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Diagnostics: Remove duplicate code 

gpuProcessCleanUp is defined in multile places,
Reuse common code for cleaning up all processes.

Related-To: LOCI-3746

Signed-off-by: Bellekallu Rajkiran <bellekallu.rajkiran@intel.com>
This commit is contained in:
Bellekallu Rajkiran 2022-12-20 07:48:15 +00:00 committed by Compute-Runtime-Automation
parent fd6035d06c
commit 8d39ab7bcd
4 changed files with 46 additions and 84 deletions
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40
level_zero/tools/source/sysman/diagnostics/linux/os_diagnostics_imp.cpp
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@ -32,41 +32,6 @@ void OsDiagnostics::getSupportedDiagTestsFromFW(void *pOsSysman, std::vector<std
}
}
ze_result_t LinuxDiagnosticsImp::gpuProcessCleanup() {
::pid_t myPid = pProcfsAccess->myProcessId();
std::vector<::pid_t> processes;
std::vector<int> myPidFds;
ze_result_t result = pProcfsAccess->listProcesses(processes);
if (ZE_RESULT_SUCCESS != result) {
return result;
}
for (auto &&pid : processes) {
std::vector<int> fds;
pLinuxSysmanImp->getPidFdsForOpenDevice(pProcfsAccess, pSysfsAccess, pid, fds);
if (pid == myPid) {
// L0 is expected to have this file open.
// Keep list of fds. Close before unbind.
myPidFds = fds;
continue;
}
if (!fds.empty()) {
pProcfsAccess->kill(pid);
}
}
for (auto &&fd : myPidFds) {
// Close open filedescriptors to the device
// before unbinding device.
// From this point forward, there is no
// graceful way to fail the reset call.
// All future ze calls by this process for this
// device will fail.
::close(fd);
}
return ZE_RESULT_SUCCESS;
}
// before running diagnostics need to close all active workloads
// writing 1 to /sys/class/drm/card<n>/quiesce_gpu will signal KMD
//to close and clear all allocations,
@ -86,7 +51,7 @@ ze_result_t LinuxDiagnosticsImp::waitForQuiescentCompletion() {
if (ZE_RESULT_ERROR_HANDLE_OBJECT_IN_USE == result) {
count++;
NEO::sleep(std::chrono::seconds(1)); // Sleep for 1second every loop, gives enough time for KMD to clear all allocations and wedge the system
auto processResult = gpuProcessCleanup();
auto processResult = pLinuxSysmanImp->gpuProcessCleanup();
if (ZE_RESULT_SUCCESS != processResult) {
return processResult;
}
@ -110,7 +75,7 @@ ze_result_t LinuxDiagnosticsImp::osRunDiagTestsinFW(zes_diag_result_t *pResult)
NEO::ExecutionEnvironment *executionEnvironment = devicePtr->getNEODevice()->getExecutionEnvironment();
auto restorer = std::make_unique<L0::ExecutionEnvironmentRefCountRestore>(executionEnvironment);
pLinuxSysmanImp->releaseDeviceResources();
ze_result_t result = gpuProcessCleanup();
ze_result_t result = pLinuxSysmanImp->gpuProcessCleanup();
if (ZE_RESULT_SUCCESS != result) {
return result;
}
@ -156,7 +121,6 @@ LinuxDiagnosticsImp::LinuxDiagnosticsImp(OsSysman *pOsSysman, const std::string
pLinuxSysmanImp = static_cast<LinuxSysmanImp *>(pOsSysman);
pFwInterface = pLinuxSysmanImp->getFwUtilInterface();
pSysfsAccess = &pLinuxSysmanImp->getSysfsAccess();
pProcfsAccess = &pLinuxSysmanImp->getProcfsAccess();
}
std::unique_ptr<OsDiagnostics> OsDiagnostics::create(OsSysman *pOsSysman, const std::string &diagTests) {

1
level_zero/tools/source/sysman/diagnostics/linux/os_diagnostics_imp.h
View File

@ -31,7 +31,6 @@ class LinuxDiagnosticsImp : public OsDiagnostics, NEO::NonCopyableOrMovableClass
FirmwareUtil *pFwInterface = nullptr;
SysfsAccess *pSysfsAccess = nullptr;
FsAccess *pFsAccess = nullptr;
ProcfsAccess *pProcfsAccess = nullptr;
ze_result_t gpuProcessCleanup();
ze_result_t waitForQuiescentCompletion();

28
level_zero/tools/test/unit_tests/sources/sysman/diagnostics/linux/mock_zes_sysman_diagnostics.h
View File

@ -27,10 +27,7 @@ const std::string mockSlotPath1("/sys/bus/pci/slots/1/");
const std::string mockCorrectRootAddress("0000:8a:00.0");
const std::string mockWrongRootAddress("0000:7a:00.0");
class DiagnosticsFwInterface : public FirmwareUtil {};
template <>
struct Mock<DiagnosticsFwInterface> : public DiagnosticsFwInterface {
struct MockDiagnosticsFwInterface : public FirmwareUtil {
zes_diag_result_t mockDiagResult = ZES_DIAG_RESULT_NO_ERRORS;
ze_result_t mockFwInitResult = ZE_RESULT_SUCCESS;
ze_result_t mockFwRunDiagTestsResult = ZE_RESULT_SUCCESS;
@ -57,7 +54,7 @@ struct Mock<DiagnosticsFwInterface> : public DiagnosticsFwInterface {
mockDiagResult = result;
}
Mock<DiagnosticsFwInterface>() = default;
MockDiagnosticsFwInterface() = default;
ADDMETHOD_NOBASE(getFwVersion, ze_result_t, ZE_RESULT_SUCCESS, (std::string fwType, std::string &firmwareVersion));
ADDMETHOD_NOBASE(flashFirmware, ze_result_t, ZE_RESULT_SUCCESS, (std::string fwType, void *pImage, uint32_t size));
@ -72,9 +69,7 @@ struct MockGlobalOperationsEngineHandleContext : public EngineHandleContext {
void init(std::vector<ze_device_handle_t> &deviceHandles) override {}
};
class DiagFsAccess : public FsAccess {};
template <>
struct Mock<DiagFsAccess> : public DiagFsAccess {
struct MockDiagFsAccess : public FsAccess {
ze_result_t mockReadError = ZE_RESULT_SUCCESS;
ze_result_t mockWriteError = ZE_RESULT_SUCCESS;
ze_result_t mockListDirError = ZE_RESULT_SUCCESS;
@ -126,12 +121,10 @@ struct Mock<DiagFsAccess> : public DiagFsAccess {
mockRootAddress = mockWrongRootAddress;
}
Mock<DiagFsAccess>() = default;
MockDiagFsAccess() = default;
};
class DiagSysfsAccess : public SysfsAccess {};
template <>
struct Mock<DiagSysfsAccess> : public DiagSysfsAccess {
struct MockDiagSysfsAccess : public SysfsAccess {
ze_result_t mockError = ZE_RESULT_SUCCESS;
int checkErrorAfterCount = 0;
ze_result_t getRealPath(const std::string file, std::string &val) override {
@ -183,13 +176,10 @@ struct Mock<DiagSysfsAccess> : public DiagSysfsAccess {
checkErrorAfterCount = count;
setMockError(result);
}
Mock<DiagSysfsAccess>() = default;
MockDiagSysfsAccess() = default;
};
class DiagProcfsAccess : public ProcfsAccess {};
template <>
struct Mock<DiagProcfsAccess> : public DiagProcfsAccess {
struct MockDiagProcfsAccess : public ProcfsAccess {
std::vector<::pid_t> pidList = {1, 2, 3};
::pid_t ourDevicePid = 0;
ze_result_t mockError = ZE_RESULT_SUCCESS;
@ -217,10 +207,11 @@ struct Mock<DiagProcfsAccess> : public DiagProcfsAccess {
mockError = result;
}
Mock<DiagProcfsAccess>() = default;
MockDiagProcfsAccess() = default;
};
struct MockDiagLinuxSysmanImp : public LinuxSysmanImp {
using LinuxSysmanImp::pProcfsAccess;
MockDiagLinuxSysmanImp(SysmanDeviceImp *pParentSysmanDeviceImp) : LinuxSysmanImp(pParentSysmanDeviceImp) {}
std::vector<int> fdList = {0, 1, 2};
::pid_t ourDevicePid = 0;
@ -263,7 +254,6 @@ class PublicLinuxDiagnosticsImp : public L0::LinuxDiagnosticsImp {
using LinuxDiagnosticsImp::gpuProcessCleanup;
using LinuxDiagnosticsImp::pFwInterface;
using LinuxDiagnosticsImp::pLinuxSysmanImp;
using LinuxDiagnosticsImp::pProcfsAccess;
using LinuxDiagnosticsImp::pSysfsAccess;
using LinuxDiagnosticsImp::waitForQuiescentCompletion;
};

61
level_zero/tools/test/unit_tests/sources/sysman/diagnostics/linux/test_zes_sysman_diagnostics.cpp
View File

@ -54,10 +54,10 @@ class ZesDiagnosticsFixture : public SysmanDeviceFixture {
protected:
zes_diag_handle_t hSysmanDiagnostics = {};
std::unique_ptr<Mock<DiagnosticsFwInterface>> pMockDiagFwInterface;
std::unique_ptr<Mock<DiagSysfsAccess>> pMockSysfsAccess;
std::unique_ptr<Mock<DiagFsAccess>> pMockFsAccess;
std::unique_ptr<Mock<DiagProcfsAccess>> pMockDiagProcfsAccess;
std::unique_ptr<MockDiagnosticsFwInterface> pMockDiagFwInterface;
std::unique_ptr<MockDiagSysfsAccess> pMockSysfsAccess;
std::unique_ptr<MockDiagFsAccess> pMockFsAccess;
std::unique_ptr<MockDiagProcfsAccess> pMockDiagProcfsAccess;
std::unique_ptr<MockGlobalOperationsEngineHandleContext> pEngineHandleContext;
std::unique_ptr<MockDiagLinuxSysmanImp> pMockDiagLinuxSysmanImp;
@ -66,7 +66,6 @@ class ZesDiagnosticsFixture : public SysmanDeviceFixture {
FsAccess *pFsAccessOld = nullptr;
ProcfsAccess *pProcfsAccessOld = nullptr;
EngineHandleContext *pEngineHandleContextOld = nullptr;
LinuxSysmanImp *pLinuxSysmanImpOld = nullptr;
PRODUCT_FAMILY productFamily;
void SetUp() override {
@ -79,13 +78,12 @@ class ZesDiagnosticsFixture : public SysmanDeviceFixture {
pFsAccessOld = pLinuxSysmanImp->pFsAccess;
pProcfsAccessOld = pLinuxSysmanImp->pProcfsAccess;
pFwUtilInterfaceOld = pLinuxSysmanImp->pFwUtilInterface;
pLinuxSysmanImpOld = pLinuxSysmanImp;
pEngineHandleContext = std::make_unique<MockGlobalOperationsEngineHandleContext>(pOsSysman);
pMockDiagFwInterface = std::make_unique<NiceMock<Mock<DiagnosticsFwInterface>>>();
pMockSysfsAccess = std::make_unique<NiceMock<Mock<DiagSysfsAccess>>>();
pMockFsAccess = std::make_unique<NiceMock<Mock<DiagFsAccess>>>();
pMockDiagProcfsAccess = std::make_unique<NiceMock<Mock<DiagProcfsAccess>>>();
pMockDiagFwInterface = std::make_unique<MockDiagnosticsFwInterface>();
pMockSysfsAccess = std::make_unique<MockDiagSysfsAccess>();
pMockFsAccess = std::make_unique<MockDiagFsAccess>();
pMockDiagProcfsAccess = std::make_unique<MockDiagProcfsAccess>();
pMockDiagLinuxSysmanImp = std::make_unique<MockDiagLinuxSysmanImp>(pLinuxSysmanImp->getSysmanDeviceImp());
pSysmanDeviceImp->pEngineHandleContext = pEngineHandleContext.get();
pLinuxSysmanImp->pProcfsAccess = pMockDiagProcfsAccess.get();
@ -213,9 +211,9 @@ TEST_F(ZesDiagnosticsFixture, GivenValidDiagnosticsHandleWhenRunningDiagnosticsT
pPublicLinuxDiagnosticsImp->pSysfsAccess = pMockSysfsAccess.get();
pPublicLinuxDiagnosticsImp->pFwInterface = pMockDiagFwInterface.get();
pPublicLinuxDiagnosticsImp->pProcfsAccess = pMockDiagProcfsAccess.get();
pPublicLinuxDiagnosticsImp->pLinuxSysmanImp = pMockDiagLinuxSysmanImp.get();
VariableBackup<ProcfsAccess *> backup(&pMockDiagLinuxSysmanImp->pProcfsAccess);
pMockDiagLinuxSysmanImp->pProcfsAccess = pMockDiagProcfsAccess.get();
pPublicLinuxDiagnosticsImp->pLinuxSysmanImp->pDevice = pLinuxSysmanImp->getDeviceHandle();
DiagnosticsImp *ptestDiagnosticsImp = new DiagnosticsImp(pSysmanDeviceImp->pDiagnosticsHandleContext->pOsSysman, mockSupportedDiagTypes[0]);
@ -239,10 +237,10 @@ TEST_F(ZesDiagnosticsFixture, GivenValidDiagnosticsHandleWhenRunningDiagnosticsT
pPublicLinuxDiagnosticsImp->pSysfsAccess = pMockSysfsAccess.get();
pPublicLinuxDiagnosticsImp->pFwInterface = pMockDiagFwInterface.get();
pPublicLinuxDiagnosticsImp->pProcfsAccess = pMockDiagProcfsAccess.get();
pPublicLinuxDiagnosticsImp->pLinuxSysmanImp = pMockDiagLinuxSysmanImp.get();
VariableBackup<ProcfsAccess *> backup(&pMockDiagLinuxSysmanImp->pProcfsAccess);
pPublicLinuxDiagnosticsImp->pLinuxSysmanImp->pDevice = pLinuxSysmanImp->getDeviceHandle();
pMockDiagLinuxSysmanImp->pProcfsAccess = pMockDiagProcfsAccess.get();
pMockDiagFwInterface->setDiagResult(ZES_DIAG_RESULT_FORCE_UINT32);
pMockDiagFwInterface->mockFwRunDiagTestsResult = ZE_RESULT_ERROR_NOT_AVAILABLE;
@ -267,8 +265,9 @@ TEST_F(ZesDiagnosticsFixture, GivenValidDiagnosticsHandleWhenListProcessFailsThe
pPublicLinuxDiagnosticsImp->pSysfsAccess = pMockSysfsAccess.get();
pPublicLinuxDiagnosticsImp->pFwInterface = pMockDiagFwInterface.get();
pPublicLinuxDiagnosticsImp->pProcfsAccess = pMockDiagProcfsAccess.get();
pPublicLinuxDiagnosticsImp->pLinuxSysmanImp = pMockDiagLinuxSysmanImp.get();
VariableBackup<ProcfsAccess *> backup(&pMockDiagLinuxSysmanImp->pProcfsAccess);
pMockDiagLinuxSysmanImp->pProcfsAccess = pMockDiagProcfsAccess.get();
pPublicLinuxDiagnosticsImp->pLinuxSysmanImp->pDevice = pLinuxSysmanImp->getDeviceHandle();
@ -295,8 +294,9 @@ TEST_F(ZesDiagnosticsFixture, GivenValidDiagnosticsHandleWhenQuiescentingFailsTh
pPublicLinuxDiagnosticsImp->pSysfsAccess = pMockSysfsAccess.get();
pPublicLinuxDiagnosticsImp->pFwInterface = pMockDiagFwInterface.get();
pPublicLinuxDiagnosticsImp->pProcfsAccess = pMockDiagProcfsAccess.get();
pPublicLinuxDiagnosticsImp->pLinuxSysmanImp = pMockDiagLinuxSysmanImp.get();
VariableBackup<ProcfsAccess *> backup(&pMockDiagLinuxSysmanImp->pProcfsAccess);
pMockDiagLinuxSysmanImp->pProcfsAccess = pMockDiagProcfsAccess.get();
pPublicLinuxDiagnosticsImp->pLinuxSysmanImp->pDevice = pLinuxSysmanImp->getDeviceHandle();
@ -323,8 +323,9 @@ TEST_F(ZesDiagnosticsFixture, GivenValidDiagnosticsHandleWhenInvalidateLmemFails
pPublicLinuxDiagnosticsImp->pSysfsAccess = pMockSysfsAccess.get();
pPublicLinuxDiagnosticsImp->pFwInterface = pMockDiagFwInterface.get();
pPublicLinuxDiagnosticsImp->pProcfsAccess = pMockDiagProcfsAccess.get();
pPublicLinuxDiagnosticsImp->pLinuxSysmanImp = pMockDiagLinuxSysmanImp.get();
VariableBackup<ProcfsAccess *> backup(&pMockDiagLinuxSysmanImp->pProcfsAccess);
pMockDiagLinuxSysmanImp->pProcfsAccess = pMockDiagProcfsAccess.get();
pPublicLinuxDiagnosticsImp->pLinuxSysmanImp->pDevice = pLinuxSysmanImp->getDeviceHandle();
@ -351,8 +352,9 @@ TEST_F(ZesDiagnosticsFixture, GivenValidDiagnosticsHandleWhenColdResetFailsThenC
pPublicLinuxDiagnosticsImp->pSysfsAccess = pMockSysfsAccess.get();
pPublicLinuxDiagnosticsImp->pFwInterface = pMockDiagFwInterface.get();
pPublicLinuxDiagnosticsImp->pProcfsAccess = pMockDiagProcfsAccess.get();
pPublicLinuxDiagnosticsImp->pLinuxSysmanImp = pMockDiagLinuxSysmanImp.get();
VariableBackup<ProcfsAccess *> backup(&pMockDiagLinuxSysmanImp->pProcfsAccess);
pMockDiagLinuxSysmanImp->pProcfsAccess = pMockDiagProcfsAccess.get();
pPublicLinuxDiagnosticsImp->pLinuxSysmanImp->pDevice = pLinuxSysmanImp->getDeviceHandle();
@ -380,8 +382,9 @@ TEST_F(ZesDiagnosticsFixture, GivenValidDiagnosticsHandleWhenWarmResetFailsThenC
pPublicLinuxDiagnosticsImp->pSysfsAccess = pMockSysfsAccess.get();
pPublicLinuxDiagnosticsImp->pFwInterface = pMockDiagFwInterface.get();
pPublicLinuxDiagnosticsImp->pProcfsAccess = pMockDiagProcfsAccess.get();
pPublicLinuxDiagnosticsImp->pLinuxSysmanImp = pMockDiagLinuxSysmanImp.get();
VariableBackup<ProcfsAccess *> backup(&pMockDiagLinuxSysmanImp->pProcfsAccess);
pMockDiagLinuxSysmanImp->pProcfsAccess = pMockDiagProcfsAccess.get();
pPublicLinuxDiagnosticsImp->pLinuxSysmanImp->pDevice = pLinuxSysmanImp->getDeviceHandle();
@ -408,8 +411,9 @@ TEST_F(ZesDiagnosticsFixture, GivenValidDiagnosticsHandleWhenWarmResetSucceedsAn
pPublicLinuxDiagnosticsImp->pSysfsAccess = pMockSysfsAccess.get();
pPublicLinuxDiagnosticsImp->pFwInterface = pMockDiagFwInterface.get();
pPublicLinuxDiagnosticsImp->pProcfsAccess = pMockDiagProcfsAccess.get();
pPublicLinuxDiagnosticsImp->pLinuxSysmanImp = pMockDiagLinuxSysmanImp.get();
VariableBackup<ProcfsAccess *> backup(&pMockDiagLinuxSysmanImp->pProcfsAccess);
pMockDiagLinuxSysmanImp->pProcfsAccess = pMockDiagProcfsAccess.get();
pPublicLinuxDiagnosticsImp->pLinuxSysmanImp->pDevice = pLinuxSysmanImp->getDeviceHandle();
@ -436,8 +440,9 @@ TEST_F(ZesDiagnosticsFixture, GivenValidDiagnosticsHandleWhenColdResetSucceedsAn
pPublicLinuxDiagnosticsImp->pSysfsAccess = pMockSysfsAccess.get();
pPublicLinuxDiagnosticsImp->pFwInterface = pMockDiagFwInterface.get();
pPublicLinuxDiagnosticsImp->pProcfsAccess = pMockDiagProcfsAccess.get();
pPublicLinuxDiagnosticsImp->pLinuxSysmanImp = pMockDiagLinuxSysmanImp.get();
VariableBackup<ProcfsAccess *> backup(&pMockDiagLinuxSysmanImp->pProcfsAccess);
pMockDiagLinuxSysmanImp->pProcfsAccess = pMockDiagProcfsAccess.get();
pPublicLinuxDiagnosticsImp->pLinuxSysmanImp->pDevice = pLinuxSysmanImp->getDeviceHandle();
@ -465,7 +470,8 @@ TEST_F(ZesDiagnosticsFixture, GivenValidDiagnosticsHandleWhenGPUProcessCleanupSu
pPublicLinuxDiagnosticsImp->pSysfsAccess = pMockSysfsAccess.get();
pPublicLinuxDiagnosticsImp->pFwInterface = pMockDiagFwInterface.get();
pPublicLinuxDiagnosticsImp->pProcfsAccess = pMockDiagProcfsAccess.get();
VariableBackup<ProcfsAccess *> backup(&pMockDiagLinuxSysmanImp->pProcfsAccess);
pMockDiagLinuxSysmanImp->pProcfsAccess = pMockDiagProcfsAccess.get();
pPublicLinuxDiagnosticsImp->pLinuxSysmanImp = pMockDiagLinuxSysmanImp.get();
pPublicLinuxDiagnosticsImp->pLinuxSysmanImp->pDevice = pLinuxSysmanImp->getDeviceHandle();
@ -473,7 +479,7 @@ TEST_F(ZesDiagnosticsFixture, GivenValidDiagnosticsHandleWhenGPUProcessCleanupSu
pMockDiagProcfsAccess->ourDevicePid = getpid();
pMockDiagLinuxSysmanImp->ourDevicePid = getpid();
pMockDiagLinuxSysmanImp->ourDeviceFd = ::open("/dev/null", 0);
EXPECT_EQ(ZE_RESULT_SUCCESS, pPublicLinuxDiagnosticsImp->gpuProcessCleanup());
EXPECT_EQ(ZE_RESULT_SUCCESS, pPublicLinuxDiagnosticsImp->pLinuxSysmanImp->gpuProcessCleanup());
}
TEST_F(ZesDiagnosticsFixture, GivenValidDiagnosticsHandleWhenGPUProcessCleanupFailsThenWaitForQuiescentCompletionsFails) {
@ -483,8 +489,9 @@ TEST_F(ZesDiagnosticsFixture, GivenValidDiagnosticsHandleWhenGPUProcessCleanupFa
pPublicLinuxDiagnosticsImp->pSysfsAccess = pMockSysfsAccess.get();
pPublicLinuxDiagnosticsImp->pFwInterface = pMockDiagFwInterface.get();
pPublicLinuxDiagnosticsImp->pProcfsAccess = pMockDiagProcfsAccess.get();
pPublicLinuxDiagnosticsImp->pLinuxSysmanImp = pMockDiagLinuxSysmanImp.get();
VariableBackup<ProcfsAccess *> backup(&pMockDiagLinuxSysmanImp->pProcfsAccess);
pMockDiagLinuxSysmanImp->pProcfsAccess = pMockDiagProcfsAccess.get();
pPublicLinuxDiagnosticsImp->pLinuxSysmanImp->pDevice = pLinuxSysmanImp->getDeviceHandle();
@ -500,8 +507,9 @@ TEST_F(ZesDiagnosticsFixture, GivenValidDiagnosticsHandleWhenQuiescentFailsConti
pPublicLinuxDiagnosticsImp->pSysfsAccess = pMockSysfsAccess.get();
pPublicLinuxDiagnosticsImp->pFwInterface = pMockDiagFwInterface.get();
pPublicLinuxDiagnosticsImp->pProcfsAccess = pMockDiagProcfsAccess.get();
pPublicLinuxDiagnosticsImp->pLinuxSysmanImp = pMockDiagLinuxSysmanImp.get();
VariableBackup<ProcfsAccess *> backup(&pMockDiagLinuxSysmanImp->pProcfsAccess);
pMockDiagLinuxSysmanImp->pProcfsAccess = pMockDiagProcfsAccess.get();
pPublicLinuxDiagnosticsImp->pLinuxSysmanImp->pDevice = pLinuxSysmanImp->getDeviceHandle();
pMockSysfsAccess->setErrorAfterCount(12, ZE_RESULT_ERROR_HANDLE_OBJECT_IN_USE);
@ -515,8 +523,9 @@ TEST_F(ZesDiagnosticsFixture, GivenValidDiagnosticsHandleWhenInvalidateLmemFails
pPublicLinuxDiagnosticsImp->pSysfsAccess = pMockSysfsAccess.get();
pPublicLinuxDiagnosticsImp->pFwInterface = pMockDiagFwInterface.get();
pPublicLinuxDiagnosticsImp->pProcfsAccess = pMockDiagProcfsAccess.get();
pPublicLinuxDiagnosticsImp->pLinuxSysmanImp = pMockDiagLinuxSysmanImp.get();
VariableBackup<ProcfsAccess *> backup(&pMockDiagLinuxSysmanImp->pProcfsAccess);
pMockDiagLinuxSysmanImp->pProcfsAccess = pMockDiagProcfsAccess.get();
pPublicLinuxDiagnosticsImp->pLinuxSysmanImp->pDevice = pLinuxSysmanImp->getDeviceHandle();