Changes between Version 52 and Version 53 of jazz/Performance_Tuning

Timestamp:

Oct 14, 2014, 11:16:01 AM (10 years ago)

Author:

jazz

Comment:

--

jazz/Performance_Tuning

@@ -38 +38 @@
 
  * 檢查 CPU 是否為 64 位元的方法 - [http://ubuntuforums.org/archive/index.php/t-573630.html 參考自 Ubuntu 論壇]
+   * <參考> [http://www.cyberciti.biz/faq/linux-how-to-find-if-processor-is-64-bit-or-not/ Linux: Find If Processor (CPU) is 64 bit / 32 bit]
 {{{
 ~$ sudo lshw -C cpu | grep width
@@ -43 +44 @@
 =======
        width: 64 bits ---> 為 64 位元
+}}}
+{{{
+$ getconf LONG_BIT 
+64
+}}}
+{{{
+~$ grep flags /proc/cpuinfo | grep " lm " --color
+}}}
+{{{
+~$ grep -o -w 'lm' /proc/cpuinfo | sort -u 
+lm
 }}}
  * 檢查 CPU 是否支援虛擬化 - 旗標(flags)分別是： Intel (vmx) 與AMD (svm) ([wiki:KVM/install KVM 安裝 (rock)])