Device CloudQualcomm® Device Cloud

Profiling Devices

You can use Qualcomm Profiler to collect metrics from devices during interactive sessions.

For Compute Devices

Simply login to Qualcomm Software Center using your Qualcomm ID on the remote device. Choose "View Catalog", then click on "Tools", search for "Qualcomm profiler" to download and install on the remote device. Then you can start using Qualcomm Profiler on the remote Compute device.

For Mobile Devices (Android) and Automotive Devices via LAGVM

Important: The following 5 steps are ONLY for Mobile devices (Android) and Automotive devices via LAGVM (Linux Android Guest VM). These steps do NOT apply to Compute devices.

Please follow the steps below to install Qualcomm Profiler and start profiling:

Step 1: Download and install Qualcomm profiler on your own laptop

Login to Qualcomm Software Center using your Qualcomm ID. Choose "View Catalog", then click on "Tools", search for "Qualcomm profiler" to download and install.

Qualcomm default installation directory:

C:\Program Files (Arm)\Qualcomm\QualcommProfiler for Snapdragon laptop

OR

C:\Program Files (x86)\Qualcomm\QualcommProfiler for X86 laptop

Step 2: Start interactive session on a QDC device

Start SSH tunnel, connecting to additional ports 8900, follow the guide of "Connect" button

Step 3: Install Qualcomm Profiler agent on the QDC device

On your laptop's powershell window:

adb devices
List of devices attached
927775bb        device

On your laptop:

cd "C:\Program Files (Arm)\Qualcomm\Shared\QualcommProfiler\API\target-la"
# Or use the x86 path if your laptop is x86
./InstallerLA.exe -d 927775bb
# Installation will start server on device at default port 62472, need to switch to port 8900 to 8909

Step 4: Reconfigure listening port from default 62472 to port 8900

adb shell
export QMONITOR_BACKEND_LIB_PATH=/vendor/qprof/backends
export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/vendor/qprof/libs
qprof --stop-server    # stop port 62472
qprof --configure --server-ip 127.0.0.1 --port 8900
qprof --start-server

Step 5: Run Qualcomm Profiler on laptop

Connect to device - choose Mobile or Automotive, IP address 127.0.0.1 Port 8900

connectToDevice

Select Profile type

profilingType

Select Profiling metrics

profilingMetrics

Start profiling

startProfiling
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