Re: [PATCH v14 3/3]: perf record: extend trace writing to multi AIO

Hi, On 01.11.2018 21:30, Song Liu wrote: > On Sun, Oct 14, 2018 at 11:47 PM Alexey Budankov > wrote: >> >> >> >> static int nr_cblocks_default = 1; >> >> static int record__aio_parse(const struct option *opt, >> -const char *str __maybe_unused, >> +

Re: [PATCH v14 3/3]: perf record: extend trace writing to multi AIO

On Sun, Oct 14, 2018 at 11:47 PM Alexey Budankov wrote: > > > Multi AIO trace writing allows caching more kernel data into userspace > memory postponing trace writing for the sake of overall profiling data > thruput increase. It could be seen as kernel data buffer extension into > userspace memory