Re: [PATCH 6/6] selftests/sgx: Add a bpftrace script for tracking allocation errors

Jarkko Sakkinen
2022-08-31T02:33:18Z

On Tue, Aug 30, 2022 at 03:57:24PM -0700, Reinette Chatre wrote:
> Hi Jarkko,
>
> On 8/29/2022 8:12 PM, Jarkko Sakkinen wrote:
> > Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
> > ---
> > tools/testing/selftests/sgx/alloc-error.bt | 7 +++++++
> > 1 file changed, 7 insertions(+)
> > create mode 100644 tools/testing/selftests/sgx/alloc-error.bt
> >
> > diff --git a/tools/testing/selftests/sgx/alloc-error.bt b/tools/testing/selftests/sgx/alloc-error.bt
> > new file mode 100644
> > index 000000000000..9268d50dea29
> > --- /dev/null
> > +++ b/tools/testing/selftests/sgx/alloc-error.bt
> > @@ -0,0 +1,7 @@
> > +kr:sgx_alloc_epc_page /(uint64)retval >= (uint64)(-4095)/ {
> > + printf("sgx_alloc_epc_page: retval=%d\n", (int64)retval);
> > +}
> > +
> > +kr:sgx_encl_page_alloc /(uint64)retval >= (uint64)(-4095)/ {
> > + printf("sgx_encl_page_alloc: retval=%d\n", (int64)retval);
> > +}
>
>
> Could there be a snippet of comments in this new file to guide users
> on how to use this script?

Do not mean to be rude but I'm not sure what there is to guide but
I'm open for ideas.

BR, Jarkko