On 15.02.2017 11:13, Peter Zijlstra wrote: > On Wed, Feb 15, 2017 at 11:09:14AM +0200, Nikolay Borisov wrote: >> Hello, >> >> I'd like to ask for the patch in the subject to be included in stable >> kernels. Without it if one wants to see only the blocked stats this >> becomes impossible since the information dumped by sched_debug is so >> much that it overflows the kmsg buffer and information about blocked >> stats is overwritten. This is especially a problem in distro kernels >> which are based on 4.4 and have enabled CONFIG_SCHED_DEBUG - e.g. ubuntu. > > Who cares about the kmsg buffer? Also, just make it bigger or disable > SCHED_DEBUG, as the name implies it _is_ a debug feature after all. but what if you want to use your distro's kernel and deal with custom recompiles. The kernel ought to come with sensible defaults. >