{"id":696,"date":"2012-07-13T13:05:33","date_gmt":"2012-07-13T05:05:33","guid":{"rendered":"http:\/\/rmohan.com\/?p=696"},"modified":"2012-07-13T15:29:29","modified_gmt":"2012-07-13T07:29:29","slug":"monitor-your-system-performance","status":"publish","type":"post","link":"https:\/\/mohan.sg\/?p=696","title":{"rendered":"Monitor Your System Performance"},"content":{"rendered":"<p>Monitor Your System Performance in Linux<\/p>\n<p>&nbsp;<\/p>\n<p>@server ~]# uptime<br \/>\n13:14:02 up \u00a01:30, \u00a02 users, \u00a0load average: 0.04, 0.26, 0.27<\/p>\n<p>[root@server ~]# ps -eo %u | sort | uniq -c | sort -rn<\/p>\n<p>[root@server ~]# sar -c \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 ## Process\/sec<br \/>\nLinux 2.6.18-164.el5 (server.scratch.com) \u00a0 \u00a0 \u00a0 08\/24\/2011<\/p>\n<p>11:50:01 AM \u00a0 \u00a0proc\/s<br \/>\n12:00:01 PM \u00a0 \u00a0 \u00a06.87<br \/>\n12:10:01 PM \u00a0 \u00a0 \u00a06.90<br \/>\n12:20:01 PM \u00a0 \u00a0 \u00a07.10<br \/>\n12:30:01 PM \u00a0 \u00a0 \u00a06.77<br \/>\n12:40:01 PM \u00a0 \u00a0 \u00a06.99<br \/>\n12:50:01 PM \u00a0 \u00a0 \u00a06.85<br \/>\n01:00:01 PM \u00a0 \u00a0 \u00a06.83<br \/>\n01:10:01 PM \u00a0 \u00a0 \u00a06.92<br \/>\nAverage: \u00a0 \u00a0 \u00a0 \u00a0 6.90<\/p>\n<p>[root@server ~]# sar -b \u00a0 ## Data r\/wr ps<br \/>\nLinux 2.6.18-164.el5 (server.scratch.com) \u00a0 \u00a0 \u00a0 08\/24\/2011<\/p>\n<p>11:50:01 AM \u00a0 \u00a0 \u00a0 tps \u00a0 \u00a0 \u00a0rtps \u00a0 \u00a0 \u00a0wtps \u00a0 bread\/s \u00a0 bwrtn\/s<br \/>\n12:00:01 PM \u00a0 \u00a0 24.81 \u00a0 \u00a0 \u00a00.18 \u00a0 \u00a0 24.63 \u00a0 \u00a0 \u00a06.37 \u00a0 \u00a0376.94<br \/>\n12:10:01 PM \u00a0 \u00a0 26.14 \u00a0 \u00a0 \u00a00.33 \u00a0 \u00a0 25.81 \u00a0 \u00a0 10.68 \u00a0 \u00a0388.21<br \/>\n12:20:01 PM \u00a0 \u00a0 57.68 \u00a0 \u00a0 28.05 \u00a0 \u00a0 29.63 \u00a0 \u00a0620.21 \u00a0 \u00a0466.02<br \/>\n12:30:01 PM \u00a0 \u00a0 24.16 \u00a0 \u00a0 \u00a00.13 \u00a0 \u00a0 24.03 \u00a0 \u00a0 \u00a01.92 \u00a0 \u00a0369.00<br \/>\n12:40:01 PM \u00a0 \u00a0 24.55 \u00a0 \u00a0 \u00a00.10 \u00a0 \u00a0 24.44 \u00a0 \u00a0 \u00a01.70 \u00a0 \u00a0374.73<br \/>\n12:50:01 PM \u00a0 \u00a0 25.07 \u00a0 \u00a0 \u00a00.14 \u00a0 \u00a0 24.93 \u00a0 \u00a0 \u00a04.31 \u00a0 \u00a0380.10<br \/>\n01:00:01 PM \u00a0 \u00a0 24.95 \u00a0 \u00a0 \u00a00.58 \u00a0 \u00a0 24.37 \u00a0 \u00a0 \u00a06.20 \u00a0 \u00a0377.88<br \/>\n01:10:01 PM \u00a0 \u00a0 24.57 \u00a0 \u00a0 \u00a00.01 \u00a0 \u00a0 24.56 \u00a0 \u00a0 \u00a00.04 \u00a0 \u00a0376.16<br \/>\nAverage: \u00a0 \u00a0 \u00a0 \u00a028.98 \u00a0 \u00a0 \u00a03.68 \u00a0 \u00a0 25.30 \u00a0 \u00a0 81.17 \u00a0 \u00a0388.59<\/p>\n<p>[root@server ~]# iostat -k<br \/>\nLinux 2.6.18-164.el5 (server.scratch.com) \u00a0 \u00a0 \u00a0 08\/24\/2011<\/p>\n<p>avg-cpu: \u00a0%user \u00a0 %nice %system %iowait \u00a0%steal \u00a0 %idle<br \/>\n0.40 \u00a0 \u00a00.00 \u00a0 \u00a03.84 \u00a0 \u00a00.44 \u00a0 \u00a00.00 \u00a0 95.32<\/p>\n<p>Device: \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0tps \u00a0 \u00a0kB_read\/s \u00a0 \u00a0kB_wrtn\/s \u00a0 \u00a0kB_read \u00a0 \u00a0kB_wrtn<br \/>\nsda \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 6.60 \u00a0 \u00a0 \u00a0 \u00a032.24 \u00a0 \u00a0 \u00a0 \u00a065.92 \u00a0 \u00a0 177987 \u00a0 \u00a0 363873<br \/>\nsda1 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a00.10 \u00a0 \u00a0 \u00a0 \u00a0 0.21 \u00a0 \u00a0 \u00a0 \u00a0 0.00 \u00a0 \u00a0 \u00a0 1163 \u00a0 \u00a0 \u00a0 \u00a0 \u00a05<br \/>\nsda2 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a06.50 \u00a0 \u00a0 \u00a0 \u00a032.01 \u00a0 \u00a0 \u00a0 \u00a065.92 \u00a0 \u00a0 176684 \u00a0 \u00a0 363868<br \/>\ndm-0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 20.19 \u00a0 \u00a0 \u00a0 \u00a031.54 \u00a0 \u00a0 \u00a0 \u00a065.91 \u00a0 \u00a0 174109 \u00a0 \u00a0 363844<br \/>\ndm-1 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a00.02 \u00a0 \u00a0 \u00a0 \u00a0 0.08 \u00a0 \u00a0 \u00a0 \u00a0 0.00 \u00a0 \u00a0 \u00a0 \u00a0440 \u00a0 \u00a0 \u00a0 \u00a0 \u00a00<br \/>\ndm-2 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a00.06 \u00a0 \u00a0 \u00a0 \u00a0 0.25 \u00a0 \u00a0 \u00a0 \u00a0 0.00 \u00a0 \u00a0 \u00a0 1397 \u00a0 \u00a0 \u00a0 \u00a0 20<br \/>\ndm-3 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a00.03 \u00a0 \u00a0 \u00a0 \u00a0 0.11 \u00a0 \u00a0 \u00a0 \u00a0 0.00 \u00a0 \u00a0 \u00a0 \u00a0613 \u00a0 \u00a0 \u00a0 \u00a0 \u00a04<\/p>\n<p>[root@server ~]#<\/p>\n<p># cat \/proc\/stat<br \/>\ncpu \u00a01864 0 16482 416939 2375 34 527 0<br \/>\ncpu0 1864 0 16482 416939 2375 34 527 0<br \/>\nintr 2416023 2368439 12 0 2 2 0 5 0 1 0 0 0 116 0 0 21 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 29989 0 0 0 0 0 0 0 37 0 0 0 0 0 0 0 17399 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0<br \/>\nctxt 258727<br \/>\nbtime 1314166387<br \/>\nprocesses 32539<br \/>\nprocs_running 1<br \/>\nprocs_blocked 0<\/p>\n<p># cat \/proc\/meminfo<br \/>\nMemTotal: \u00a0 \u00a0 \u00a0 218872 kB<br \/>\nMemFree: \u00a0 \u00a0 \u00a0 \u00a0 36680 kB<br \/>\nBuffers: \u00a0 \u00a0 \u00a0 \u00a0 40416 kB<br \/>\nCached: \u00a0 \u00a0 \u00a0 \u00a0 \u00a079080 kB<br \/>\nSwapCached: \u00a0 \u00a0 \u00a0 \u00a0 \u00a00 kB<br \/>\nActive: \u00a0 \u00a0 \u00a0 \u00a0 116728 kB<br \/>\nInactive: \u00a0 \u00a0 \u00a0 \u00a047320 kB<br \/>\nHighTotal: \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 0 kB<br \/>\nHighFree: \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a00 kB<br \/>\nLowTotal: \u00a0 \u00a0 \u00a0 218872 kB<br \/>\nLowFree: \u00a0 \u00a0 \u00a0 \u00a0 36680 kB<br \/>\nSwapTotal: \u00a0 \u00a0 \u00a0614384 kB<br \/>\nSwapFree: \u00a0 \u00a0 \u00a0 614384 kB<br \/>\nDirty: \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 460 kBWriteback: \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 0 kB<br \/>\nAnonPages: \u00a0 \u00a0 \u00a0 44556 kB<br \/>\nMapped: \u00a0 \u00a0 \u00a0 \u00a0 \u00a015936 kB<br \/>\nSlab: \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a011628 kB<br \/>\nPageTables: \u00a0 \u00a0 \u00a0 2320 kB<br \/>\nNFS_Unstable: \u00a0 \u00a0 \u00a0 \u00a00 kB<br \/>\nBounce: \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a00 kB<br \/>\nCommitLimit: \u00a0 \u00a0723820 kB<br \/>\nCommitted_AS: \u00a0 376900 kB<br \/>\nVmallocTotal: \u00a0 802808 kB<br \/>\nVmallocUsed: \u00a0 \u00a0 \u00a03564 kB<br \/>\nVmallocChunk: \u00a0 798832 kB<br \/>\nHugePages_Total: \u00a0 \u00a0 0<br \/>\nHugePages_Free: \u00a0 \u00a0 \u00a00<br \/>\nHugePages_Rsvd: \u00a0 \u00a0 \u00a00<br \/>\nHugepagesize: \u00a0 \u00a0 4096 kB<\/p>\n<p>[root@server ~]# cat \/proc\/cpuinfo<br \/>\nprocessor \u00a0 \u00a0 \u00a0 : 0<br \/>\nvendor_id \u00a0 \u00a0 \u00a0 : GenuineIntel<br \/>\ncpu family \u00a0 \u00a0 \u00a0: 6<br \/>\nmodel \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 : 23<br \/>\nmodel name \u00a0 \u00a0 \u00a0: Pentium(R) Dual-Core \u00a0CPU \u00a0 \u00a0 \u00a0E5300 \u00a0@ 2.60GHz<br \/>\nstepping \u00a0 \u00a0 \u00a0 \u00a0: 10<br \/>\ncpu MHz \u00a0 \u00a0 \u00a0 \u00a0 : 2592.870<br \/>\ncache size \u00a0 \u00a0 \u00a0: 2048 KB<br \/>\nfdiv_bug \u00a0 \u00a0 \u00a0 \u00a0: no<br \/>\nhlt_bug \u00a0 \u00a0 \u00a0 \u00a0 : no<br \/>\nf00f_bug \u00a0 \u00a0 \u00a0 \u00a0: no<br \/>\ncoma_bug \u00a0 \u00a0 \u00a0 \u00a0: no<br \/>\nfpu \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 : yes<br \/>\nfpu_exception \u00a0 : yes<br \/>\ncpuid level \u00a0 \u00a0 : 13<br \/>\nwp \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0: yes<br \/>\nflags \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss constant_tsc up pni<br \/>\nbogomips \u00a0 \u00a0 \u00a0 \u00a0: 5185.74<\/p>\n<p>[root@server ~]# cat \/proc\/buddyinfo<br \/>\nNode 0, zone \u00a0 \u00a0 \u00a0DMA \u00a0 \u00a0 37 \u00a0 \u00a0 33 \u00a0 \u00a0 31 \u00a0 \u00a0 29 \u00a0 \u00a0 19 \u00a0 \u00a0 12 \u00a0 \u00a0 \u00a09 \u00a0 \u00a0 \u00a02 \u00a0 \u00a0 \u00a00 \u00a0 \u00a0 \u00a00 \u00a0 \u00a0 \u00a00<br \/>\nNode 0, zone \u00a0 Normal \u00a0 2217 \u00a0 \u00a0861 \u00a0 \u00a0467 \u00a0 \u00a0317 \u00a0 \u00a0 71 \u00a0 \u00a0 17 \u00a0 \u00a0 \u00a06 \u00a0 \u00a0 \u00a01 \u00a0 \u00a0 \u00a01 \u00a0 \u00a0 \u00a00 \u00a0 \u00a0 \u00a00<br \/>\n[root@server ~]#<\/p>\n<p>[root@server ~]# cat \/proc\/execdomains<br \/>\n0-0 \u00a0 \u00a0 Linux \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 [kernel]<\/p>\n<p>[root@server ~]# cat \/proc\/filesystems<br \/>\nnodev \u00a0 sysfs<br \/>\nnodev \u00a0 rootfs<br \/>\nnodev \u00a0 bdev<br \/>\nnodev \u00a0 proc<br \/>\nnodev \u00a0 cpuset<br \/>\nnodev \u00a0 binfmt_misc<br \/>\nnodev \u00a0 debugfs<br \/>\nnodev \u00a0 securityfs<br \/>\nnodev \u00a0 sockfs<br \/>\nnodev \u00a0 usbfs<br \/>\nnodev \u00a0 pipefs<br \/>\nnodev \u00a0 anon_inodefs<br \/>\nnodev \u00a0 futexfs<br \/>\nnodev \u00a0 tmpfs<br \/>\nnodev \u00a0 inotifyfs<br \/>\nnodev \u00a0 eventpollfs<br \/>\nnodev \u00a0 devpts<br \/>\next2<br \/>\nnodev \u00a0 ramfs<br \/>\nnodev \u00a0 hugetlbfs<br \/>\niso9660<br \/>\nnodev \u00a0 mqueue<br \/>\next3<\/p>\n<p>[root@server ~]# cat \/proc\/interrupts<br \/>\nCPU0<br \/>\n0: \u00a0 \u00a02539099 \u00a0 \u00a0IO-APIC-edge \u00a0timer<br \/>\n1: \u00a0 \u00a0 \u00a0 \u00a0 12 \u00a0 \u00a0IO-APIC-edge \u00a0i8042<br \/>\n6: \u00a0 \u00a0 \u00a0 \u00a0 \u00a05 \u00a0 \u00a0IO-APIC-edge \u00a0floppy<br \/>\n7: \u00a0 \u00a0 \u00a0 \u00a0 \u00a00 \u00a0 \u00a0IO-APIC-edge \u00a0parport0<br \/>\n8: \u00a0 \u00a0 \u00a0 \u00a0 \u00a01 \u00a0 \u00a0IO-APIC-edge \u00a0rtc<br \/>\n9: \u00a0 \u00a0 \u00a0 \u00a0 \u00a00 \u00a0 IO-APIC-level \u00a0acpi<br \/>\n12: \u00a0 \u00a0 \u00a0 \u00a0116 \u00a0 \u00a0IO-APIC-edge \u00a0i8042<br \/>\n15: \u00a0 \u00a0 \u00a0 \u00a0 21 \u00a0 \u00a0IO-APIC-edge \u00a0ide1<br \/>\n51: \u00a0 \u00a0 \u00a031376 \u00a0 IO-APIC-level \u00a0ehci_hcd:usb1, ioc0<br \/>\n59: \u00a0 \u00a0 \u00a0 \u00a0 37 \u00a0 IO-APIC-level \u00a0uhci_hcd:usb2<br \/>\n67: \u00a0 \u00a0 \u00a019497 \u00a0 IO-APIC-level \u00a0eth0<br \/>\n75: \u00a0 \u00a0 \u00a0 \u00a0 \u00a00 \u00a0 IO-APIC-level \u00a0Ensoniq AudioPCI<br \/>\nNMI: \u00a0 \u00a0 \u00a0 \u00a0 \u00a00<br \/>\nLOC: \u00a0 \u00a04700127<br \/>\nERR: \u00a0 \u00a0 \u00a0 \u00a0 \u00a00<br \/>\nMIS: \u00a0 \u00a0 \u00a0 \u00a0 \u00a00<\/p>\n<p>[root@server ~]# cat \/proc\/iomem<\/p>\n<p>[root@server ~]# cat \/proc\/loadavg<br \/>\n0.33 0.36 0.29 1\/92 2916<\/p>\n<p>[root@server ~]# cat \/proc\/locks<br \/>\n1: POSIX \u00a0ADVISORY \u00a0READ \u00a02689 fd:00:320039 4 4<br \/>\n2: POSIX \u00a0ADVISORY \u00a0WRITE 2732 fd:00:931460 0 EOF<br \/>\n3: POSIX \u00a0ADVISORY \u00a0READ \u00a02689 fd:00:320021 4 4<br \/>\n4: POSIX \u00a0ADVISORY \u00a0WRITE 2689 fd:00:288615 0 0<br \/>\n5: POSIX \u00a0ADVISORY \u00a0READ \u00a02686 fd:00:320027 4 4<br \/>\n6: POSIX \u00a0ADVISORY \u00a0READ \u00a02686 fd:00:320026 4 4<br \/>\n7: POSIX \u00a0ADVISORY \u00a0READ \u00a02686 fd:00:320025 4 4<br \/>\n8: POSIX \u00a0ADVISORY \u00a0READ \u00a02686 fd:00:320024 4 4<br \/>\n9: POSIX \u00a0ADVISORY \u00a0READ \u00a02686 fd:00:320021 4 4<br \/>\n10: POSIX \u00a0ADVISORY \u00a0WRITE 2686 fd:00:288614 0 0<br \/>\n11: FLOCK \u00a0ADVISORY \u00a0WRITE 2641 fd:00:288138 0 EOF<br \/>\n12: POSIX \u00a0ADVISORY \u00a0WRITE 2592 fd:00:288509 0 EOF<br \/>\n13: POSIX \u00a0ADVISORY \u00a0WRITE 2592 fd:00:288508 0 EOF<br \/>\n14: POSIX \u00a0ADVISORY \u00a0WRITE 2592 fd:00:288507 0 EOF<br \/>\n15: POSIX \u00a0ADVISORY \u00a0WRITE 2457 fd:00:288680 1024 2047<\/p>\n<p>[root@server ~]# cat \/proc\/net\/tcp<br \/>\nsl \u00a0local_address rem_address \u00a0 st tx_queue rx_queue tr tm-&gt;when retrnsmt \u00a0 uid \u00a0timeout inode<br \/>\n0: 00000000:0185 00000000:0000 0A 00000000:00000000 00:00000000 00000000 \u00a0 \u00a0 0 \u00a0 \u00a0 \u00a0 \u00a00 7642 1 c8adbb40 3000 0 0 2 -1<br \/>\n1: 0100007F:0CEA 00000000:0000 0A 00000000:00000000 00:00000000 00000000 \u00a0 \u00a027 \u00a0 \u00a0 \u00a0 \u00a00 7887 1 c8adb240 3000 0 0 2 -1<br \/>\n2: 00000000:008B 00000000:0000 0A 00000000:00000000 00:00000000 00000000 \u00a0 \u00a0 0 \u00a0 \u00a0 \u00a0 \u00a00 8138 1 c8ada4c0 3000 0 0 2 -1<br \/>\n3: 00000000:006F 00000000:0000 0A 00000000:00000000 00:00000000 00000000 \u00a0 \u00a0 0 \u00a0 \u00a0 \u00a0 \u00a00 7482 1 c9720040 3000 0 0 2 -1<br \/>\n4: 00000000:0015 00000000:0000 0A 00000000:00000000 00:00000000 00000000 \u00a0 \u00a0 0 \u00a0 \u00a0 \u00a0 \u00a00 7778 1 c8adb6c0 3000 0 0 2 -1<br \/>\n5: 0708A8C0:0035 00000000:0000 0A 00000000:00000000 00:00000000 00000000 \u00a0 \u00a025 \u00a0 \u00a0 \u00a0 \u00a00 7399 1 c9720940 3000 0 0 2 -1<br \/>\n6: 0808A8C0:0035 00000000:0000 0A 00000000:00000000 00:00000000 00000000 \u00a0 \u00a025 \u00a0 \u00a0 \u00a0 \u00a00 7397 1 c9720dc0 3000 0 0 2 -1<br \/>\n7: 0908A8C0:0035 00000000:0000 0A 00000000:00000000 00:00000000 00000000 \u00a0 \u00a025 \u00a0 \u00a0 \u00a0 \u00a00 7395 1 c9721240 3000 0 0 2 -1<br \/>\n8: 0A08A8C0:0035 00000000:0000 0A 00000000:00000000 00:00000000 00000000 \u00a0 \u00a025 \u00a0 \u00a0 \u00a0 \u00a00 7393 1 c97216c0 3000 0 0 2 -1<br \/>\n9: 0100007F:0035 00000000:0000 0A 00000000:00000000 00:00000000 00000000 \u00a0 \u00a025 \u00a0 \u00a0 \u00a0 \u00a00 7391 1 c9721b40 3000 0 0 2 -1<br \/>\n10: 0100007F:03B9 00000000:0000 0A 00000000:00000000 00:00000000 00000000 \u00a0 \u00a025 \u00a0 \u00a0 \u00a0 \u00a00 7407 1 c97204c0 3000 0 0 2 -1<br \/>\n11: 00000000:01BD 00000000:0000 0A 00000000:00000000 00:00000000 00000000 \u00a0 \u00a0 0 \u00a0 \u00a0 \u00a0 \u00a00 8137 1 c8ada940 3000 0 0 2 -1<br \/>\n12: 0908A8C0:D26D 3208A8C0:0016 02 00000001:00000000 01:000000DF 00000000 \u00a0 502 \u00a0 \u00a0 \u00a0 \u00a00 143213 3 c28d9b40 3000 0 0 2 -1<br \/>\n[root@server ~]#<br \/>\n[root@server ~]# cat \/proc\/net\/udp<br \/>\nsl \u00a0local_address rem_address \u00a0 st tx_queue rx_queue tr tm-&gt;when retrnsmt \u00a0 uid \u00a0timeout inode<br \/>\n9: 0A08A8C0:0089 00000000:0000 07 00000000:00000000 00:00000000 00000000 \u00a0 \u00a0 0 \u00a0 \u00a0 \u00a0 \u00a00 8108 2 c4db8d00<br \/>\n9: 0908A8C0:0089 00000000:0000 07 00000000:00000000 00:00000000 00000000 \u00a0 \u00a0 0 \u00a0 \u00a0 \u00a0 \u00a00 8106 2 c4db32c0<br \/>\n9: 0808A8C0:0089 00000000:0000 07 00000000:00000000 00:00000000 00000000 \u00a0 \u00a0 0 \u00a0 \u00a0 \u00a0 \u00a00 8104 2 c4db36c0<br \/>\n9: 0708A8C0:0089 00000000:0000 07 00000000:00000000 00:00000000 00000000 \u00a0 \u00a0 0 \u00a0 \u00a0 \u00a0 \u00a00 8102 2 c4db3ac0<br \/>\n9: 00000000:0089 00000000:0000 07 00000000:00000000 00:00000000 00000000 \u00a0 \u00a0 0 \u00a0 \u00a0 \u00a0 \u00a00 8099 2 c8a04080<br \/>\n10: 0A08A8C0:008A 00000000:0000 07 00000000:00000000 00:00000000 00000000 \u00a0 \u00a0 0 \u00a0 \u00a0 \u00a0 \u00a00 8109 2 c4db8b00<br \/>\n10: 0908A8C0:008A 00000000:0000 07 00000000:00000000 00:00000000 00000000 \u00a0 \u00a0 0 \u00a0 \u00a0 \u00a0 \u00a00 8107 2 c4db30c0<br \/>\n10: 0808A8C0:008A 00000000:0000 07 00000000:00000000 00:00000000 00000000 \u00a0 \u00a0 0 \u00a0 \u00a0 \u00a0 \u00a00 8105 2 c4db34c0<br \/>\n10: 0708A8C0:008A 00000000:0000 07 00000000:00000000 00:00000000 00000000 \u00a0 \u00a0 0 \u00a0 \u00a0 \u00a0 \u00a00 8103 2 c4db38c0<br \/>\n10: 00000000:008A 00000000:0000 07 00000000:00000000 00:00000000 00000000 \u00a0 \u00a0 0 \u00a0 \u00a0 \u00a0 \u00a00 8100 2 c4db3cc0<br \/>\n53: 00000000:0035 00000000:0000 07 00000000:00000000 00:00000000 00000000 \u00a0 \u00a025 \u00a0 \u00a0 \u00a0 \u00a00 7403 2 c96e9c40<br \/>\n53: 0708A8C0:0035 00000000:0000 07 00000000:00000000 00:00000000 00000000 \u00a0 \u00a025 \u00a0 \u00a0 \u00a0 \u00a00 7398 2 c96e9240<br \/>\n53: 0808A8C0:0035 00000000:0000 07 00000000:00000000 00:00000000 00000000 \u00a0 \u00a025 \u00a0 \u00a0 \u00a0 \u00a00 7396 2 c96e9440<br \/>\n53: 0908A8C0:0035 00000000:0000 07 00000000:00000000 00:00000000 00000000 \u00a0 \u00a025 \u00a0 \u00a0 \u00a0 \u00a00 7394 2 c96e9640<br \/>\n53: 0A08A8C0:0035 00000000:0000 07 00000000:00000000 00:00000000 00000000 \u00a0 \u00a025 \u00a0 \u00a0 \u00a0 \u00a00 7392 2 c96e9840<br \/>\n53: 0100007F:0035 00000000:0000 07 00000000:00000000 00:00000000 00000000 \u00a0 \u00a025 \u00a0 \u00a0 \u00a0 \u00a00 7390 2 c96e9a40<br \/>\n111: 00000000:006F 00000000:0000 07 00000000:00000000 00:00000000 00000000 \u00a0 \u00a0 0 \u00a0 \u00a0 \u00a0 \u00a00 7476 2 c96e9040<br \/>\n123: 0708A8C0:007B 00000000:0000 07 00000000:00000000 00:00000000 00000000 \u00a0 \u00a0 0 \u00a0 \u00a0 \u00a0 \u00a00 7770 2 c8a04280<br \/>\n123: 0808A8C0:007B 00000000:0000 07 00000000:00000000 00:00000000 00000000 \u00a0 \u00a0 0 \u00a0 \u00a0 \u00a0 \u00a00 7769 2 c8a04480<br \/>\n123: 0908A8C0:007B 00000000:0000 07 00000000:00000000 00:00000000 00000000 \u00a0 \u00a0 0 \u00a0 \u00a0 \u00a0 \u00a00 7768 2 c8a04680<br \/>\n123: 0A08A8C0:007B 00000000:0000 07 00000000:00000000 00:00000000 00000000 \u00a0 \u00a0 0 \u00a0 \u00a0 \u00a0 \u00a00 7767 2 c8a04880<br \/>\n123: 0100007F:007B 00000000:0000 07 00000000:00000000 00:00000000 00000000 \u00a0 \u00a0 0 \u00a0 \u00a0 \u00a0 \u00a00 7766 2 c8a04a80<br \/>\n123: 00000000:007B 00000000:0000 07 00000000:00000000 00:00000000 00000000 \u00a0 \u00a0 0 \u00a0 \u00a0 \u00a0 \u00a00 7762 2 c8a04c80<\/p>\n<p>[root@server ~]# cat \/proc\/net\/protocols<br \/>\nprotocol \u00a0size sockets \u00a0memory press maxhdr \u00a0slab module \u00a0 \u00a0 cl co di ac io in de sh ss gs se re sp bi br ha uh gp em<br \/>\nRAWv6 \u00a0 \u00a0 \u00a0648 \u00a0 \u00a0 -1 \u00a0 \u00a0 \u00a0-1 \u00a0 NI \u00a0 \u00a0 \u00a0 0 \u00a0 yes \u00a0ipv6 \u00a0 \u00a0 \u00a0 \u00a0y \u00a0y \u00a0y \u00a0n \u00a0y \u00a0y \u00a0y \u00a0n \u00a0y \u00a0y \u00a0y \u00a0y \u00a0n \u00a0y \u00a0y \u00a0y \u00a0y \u00a0n \u00a0n<br \/>\nUDPv6 \u00a0 \u00a0 \u00a0620 \u00a0 \u00a0 -1 \u00a0 \u00a0 \u00a0 0 \u00a0 NI \u00a0 \u00a0 \u00a0 0 \u00a0 yes \u00a0ipv6 \u00a0 \u00a0 \u00a0 \u00a0y \u00a0y \u00a0y \u00a0n \u00a0y \u00a0n \u00a0y \u00a0n \u00a0y \u00a0y \u00a0y \u00a0y \u00a0n \u00a0n \u00a0y \u00a0y \u00a0y \u00a0y \u00a0n<br \/>\nTCPv6 \u00a0 \u00a0 1248 \u00a0 \u00a0 19 \u00a0 \u00a0 \u00a0 1 \u00a0 no \u00a0 \u00a0 224 \u00a0 yes \u00a0ipv6 \u00a0 \u00a0 \u00a0 \u00a0y \u00a0y \u00a0y \u00a0y \u00a0y \u00a0y \u00a0y \u00a0y \u00a0y \u00a0y \u00a0y \u00a0y \u00a0n \u00a0n \u00a0y \u00a0y \u00a0y \u00a0y \u00a0y<br \/>\nPACKET \u00a0 \u00a0 444 \u00a0 \u00a0 -1 \u00a0 \u00a0 \u00a0-1 \u00a0 NI \u00a0 \u00a0 \u00a0 0 \u00a0 no \u00a0 kernel \u00a0 \u00a0 \u00a0n \u00a0n \u00a0n \u00a0n \u00a0n \u00a0n \u00a0n \u00a0n \u00a0n \u00a0n \u00a0n \u00a0n \u00a0n \u00a0n \u00a0n \u00a0n \u00a0n \u00a0n \u00a0n<br \/>\nUNIX \u00a0 \u00a0 \u00a0 416 \u00a0 \u00a0 -1 \u00a0 \u00a0 \u00a0-1 \u00a0 NI \u00a0 \u00a0 \u00a0 0 \u00a0 yes \u00a0kernel \u00a0 \u00a0 \u00a0n \u00a0n \u00a0n \u00a0n \u00a0n \u00a0n \u00a0n \u00a0n \u00a0n \u00a0n \u00a0n \u00a0n \u00a0n \u00a0n \u00a0n \u00a0n \u00a0n \u00a0n \u00a0n<br \/>\nRAW \u00a0 \u00a0 \u00a0 \u00a0500 \u00a0 \u00a0 -1 \u00a0 \u00a0 \u00a0-1 \u00a0 NI \u00a0 \u00a0 \u00a0 0 \u00a0 yes \u00a0kernel \u00a0 \u00a0 \u00a0y \u00a0y \u00a0y \u00a0n \u00a0y \u00a0y \u00a0n \u00a0n \u00a0y \u00a0y \u00a0y \u00a0y \u00a0n \u00a0y \u00a0y \u00a0y \u00a0y \u00a0n \u00a0n<br \/>\nUDP \u00a0 \u00a0 \u00a0 \u00a0508 \u00a0 \u00a0 -1 \u00a0 \u00a0 \u00a0 0 \u00a0 NI \u00a0 \u00a0 \u00a0 0 \u00a0 yes \u00a0kernel \u00a0 \u00a0 \u00a0y \u00a0y \u00a0y \u00a0n \u00a0y \u00a0n \u00a0y \u00a0n \u00a0y \u00a0y \u00a0y \u00a0y \u00a0y \u00a0n \u00a0y \u00a0y \u00a0y \u00a0y \u00a0n<br \/>\nTCP \u00a0 \u00a0 \u00a0 1136 \u00a0 \u00a0 19 \u00a0 \u00a0 \u00a0 1 \u00a0 no \u00a0 \u00a0 224 \u00a0 yes \u00a0kernel \u00a0 \u00a0 \u00a0y \u00a0y \u00a0y \u00a0y \u00a0y \u00a0y \u00a0y \u00a0y \u00a0y \u00a0y \u00a0y \u00a0y \u00a0n \u00a0n \u00a0y \u00a0y \u00a0y \u00a0y \u00a0y<br \/>\nNETLINK \u00a0 \u00a0404 \u00a0 \u00a0 -1 \u00a0 \u00a0 \u00a0-1 \u00a0 NI \u00a0 \u00a0 \u00a0 0 \u00a0 no \u00a0 kernel \u00a0 \u00a0 \u00a0n \u00a0n \u00a0n \u00a0n \u00a0n \u00a0n \u00a0n \u00a0n \u00a0n \u00a0n \u00a0n \u00a0n \u00a0n \u00a0n \u00a0n \u00a0n \u00a0n \u00a0n \u00a0n<\/p>\n<p>[root@server ~]# cat \/proc\/partitions<br \/>\nmajor minor \u00a0#blocks \u00a0name<\/p>\n<p>8 \u00a0 \u00a0 0 \u00a0 31457280 sda<br \/>\n8 \u00a0 \u00a0 1 \u00a0 \u00a0 104391 sda1<br \/>\n8 \u00a0 \u00a0 2 \u00a0 20860402 sda2<br \/>\n253 \u00a0 \u00a0 0 \u00a0 \u00a07168000 dm-0<br \/>\n253 \u00a0 \u00a0 1 \u00a0 \u00a0 512000 dm-1<br \/>\n253 \u00a0 \u00a0 2 \u00a0 \u00a03891200 dm-2<br \/>\n253 \u00a0 \u00a0 3 \u00a0 \u00a02048000 dm-3<\/p>\n<p>[root@server ~]# cat \/proc\/schedstat<br \/>\nversion 12<br \/>\ntimestamp 2436227<br \/>\ncpu0 4336 4336 7 4343 7528 307075 58464 139144 139144 192048 1771799 248611<br \/>\ndomain0 00000001 661081 661081 0 0 0 0 0 661081 360 360 0 0 0 0 0 360 58464 58464 0 0 0 0 0 58464 0 0 0 0 0 0 0 0 0 0 0 0<br \/>\n[root@server ~]#<\/p>\n<p>[root@server ~]# cat \/proc\/stat<br \/>\ncpu \u00a02085 0 18967 484888 2403 42 607 0<br \/>\ncpu0 2085 0 18967 484888 2403 42 607 0<br \/>\nintr 2808623 2749553 12 0 2 2 0 5 0 1 0 0 0 116 0 0 21 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 33013 0 0 0 0 0 0 0 37 0 0 0 0 0 0 0 25861 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0<br \/>\nctxt 302029<br \/>\nbtime 1314166387<br \/>\nprocesses 37438<br \/>\nprocs_running 1<br \/>\nprocs_blocked 0<\/p>\n<p>[root@server ~]# cat \/proc\/swaps<br \/>\nFilename \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0Type \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0Size \u00a0 \u00a0Used \u00a0 \u00a0Priority<br \/>\n\/dev\/mapper\/MYVOL-SWAPer \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0partition \u00a0 \u00a0 \u00a0 511992 \u00a00 \u00a0 \u00a0 \u00a0 -1<br \/>\n\/extraswap \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0file \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0102392 \u00a00 \u00a0 \u00a0 \u00a0 -2<br \/>\n[root@server ~]#<\/p>\n<p>[root@server ~]# cat \/proc\/scsi\/scsi<br \/>\nAttached devices:<br \/>\nHost: scsi0 Channel: 00 Id: 00 Lun: 00<br \/>\nVendor: VMware, \u00a0Model: VMware Virtual S Rev: 1.0<br \/>\nType: \u00a0 Direct-Access \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0ANSI SCSI revision: 02<br \/>\n[root@server ~]#<\/p>\n<p>[root@server ~]# cat \/proc\/tty\/drivers<br \/>\n\/dev\/tty \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \/dev\/tty \u00a0 \u00a0 \u00a0 \u00a05 \u00a0 \u00a0 \u00a0 0 system:\/dev\/tty<br \/>\n\/dev\/console \u00a0 \u00a0 \u00a0 \u00a0 \/dev\/console \u00a0 \u00a05 \u00a0 \u00a0 \u00a0 1 system:console<br \/>\n\/dev\/ptmx \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\/dev\/ptmx \u00a0 \u00a0 \u00a0 5 \u00a0 \u00a0 \u00a0 2 system<br \/>\n\/dev\/vc\/0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\/dev\/vc\/0 \u00a0 \u00a0 \u00a0 4 \u00a0 \u00a0 \u00a0 0 system:vtmaster<br \/>\nserial \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \/dev\/ttyS \u00a0 \u00a0 \u00a0 4 64-95 serial<br \/>\npty_slave \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\/dev\/pts \u00a0 \u00a0 \u00a0136 0-1048575 pty:slave<br \/>\npty_master \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \/dev\/ptm \u00a0 \u00a0 \u00a0128 0-1048575 pty:master<br \/>\nunknown \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\/dev\/tty \u00a0 \u00a0 \u00a0 \u00a04 1-63 console<\/p>\n<p>[root@server ~]# cat \/proc\/uptime<br \/>\n5253.31 4967.57<br \/>\n[root@server ~]#<\/p>\n<p>[root@server ~]# cat \/proc\/version<br \/>\nLinux version 2.6.18-164.el5 (mockbuild@builder16.centos.org) (gcc version 4.1.2 20080704 (Red Hat 4.1.2-46)) #1 SMP Thu Sep 3 03:33:56 EDT 2009<br \/>\n[root@server ~]# cat \/proc\/vmstat<br \/>\nnr_anon_pages 9791<br \/>\nnr_mapped 3984<br \/>\nnr_file_pages 30072<br \/>\nnr_slab 3002<br \/>\nnr_page_table_pages 521<br \/>\nnr_dirty 107<br \/>\nnr_writeback 0<br \/>\nnr_unstable 0<br \/>\nnr_bounce 0<br \/>\npgpgin 183179<br \/>\npgpgout 345817<br \/>\npswpin 0<br \/>\npswpout 0<br \/>\npgalloc_dma 8166<br \/>\npgalloc_dma32 0<br \/>\npgalloc_normal 3542647<br \/>\npgalloc_high 0<br \/>\npgfree 3561159<br \/>\npgactivate 41504<br \/>\npgdeactivate 13669<br \/>\npgfault 12248866<br \/>\npgmajfault 885<br \/>\npgrefill_dma 1954<br \/>\npgrefill_dma32 0<br \/>\npgrefill_normal 22667<br \/>\npgrefill_high 0<br \/>\npgsteal_dma 1177<br \/>\npgsteal_dma32 0<br \/>\npgsteal_normal 13810<br \/>\npgsteal_high 0<br \/>\npgscan_kswapd_dma 576<br \/>\npgscan_kswapd_dma32 0<br \/>\npgscan_kswapd_normal 7328<br \/>\npgscan_kswapd_high 0<br \/>\npgscan_direct_dma 608<br \/>\npgscan_direct_dma32 0<br \/>\npgscan_direct_normal 7744<br \/>\npgscan_direct_high 0<br \/>\npginodesteal 213<br \/>\nslabs_scanned 23552<br \/>\nkswapd_steal 7342<br \/>\nkswapd_inodesteal 289<br \/>\npageoutrun 198<br \/>\nallocstall 142<br \/>\npgrotated 0<\/p>\n<p>[root@server ~]#<br \/>\n[root@server ~]# vmstat -m<\/p>\n<p>## Check NC status<br \/>\n[root@server ~]# mii-tool eth0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Monitor Your System Performance in Linux<\/p>\n<p>&nbsp;<\/p>\n<p>@server ~]# uptime 13:14:02 up 1:30, 2 users, load average: 0.04, 0.26, 0.27<\/p>\n<p>[root@server ~]# ps -eo %u | sort | uniq -c | sort -rn<\/p>\n<p>[root@server ~]# sar -c ## Process\/sec Linux 2.6.18-164.el5 (server.scratch.com) 08\/24\/2011<\/p>\n<p>11:50:01 AM proc\/s 12:00:01 PM 6.87 12:10:01 PM 6.90 12:20:01 PM 7.10 [&#8230;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17],"tags":[],"_links":{"self":[{"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/posts\/696"}],"collection":[{"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mohan.sg\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=696"}],"version-history":[{"count":4,"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/posts\/696\/revisions"}],"predecessor-version":[{"id":698,"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/posts\/696\/revisions\/698"}],"wp:attachment":[{"href":"https:\/\/mohan.sg\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=696"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mohan.sg\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=696"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mohan.sg\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=696"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}