dstat monitoring tools
Linux comes with monitoring tools. Interface is quite friendly alternative to other monitoring tools.
installation
yum install -y dstat
Command
dstat - H # Help dstat - tpcdrmgln # screen refresh dstat -tpcdrmgln 5 10 # 5s refresh, refresh 10 times nohup dstat -tpcdrmgln 5 --output dstat.csv & # 5s the output of each of the results to csv, can be placed in the background run
Command demo
1. screen output
2. records to a CSV file
nohup dstat -tpcdrmgln --output dstat.csv &
After downloading the file, Excel can be used to generate a trend chart, similar to:
help information
[oracle@oracle ~]$ dstat -h Usage: dstat [-afv] [options..] [delay [count]] Versatile tool for generating system resource statistics Dstat options: -c, --cpu enable cpu stats -C 0,3,total include cpu0, cpu3 and total -d, --disk enable disk stats -D total,hda include hda and total -g, --page enable page stats -i, --int enable interrupt stats -I 5,eth2 include int5 and interrupt used by eth2 -l, --load enable load stats -m, --mem enable memory stats -n, --net enable network stats -N eth1,total include eth1 and total -p, --proc enable process stats -r, --io enable io stats (I/O requests completed) -s, --swap enable swap stats -S swap1,total include swap1 and total -t, --time enable time/date output -T, --epoch enable time counter (seconds since epoch) -y, --sys enable system stats --aio enable aio stats --fs, --filesystem enable fs stats --ipc enable ipc stats --lock enable lock stats --raw enable raw stats --socket enable socket stats --tcp enable tcp stats --udp enable udp stats --unix enable unix stats --vm enable vm stats --plugin-name enable plugins by plugin name (see manual) --list list all available plugins -a, --all equals -cdngy (default) -f, --full automatically expand -C, -D, -I, -N and -S lists -v, --vmstat equals -pmgdsc -D total --bw, --blackonwhite change colors for white background terminal --float force float values on screen --integer force integer values on screen --nocolor disable colors (implies --noupdate) --noheaders disable repetitive headers --noupdate disable intermediate updates --output file write CSV output to file delay is the delay in seconds between each update (default: 1) count is the number of updates to display before exiting (default: unlimited)