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In PMT telem directory ignore entry whose suffix is not "telem"

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Signed-off-by: Jitendra Sharma <jitendra.sharma@intel.com>
This commit is contained in:
Jitendra Sharma
2021-05-13 10:35:58 +00:00
committed by Compute-Runtime-Automation
parent a2a3daeb50
commit 5f41e00909
3 changed files with 32 additions and 6 deletions
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17
level_zero/tools/source/sysman/linux/pmt/pmt.cpp
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@@ -62,6 +62,14 @@ ze_result_t PlatformMonitoringTech::enumerateRootTelemIndex(FsAccess *pFsAccess,
return result;
}
// listOfTelemNodes vector could contain non "telem" entries which are not interested to us.
// Lets refactor listOfTelemNodes vector as below
for (auto iterator = listOfTelemNodes.begin(); iterator != listOfTelemNodes.end(); iterator++) {
if (iterator->compare(0, telem.size(), telem) != 0) {
listOfTelemNodes.erase(iterator--); // Remove entry if its suffix is not "telem"
}
}
// Exmaple: For below directory
// # /sys/class/intel_pmt$ ls
// telem1 telem2 telem3
@@ -73,12 +81,13 @@ ze_result_t PlatformMonitoringTech::enumerateRootTelemIndex(FsAccess *pFsAccess,
if (result != ZE_RESULT_SUCCESS) {
return result;
}
// Check if Telemetry node(say telem1) and rootPciPathOfGpuDevice share same PCI Root port
// Example: If
// rootPciPathOfGpuDevice = "/sys/devices/pci0000:89/0000:89:02.0/0000:8a:00.0";
// realPathOfTelemNode = "/sys/devices/pci0000:89/0000:89:02.0/0000:8a:00.0/0000:8b:02.0/0000:8e:00.1/pmt_telemetry.1.auto/intel_pmt/telem1";
// Thus As realPathOfTelemNode consists of rootPciPathOfGpuDevice, hence both telemNode and GPU device share same PCI Root.
if (realPathOfTelemNode.compare(0, rootPciPathOfGpuDevice.size(), rootPciPathOfGpuDevice) == 0) {
// Example: If
// rootPciPathOfGpuDevice = "/sys/devices/pci0000:89/0000:89:02.0/0000:8a:00.0";
// realPathOfTelemNode = "/sys/devices/pci0000:89/0000:89:02.0/0000:8a:00.0/0000:8b:02.0/0000:8e:00.1/pmt_telemetry.1.auto/intel_pmt/telem1";
// Thus As realPathOfTelemNode consists of rootPciPathOfGpuDevice, hence both telemNode and GPU device share same PCI Root.
auto indexString = telemNode.substr(telem.size(), telemNode.size());
rootDeviceTelemNodeIndex = stoi(indexString); // if telemNode is telemN, then rootDeviceTelemNodeIndex = N
return ZE_RESULT_SUCCESS;