[PATCH v2 6/6] selftests/sgx: Add a bpftrace script for tracking allocation errors

Jarkko Sakkinen
2022-08-31T17:39:17Z

Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
---
v2:
* Added comments.
---
tools/testing/selftests/sgx/alloc-error.bt | 9 +++++++++
1 file changed, 9 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..0cc8b2e41852
--- /dev/null
+++ b/tools/testing/selftests/sgx/alloc-error.bt
@@ -0,0 +1,9 @@
+/* EPC allocation */
+kr:sgx_alloc_epc_page /(uint64)retval >= (uint64)(-4095)/ {
+ printf("sgx_alloc_epc_page: retval=%d\n", (int64)retval);
+}
+
+/* kzalloc for struct sgx_encl_page */
+kr:sgx_encl_page_alloc /(uint64)retval >= (uint64)(-4095)/ {
+ printf("sgx_encl_page_alloc: retval=%d\n", (int64)retval);
+}
--
2.37.2