Linux CPU Info: Difference between revisions
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{{Internal|Linux Virtualization Concepts#Steal_Time|Steal Time}} | {{Internal|Linux Virtualization Concepts#Steal_Time|Steal Time}} | ||
=Per-Process CPU Runtime Statistics= | |||
=Other Utilities= | =Other Utilities= | ||
Revision as of 17:27, 11 May 2017
Internal
- Linux Runtime Information
- https://home.feodorov.com:9443/wiki/Wiki.jsp?page=LinuxProcessInformation
- https://home.feodorov.com:9443/wiki/Wiki.jsp?page=Cpuinfo
System-Wide CPU Runtime Statistics
CPU runtime statistics are computed based on /proc/stat values.
User time: vmstat us
Kernel time: vmstat sy
Idle time: vmstat id
Time waiting for IO: vmstat wa
Steal time: vmstat st. The definition of "steal time":
Per-Process CPU Runtime Statistics
Other Utilities
proc cpuinfo
cat /proc/cpuinfo
For more details see https://home.feodorov.com:9443/wiki/Wiki.jsp?page=Cpuinfo.
64 bit or 32 bit?
uname -a
grep flags /proc/cpuinfo
lm
long mode - 64 bits
protected mode
32 bits