代码： 全选
binzhang@station48:~$ getconf WORD_BIT
32
binzhang@station48:~$ getconf LONG_BIT
64
代码： 全选
(gdb) p sizeof(long)
$1 = 4
(gdb) p sizeof(void *)
$2 = 4
代码： 全选
binzhang@station48:~$ uname -a
Linux station48 2.6.38-11-server #50-Ubuntu SMP Mon Sep 12 21:34:27 UTC 2011 x86_64 x86_64 x86_64 GNU/Linux
代码： 全选
binzhang@station48:~$ cat /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 44
model name : Intel(R) Xeon(R) CPU E5620 @ 2.40GHz
stepping : 2
cpu MHz : 2394.182
cache size : 12288 KB
physical id : 1
siblings : 8
core id : 0
cpu cores : 4
apicid : 32
initial apicid : 32
fpu : yes
fpu_exception : yes
cpuid level : 11
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt aes lahf_lm ida arat dts tpr_shadow vnmi flexpriority ept vpid
bogomips : 4788.36
clflush size : 64
cache_alignment : 64
address sizes : 40 bits physical, 48 bits virtual
power management:
