The top command provides a quick look at system resources and processes. You can also control it to use it as the task manager in Linux terminal. Linux HandbookChristopher Murray sar command This command allows you to not only monitor CPU usage in intervals but also save this system activity ...
使用-o选项可以将strace的输出保存到文件中: strace -o output.txtcommand 输出详细信息 使用-v选项可以输出更详细的信息,包括寄存器和内存的内容: strace -vcommand 输出调用次数 使用-c选项可以统计系统调用的次数: strace -ccommand 跟踪特定系统调用 使用-e选项可以指定要跟踪的系统调用: strace -e trace=open,...
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 root@li676-235 ~]# top -bn 1 -i -c top - 14:19:51 up 138 days, 7:15, 1 user, load average: 0.20, 0.33, 0.39 Tasks: 115 total, 1 running,...
= EOF) { children[i] = child_pid; i++; } } /** * Parsign `ps` command output * @param <char> out - ps command output * @return <int> cpu utilization */ float parse_cpu_utilization (const char *out) { float cpu; sscanf (out, "%f", &cpu); return cpu...
---total-cpu-usage--- -dsk/total- -net/total- ---paging-- ---system-- usr sys idl wai hiq siq| read writ| recv send| in out | int csw 0 0 99 0 0 0|7706B 164k| 0 0 | 0 0 | 189 225 0 0 100 0 0 0| 0 0 |4436B 826B| 0 0 | 195 248 1 ...
You can check memory usage in Linux with it. You can also use it to get only the processor information. sudo dmidecode --type processor This command needs sudo access as well. You’ll see an output like this: dmidecode 3.1 Getting SMBIOS data from sysfs. SMBIOS 3.0.0 present. Handle 0x...
# -u: output CPU usage index $ pidstat -w -u 1 08:06:33 UID PID %usr %system %guest %wait %CPU CPU Command 08:06:34 0 10488 30.00 100.00 0.00 0.00 100.00 0 sysbench 08:06:34 0 26326 0.00 1.00 0.00 0.00 1.00 0 kworker/u4:2 ...
in表示中断的数量, cs表示上下文切换的数量, us表示用户CPU时间, sys表示系统CPU时间, wa表示由于IO等待而是CPU处于idle状态的时间, id表示CPU处于idle状态的总时间。 dstat可以给出每一个设备产生的中断数: # dstat -cip 1 ---total-cpu-usage--- ---interrupts--- ---procs--- usr ...
/bin/bash#@Function# Findoutthe highest cpu consumed threads of java, and print the stack of these threads.##@Usage# $ ./show-busy-java-threads.sh##@authorJerry Leereadonly PROG=`basename $0`readonly -a COMMAND_LINE=('$0''$@')usage() { cat <<EOFUsage: ${PROG} [OPTION]......
Find Linux Processes By RAM and CPU Usage That said, let’s dive in and get started. Check Top Processes sorted by RAM or CPU Usage in Linux The following command will show the list of top processes ordered by RAM and CPU use in descendant form (remove thepipelineandheadif you want to...