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Generate Offline Dump Context ID

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On linux OfflineDumpContextId consists of
32b processId in bits 63:32
32b drmContestId in bits 31:0
Also cache linux implementation of getProcessId since
the value is constant.

Related-To: NEO-7630
Signed-off-by: Fabian Zwolinski <fabian.zwolinski@intel.com>
This commit is contained in:
Fabian Zwolinski
2023-03-31 11:41:17 +00:00
committed by Compute-Runtime-Automation
parent 53fe4de534
commit fd971f7a61
9 changed files with 71 additions and 2 deletions
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11
shared/source/os_interface/linux/os_context_linux.cpp
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@ -17,6 +17,7 @@
#include "shared/source/os_interface/os_context.h"
#include "shared/source/os_interface/os_interface.h"
#include "shared/source/os_interface/product_helper.h"
#include "shared/source/os_interface/sys_calls_common.h"
namespace NEO {
@ -94,6 +95,16 @@ void OsContextLinux::waitForPagingFence() {
void OsContextLinux::reInitializeContext() {}
uint64_t OsContextLinux::getOfflineDumpContextId(uint32_t deviceIndex) const {
if (deviceIndex < drmContextIds.size()) {
const auto processId = SysCalls::getProcessId();
const auto drmContextId = drmContextIds[deviceIndex];
return static_cast<uint64_t>(processId) << 32 |
static_cast<uint64_t>(drmContextId);
}
return 0;
}
OsContextLinux::~OsContextLinux() {
if (contextInitialized) {
for (auto drmContextId : drmContextIds) {

2
shared/source/os_interface/linux/os_context_linux.h
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@ -50,6 +50,8 @@ class OsContextLinux : public OsContext {
return contextHangDetected;
}
uint64_t getOfflineDumpContextId(uint32_t deviceIndex) const override;
protected:
bool initializeContext() override;

3
shared/source/os_interface/linux/sys_calls_linux.cpp
View File

@ -22,7 +22,8 @@ namespace NEO {
namespace SysCalls {
unsigned int getProcessId() {
return getpid();
static unsigned int pid = getpid();
return pid;
}
unsigned long getNumThreads() {