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 OPENDARWIN
size
SIZE(1) General Commands Manual SIZE(1)
NAME
size - print the size of the sections in an object file
SYNOPSIS
size [ option ... ] [ object ... ]
DESCRIPTION
Size (without the -m option) prints the (decimal) number of bytes required by the __TEXT, __DATA and __OBJC segments. All other segments
are totaled and that size is listed in the `others' column. The final two columns is the sum in decimal and hexadecimal. If no file is
specified, a.out is used.
The options to size(1) are:
- Treat the remaining arguments as name of object files not options to size(1).
-m Print the sizes of the Mach-O segments and sections as well as the total sizes of the sections in each segment and the total size of
the segments in the file.
-l When used with the -m option, also print the addresses and offsets of the sections and segments.
-x When used with the -m option, print the values in hexadecimal (with leading 0x's) rather than decimal.
-arch arch_type
Specifies the architecture, arch_type, of the file for size(1) to operate on when the file is a fat file. (See arch(3) for the cur-
rently know arch_types.) The arch_type can be "all" to operate on all architectures in the file. The default is to display only
the host architecture, if the file contains it; otherwise, all architectures in the file are shown.
SEE ALSO
otool(1)
BUGS
The size of common symbols can't be reflected in any of the numbers for relocatable object files.
Apple Computer, Inc. May 23, 2002 SIZE(1)