CONFIG_CPU_CLOCK_FREQ_MHZ

CPU Clock Frequency in MHz

Type: int

Help

This option specifies the CPU Clock Frequency in MHz in order to convert Intel RDTSC timestamp to microseconds.

Direct dependencies

BOOT_TIME_MEASUREMENT

(Includes any dependencies from if’s and menus.)

Defaults

Kconfig definition

At subsys/debug/Kconfig:26

Included via Kconfig:10Kconfig.zephyr:39subsys/Kconfig:14

Menu path: (top menu) → System Monitoring Options → Enable performance metrics [EXPERIMENTAL] → Boot time measurements [EXPERIMENTAL]

config CPU_CLOCK_FREQ_MHZ
    int
    prompt "CPU Clock Frequency in MHz" if BOOT_TIME_MEASUREMENT
    default 20 if BOOT_TIME_MEASUREMENT
    depends on BOOT_TIME_MEASUREMENT
    help
      This option specifies the CPU Clock Frequency in MHz in order to
      convert Intel RDTSC timestamp to microseconds.

(Definitions include propagated dependencies, including from if’s and menus.)