System Profiler Functions

The tool collects performance data of server processor hardware, OSs, processes/threads, and functions to analyze performance metrics and locate performance bottlenecks and hotspot functions.

Command Function

Displays the help information about system performance analysis tasks.

Syntax

devkit tuner [-h | --help] TASK [ARGS]

An RPM package is used as an example.

Example

Run the following command to view the information about the functions supported by the System Profiler:

1	devkit tuner -h

Command output:

 Usage: devkit tuner [-h | --help] TASK [ARGS]

 The most commonly used devkit tuner sub tasks are:
   help       Get help information
   top-down   Run the top-down collection and analysis task
   hotspot    Run the hotspot collection and analysis task
   miss       Run the miss collection and analysis task
   numafast   Run the numafast collection and analysis task
   hpc-perf   Run the hpc-perf collection and analysis task
   roofline   Run the roofline collection and analysis task
   memory     Run the memory collection and analysis task

 See 'devkit tuner TASK --help' for more information on a specific task.

**Table 1** Function description
Function	Description
help	Displays help information.
top-down	Microarchitecture analysis.
hotspot	Hotspot function analysis.
miss	Miss event analysis.
numafast	NUMA refined analysis.
hpc-perf	HPC application analysis.
roofline	Roofline analysis.
memory	Memory access statistical analysis.

Parent topic: System Profiler