Monitor Your System Performance using following commands
[root@redhat ~]#
uptime
13:14:02 up 1:30, 2 users, load average: 0.04, 0.26, 0.27
[root@redhat ~]# ps -eo %u | sort | uniq -c | sort -rn
56 root
22 nagios
8 apache
1 xfs
1 RUSER
1 rpc
1 ntp
1 named
1 mysql
1 ldap
[root@redhat ~]# sar -c ## Process/sec
Linux 2.6.18-164.el5 (redhat.scratch.com) 08/24/2011
11:50:01 AM proc/s
12:00:01 PM 6.87
12:10:01 PM 6.90
12:20:01 PM 7.10
12:30:01 PM 6.77
12:40:01 PM 6.99
12:50:01 PM 6.85
01:00:01 PM 6.83
01:10:01 PM 6.92
Average: 6.90
[root@redhat ~]# sar -b ## Data r/wr ps
Linux 2.6.18-164.el5 (redhat.scratch.com) 08/24/2011
11:50:01 AM tps rtps wtps bread/s bwrtn/s
12:00:01 PM 24.81 0.18 24.63 6.37 376.94
12:10:01 PM 26.14 0.33 25.81 10.68 388.21
12:20:01 PM 57.68 28.05 29.63 620.21 466.02
12:30:01 PM 24.16 0.13 24.03 1.92 369.00
12:40:01 PM 24.55 0.10 24.44 1.70 374.73
12:50:01 PM 25.07 0.14 24.93 4.31 380.10
01:00:01 PM 24.95 0.58 24.37 6.20 377.88
01:10:01 PM 24.57 0.01 24.56 0.04 376.16
Average: 28.98 3.68 25.30 81.17 388.59
[root@redhat ~]# iostat -k
Linux 2.6.18-164.el5 (redhat.scratch.com) 08/24/2011
avg-cpu: %user %nice %system %iowait %steal %idle
0.40 0.00 3.84 0.44 0.00 95.32
Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn
sda 6.60 32.24 65.92 177987 363873
sda1 0.10 0.21 0.00 1163 5
sda2 6.50 32.01 65.92 176684 363868
dm-0 20.19 31.54 65.91 174109 363844
dm-1 0.02 0.08 0.00 440 0
dm-2 0.06 0.25 0.00 1397 20
dm-3 0.03 0.11 0.00 613 4
# cat /proc/stat
cpu 1864 0 16482 416939 2375 34 527 0
cpu0 1864 0 16482 416939 2375 34 527 0
intr 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
ctxt 258727
btime 1314166387
processes 32539
procs_running 1
procs_blocked 0
# cat /proc/meminfo
13:14:02 up 1:30, 2 users, load average: 0.04, 0.26, 0.27
[root@redhat ~]# ps -eo %u | sort | uniq -c | sort -rn
56 root
22 nagios
8 apache
1 xfs
1 RUSER
1 rpc
1 ntp
1 named
1 mysql
1 ldap
[root@redhat ~]# sar -c ## Process/sec
Linux 2.6.18-164.el5 (redhat.scratch.com) 08/24/2011
11:50:01 AM proc/s
12:00:01 PM 6.87
12:10:01 PM 6.90
12:20:01 PM 7.10
12:30:01 PM 6.77
12:40:01 PM 6.99
12:50:01 PM 6.85
01:00:01 PM 6.83
01:10:01 PM 6.92
Average: 6.90
[root@redhat ~]# sar -b ## Data r/wr ps
Linux 2.6.18-164.el5 (redhat.scratch.com) 08/24/2011
11:50:01 AM tps rtps wtps bread/s bwrtn/s
12:00:01 PM 24.81 0.18 24.63 6.37 376.94
12:10:01 PM 26.14 0.33 25.81 10.68 388.21
12:20:01 PM 57.68 28.05 29.63 620.21 466.02
12:30:01 PM 24.16 0.13 24.03 1.92 369.00
12:40:01 PM 24.55 0.10 24.44 1.70 374.73
12:50:01 PM 25.07 0.14 24.93 4.31 380.10
01:00:01 PM 24.95 0.58 24.37 6.20 377.88
01:10:01 PM 24.57 0.01 24.56 0.04 376.16
Average: 28.98 3.68 25.30 81.17 388.59
[root@redhat ~]# iostat -k
Linux 2.6.18-164.el5 (redhat.scratch.com) 08/24/2011
avg-cpu: %user %nice %system %iowait %steal %idle
0.40 0.00 3.84 0.44 0.00 95.32
Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn
sda 6.60 32.24 65.92 177987 363873
sda1 0.10 0.21 0.00 1163 5
sda2 6.50 32.01 65.92 176684 363868
dm-0 20.19 31.54 65.91 174109 363844
dm-1 0.02 0.08 0.00 440 0
dm-2 0.06 0.25 0.00 1397 20
dm-3 0.03 0.11 0.00 613 4
# cat /proc/stat
cpu 1864 0 16482 416939 2375 34 527 0
cpu0 1864 0 16482 416939 2375 34 527 0
intr 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
ctxt 258727
btime 1314166387
processes 32539
procs_running 1
procs_blocked 0
# cat /proc/meminfo
MemTotal: 218872 kB
MemFree: 36680 kB
Buffers: 40416 kB
Cached: 79080 kB
SwapCached: 0 kB
Active: 116728 kB
Inactive: 47320 kB
HighTotal: 0 kB
HighFree: 0 kB
LowTotal: 218872 kB
LowFree: 36680 kB
SwapTotal: 614384 kB
SwapFree: 614384 kB
Dirty: 460 kBWriteback: 0 kB
AnonPages: 44556 kB
Mapped: 15936 kB
Slab: 11628 kB
PageTables: 2320 kB
NFS_Unstable: 0 kB
Bounce: 0 kB
CommitLimit: 723820 kB
Committed_AS: 376900 kB
VmallocTotal: 802808 kB
VmallocUsed: 3564 kB
VmallocChunk: 798832 kB
HugePages_Total: 0
HugePages_Free: 0
HugePages_Rsvd: 0
Hugepagesize: 4096 kB
[root@redhat ~]# cat /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 23
model name : Pentium(R) Dual-Core CPU E5300 @ 2.60GHz
stepping : 10
cpu MHz : 2592.870
cache size : 2048 KB
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 13
wp : yes
flags : 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
bogomips : 5185.74
[root@redhat ~]# cat /proc/buddyinfo
Node 0, zone DMA 37 33 31 29 19 12 9 2 0 0 0
Node 0, zone Normal 2217 861 467 317 71 17 6 1 1 0 0
[root@redhat ~]# cat /proc/execdomains
0-0 Linux [kernel]
[root@redhat ~]# cat /proc/filesystems
nodev sysfs
nodev rootfs
nodev bdev
nodev proc
nodev cpuset
nodev binfmt_misc
nodev debugfs
nodev securityfs
nodev sockfs
nodev usbfs
nodev pipefs
nodev anon_inodefs
nodev futexfs
nodev tmpfs
nodev inotifyfs
nodev eventpollfs
nodev devpts
ext2
nodev ramfs
nodev hugetlbfs
iso9660
nodev mqueue
ext3
[root@redhat ~]# cat /proc/interrupts
CPU0
0: 2539099 IO-APIC-edge timer
1: 12 IO-APIC-edge i8042
6: 5 IO-APIC-edge floppy
7: 0 IO-APIC-edge parport0
8: 1 IO-APIC-edge rtc
9: 0 IO-APIC-level acpi
12: 116 IO-APIC-edge i8042
15: 21 IO-APIC-edge ide1
51: 31376 IO-APIC-level ehci_hcd:usb1, ioc0
59: 37 IO-APIC-level uhci_hcd:usb2
67: 19497 IO-APIC-level eth0
75: 0 IO-APIC-level Ensoniq AudioPCI
NMI: 0
LOC: 4700127
ERR: 0
MIS: 0
[root@redhat ~]# cat /proc/locks
1: POSIX ADVISORY READ 2689 fd:00:320039 4 4
2: POSIX ADVISORY WRITE 2732 fd:00:931460 0 EOF
3: POSIX ADVISORY READ 2689 fd:00:320021 4 4
4: POSIX ADVISORY WRITE 2689 fd:00:288615 0 0
5: POSIX ADVISORY READ 2686 fd:00:320027 4 4
6: POSIX ADVISORY READ 2686 fd:00:320026 4 4
7: POSIX ADVISORY READ 2686 fd:00:320025 4 4
8: POSIX ADVISORY READ 2686 fd:00:320024 4 4
9: POSIX ADVISORY READ 2686 fd:00:320021 4 4
10: POSIX ADVISORY WRITE 2686 fd:00:288614 0 0
11: FLOCK ADVISORY WRITE 2641 fd:00:288138 0 EOF
12: POSIX ADVISORY WRITE 2592 fd:00:288509 0 EOF
13: POSIX ADVISORY WRITE 2592 fd:00:288508 0 EOF
14: POSIX ADVISORY WRITE 2592 fd:00:288507 0 EOF
15: POSIX ADVISORY WRITE 2457 fd:00:288680 1024 2047
[root@redhat ~]# cat /proc/net/tcp
sl local_address rem_address st tx_queue rx_queue tr tm->when retrnsmt uid timeout inode
0: 00000000:0185 00000000:0000 0A 00000000:00000000 00:00000000 00000000 0 0 7642 1 c8adbb40 3000 0 0 2 -1
1: 0100007F:0CEA 00000000:0000 0A 00000000:00000000 00:00000000 00000000 27 0 7887 1 c8adb240 3000 0 0 2 -1
2: 00000000:008B 00000000:0000 0A 00000000:00000000 00:00000000 00000000 0 0 8138 1 c8ada4c0 3000 0 0 2 -1
3: 00000000:006F 00000000:0000 0A 00000000:00000000 00:00000000 00000000 0 0 7482 1 c9720040 3000 0 0 2 -1
4: 00000000:0015 00000000:0000 0A 00000000:00000000 00:00000000 00000000 0 0 7778 1 c8adb6c0 3000 0 0 2 -1
5: 0708A8C0:0035 00000000:0000 0A 00000000:00000000 00:00000000 00000000 25 0 7399 1 c9720940 3000 0 0 2 -1
6: 0808A8C0:0035 00000000:0000 0A 00000000:00000000 00:00000000 00000000 25 0 7397 1 c9720dc0 3000 0 0 2 -1
7: 0908A8C0:0035 00000000:0000 0A 00000000:00000000 00:00000000 00000000 25 0 7395 1 c9721240 3000 0 0 2 -1
8: 0A08A8C0:0035 00000000:0000 0A 00000000:00000000 00:00000000 00000000 25 0 7393 1 c97216c0 3000 0 0 2 -1
9: 0100007F:0035 00000000:0000 0A 00000000:00000000 00:00000000 00000000 25 0 7391 1 c9721b40 3000 0 0 2 -1
10: 0100007F:03B9 00000000:0000 0A 00000000:00000000 00:00000000 00000000 25 0 7407 1 c97204c0 3000 0 0 2 -1
11: 00000000:01BD 00000000:0000 0A 00000000:00000000 00:00000000 00000000 0 0 8137 1 c8ada940 3000 0 0 2 -1
12: 0908A8C0:D26D 3208A8C0:0016 02 00000001:00000000 01:000000DF 00000000 502 0 143213 3 c28d9b40 3000 0 0 2 -1
[root@redhat ~]# cat /proc/net/udp
sl local_address rem_address st tx_queue rx_queue tr tm->when retrnsmt uid timeout inode
9: 0A08A8C0:0089 00000000:0000 07 00000000:00000000 00:00000000 00000000 0 0 8108 2 c4db8d00
9: 0908A8C0:0089 00000000:0000 07 00000000:00000000 00:00000000 00000000 0 0 8106 2 c4db32c0
9: 0808A8C0:0089 00000000:0000 07 00000000:00000000 00:00000000 00000000 0 0 8104 2 c4db36c0
9: 0708A8C0:0089 00000000:0000 07 00000000:00000000 00:00000000 00000000 0 0 8102 2 c4db3ac0
9: 00000000:0089 00000000:0000 07 00000000:00000000 00:00000000 00000000 0 0 8099 2 c8a04080
10: 0A08A8C0:008A 00000000:0000 07 00000000:00000000 00:00000000 00000000 0 0 8109 2 c4db8b00
10: 0908A8C0:008A 00000000:0000 07 00000000:00000000 00:00000000 00000000 0 0 8107 2 c4db30c0
10: 0808A8C0:008A 00000000:0000 07 00000000:00000000 00:00000000 00000000 0 0 8105 2 c4db34c0
10: 0708A8C0:008A 00000000:0000 07 00000000:00000000 00:00000000 00000000 0 0 8103 2 c4db38c0
10: 00000000:008A 00000000:0000 07 00000000:00000000 00:00000000 00000000 0 0 8100 2 c4db3cc0
53: 00000000:0035 00000000:0000 07 00000000:00000000 00:00000000 00000000 25 0 7403 2 c96e9c40
53: 0708A8C0:0035 00000000:0000 07 00000000:00000000 00:00000000 00000000 25 0 7398 2 c96e9240
53: 0808A8C0:0035 00000000:0000 07 00000000:00000000 00:00000000 00000000 25 0 7396 2 c96e9440
53: 0908A8C0:0035 00000000:0000 07 00000000:00000000 00:00000000 00000000 25 0 7394 2 c96e9640
53: 0A08A8C0:0035 00000000:0000 07 00000000:00000000 00:00000000 00000000 25 0 7392 2 c96e9840
53: 0100007F:0035 00000000:0000 07 00000000:00000000 00:00000000 00000000 25 0 7390 2 c96e9a40
111: 00000000:006F 00000000:0000 07 00000000:00000000 00:00000000 00000000 0 0 7476 2 c96e9040
123: 0708A8C0:007B 00000000:0000 07 00000000:00000000 00:00000000 00000000 0 0 7770 2 c8a04280
123: 0808A8C0:007B 00000000:0000 07 00000000:00000000 00:00000000 00000000 0 0 7769 2 c8a04480
123: 0908A8C0:007B 00000000:0000 07 00000000:00000000 00:00000000 00000000 0 0 7768 2 c8a04680
123: 0A08A8C0:007B 00000000:0000 07 00000000:00000000 00:00000000 00000000 0 0 7767 2 c8a04880
123: 0100007F:007B 00000000:0000 07 00000000:00000000 00:00000000 00000000 0 0 7766 2 c8a04a80
123: 00000000:007B 00000000:0000 07 00000000:00000000 00:00000000 00000000 0 0 7762 2 c8a04c80
[root@redhat ~]# cat /proc/net/protocols
protocol size sockets memory press maxhdr slab module cl co di ac io in de sh ss gs se re sp bi br ha uh gp em
RAWv6 648 -1 -1 NI 0 yes ipv6 y y y n y y y n y y y y n y y y y n n
UDPv6 620 -1 0 NI 0 yes ipv6 y y y n y n y n y y y y n n y y y y n
TCPv6 1248 19 1 no 224 yes ipv6 y y y y y y y y y y y y n n y y y y y
PACKET 444 -1 -1 NI 0 no kernel n n n n n n n n n n n n n n n n n n n
UNIX 416 -1 -1 NI 0 yes kernel n n n n n n n n n n n n n n n n n n n
RAW 500 -1 -1 NI 0 yes kernel y y y n y y n n y y y y n y y y y n n
UDP 508 -1 0 NI 0 yes kernel y y y n y n y n y y y y y n y y y y n
TCP 1136 19 1 no 224 yes kernel y y y y y y y y y y y y n n y y y y y
NETLINK 404 -1 -1 NI 0 no kernel n n n n n n n n n n n n n n n n n n n
[root@redhat ~]# cat /proc/partitions
major minor #blocks name
8 0 31457280 sda
8 1 104391 sda1
8 2 20860402 sda2
253 0 7168000 dm-0
253 1 512000 dm-1
253 2 3891200 dm-2
253 3 2048000 dm-3
[root@redhat ~]# cat /proc/schedstat
version 12
timestamp 2436227
cpu0 4336 4336 7 4343 7528 307075 58464 139144 139144 192048 1771799 248611
domain0 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
[root@redhat ~]# cat /proc/stat
cpu 2085 0 18967 484888 2403 42 607 0
cpu0 2085 0 18967 484888 2403 42 607 0
intr 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
ctxt 302029
btime 1314166387
processes 37438
procs_running 1
procs_blocked 0
[root@redhat ~]# cat /proc/swaps
Filename Type Size Used Priority
/dev/mapper/MYVOL-SWAPer partition 511992 0 -1
/extraswap file 102392 0 -2
[root@redhat ~]# cat /proc/scsi/scsi
Attached devices:
Host: scsi0 Channel: 00 Id: 00 Lun: 00
Vendor: VMware, Model: VMware Virtual S Rev: 1.0
Type: Direct-Access ANSI SCSI revision: 02
[root@redhat ~]#
[root@redhat ~]# cat /proc/tty/drivers
/dev/tty /dev/tty 5 0 system:/dev/tty
/dev/console /dev/console 5 1 system:console
/dev/ptmx /dev/ptmx 5 2 system
/dev/vc/0 /dev/vc/0 4 0 system:vtmaster
serial /dev/ttyS 4 64-95 serial
pty_slave /dev/pts 136 0-1048575 pty:slave
pty_master /dev/ptm 128 0-1048575 pty:master
unknown /dev/tty 4 1-63 console
[root@redhat ~]# cat /proc/uptime
5253.31 4967.57
[root@redhat ~]# cat /proc/version
Linux 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
[root@redhat ~]# cat /proc/vmstat
nr_anon_pages 9791
nr_mapped 3984
nr_file_pages 30072
nr_slab 3002
nr_page_table_pages 521
nr_dirty 107
nr_writeback 0
nr_unstable 0
nr_bounce 0
pgpgin 183179
pgpgout 345817
pswpin 0
pswpout 0
pgalloc_dma 8166
pgalloc_dma32 0
pgalloc_normal 3542647
pgalloc_high 0
pgfree 3561159
pgactivate 41504
pgdeactivate 13669
pgfault 12248866
pgmajfault 885
pgrefill_dma 1954
pgrefill_dma32 0
pgrefill_normal 22667
pgrefill_high 0
pgsteal_dma 1177
pgsteal_dma32 0
pgsteal_normal 13810
pgsteal_high 0
pgscan_kswapd_dma 576
pgscan_kswapd_dma32 0
pgscan_kswapd_normal 7328
pgscan_kswapd_high 0
pgscan_direct_dma 608
pgscan_direct_dma32 0
pgscan_direct_normal 7744
pgscan_direct_high 0
pginodesteal 213
slabs_scanned 23552
kswapd_steal 7342
kswapd_inodesteal 289
pageoutrun 198
allocstall 142
pgrotated 0
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