I get this on an x86 machine too with intel_pstate driver being used
king@lenovo:~/repos/idlestat$ sudo ./idlestat --trace -f foo -t 10
Total trace buffer: 307784 kB
failed to open '/sys/kernel/debug/tracing/events/ipi/ipi_entry/enable': No such file or directory
warning: P-states not supported for CPU0
warning: P-states not supported for CPU1
warning: P-states not supported for CPU2
warning: P-states not supported for CPU3
idlestat: idlestat.c:1026: idlestat_load: Assertion `datas->pstates[cpu].pstate != ((void *)0)' failed.
I get this on an x86 machine too with intel_pstate driver being used
king@lenovo: ~/repos/ idlestat$ sudo ./idlestat --trace -f foo -t 10 debug/tracing/ events/ ipi/ipi_ entry/enable' : No such file or directory >pstates[ cpu].pstate != ((void *)0)' failed.
Total trace buffer: 307784 kB
failed to open '/sys/kernel/
warning: P-states not supported for CPU0
warning: P-states not supported for CPU1
warning: P-states not supported for CPU2
warning: P-states not supported for CPU3
idlestat: idlestat.c:1026: idlestat_load: Assertion `datas-
CPU: Intel(R) Core(TM) i5-3210M CPU @ 2.50GHz