On Mon, Mar 07, 2016 at 03:50:14AM +0000, Wang Nan wrote: > This patch set has been posted multiple times (with and without > corresponding 'perf tool' patches), and doesn't receive further > comment. I think it should be okay to merge them into mainline. > There are many perf's improvement depend on it. However, Peter > is not responsive after I fixed some problems he pointed out. > > Introduces 'write_backward' into perf_event_attr, allows kernel > writing the ring buffer from the end of it. This feature allows > extracting data from overwritable ring buffer. > > Wang Nan (5): > perf core: Introduce new ioctl options to pause and resume ring buffer > perf core: Set event's default overflow_handler > perf core: Prepare writing into ring buffer from end > perf core: Add backward attribute to perf event > perf core: Reduce perf event output overhead by new overflow handler
perf kernel features are currently on hold until I can manage to run a fuzzer for more than a few minutes without my machine having a seizure.
