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系统管理员工具包: 日志文件基础知识

 2008-11-12 08:29:50 来源:WEB开发网   
核心提示: 例如,清单 6 显示了 Gentoo Linux 系统上 dmesg 的一些示例输出,系统管理员工具包: 日志文件基础知识(7),为简单起见,此处仅显示了主要启动信息

例如,清单 6 显示了 Gentoo Linux 系统上 dmesg 的一些示例输出。为简单起见,此处仅显示了主要启动信息。

清单 6. dmesg 日志内容

$ dmesg
Linux version 2.6.22-gentoo-r8 (root@gentoo2.vm) (gcc version 4.1.2
        (Gentoo 4.1.2 p1.0.1)) #1 SMP Fri Sep 28 14:22:07 GMT 2007
BIOS-provided physical RAM map:
BIOS-e820: 0000000000000000 - 000000000009fc00 (usable)
BIOS-e820: 0000000000100000 - 0000000020000000 (usable)
0MB HIGHMEM available.
512MB LOWMEM available.
Entering add_active_range(0, 0, 131072) 0 entries of 256 used
Zone PFN ranges:
 DMA       0 ->   4096
 Normal    4096 ->  131072
 HighMem  131072 ->  131072
early_node_map[1] active PFN ranges
  0:    0 ->  131072
On node 0 totalpages: 131072
 DMA zone: 32 pages used for memmap
 DMA zone: 0 pages reserved
 DMA zone: 4064 pages, LIFO batch:0
 Normal zone: 992 pages used for memmap
 Normal zone: 125984 pages, LIFO batch:31
 HighMem zone: 0 pages used for memmap
DMI not present or invalid.
Allocating PCI resources starting at 30000000 (gap: 20000000:e0000000)
Built 1 zonelists. Total pages: 130048
Kernel command line: root=/dev/ram0 init=/linuxrc ramdisk=8192 real_root=/dev/hda3 udev
Local APIC disabled by BIOS -- you can enable it with "lapic"
mapped APIC to ffffd000 (0140c000)
Enabling fast FPU save and restore... done.
Enabling unmasked SIMD FPU exception support... done.
Initializing CPU#0
CPU 0 irqstacks, hard=c054e000 soft=c052e000
PID hash table entries: 2048 (order: 11, 8192 bytes)
Detected 2295.874 MHz processor.
Console: colour VGA+ 80x25
Dentry cache hash table entries: 65536 (order: 6, 262144 bytes)
Inode-cache hash table entries: 32768 (order: 5, 131072 bytes)
Memory: 511616k/524288k available (3150k kernel code, 12100k reserved,
                            818k data, 264k init, 0k highmem)
virtual kernel memory layout:
  fixmap : 0xffe17000 - 0xfffff000  (1952 kB)
  pkmap  : 0xff800000 - 0xffc00000  (4096 kB)
  vmalloc : 0xe0800000 - 0xff7fe000  ( 495 MB)
  lowmem : 0xc0000000 - 0xe0000000  ( 512 MB)
   .init : 0xc04e7000 - 0xc0529000  ( 264 kB)
   .data : 0xc0413884 - 0xc04e0364  ( 818 kB)
   .text : 0xc0100000 - 0xc0413884  (3150 kB)
Checking if this processor honours the WP bit even in supervisor mode... Ok.
Calibrating delay using timer specific routine.. 4674.89 BogoMIPS (lpj=23374475)
Mount-cache hash table entries: 512
CPU: After generic identify, caps: 0f80b9b9 00000000 00000000 00000000 00000001
                                   00000000 00000000
CPU: L1 I cache: 32K, L1 D cache: 32K
CPU: L3 cache: 4096K
CPU: After all inits, caps: 0f80b9b9 00000000 00000000 00000140 00000001
                                   00000000 00000000
...

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Tags:系统 管理员 工具包

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