On Tue, Oct 15, 2019 at 01:33:46PM +0800, Jin Yao wrote: SNIP
> diff --git a/tools/perf/util/Build b/tools/perf/util/Build > index 39814b1806a6..3121c0055950 100644 > --- a/tools/perf/util/Build > +++ b/tools/perf/util/Build > @@ -1,4 +1,5 @@ > perf-y += annotate.o > +perf-y += block.o > perf-y += block-range.o > perf-y += build-id.o > perf-y += cacheline.o > diff --git a/tools/perf/util/block.c b/tools/perf/util/block.c > new file mode 100644 > index 000000000000..e5e6f941f040 > --- /dev/null > +++ b/tools/perf/util/block.c please use block_info.c, block.c is misleading wrt what we are doing here.. jirka