Re: [LTP] [PATCH v3] pmc_core: add test for pkgc_blocker_residency_show

["Kubaj, Piotr" <piotr.kubaj@intel.com>]

2026-08-28 (金) の 14:35 +0200 に Cyril Hrubis さんは書きました:
> Hi!
> > One question: there doesn't seem to be a way to check whether
> > debugfs
> > is mounted, apart from implementing it myself. I have another test
> > in
> > the queue for LTR counters that also uses debugfs. Does it make
> > sense
> > to put that debugfs check somewhere in the framework, or do you
> > prefer
> > it to be put directly in the tests? It's about 25 LOC.
> 
> If more than one test would use it makes sense to add a library
> support
> for mounting debugfs.
> 
> Also generally distributions are moving into not mounting debugfs by
> default, since there have been security implications of exporting
> internal kernel state by default. So it would make sense to add
> .needs_debugfs flag to the tst_test struct that would cause the
> library
> mount (and later umount) debugfs at .mntpoint unconditionally.
OK, patch succeeded by a new series adding those two tests that need
debugfs and the commit adding debugfs handling to the framework.
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