug kernel.symbols
objcopy --strip-debug --add-gnu-debuglink=kernel.symbols kernel.debug kernel
--------------------------------------------------------------
>>> Kernel build for SUNPAE completed on Tue Jun 30 10:44:44 CDT 2009
--------------------------------------------------------------
205.268u 25.273s 1:01.01 377.8% 6307+1041k 2910+1805io 193pf+0w
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--------------------------------------------------------------
>>> Kernel build... (1 Reply)
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LEARN ABOUT NETBSD
amdtemp
AMDTEMP(4) BSD Kernel Interfaces Manual AMDTEMP(4)
NAME
amdtemp -- AMD CPU on-die digital thermal sensor
SYNOPSIS
amdtemp* at pchb?
DESCRIPTION
The amdtemp driver provides support for the on-die digital thermal sensor present on AMD K8, AMD Barcelona, AMD Phenom, AMD Griffin, and AMD
Fusion CPUs.
These sensors were officially introduced in AMD K8 Revision F processors, and provide 0.5 degC accuracy. Precision was improved in Revision
G chips, which provide two more bits for 0.25 degC steppings. Each core has two temperature sensors, and there are up to two cores per CPU
socket.
AMD Barcelona, AMD Phenom, AMD Griffin, and AMD Fusion provide 0.125 degC accuracy and provide one temperature sensor for each CPU socket.
The amdtemp driver reports temperatures through the envsys(4) API.
Sensor Units Typical Use
CPUN sensor0 uK cpuN temperature
SEE ALSO
envsys(4), envstat(8), powerd(8)
HISTORY
The amdtemp driver first appeared in OpenBSD 4.4 named ``kate''. It was then ported to NetBSD 5.0. The driver has been renamed with support
for newer AMD CPUs.
AUTHORS
The amdtemp driver was written by Constantine A. Murenin <cnst@openbsd.org> whilst at the University of Waterloo. It was adapted to NetBSD
by Christoph Egger.
BSD
March 2, 2012 BSD