![Forrest logo](/images/logo.png)
py-spy:tldr:4af81
The command "py-spy dump --pid ${pid}" is used to capture a snapshot of the Python program's execution stack traces at a specific point in time. Here's a breakdown of the command:
-
"py-spy": It is a profiling tool for Python programs. It can be used to collect performance profiles of Python applications.
-
"dump": It is a command of py-spy that instructs it to capture a profiler snapshot or dump the execution stack traces of the Python program.
-
"--pid ${pid}": This part is where you specify the ID of the process you want to profile. The variable "${pid}" represents the placeholder for the actual process ID. In this command, you need to replace "${pid}" with the desired process ID. The process ID is used to identify the running Python program you want to profile.
By executing this command with a valid process ID, py-spy will collect the current stack traces of the Python program and generate a snapshot file that can be further analyzed or visualized to identify performance bottlenecks or optimize the program's execution.