On 28.02.2019 21:44, Arnaldo Carvalho de Melo wrote: > Em Thu, Feb 28, 2019 at 12:00:41PM +0300, Alexey Budankov escreveu: >> >> Implemented -f,--mmap-flush option that specifies threshold to postpone >> and/or trigger the move of data from mmaped kernel buffers to a storage. >> The option can be used to avoid capturing every single byte of data into >> the stored trace. The default option value is 1. > > Can you add something here explain more clearly what this means, and > also on the tools/perf/Documentation/perf-record.txt file? Something > like a paragraph explaining when is that there is a mmap flush normally, > or rephrase what you wrote if you think you said that.
Will try to rephrase and may be provide some description of cases that this option can specifically address. Thanks, Alexey > > - Arnaldo > > <SNIP>
