On Wed, Sep 25, 2013 at 11:00:05AM +0100, Alex Bennée wrote: > > peter.mayd...@linaro.org writes: > > > On 25 September 2013 01:31, <alex.ben...@linaro.org> wrote: > >> + # This disabled make check for the ftrace backend which needs more > >> setting up > >> + # Currently broken on 12.04 due to mis-packaged liburcu and changed > >> API, will be pulled. > >> + #- env: TARGETS=i386-softmmu,x86_64-softmmu > >> + # EXTRA_PKGS="liblttng-ust-dev liburcu-dev" > >> + # EXTRA_CONFIG="--enable-trace-backend=ust" > > > > Does our configure identify the busted library and refuse to configure with > > this config? It probably ought to. > > It's a mess. It probably still works on some set-ups but in discussion > with Stefan on IRC it looks like it's regressed on most modern set-ups. > The fundamental issue is lttng's lack of stable API. I hunted around a > bit trying to get it working but realised the script needs fixing up as > well so gave up. > > Really ust just needs to be ripped out for now unless someone else wants > to dig into to supporting multiple versions painlessly.
I sent a patch to drop ust. Either someone will show up who is willing to fix it or we'll remove it since it has few (zero?) users. Stefan
