Analyzer vfs-read-write
Name
vfs-read-write - Virtual File System Read/Write/Sendfile Flame Graph
Resource Category
Disk I/O.
Application Type & Technical Stack
- C/C++
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 vfs-read-write -p PID
# trace a shell command directly
orxray analyzer run vfs-read-write -c SHELL_CMD
# PGID is the process group ID or any process's PID within the target process
# group.
orxray analyzer run vfs-read-write -p -PGID
# trace any processes started from the specified executable path.
orxray analyzer run vfs-read-write --exe /path/to/exe/file
Tracing Multiple Processes
Supported.
Output Formats
- Flame Graphs
Author
The OpenResty Inc. Team.
Copyright
Copyright (C) by OpenResty Inc. All rights reserved.