mirror of
https://github.com/NVIDIA/cuda-samples.git
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222 lines
6.7 KiB
C
222 lines
6.7 KiB
C
/* Copyright (c) 2022, NVIDIA CORPORATION. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of NVIDIA CORPORATION nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "eglstrm_common.h"
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#if defined(EXTENSION_LIST)
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EXTENSION_LIST(EXTLST_EXTERN)
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#endif
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#include <cuda.h>
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int parseCmdLine(int argc, char *argv[], TestArgs *args);
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void printUsage(void);
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int NUMTRIALS = 10;
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int profileAPIs = 0;
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bool verbose = 0;
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bool isCrossDevice = 0;
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// Parse the command line options. Returns FAILURE on a parse error, SUCCESS
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// otherwise.
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int parseCmdLine(int argc, char *argv[], TestArgs *args) {
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int i;
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for (i = 1; i < argc; i++) {
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if (strcmp(argv[i], "-h") == 0) {
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printUsage();
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exit(0);
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} else if (strcmp(argv[i], "-n") == 0) {
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++i;
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if (sscanf(argv[i], "%d", &NUMTRIALS) != 1 || NUMTRIALS <= 0) {
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printf("Invalid trial count: %s should be > 0\n", argv[i]);
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return -1;
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}
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} else if (strcmp(argv[i], "-profile") == 0) {
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profileAPIs = 1;
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} else if (strcmp(argv[i], "-crossdev") == 0) {
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isCrossDevice = 1;
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} else if (strcmp(argv[i], "-width") == 0) {
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++i;
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if (sscanf(argv[i], "%d", &WIDTH) != 1 || (WIDTH <= 0)) {
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printf("Width should be greater than 0\n");
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return -1;
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}
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} else if (strcmp(argv[i], "-height") == 0) {
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++i;
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if (sscanf(argv[i], "%d", &HEIGHT) != 1 || (HEIGHT <= 0)) {
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printf("Width should be greater than 0\n");
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return -1;
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}
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} else if (0 == strcmp(&argv[i][1], "proctype")) {
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++i;
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if (!strcasecmp(argv[i], "prod")) {
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args->isProducer = 1;
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} else if (!strcasecmp(argv[i], "cons")) {
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args->isProducer = 0;
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} else {
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printf("%s: Bad Process Type: %s\n", __func__, argv[i]);
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return 1;
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}
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} else if (strcmp(argv[i], "-v") == 0) {
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verbose = 1;
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} else {
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printf("Unknown option: %s\n", argv[i]);
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return -1;
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}
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}
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if (isCrossDevice) {
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int deviceCount = 0;
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CUresult error_id = cuInit(0);
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if (error_id != CUDA_SUCCESS) {
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printf("cuInit(0) returned %d\n", error_id);
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printf("Result = FAIL\n");
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exit(EXIT_FAILURE);
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}
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error_id = cuDeviceGetCount(&deviceCount);
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if (error_id != CUDA_SUCCESS) {
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printf("cuDeviceGetCount returned %d\n", (int)error_id);
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printf("Result = FAIL\n");
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exit(EXIT_FAILURE);
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}
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int iGPUexists = 0;
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CUdevice dev;
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for (dev = 0; dev < deviceCount; ++dev) {
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int integrated = 0;
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CUresult error_result = cuDeviceGetAttribute(
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&integrated, CU_DEVICE_ATTRIBUTE_INTEGRATED, dev);
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if (error_result != CUDA_SUCCESS) {
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printf("cuDeviceGetAttribute returned error : %d\n", (int)error_result);
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exit(EXIT_FAILURE);
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}
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if (integrated) {
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iGPUexists = 1;
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}
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}
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if (!iGPUexists) {
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printf("No Integrated GPU found in the system.\n");
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printf(
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"-crossdev option is only supported on systems with an Integrated "
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"GPU and a Discrete GPU\n");
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printf("Waiving the execution\n");
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exit(EXIT_SUCCESS);
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}
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}
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if (!eglSetupExtensions(isCrossDevice)) {
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printf("SetupExtentions failed \n");
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exit(EXIT_FAILURE);
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}
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#define MAX_EGL_DEVICES 4
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EGLDeviceEXT devices[MAX_EGL_DEVICES];
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EGLint numDevices = 0;
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EGLBoolean eglStatus =
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eglQueryDevicesEXT(MAX_EGL_DEVICES, devices, &numDevices);
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if (eglStatus != EGL_TRUE) {
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printf("Error querying EGL devices\n");
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exit(EXIT_FAILURE);
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}
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if (numDevices == 0) {
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printf("No EGL devices found\n");
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eglStatus = EGL_FALSE;
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exit(2); // EXIT_WAIVED
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}
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int egl_device_id = 0;
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for (egl_device_id = 0; egl_device_id < numDevices; egl_device_id++) {
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EGLAttrib cuda_device;
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eglStatus = eglQueryDeviceAttribEXT(devices[egl_device_id],
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EGL_CUDA_DEVICE_NV, &cuda_device);
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if (eglStatus == EGL_TRUE) {
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break;
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}
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}
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if (egl_device_id >= numDevices) {
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printf("No CUDA Capable EGL Device found.. Waiving execution\n");
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exit(2); // EXIT_WAIVED
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}
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if (isCrossDevice) {
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if (numDevices == 1) {
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printf(
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"Found only one EGL device, cannot setup cross GPU streams. "
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"Waiving\n");
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eglStatus = EGL_FALSE;
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exit(2); // EXIT_WAIVED
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}
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}
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return 0;
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}
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void launchProducer(TestArgs *args) {
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/* Cross-process creation of producer */
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char argsProducer[1024];
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char str[256];
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strcpy(argsProducer, "./EGLStream_CUDA_CrossGPU -proctype prod ");
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if (isCrossDevice) {
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sprintf(str, "-crossdev ");
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strcat(argsProducer, str);
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}
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if (verbose) {
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sprintf(str, "-v ");
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strcat(argsProducer, str);
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}
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/*Make the process run in bg*/
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strcat(argsProducer, "& ");
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printf("\n%s: Crossproc Producer command: %s \n", __func__, argsProducer);
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/*Create crossproc Producer*/
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system(argsProducer);
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/*Enable crossproc Consumer in the same process */
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args->isProducer = 0;
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}
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void printUsage(void) {
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printf("Usage:\n");
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printf(" -h Print this help message\n");
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printf(" -n n Exit after running n trials. Set to 10 by default\n");
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printf(
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" -profile Profile time taken by ReleaseAPI. Not set by default\n");
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printf(" -crossdev Run with producer on idgpu and consumer on dgpu\n");
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printf(" -dgpu (same as -crossdev, deprecated)\n");
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printf(" -v verbose output\n");
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}
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