AIXºÍLinuxÏÂÈçºÎ²é¿´CPUºÍÄÚ´æÐÅÏ¢
AIXºÍLinuxÏÂÈçºÎ²é¿´CPUºÍÄÚ´æÐÅÏ¢
AIX²Ù×÷ϵͳ
AIXµÄÓ²¼þÐÅÏ¢¿ÉÒÔͨ¹ýprtconfÃüÁî¿´µ½¡£
1. ²é¿´Âß¼CPU¸öÊý
#pmcycles -m
CPU 0 runs at 4204 MHz
CPU 1 runs at 4204 MHz
CPU 2 runs at 4204 MHz
CPU 3 runs at 4204 MHz
CPU 4 runs at 4204 MHz
CPU 5 runs at 4204 MHz
CPU 6 runs at 4204 MHz
CPU 7 runs at 4204 MHz
ÉÏÃæÃèÊöÓÐ8¸öCPU£¬CPUµÄÖ÷ƵΪ4.2GºÕ×È
2. ²é¿´ÎïÀíCPU¸öÊý
#prtconf|grep Processors
Number Of Processors: 4
3. È·¶¨CPUÊǼ¸ºË
ÓÃÂß¼CPU³ýÒÔÎïÀíCPU¾ÍÊǺËÊý¡£
4. ²é¿´µ¥¸öCPUµÄÏêϸÐÅÏ¢
#lsattr -E -l proc0
frequency 4204000000 Processor Speed False
smt_enabled true Processor SMT enabled False
smt_threads 2 Processor SMT threads False
state enable Processor state False
type PowerPC_POWER6 Processor type False
Linux²Ù×÷ϵͳ
LinuxϵÄCPUÐÅϢȫ²¿¶¼ÔÚ/proc/cpuinfoÕâ¸öÎļþÖУ¬¿ÉÒÔÖ±½Ó´ò¿ª¿´¡£
1. ²é¿´ÎïÀíCPUµÄ¸öÊý
#cat /proc/cpuinfo |grep "physical id"|sort |uniq|wc -l
2. ²é¿´Âß¼CPUµÄ¸öÊý
#cat /proc/cpuinfo |grep "processor"|wc -l
3. ²é¿´CPUÊǼ¸ºË
#cat /proc/cpuinfo |grep "cores"|uniq
4. ²é¿´CPUµÄÖ÷Ƶ
#cat /proc/cpuinfo |grep MHz|uniq
Ïà¹ØÎĵµ£º
ÀýÒ»£º·¢ËÍSignaling Packet£º
Signaling CommandÊÇ2¸öBluetoothʵÌåÖ®¼äµÄL2CAP²ãÃüÁî´«Êä¡£ËùÒÔµÃSignaling CommandʹÓÃCID 0x0001.
¶à¸öCommand¿ÉÒÔÔÚÒ»¸öC-frame£¨control frame£©Öз¢ËÍ¡£
Èç¹ûÒªÖ±½Ó·¢ËÍSignaling Command.ÐèÒª½¨Á¢SOCK_RAWÀàÐ͵ÄL2CAPÁ¬½ÓSocket¡£ÕâÑù²ÅÓлú»á×Ô¼ºÌî³äCommand Code£¬Identi ......
Ŀ¼
1¡¢¹ØÓÚÎı¾±à¼Æ÷£»
2¡¢vi ±à¼Æ÷£»
3¡¢vi ±à¼Æ÷µÄʹÓ÷½·¨£»
3.1 ÈçºÎµ÷ÓÃvi £»
3.2 vi µÄÈýÖÖÃüÁîģʽ£»
3.3 ÎļþµÄ±£´æºÍÍ˳ö£»
3.4 ¹â±êÒƶ¯£»
3.5
²åÈëģʽ£¨Îı¾µÄ²åÈ룩£»
3.6 Îı¾ÄÚÈݵÄɾ³ý²Ù×÷£»
3.7 »Ö¸´Ð޸ļ°»Ö¸´É¾³ý²Ù×÷£»
3.8 ¿ÉÊÓģʽ£»
3.9
¸´ÖƺÍÕ³ÌûµÄ²Ù×÷£»
3.10 ¹ØÓÚÐкţ»
......
×î½üÔÚkernel ÀïÃæ coding, ÕÒÀ´Ò»Ð©×ÊÁÏ Ë³ÊÖÌùÀ´£¬·½±ã²éÕÒ¡££¨¸ÐлÔ×÷ÕßµÄŬÁ¦£¬ÈôÓаæȨÎÊÌ⣬ÇëÁªÏµ£©
ÓÐʱºòÐèÒªÔÚLinux kernel££´ó¶àÊÇÔÚÐèÒªµ÷ÊÔµÄÇý¶¯³ÌÐò££ÖжÁдÎļþÊý¾Ý¡£ÔÚkernelÖвÙ×÷ÎļþûÓбê×¼¿â¿ÉÓã¬ÐèÒªÀûÓÃkernelµÄһЩº¯Êý£¬ÕâЩº¯ÊýÖ÷ÒªÓУº filp_open() fi ......
Linuxת°üÃüÁî
LinuxµÄ×¥°üÃüÁîtcpdump -i eth0 -Xs 10000 -vv port 22808 -I ±íʾ¼à²âµÄÉ豸ºÅ£¬-vv±íʾÏÔʾÏêϸÐÅÏ¢£¬ -s ±íʾÉèÖöÏÐУ¬ -c ±íʾ×î¶à½ØÈ¡°üÊý¡£-w±íʾ´æµ½ÎļþÖС£Èç×¥°ütcpdump tcp port 22808 –X –vv –c 100 –s 1500 –w tcp.log ......
Ê×ÏÈ£º´ò¿ªPCµçԴʱ£¬CPU×Ô¶¯½øÈëʵģʽ£¬²¢´ÓµØÖ·0xFFFF0¿ªÊ¼Ö´ÐдúÂ룬Õâ¸öµØַͨ³£ÊÇROM-BIOSÖеĵØÖ·¡£ÕâʱBIOS½øÐпª»ú×Լ죬²¢°´BIOSÖÐÉèÖúõIJÎÊý½øÐÐÆô¶¯É豸£¬½Ó×ÅÆô¶¯É豸ÉÏ°²×°µÄÒýµ¼³ÌÐòlilo»ògrub¿ªÊ¼Òýµ¼LINUX£¨Ò²¾ÍÊÇÆô¶¯É豸µÄµÚÒ»¸öÉÈÇø£©£¬Õâʱ£¬Linux²Å»ñµÃÆô¶¯È¨¡£
µ ......