PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 12760 root 20 0 15084 1944 1632 R 2.0 0.2 0:00.01 top -bn 1 -i -c 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 如上所示,top命令可以看到总体的系统运行状态和cpu的使用率 。 %us:表示用户空间程序的cpu...
# @Usage # $ ./show-busy-java-threads.sh # # @author Jerry Lee readonly PROG=`basename $0` readonly -a COMMAND_LINE=("$0" "$@") usage() { cat </dev/null; then [ -z "$JAVA_HOME" ] && { redEcho "Error: jstack not found on PATH!" exit 1 } ! [ -f "$JAVA_HOME/bin...
[root@sss ~]# sar -u -f /var/log/sa/sa08Linux3.10.0-693.2.2.el7.x86_64(localhost.localdomain)04/08/2019 _x86_64_(1CPU)10:54:35 AM LINUX RESTART11:00:02 AM CPU %user %nice %system %iowait %steal %idle11:10:01 AM all12.930.232.891.540.0082.4111:20:01 AM all46.580.008.810...
[root@localhost ~]# pidstat Linux 3.10.0-693.2.2.el7.x86_64 (jellythink) 01/11/2019 _x86_64_ (1 CPU) 11:23:19 PM UID PID %usr %system %guest %CPU CPU Command 11:23:19 PM 0 1 0.00 0.00 0.00 0.00 0 systemd 11:23:19 PM 0 2 0.00 0.00 0.00 0.00 0 kthreadd pidstat用于监控...
[root@sss ~]# mpstat 1 5 Linux 3.10.0-957.10.1.el7.x86_64 (izuf633l0ge76tv5mzalpmz) 04/16/2019 _x86_64_ (1 CPU) 04:58:01 PM CPU %usr %nice %sys %iowait %irq %soft %steal %guest %gnice %idle 04:58:02 PM all 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 100.00 04...
Memory Usage:显存的使用率; Volatile GPU-Util:浮动的GPU利用率; Compute M:计算模式; 下边的Processes显示每块GPU上每个进程所使用的显存情况。 如果要周期性的输出显卡的使用情况,可以用watch指令实现: watch-n10nvidia-smi 1. 命令行参数-n后边跟的是执行命令的周期,以s为单位。
K: %CPU = (CPU usage) 上次更新到现在的CPU时间占用百分比 (重点) N: %MEM = (Memory usage (RES)) 进程使用的物理内存百分比 (重点) M: TIME+ = (CPU Time, hundredths) 进程使用的CPU时间总计,单位1/100秒 b: PPID = (Parent Process Pid) 父进程Id ...
既然要让程序看的懂,就要弄点代码运行,来观察cpu usage和load。 测试环境:16核cpu,linux。 1、cpu密集型测试 用16个线程跑如下程序中的Runnable: Runnable cpuTask = new Runnable() { @Override public void run() { while (true) { isPrime(1000000000); } }};// 判断素数,方法细节不用关注static boole...
[linux@01 ~]$ pidstat -help Usage: pidstat [ options ] [ <interval> [ <count> ] ] Options are: [ -d ] [ -h ] [ -I ] [ -l ] [ -r ] [ -s ] [ -t ] [ -U [ <username> ] ] [ -u ] [ -V ] [ -w ] [ -C <command> ] [ -p { <pid> [,...] | SELF ...
LinuxviewCPUandmemoryusage(Linux查看CPU和内存使用情况)Intheprocessofsystemmaintenance,itispossibletochecktheCPUusageatanytime,andanalyzethesystemstatusaccordingtothecorrespondinginformation.InCentOS,youcanviewtheCPUusagebyusingthetopcommand.Afterrunningthetopcommand,theCPUusagestatusisdisplayedinfullscreen,andindialo...