Commit 3d6ac984 authored by Randy Dunlap's avatar Randy Dunlap Committed by Linus Torvalds
Browse files

document clocksources 



Document the available clocksources per platform and move clocksource= into
the correct (alpha) location in the file.

Signed-off-by: default avatarRandy Dunlap <randy.dunlap@oracle.com>
Acked-by: default avatarThomas Gleixner <tglx@linutronix.de>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 53a2731f

Documentation/kernel-parameters.txt

+20 −4
Original line number Diff line number Diff line
@@ -396,6 +396,26 @@ and is between 256 and 4096 characters. It is defined in the file 
			clocksource is not available, it defaults to PIT.

			Format: { pit | tsc | cyclone | pmtmr }



	clocksource=	[GENERIC_TIME] Override the default clocksource

			Format: <string>

			Override the default clocksource and use the clocksource

			with the name specified.

			Some clocksource names to choose from, depending on

			the platform:

			[all] jiffies (this is the base, fallback clocksource)

			[ACPI] acpi_pm

			[ARM] imx_timer1,OSTS,netx_timer,mpu_timer2,

				pxa_timer,timer3,32k_counter,timer0_1

			[AVR32] avr32

			[IA-32] pit,hpet,tsc,vmi-timer;

				scx200_hrt on Geode; cyclone on IBM x440

			[MIPS] MIPS

			[PARISC] cr16

			[S390] tod

			[SH] SuperH

			[SPARC64] tick

			[X86-64] hpet,tsc



	code_bytes	[IA32] How many bytes of object code to print in an

			oops report.

			Range: 0 - 8192
@@ -1807,10 +1827,6 @@ and is between 256 and 4096 characters. It is defined in the file 


	time		Show timing data prefixed to each printk message line



	clocksource=	[GENERIC_TIME] Override the default clocksource

			Override the default clocksource and use the clocksource

			with the name specified.



	tipar.timeout=	[HW,PPT]

			Set communications timeout in tenths of a second

			(default 15).

CRA Git | Maintained and supported by SUSTech CRA and CCSE