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This results in "xe-ref-count" subtest unable >to accurately predict what the module refcount should be, resulting in >frequent false positives in the test. > >Drop the test till we are able to devise a robust method to predict xe >module refcount. > >Signed-off-by: Ashutosh Dixit Reviewed-by: Umesh Nerlige Ramappa >--- > tests/intel/xe_oa.c | 107 -------------------------------------------- > 1 file changed, 107 deletions(-) > >diff --git a/tests/intel/xe_oa.c b/tests/intel/xe_oa.c >index 965ea05d9a..9d4402d9bf 100644 >--- a/tests/intel/xe_oa.c >+++ b/tests/intel/xe_oa.c >@@ -3371,36 +3371,6 @@ test_single_ctx_render_target_writes_a_counter(struct drm_xe_engine_class_instan > } while (WEXITSTATUS(child_ret) == EAGAIN); > } > >-static unsigned read_xe_module_ref(void) >-{ >- FILE *fp = fopen("/proc/modules", "r"); >- char *line = NULL; >- size_t line_buf_size = 0; >- int len = 0; >- unsigned ref_count; >- char mod[8]; >- int modn = 3; >- >- igt_assert(fp); >- >- strcpy(mod, "xe "); >- while ((len = getline(&line, &line_buf_size, fp)) > 0) { >- if (strncmp(line, mod, modn) == 0) { >- unsigned long mem; >- int ret = sscanf(line + 5, "%lu %u", &mem, &ref_count); >- igt_assert(ret == 2); >- goto done; >- } >- } >- >- igt_assert(!"reached"); >- >-done: >- free(line); >- fclose(fp); >- return ref_count; >-} >- > /** > * SUBTEST: rc6-disable > * Description: Check that opening an OA stream disables RC6 >@@ -4116,80 +4086,6 @@ test_mmio_triggered_reports(struct drm_xe_engine_class_instance *hwe) > WEXITSTATUS(ret) == 0); > } > >-/** >- * SUBTEST: xe-ref-count >- * Description: Check that an open oa stream holds a reference on the xe module >- */ >-static void >-test_xe_ref_count(void) >-{ >- uint64_t properties[] = { >- DRM_XE_OA_PROPERTY_OA_UNIT_ID, 0, >- >- /* Include OA reports in samples */ >- DRM_XE_OA_PROPERTY_SAMPLE_OA, true, >- >- /* OA unit configuration */ >- DRM_XE_OA_PROPERTY_OA_METRIC_SET, 0 /* updated below */, >- DRM_XE_OA_PROPERTY_OA_FORMAT, __ff(0), /* update below */ >- DRM_XE_OA_PROPERTY_OA_PERIOD_EXPONENT, 0, /* update below */ >- }; >- struct intel_xe_oa_open_prop param = { >- .num_properties = ARRAY_SIZE(properties) / 2, >- .properties_ptr = to_user_pointer(properties), >- }; >- unsigned baseline, ref_count0, ref_count1; >- uint32_t oa_report0[64]; >- uint32_t oa_report1[64]; >- >- /* This should be the first test before the first fixture so no drm_fd >- * should have been opened so far... >- */ >- igt_assert_eq(drm_fd, -1); >- >- baseline = read_xe_module_ref(); >- igt_debug("baseline ref count (drm fd closed) = %u\n", baseline); >- >- drm_fd = __drm_open_driver(DRIVER_XE); >- if (is_xe_device(drm_fd)) >- xe_device_get(drm_fd); >- devid = intel_get_drm_devid(drm_fd); >- sysfs = igt_sysfs_open(drm_fd); >- >- /* Note: these global variables are only initialized after calling >- * init_sys_info()... >- */ >- igt_require(init_sys_info()); >- properties[5] = default_test_set->perf_oa_metrics_set; >- properties[7] = __ff(default_test_set->perf_oa_format); >- properties[9] = oa_exp_1_millisec; >- >- ref_count0 = read_xe_module_ref(); >- igt_debug("initial ref count with drm_fd open = %u\n", ref_count0); >- >- stream_fd = __perf_open(drm_fd, ¶m, false); >- set_fd_flags(stream_fd, O_CLOEXEC); >- ref_count1 = read_xe_module_ref(); >- igt_debug("ref count after opening oa stream = %u\n", ref_count1); >- >- drm_close_driver(drm_fd); >- close(sysfs); >- drm_fd = -1; >- sysfs = -1; >- ref_count0 = read_xe_module_ref(); >- igt_debug("ref count after closing drm fd = %u\n", ref_count0); >- >- read_2_oa_reports(default_test_set->perf_oa_format, >- oa_exp_1_millisec, >- oa_report0, >- oa_report1, >- false); /* not just timer reports */ >- >- __perf_close(stream_fd); >- ref_count0 = read_xe_module_ref(); >- igt_debug("ref count after closing oa stream fd = %u\n", ref_count0); >-} >- > /** > * SUBTEST: sysctl-defaults > * Description: Test that perf_stream_paranoid sysctl exists >@@ -4621,9 +4517,6 @@ igt_main > igt_require(!stat("/proc/sys/dev/xe/perf_stream_paranoid", &sb)); > } > >- igt_subtest("xe-ref-count") >- test_xe_ref_count(); >- > igt_subtest("sysctl-defaults") > test_sysctl_defaults(); > >-- >2.41.0 >