Re: [PATCH 14/17] coresight: etr: Add support for save restore buffers

2017-11-03 Thread Mathieu Poirier
On Thu, Oct 19, 2017 at 06:15:50PM +0100, Suzuki K Poulose wrote: > Add support for creating buffers which can be used in save-restore > mode (e.g, for use by perf). If the TMC-ETR supports save-restore > feature, we could support the mode in all buffer backends. However, Instead of using the term

[PATCH 14/17] coresight: etr: Add support for save restore buffers

2017-10-19 Thread Suzuki K Poulose
Add support for creating buffers which can be used in save-restore mode (e.g, for use by perf). If the TMC-ETR supports save-restore feature, we could support the mode in all buffer backends. However, if it doesn't, we should fall back to using in built SG mechanism, where we can rotate the SG tabl