intel/compute-runtime
1
0
Fork 0
mirror of https://github.com/intel/compute-runtime.git synced 2026-01-06 10:26:29 +08:00
Code Issues Packages Projects Releases Wiki Activity

performance: add low latency hint on xe

Browse Source 
Related-To: NEO-14708

Signed-off-by: Szymon Morek <szymon.morek@intel.com>
This commit is contained in:
Szymon Morek
2025-08-21 09:53:34 +00:00
committed by Compute-Runtime-Automation
parent 7494d9b80d
commit d17255fe18
6 changed files with 91 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
shared/source/os_interface/linux/xe/ioctl_helper_xe.cpp
View File

@@ -214,8 +214,17 @@ bool IoctlHelperXe::initialize() {
xeLog("DRM_XE_QUERY_CONFIG_MAX_EXEC_QUEUE_PRIORITY\t\t%#llx\n",
config->info[DRM_XE_QUERY_CONFIG_MAX_EXEC_QUEUE_PRIORITY]);
xeLog(" DRM_XE_QUERY_CONFIG_FLAG_HAS_LOW_LATENCY\t%s\n",
config->info[DRM_XE_QUERY_CONFIG_FLAGS] &
DRM_XE_QUERY_CONFIG_FLAG_HAS_LOW_LATENCY
? "ON"
: "OFF");
maxExecQueuePriority = config->info[DRM_XE_QUERY_CONFIG_MAX_EXEC_QUEUE_PRIORITY] & 0xffff;
isLowLatencyHintAvailable = false;
if (debugManager.flags.ForceLowLatencyHint.get() != -1) {
isLowLatencyHintAvailable = !!debugManager.flags.ForceLowLatencyHint.get();
}
memset(&queryConfig, 0, sizeof(queryConfig));
queryConfig.query = DRM_XE_DEVICE_QUERY_HWCONFIG;
@@ -1335,6 +1344,12 @@ void IoctlHelperXe::xeShowBindTable() {
}
}
void IoctlHelperXe::applyContextFlags(void *execQueueCreate, bool allocateInterrupt) {
if (this->isLowLatencyHintAvailable) {
reinterpret_cast<drm_xe_exec_queue_create *>(execQueueCreate)->flags |= DRM_XE_EXEC_QUEUE_LOW_LATENCY_HINT;
}
}
int IoctlHelperXe::createDrmContext(Drm &drm, OsContextLinux &osContext, uint32_t drmVmId, uint32_t deviceIndex, bool allocateInterrupt) {
uint32_t drmContextId = 0;

3
shared/source/os_interface/linux/xe/ioctl_helper_xe.h
View File

@@ -178,7 +178,7 @@ class IoctlHelperXe : public IoctlHelper {
uint16_t getDefaultEngineClass(const aub_stream::EngineType &defaultEngineType);
void setOptionalContextProperties(Drm &drm, void *extProperties, uint32_t &extIndexInOut);
virtual void setContextProperties(const OsContextLinux &osContext, uint32_t deviceIndex, void *extProperties, uint32_t &extIndexInOut);
virtual void applyContextFlags(void *execQueueCreate, bool allocateInterrupt){};
virtual void applyContextFlags(void *execQueueCreate, bool allocateInterrupt);
struct GtIpVersion {
uint16_t major;
@@ -187,6 +187,7 @@ class IoctlHelperXe : public IoctlHelper {
};
bool queryHwIpVersion(GtIpVersion &gtIpVersion);
bool isLowLatencyHintAvailable = false;
int maxExecQueuePriority = 0;
std::mutex xeLock;
std::mutex gemCloseLock;