Re: UI messages in event thread hangs perf top

2018-10-29 Thread Arnaldo Carvalho de Melo
Em Sat, Oct 27, 2018 at 08:58:30PM -0700, David Miller escreveu: > > If I run perf top with a "make -j128" kernel build, I get ring buffer event > processing timeouts which results in: > > ui__warning("Too slow to read ring buffer.\n" > "Please try increasi

UI messages in event thread hangs perf top

2018-10-27 Thread David Miller
If I run perf top with a "make -j128" kernel build, I get ring buffer event processing timeouts which results in: ui__warning("Too slow to read ring buffer.\n" "Please try increasing the period (-c) or\n" "decreasing the fre