New ETR driver on GitHub

Good afternoon to all,

For the 4.18 cycle I pushed Suzuki's new ETR driver implementation to GitHub's perf-opencsd repository [1]. It includes support for SG and contiguous mode, all handled automatically without the need for user intervention. I gave it a couple of spin and things work as advertised.

So it's up there now - please try it out in your setup while I review the patches on the public mailing list.

Note that this has no correlation with the support for CPU-wide scenarios patchset I sent out last week.

Regards, Mathieu

[1]. https://github.com/Linaro/perf-opencsd/commits/master