Xiaogang Chen
c69e660e7a
Update KFDMultiProcessTest class to fork process on gpu wise. Signed-off-by: Xiaogang Chen <Xiaogang.Chen@amd.com> Change-Id: Ibb12d64b4cbc5f082d737fd8d8a74233b75be13e
84 wiersze
3.0 KiB
C++
84 wiersze
3.0 KiB
C++
/*
|
|
* Copyright (C) 2019 Advanced Micro Devices, Inc. All Rights Reserved.
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
|
* copy of this software and associated documentation files (the "Software"),
|
|
* to deal in the Software without restriction, including without limitation
|
|
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
* and/or sell copies of the Software, and to permit persons to whom the
|
|
* Software is furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
|
|
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
|
|
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
|
|
* OTHER DEALINGS IN THE SOFTWARE.
|
|
*
|
|
*/
|
|
|
|
#include "KFDMultiProcessTest.hpp"
|
|
|
|
void KFDMultiProcessTest::ForkChildProcesses(unsigned int nodeId, int nprocesses) {
|
|
int i;
|
|
int gpuIndex = m_NodeInfo.HsaGPUindexFromGpuNode(nodeId);
|
|
|
|
for (i = 0; i < nprocesses - 1; ++i) {
|
|
pid_t pid = fork();
|
|
ASSERT_GE(pid, 0);
|
|
|
|
if (pid == 0) {
|
|
/* Child process */
|
|
/* Cleanup file descriptors copied from parent process
|
|
* then call SetUp->hsaKmtOpenKFD to create new process
|
|
*/
|
|
m_psName[gpuIndex] = "Child Test process " + std::to_string(i) +
|
|
" on gpuNode: " + std::to_string(gpuIndex) + " ";
|
|
TearDown();
|
|
SetUp();
|
|
m_ChildPids[gpuIndex].clear();
|
|
m_IsParent[gpuIndex] = false;
|
|
m_ProcessIndex[gpuIndex] = i;
|
|
return;
|
|
}
|
|
|
|
/* Parent process */
|
|
m_ChildPids[gpuIndex].push_back(pid);
|
|
}
|
|
|
|
m_psName[gpuIndex] = "Parent Test process " + std::to_string(i) +
|
|
" on gpuNode: " + std::to_string(gpuIndex) + " ";
|
|
m_ProcessIndex[gpuIndex] = i;
|
|
}
|
|
|
|
void KFDMultiProcessTest::WaitChildProcesses(unsigned int nodeId) {
|
|
|
|
int gpuIndex = m_NodeInfo.HsaGPUindexFromGpuNode(nodeId);
|
|
|
|
if (m_IsParent[gpuIndex]) {
|
|
/* Only run by parent process */
|
|
int childStatus;
|
|
int childExitOkNum = 0;
|
|
int size = m_ChildPids[gpuIndex].size();
|
|
|
|
for (HSAuint32 i = 0; i < size; i++) {
|
|
pid_t pid = m_ChildPids[gpuIndex].front();
|
|
|
|
waitpid(pid, &childStatus, 0);
|
|
if (WIFEXITED(childStatus) == 1 && WEXITSTATUS(childStatus) == 0)
|
|
childExitOkNum++;
|
|
|
|
m_ChildPids[gpuIndex].erase(m_ChildPids[gpuIndex].begin());
|
|
}
|
|
|
|
EXPECT_EQ(childExitOkNum, size);
|
|
}
|
|
|
|
/* Child process or parent process finished successfully */
|
|
m_ChildStatus[gpuIndex] = HSAKMT_STATUS_SUCCESS;
|
|
}
|