In OP's precise need, more meaningful would be some average given by the %P parameter of the format string. Which is nothing but logical since, per design, once a task is scheduled in, it will use 100% of the cpu running this task. The kernel referees the memory squabbles and allocates the rationed memory out to all the hungry processes. ![]() Needless since… this value is already highly predictable, if not certain (as anyone can at sometimes instantly read using top) : 100% RAM is a finite resource that all processes, like applications and daemons, want a piece of. ![]() The above image also shows the memory utilization (MEM column) of. GNU time utility does not report peak values which would require the utility to periodically sample /proc in a top-like way. The CPU utilization(CPU column) is negligible (shown as 0 ) across all RightLink threads. Note that this software is almost certainly made available via your package manager.Ībout some CPU usage " peak" value, (following OP's comments hereafter) : Something like time -format="%E %M" some_executable might well basically fit your needs, but do check the man page (starting from the Gnu version paragraph) in order to discover the possibility to print many other cpu and memory usage details that would better fit for you.īTW, reports will include some_executable 's children activity. You can use several specific commands to pull CPU information from your hardware, regardless of whether you use bare metal or virtualized hardware. Simply use the GNU version of the time utility with some custom format : The Linux CLI can provide you with detailed CPU information, such as the number of CPU cores, CPU architecture and CPU usage.
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