Analyzer sys-load-avg-by-app

# Name

sys-load-avg-by-app - System Load Average By Application

This analyzer monitors system load average attributed to individual applications. It captures on-CPU execution time across all processes and correlates load metrics with specific applications. The analyzer presents data in bar chart format, showing each application’s contribution to system load during the sampling period, helping identify applications causing high system load and troubleshoot performance issues.

# Resource Category

CPU.

# Application Type & Technical Stack

• All

# Command Line Syntax

The analyzer can be invoked directly on the command-line via the orxray utility from the openresty-xray-cli software package.

Alternatively, the analyzer can also be invoked manually or automatically on the web console UI of OpenResty XRay (like on the Advanced web page).

# PID is the target process PID.
orxray analyzer run sys-load-avg-by-app -p PID

# trace a shell command directly
orxray analyzer run sys-load-avg-by-app -c SHELL_CMD

# PGID is the process group ID or any process's PID within the target process
# group.
orxray analyzer run sys-load-avg-by-app -p -PGID

# trace any processes started from the specified executable path.
orxray analyzer run sys-load-avg-by-app --exe /path/to/exe/file

# Tracing Multiple Processes

Supported.

# Output Formats

• Bar Charts
• Plain Texts

# Output Example

[{
  "title": "Load average by application in 5s",
  "subtitle": "Total load: 0.1",
  "type": "bar",
  "series": {
    "data": {"nginx: worker process": 0.1},
    "name": "Load"
  }
}]

# Author

The OpenResty Inc. Team.

# Copyright

Copyright (C) by OpenResty Inc. All rights reserved.