Analyzer lj-slowest-str-gsub
Name
lj-slowest-str-gsub - Slowest String Global Substitution For Lua’s string.gsub
Resource Category
CPU.
Application Type & Technical Stack
- OpenResty
Parameters
The following parameters (or global variables) can be overridden by the user when running the analyzer or tool:
sample_time
Type: int
Description: sample time(second)
Default Value: 3
max_hits
Type: int
Description: max hit entries
Default Value: 100
threshold_ns
Type: int
Description: min threshold(nanosecond)
Default Value: 25000
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 lj-slowest-str-gsub -p PID
# trace a shell command directly
orxray analyzer run lj-slowest-str-gsub -c SHELL_CMD
# PGID is the process group ID or any process's PID within the target process
# group.
orxray analyzer run lj-slowest-str-gsub -p -PGID
# trace any processes started from the specified executable path.
orxray analyzer run lj-slowest-str-gsub --exe /path/to/exe/file
Tracing Multiple Processes
Supported.
Output Formats
- Bar Charts
- Histogram Bar Charts
- Plain Texts
Author
The OpenResty Inc. Team.
Copyright
Copyright (C) by OpenResty Inc. All rights reserved.