CONFIG_TSC_CYCLES_PER_SEC:

The x86 implementation of LOAPIC k_cycle_get_32() relies on the x86 TSC. This runs at the CPU speed and not the bus speed. If set to 0, the value of CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC will be used instead; many MCUs these values are the same.

Symbol:

TSC_CYCLES_PER_SEC

Type:

int

Value:

“”

User value:

(no user value)

Visibility:

“n”

Is choice item:

false

Is defined:

true

Is from env.:

false

Is special:

false

Prompts:
  • “Frequency of x86 CPU timestamp counter” if LOAPIC_TIMER (value: “n”)
Default values:
  • 0 (value: “n”)
  • Condition: LOAPIC_TIMER (value: “n”)
Selects:

(no selects)

Reverse (select-related) dependencies:
 

(no reverse dependencies)

Additional dependencies from enclosing menus and ifs:
 

(no additional dependencies)

Locations:
  • ../drivers/timer/Kconfig:109