Tool for analyzing output of perf tool: `$ perf script`
This calculates delta (difference of timestamps from various entry/exit points from events recorded) from the trace output, which is produced by using the perf script command, which in turn, uses the perf.data file produced by using the perf record command, a set of utilities,which is provided under the package [perf-tools](https://github.com/brendangregg/perf-tools)
Step 1: Install from pip: $ pip2 install perf-script-postprocessor
Step 2: Copy this conf file into /etc/ : https://raw.githubusercontent.com/arcolife/perf-script-postprocessor/master/delta_processor.conf)
Step 3: Customize the conf file accordingly.
Optional: Step 4: Refer to docs/WIKI.md or https://github.com/arcolife/perf-script-postprocessor/wiki for detailed usage.
For more, refer to INSTALL guide: https://github.com/arcolife/perf-script-postprocessor/blob/master/INSTALL
`$ perf_script_processor -p <dir path> -t <test type>`
Example: `$ perf_script_processor -p . -t 0`
-p (defaults to /tmp/pp_results) is where one of the following exists:
- perf.data – binary file. If you’re running this tool on perf.data, make sure
- you’re running it from the system where the binary was generated
- raw_perf – plain text output when perf script is run on folder containing perf.data
- perf_data.csv – generated in the process of generating results
-t (defaults to 0) is either 0 or 1. It’s the type of test that generated perf.data.
- 0: Native
- 1: Threads
NOTE: The stats at the end of run, will be stored in delta_output.log in folder where you’ve generate the output.
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