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

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Message-Id: <20220830031206.13449-7-jarkko@kernel.org>
Date:   Tue, 30 Aug 2022 06:12:06 +0300
From:   Jarkko Sakkinen <jarkko@...nel.org>
To:     linux-sgx@...r.kernel.org
Cc:     Haitao Huang <haitao.huang@...ux.intel.com>,
        Vijay Dhanraj <vijay.dhanraj@...el.com>,
        Reinette Chatre <reinette.chatre@...el.com>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Jarkko Sakkinen <jarkko@...nel.org>,
        Shuah Khan <shuah@...nel.org>,
        linux-kernel@...r.kernel.org (open list),
        linux-kselftest@...r.kernel.org (open list:KERNEL SELFTEST FRAMEWORK)
Subject: [PATCH 6/6] selftests/sgx: Add a bpftrace script for tracking allocation errors

Signed-off-by: Jarkko Sakkinen <jarkko@...nel.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);
+}
-- 
2.37.2