Messages in this thread | | | Date | Tue, 26 May 2009 08:23:46 -0700 | From | Randy Dunlap <> | Subject | Re: [PATCH] kmemtrace: fix kernel parameter documentation |
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Pekka Enberg wrote: > From: Pekka Enberg <penberg@cs.helsinki.fi> > > The kmemtrace.enable kernel parameter no longer works. To enable > kmemtrace at > boot-time, you must pass "ftrace=kmemtrace" instead.
Can someone also list the possible tracers in the ftrace= area, please?
ftrace=[tracer] [ftrace] will set and start the specified tracer as early as possible in order to facilitate early boot debugging.
Thanks.
> Cc: Eduard - Gabriel Munteanu <eduard.munteanu@linux360.ro> > Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi> > --- > Documentation/kernel-parameters.txt | 10 ---------- > 1 files changed, 0 insertions(+), 10 deletions(-) > > diff --git a/Documentation/kernel-parameters.txt > b/Documentation/kernel-parameters.txt > index e87bdbf..9243dd8 100644 > --- a/Documentation/kernel-parameters.txt > +++ b/Documentation/kernel-parameters.txt > @@ -56,7 +56,6 @@ parameter is applicable: > ISAPNP ISA PnP code is enabled. > ISDN Appropriate ISDN support is enabled. > JOY Appropriate joystick support is enabled. > - KMEMTRACE kmemtrace is enabled. > LIBATA Libata driver is enabled > LP Printer support is enabled. > LOOP Loopback device support is enabled. > @@ -1054,15 +1053,6 @@ and is between 256 and 4096 characters. It is > defined in the file > use the HighMem zone if it exists, and the Normal > zone if it does not. > > - kmemtrace.enable= [KNL,KMEMTRACE] Format: { yes | no } > - Controls whether kmemtrace is enabled > - at boot-time. > - > - kmemtrace.subbufs=n [KNL,KMEMTRACE] Overrides the number of > - subbufs kmemtrace's relay channel has. Set this > - higher than default (KMEMTRACE_N_SUBBUFS in code) if > - you experience buffer overruns. > - > kgdboc= [HW] kgdb over consoles. > Requires a tty driver that supports console polling. > (only serial suported for now)
-- ~Randy LPC 2009, Sept. 23-25, Portland, Oregon http://linuxplumbersconf.org/2009/
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