150. sar¶
150.1. 查看网络性能¶
sar -n DEV 1
Average: IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil
Average: enp139s0 531.83 543.08 701.08 695.39 0.00 0.00 0.00 0.06
Average: enp125s0f2 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Average: enp125s0f3 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Average: enp125s0f1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Average: enp125s0f0 27.57 48.99 1.96 5.88 0.00 0.00 0.00 0.00
Average: enp131s0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Average: enp138s0 32810.45 19189.66 3207.88 685787.70 0.00 0.00 0.00 56.18
Average: enp140s0 500.32 513.04 667.00 663.98 0.00 0.00 0.00 0.05
Average: bond1 1032.14 1056.12 1368.08 1359.36 0.00 0.00 0.00 0.06
Average: lo 98.53 98.53 244.92 244.92 0.00 0.00 0.00 0.00
Average: bond0 66661.68 39426.31 6489.19 1411346.36 0.00 0.00 0.00 57.81
Average: enp134s0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Average: enp137s0 33851.24 20236.65 3281.31 725558.67 0.00 0.00 0.00 59.44
Average: enp133s0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Average: enp132s0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
150.2. 查看缺页中断¶
sar -B 1
12:44:19 AM pgpgin/s pgpgout/s fault/s majflt/s pgfree/s pgscank/s pgscand/s pgsteal/s %vmeff
12:44:21 AM 0.00 0.00 1567.50 0.00 10067.50 0.00 0.00 0.00 0.00
12:44:23 AM 0.00 0.00 308.00 0.00 57089.50 0.00 0.00 0.00 0.00
12:44:25 AM 0.00 0.00 1854.00 0.00 58106.00 0.00 0.00 0.00 0.00
12:44:27 AM 0.00 0.00 681.50 0.00 136089.50 0.00 0.00 0.00 0.00
12:44:29 AM 0.00 0.00 395.00 0.00 84721.00 0.00 0.00 0.00 0.00
12:44:31 AM 0.00 0.00 1826.00 0.00 92157.00 0.00 0.00 0.00 0.00
12:44:33 AM 0.00 0.00 307.00 0.00 9526.50 0.00 0.00 0.00 0.00
12:44:35 AM 0.00 0.00 1136.50 0.00 9094.00 0.00 0.00 0.00 0.00
12:44:37 AM 0.00 12.00 684.50 0.00 7098.00 0.00 0.00 0.00 0.00
12:44:39 AM 0.00 0.00 1980.50 0.00 59208.00 0.00 0.00 0.00 0.00
Where,
3 = interval 10 = count
To view process creation statistics, enter: # sar -c 3 10
To view I/O and transfer rate statistics, enter: # sar -b 3 10
To view paging statistics, enter: # sar -B 3 10
To view block device statistics, enter: # sar -d 3 10
To view statistics for all interrupt statistics, enter: # sar -I XALL 3 10
To view device specific network statistics, enter: # sar -n DEV 3 10 # sar -n EDEV 3 10
To view CPU specific statistics, enter: # sar -P ALL # Only 1st CPU stats # sar -P 1 3 10
To view queue length and load averages statistics, enter: # sar -q 3 10
To view memory and swap space utilization statistics, enter: # sar -r 3 10 # sar -R 3 10
To view status of inode, file and other kernel tables statistics, enter: # sar -v 3 10
To view system switching activity statistics, enter: # sar -w 3 10
To view swapping statistics, enter: # sar -W 3 10
To view statistics for a given process called Apache with PID # 3256, enter: # sar -x 3256 3 10
| [1] | https://www.cyberciti.biz/tips/identifying-linux-bottlenecks-sar-graphs-with-ksar.html |