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Thu, 5 Sep 2024 20:45:03 +0000 Message-ID: Date: Thu, 5 Sep 2024 16:45:00 -0400 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH i-g-t] tests/amdgpu: fix concurrent queue test issue To: "Jesse.zhang@amd.com" , igt-dev@lists.freedesktop.org Cc: Vitaly Prosyak , Alex Deucher , Christian Koenig References: <20240905082027.1052054-1-jesse.zhang@amd.com> Content-Language: en-US From: vitaly prosyak In-Reply-To: <20240905082027.1052054-1-jesse.zhang@amd.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-ClientProxiedBy: YT4PR01CA0193.CANPRD01.PROD.OUTLOOK.COM (2603:10b6:b01:ad::25) To PH7PR12MB6420.namprd12.prod.outlook.com (2603:10b6:510:1fc::18) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PH7PR12MB6420:EE_|IA1PR12MB8520:EE_ X-MS-Office365-Filtering-Correlation-Id: 575ad797-7bb9-4d0b-cf88-08dccdeb9dcf X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|366016|1800799024; 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It should open a unique shared memory for different devices. > > Signed-off-by: Jesse Zhang > --- > tests/amdgpu/amd_queue_reset.c | 44 +++++++++++++++++++++++++++------- > 1 file changed, 35 insertions(+), 9 deletions(-) > > diff --git a/tests/amdgpu/amd_queue_reset.c b/tests/amdgpu/amd_queue_reset.c > index b257ec3c0..4b26b86dc 100644 > --- a/tests/amdgpu/amd_queue_reset.c > +++ b/tests/amdgpu/amd_queue_reset.c > @@ -32,7 +32,6 @@ > > #define SHARED_CHILD_DESCRIPTOR 3 > > -#define SHARED_MEM_NAME "/queue_reset_shm" > #define TEST_TIMEOUT 100 //100 seconds > > enum process_type { > @@ -349,7 +348,7 @@ static void set_next_test_to_skip(struct shmbuf *sh_mem) > } > > static int > -shared_mem_destroy(struct shmbuf *shmp, int shm_fd, bool unmap) > +shared_mem_destroy(struct shmbuf *shmp, int shm_fd, bool unmap, char shm_name[256]) > { > int ret = 0; > > @@ -363,20 +362,20 @@ shared_mem_destroy(struct shmbuf *shmp, int shm_fd, bool unmap) > if (shm_fd > 0) > close(shm_fd); > > - shm_unlink(SHARED_MEM_NAME); > + shm_unlink(shm_name); > > return ret; > } > > static int > -shared_mem_create(struct shmbuf **ppbuf) > +shared_mem_create(struct shmbuf **ppbuf, char shm_name[256]) > { > int shm_fd = -1; > struct shmbuf *shmp = NULL; > bool unmap = false; > > // Create a shared memory object > - shm_fd = shm_open(SHARED_MEM_NAME, O_CREAT | O_RDWR, 0666); > + shm_fd = shm_open(shm_name, O_CREAT | O_RDWR, 0666); > if (shm_fd == -1) > goto error; > > @@ -414,7 +413,7 @@ shared_mem_create(struct shmbuf **ppbuf) > return shm_fd; > > error: > - shared_mem_destroy(shmp, shm_fd, unmap); > + shared_mem_destroy(shmp, shm_fd, unmap, shm_name); > return shm_fd; > } > > @@ -877,6 +876,29 @@ is_run_subtest_parameter_found(int argc, char **argv) > return ret; > } > > +#define ONDEVICE "--device" > +static int > +is_run_device_parameter_found(int argc, char **argv) > +{ > + int i; > + int res = 0; > + char *p = NULL; > + > + for (i = 1; i < argc; i++) { > + if (strcmp(ONDEVICE, argv[i]) == 0) { > + /* Get the sum for a specific device as a unique identifier */ > + p = argv[i+1]; > + while(*p){ > + res += *p; > + p++; > + } > + break; > + } > + } > + > + return res; > +} > + > > static bool > add_background_parameter(int *pargc, char **argv) > @@ -1057,6 +1079,7 @@ igt_main > struct shmbuf *sh_mem = NULL; > > int r; > + char shm_name[256] = {0}; > bool arr_cap[AMD_IP_MAX] = {0}; > unsigned int ring_id_good; > unsigned int ring_id_bad; > @@ -1116,8 +1139,11 @@ igt_main > const_num_of_tests = 1; > else > const_num_of_tests = get_num_of_tests(&arr_err[0], &ip_tests[0], ARRAY_SIZE(ip_tests)); > - fd = drm_open_driver(DRIVER_AMDGPU); > > + r = is_run_device_parameter_found(argc, argv); > + snprintf(shm_name,sizeof(shm_name),"/queue_reset_shm_%d",r); > + > + fd = drm_open_driver(DRIVER_AMDGPU); > err = amdgpu_device_initialize(fd, &major, &minor, &device); > igt_require(err == 0); > > @@ -1137,7 +1163,7 @@ igt_main > > if (!is_background_parameter_found(argc, argv)) { > add_background_parameter(&argc, argv); > - fd_shm = shared_mem_create(&sh_mem); > + fd_shm = shared_mem_create(&sh_mem, shm_name); > igt_require(fd_shm != -1); > launch_background_process(argc, argv, path, &pid_background, fd_shm); > process = PROCESS_TEST; > @@ -1190,7 +1216,7 @@ igt_main > free_contexts(device, arr_context_handle, const_num_of_tests); > amdgpu_device_deinitialize(device); > drm_close_driver(fd); > - shared_mem_destroy(sh_mem, fd_shm, true); > + shared_mem_destroy(sh_mem, fd_shm, true, shm_name); > posix_spawn_file_actions_destroy(&action); > > free_command_line(argc, argv, path);