Analyzer pyftrace

Name

pyftrace - Trace python function call entry/exit events

This analyzer traces Python function call entry and exit events to provide detailed execution flow analysis. It captures timestamps and stack information for each function invocation and return, creating a complete timeline of function execution. The analyzer helps understand program execution flow, measure function-level timing, and diagnose complex call sequences in Python applications.

Resource Category

CPU.

Application Type & Technical Stack

  • Python

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 pyftrace -p PID

# trace a shell command directly
orxray analyzer run pyftrace -c SHELL_CMD

# PGID is the process group ID or any process's PID within the target process
# group.
orxray analyzer run pyftrace -p -PGID

# trace any processes started from the specified executable path.
orxray analyzer run pyftrace --exe /path/to/exe/file

Tracing Multiple Processes

Supported.

Output Formats

  • Plain Texts

Author

The OpenResty Inc. Team.

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