[libdrm,4/4] amdgpu: Add memory over allocation test.

Commit Message

Andrey Grodzovsky Nov. 10, 2017, 4:30 a.m. UTC

Allocates 1 TB of memory. Test is disabled by default
since it's triggers OOM killer.

Signed-off-by: Andrey Grodzovsky <[e-mail]>
---
 tests/amdgpu/amdgpu_test.c |  4 ++++
 tests/amdgpu/bo_tests.c    | 20 ++++++++++++++++++++
 2 files changed, 24 insertions(+)

Patch

diff --git a/tests/amdgpu/amdgpu_test.c b/tests/amdgpu/amdgpu_test.c
index 91010dc..3b10f82 100644
--- a/tests/amdgpu/amdgpu_test.c
+++ b/tests/amdgpu/amdgpu_test.c
@@ -417,6 +417,10 @@  static void amdgpu_disable_suits()
 	*/
 	if (amdgpu_set_test_active(DEADLOCK_TESTS_STR, "compute ring block test", CU_FALSE))
 		fprintf(stderr, "test deactivation failed - %s\n", CU_get_error_msg());
+
+	/* This test triggers OOM killer terminating the tester itself */
+	if (amdgpu_set_test_active(BO_TESTS_STR, "Memory fail alloc Test", CU_FALSE))
+			fprintf(stderr, "test deactivation failed - %s\n", CU_get_error_msg());
 }
 
 /* The main() function for setting up and running the tests.
diff --git a/tests/amdgpu/bo_tests.c b/tests/amdgpu/bo_tests.c
index 4545196..c6d89aa 100644
--- a/tests/amdgpu/bo_tests.c
+++ b/tests/amdgpu/bo_tests.c
@@ -47,6 +47,7 @@  static void amdgpu_bo_export_import(void);
 static void amdgpu_bo_metadata(void);
 static void amdgpu_bo_map_unmap(void);
 static void amdgpu_memory_alloc(void);
+static void amdgpu_memory_fail_alloc(void);
 
 CU_TestInfo bo_tests[] = {
 	{ "Export/Import",  amdgpu_bo_export_import },
@@ -55,6 +56,7 @@  CU_TestInfo bo_tests[] = {
 #endif
 	{ "CPU map/unmap",  amdgpu_bo_map_unmap },
 	{ "Memory alloc Test",  amdgpu_memory_alloc },
+	{ "Memory fail alloc Test",  amdgpu_memory_fail_alloc },
 	CU_TEST_INFO_NULL,
 };
 
@@ -244,3 +246,21 @@  static void amdgpu_memory_alloc(void)
 	r = gpu_mem_free(bo, va_handle, bo_mc, 4096);
 	CU_ASSERT_EQUAL(r, 0);
 }
+
+static void amdgpu_memory_fail_alloc(void)
+{
+	amdgpu_bo_handle bo;
+	amdgpu_va_handle va_handle;
+	uint64_t bo_mc;
+	int r;
+
+	/* Test impossible mem allocation, 1TB */
+	bo = gpu_mem_alloc(device_handle, 0xE8D4A51000, 4096,
+			AMDGPU_GEM_DOMAIN_VRAM,
+			AMDGPU_GEM_CREATE_NO_CPU_ACCESS,
+	&bo_mc, &va_handle);
+
+	r = gpu_mem_free(bo, va_handle, bo_mc, 0xE8D4A51000);
+	CU_ASSERT_EQUAL(r, 0);
+}
+