/bin/bash# @Function# Find out the highest cpu consumed threads of java, and print the stack of these threads.## @Usage# $ ./show-busy-java-threads.sh## @author Jerry Lee readonly PROG=`basename $0`readonly -a COMMAND_LINE=("$0" "$@") usage {cat <<EOFUsage: ${PROG} [OPTION...
┌──[root@vms81.liruilongs.github.io]-[~] └─$cat /proc/interrupts CPU0 CPU1 0: 337 0 IO-APIC-edge timer 1: 10 0 IO-APIC-edge i8042 8: 1 0 IO-APIC-edge rtc0 9: 0 0 IO-APIC-fasteoi acpi 12: 16 0 IO-APIC-edge i8042 14: 0 0 IO-APIC-edge ata_piix 15: 0 0 I...
Usage: ${PROG} [OPTION]... Find out the highest cpu consumed threads of java, and print the stack of these threads. Example: ${PROG} -c 10 Options: -p, --pid find out the highest cpu consumed threads from the specifed java process, default from all java process. -c, --count se...
readonly-a COMMAND_LINE=("$0""$@") usage(){ cat<<EOF Usage: ${PROG}[OPTION]... Find out the highest cpu consumed threads of java, and print the stack of these threads. Example: ${PROG}-c 10 Options: -p,--pid find out the highest cpu consumed threads from the specifed java ...
readonly -a COMMAND_LINE=("$0" "$@") usage() { cat <<EOF Usage: ${PROG} [OPTION]... Find out the highest cpu consumed threads of java, and print the stack of these threads. Example: ${PROG} -c 10 Options: -p, --pid find out the highest cpu consumed threads from the speci...
CPU相关的基础指标 运行队列统计 在Linux中,一个进程有可运行的,阻塞的(正在等待一个事件的完成)两种情况。阻塞进程可能在等待的是从I/O设备来的数据,或者是系统调用的结果。 如果进程是可运行的,那就意味着它要和其他也是可运行的进程竞争CPU时间。一个可运行的进程不一定会使用CPU,但是当...
1. free command The free command is the most simple and easy to use command to check memory usage on linux. Here is a quick example $ free -m total used free shared buffers cached Mem: 7976 6459 1517 0 865 2248 -/+ buffers/cache: 3344 4631 ...
readonly -a COMMAND_LINE=("$0" "$@") usage() { cat <<EOF Usage: ${PROG} [OPTION]... Find out the highest cpu consumed threads of java, and print the stack of these threads. Example: ${PROG} -c 10 Options: -p, --pid find out the highest cpu consumed threads from the speci...
/bin/bash# @Function# Find out the highest cpu consumed threads of java, and print the stack of these threads.## @Usage# $ ./show-busy-java-threads.sh## @author Jerry LeereadonlyPROG=`basename$0`readonly-a COMMAND_LINE=("$0""$@")usage() {cat <Usage:${PROG}[OPTION]...Find ...
CPU监控信息统计 vmstat (虚拟内存统计) vmstat是一个很有用的命令,它能获取整个系统性能的粗略信息,包括: 正在运行的进程个数 CPU的使用情况 CPU接收的中断个数 调度器执行的上下文切换次数 语法 代码语言:javascript 复制 ┌──(liruilong㉿Liruilong)-[/mnt/c/Users/lenovo]└─$ vmstat-helpUsage:vmstat...