Re: [PATCH 07/17] coresight: tmc etr: Add transparent buffer management

2017-11-03 Thread Mathieu Poirier
On 3 November 2017 at 04:02, Suzuki K Poulose wrote: > On 02/11/17 17:48, Mathieu Poirier wrote: >> >> On Thu, Oct 19, 2017 at 06:15:43PM +0100, Suzuki K Poulose wrote: >>> >>> At the moment we always use contiguous memory for TMC ETR tracing >>> when used from sysfs. The

Re: [PATCH 07/17] coresight: tmc etr: Add transparent buffer management

2017-11-03 Thread Mathieu Poirier
On 3 November 2017 at 04:02, Suzuki K Poulose wrote: > On 02/11/17 17:48, Mathieu Poirier wrote: >> >> On Thu, Oct 19, 2017 at 06:15:43PM +0100, Suzuki K Poulose wrote: >>> >>> At the moment we always use contiguous memory for TMC ETR tracing >>> when used from sysfs. The size of the buffer is

Re: [PATCH 07/17] coresight: tmc etr: Add transparent buffer management

2017-11-03 Thread Suzuki K Poulose
On 02/11/17 17:48, Mathieu Poirier wrote: On Thu, Oct 19, 2017 at 06:15:43PM +0100, Suzuki K Poulose wrote: At the moment we always use contiguous memory for TMC ETR tracing when used from sysfs. The size of the buffer is fixed at boot time and can only be changed by modifiying the DT. With the

Re: [PATCH 07/17] coresight: tmc etr: Add transparent buffer management

2017-11-03 Thread Suzuki K Poulose
On 02/11/17 17:48, Mathieu Poirier wrote: On Thu, Oct 19, 2017 at 06:15:43PM +0100, Suzuki K Poulose wrote: At the moment we always use contiguous memory for TMC ETR tracing when used from sysfs. The size of the buffer is fixed at boot time and can only be changed by modifiying the DT. With the

Re: [PATCH 07/17] coresight: tmc etr: Add transparent buffer management

2017-11-02 Thread Mathieu Poirier
On Thu, Oct 19, 2017 at 06:15:43PM +0100, Suzuki K Poulose wrote: > At the moment we always use contiguous memory for TMC ETR tracing > when used from sysfs. The size of the buffer is fixed at boot time > and can only be changed by modifiying the DT. With the introduction > of SG support we could

Re: [PATCH 07/17] coresight: tmc etr: Add transparent buffer management

2017-11-02 Thread Mathieu Poirier
On Thu, Oct 19, 2017 at 06:15:43PM +0100, Suzuki K Poulose wrote: > At the moment we always use contiguous memory for TMC ETR tracing > when used from sysfs. The size of the buffer is fixed at boot time > and can only be changed by modifiying the DT. With the introduction > of SG support we could

[PATCH 07/17] coresight: tmc etr: Add transparent buffer management

2017-10-19 Thread Suzuki K Poulose
At the moment we always use contiguous memory for TMC ETR tracing when used from sysfs. The size of the buffer is fixed at boot time and can only be changed by modifiying the DT. With the introduction of SG support we could support really large buffers in that mode. This patch abstracts the buffer

[PATCH 07/17] coresight: tmc etr: Add transparent buffer management

2017-10-19 Thread Suzuki K Poulose
At the moment we always use contiguous memory for TMC ETR tracing when used from sysfs. The size of the buffer is fixed at boot time and can only be changed by modifiying the DT. With the introduction of SG support we could support really large buffers in that mode. This patch abstracts the buffer