babeltrace2-query-babeltrace.trace-infos - Linux
Overview
babeltrace2-query-babeltrace.trace-infos
queries trace information from a Linux trace file. It provides metadata about traces for offline analysis.
Syntax
babeltrace2-query-babeltrace.trace-infos [options] <trace.trace-infos>
Options/Flags
- -h, –help: Display help and usage information.
- -v, –verbose: Enable verbose output.
- -f, –format: Specify output format:
text
,json
, orjson-pretty
(default istext
). - -o, –output: Specify output file (defaults to stdout).
Examples
Basic usage:
Query trace information from a specified file:
babeltrace2-query-babeltrace.trace-infos /path/to/trace.trace-infos
Verbose output:
Display more detailed information during execution:
babeltrace2-query-babeltrace.trace-infos -v /path/to/trace.trace-infos
Custom output format:
Export trace information in JSON format:
babeltrace2-query-babeltrace.trace-infos -f json /path/to/trace.trace-infos
Common Issues
Error: File not found
Ensure that the specified trace file exists and is accessible.
Error: Invalid trace file
Check if the trace file is corrupted or in a different format.
Error: Permission denied
Ensure that you have appropriate permissions to read the trace file.
Integration
babeltrace2-query-babeltrace.trace-infos
can be used with other tools, such as:
babeltrace2-instrument-*-offline
: Generate trace data for various subsystems.babeltrace2-analyze
: Analyze traces and generate reports.
Related Commands
babeltrace2-query-babeltrace.events
babeltrace2-query-babeltrace.joined-events