[LITMUS^RT] Using feather trace
Glenn Elliott
gelliott at cs.unc.edu
Wed Sep 11 01:18:23 CEST 2013
Hi Gbadebo,
Are you applying the patch to a vanilla Linux kernel, or are you cloning Litmus directly from a litmus-rt repository? I ask because CONFIG_FEATHER_TRACE works just fine in the Litmus code I cloned from github.
Do "git clone git://github.com/LITMUS-RT/litmus-rt.git" to clone the latest version of Litmus.
That said, FEATHER_TRACE still appears in the litmus-et-2013.1.patch file, so I don't know why anything would be broken. Do you see the line "config FEATHER_TRACE" in litmus/Kconfig?
-Glenn
On Sep 10, 2013, at 6:44 PM, ayoade gbadebo <gbaduz at gmail.com> wrote:
> using ftcat gives me no such file as /dev/litmus/ft_trace gives error could not open feather trace device(/dev/litmus/ft_trace).
> Where can I enable feather trace as it is not showing in .config file for kernel compilation after applying litmus-rt-2013.1.patch
> ?
>
>
> On Tue, Sep 10, 2013 at 5:11 PM, ayoade gbadebo <gbaduz at gmail.com> wrote:
> Hi,
> the config parameter for CONFIG_FEATHER_TRACE=y
> is not showing in the .config file for the patch
> litmus-rt-2013.1.patch.
>
> I have the parameter for trace but I cant enable for feather trace.
> Is there anything I am missing out?
>
> Gbadebo
>
>
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