flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ss ht syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon nopl xtopology tsc_reliable nonstop_tsc cpuid tsc_known_freq pni pclmulqdq ssse3 fma cx16 pcid sse4_1 sse4_...
cache size :CPU二级缓存大小 physical id :单个物理CPU的标号 siblings :单个物理CPU的逻辑CPU数。siblings=cpu cores [*2]。 core id :当前物理核在其所处CPU中的编号,这个编号不一定连续。 cpu cores :该逻辑核所处CPU的物理核数。比如此处cpu cores 是4个,那么对应core id 可能是 1、3、4、5。 apici...
Don’t you hate when you need to know and exact model of a specific hardware component but don’t want to open up the machine or find the original documentation on it? Never fear, Linux has you covered. There are a variety of ways to find out what kind of hardware you’re running,...
while htop needs to be installed separately and isn't standard for all Linux systems. They both provide real-time information about your system's performance, but htop offers a slightly better user experience with added colors and a more interactive user interface. ...
For example, on Linux systems, a web browser’s Flash plugin can be a particularly notorious resource hog, and Flash applications can easily occupy much of a system’s CPU and memory due to poor all-around implementation.注意:当前桌面系统上的用户界面组件往往占用的CPU资源比过去多。例如,在Linux...
I've got i.MX8 ULP processor and built Yokto Linux image for it. I need to know exact current frequency of each Cortex-A35 core so I tried to use command from chapter 6.2 of IMX_LINUX_USERS_GUIDE but nothing happens. There is no any directory like that: Spoiler It seems ...
NOTE If you have any questions about the commands described in the previous sections, you may be able to find the answers by using the man command. 注意 如果您对前面章节中描述的命令有任何疑问,可以使用 man 命令找到答案。 Manual pages are referenced by numbered sections. When someone refers to...
kernel: p4-clockmod: Warning: EST-capable CPU detected. The acpi-cpufreq module offers voltage scaling in addition of frequency scaling. You should use that instead of p4-clockmod, if possible. Resolution First ensure that the system BIOS is configured to allow the OS to control CPU power ...
Our goal is to be able to extract information about the devices on a system in order to understand a few rudimentary operations. Later chapters will cover interacting with specific kinds of devices in greater detail. 在Linux的历史中,内核向用户展示设备的方式经历了许多变化。 我们将看一下传统的...
Need to identify a java thread utilizing large CPU resources There is an elevated CPU consume in the processors of our virtual server where we could not evidence using TOP command Environment Java application or application server (e.g., Red Hat JBoss EAP, Tomcat, etc.) on Linux/Solaris ...