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* PM / devfreq: Add tracepoint for frequency changesMatthias Kaehlcke2020-10-261-0/+28
| | | | | | | | | Add a tracepoint for frequency changes of devfreq devices and use it. Signed-off-by: Matthias Kaehlcke <mka@chromium.org> [cw00.choi: Move print position of tracepoint and add more information] Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
* trace: events: devfreq: Use fixed indentation size to improve readabilityChanwoo Choi2020-10-261-1/+1
| | | | | | | Each tracepoint infromation consist of the different size value. So, in order to improve the readability, use the fixed indentation size. Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
* trace: events: add devfreq trace event fileLukasz Luba2019-04-161-0/+40
The patch adds a new file for with trace events for devfreq framework. They are used for performance analysis of the framework. It also contains updates in MAINTAINERS file adding new entry for devfreq maintainers. Signed-off-by: Lukasz Luba <l.luba@partner.samsung.com> Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com> Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>