Is it ok to use debugfs to dump some ucontext-level driver-defined info?

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Hi all,

We want to dump some hns driver-defined information that belongs to a
process to keep track of current memory usage. For example, there is
a ucontext-level(process-level) memory pool to store WQE which is
shared by a lot of QPs, we want to record and query which QPs are using
this pool and how much space each QP is using.

rdmatool don't have a ucontext-level resource tracking currently, is it
ok to achieve that through debugfs?

This may looks like:

$ echo 1 > <dbgfs_dir>/hns_roce/hns_0/<pid>/qp
QPN        Total(kB)  SQ(kB)     SGE(kB)    RQ(kB)
110        6400       256        2048       4096
118        6400       256        2048       0

Or should it be achieved in rdmatool?

Thanks
Weihang



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