On Tue, Jan 22, 2019 at 08:45:12PM +0300, Alexey Budankov wrote: SNIP
> The patch set has been validated on BT benchmark from NAS Parallel > Benchmarks [2] running on dual socket, 44 cores, 88 hw threads Broadwell > system with kernels v4.4-21-generic (Ubuntu 16.04) and v4.20.0-rc5 > (tip perf/core). > > The patch set is for Arnaldo's perf/core repository. > > OVERHEAD: > BENCH REPORT BASED ELAPSED TIME BASED > v4.20.0-rc5 > (tip perf/core): > > (current) SERIAL-SYS / BASE : 1.27x (14.37/11.31), 1.29x (15.19/11.69) > SERIAL-NODE / BASE : 1.15x (13.04/11.31), 1.17x (13.79/11.69) > SERIAL-CPU / BASE : 1.00x (11.32/11.31), 1.01x (11.89/11.69) > > AIO1-SYS / BASE : 1.29x (14.58/11.31), 1.29x (15.26/11.69) > AIO1-NODE / BASE : 1.08x (12.23/11.31), 1,11x (13.01/11.69) > AIO1-CPU / BASE : 1.07x (12.14/11.31), 1.08x (12.83/11.69) > > v4.4.0-21-generic > (Ubuntu 16.04 LTS): > > (current) SERIAL-SYS / BASE : 1.26x (13.73/10.87), 1.29x (14.69/11.32) > SERIAL-NODE / BASE : 1.19x (13.02/10.87), 1.23x (14.03/11.32) > SERIAL-CPU / BASE : 1.03x (11.21/10.87), 1.07x (12.18/11.32) > > AIO1-SYS / BASE : 1.26x (13.73/10.87), 1.29x (14.69/11.32) > AIO1-NODE / BASE : 1.10x (12.04/10.87), 1.15x (13.03/11.32) > AIO1-CPU / BASE : 1.12x (12.20/10.87), 1.15x (13.09/11.32) > > --- > Alexey Budankov (4): > perf record: allocate affinity masks > perf record: bind the AIO user space buffers to nodes > perf record: apply affinity masks when reading mmap buffers > perf record: implement --affinity=node|cpu option > > tools/perf/Documentation/perf-record.txt | 5 ++ > tools/perf/builtin-record.c | 45 +++++++++- > tools/perf/perf.h | 8 ++ > tools/perf/util/cpumap.c | 10 +++ > tools/perf/util/cpumap.h | 1 + > tools/perf/util/evlist.c | 6 +- > tools/perf/util/evlist.h | 2 +- > tools/perf/util/mmap.c | 105 ++++++++++++++++++++++- > tools/perf/util/mmap.h | 3 +- > 9 files changed, 175 insertions(+), 10 deletions(-) > > --- > Changes in v5: > - avoided multiple allocations of online cpu maps by > implementing it once in cpu_map__online() > - reduced indentation at record__parse_affinity() Reviewed-by: Jiri Olsa <jo...@kernel.org> thanks, jirka
