> diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf > index a099a8a89447..8f1ba986d3bf 100644 > --- a/tools/perf/Makefile.perf > +++ b/tools/perf/Makefile.perf > @@ -114,6 +114,8 @@ include ../scripts/utilities.mak > # Define NO_LIBZSTD if you do not want support of Zstandard based runtime > # trace compression in record mode. > # > +# Define TCMALLOC to enable tcmalloc heap profiling.
It might be useful for more than just profiling. I found that gcc runs a few percent faster with tcmalloc for some workloads. Maybe the same is true for perf too, as sometimes it does a lot of mallocs. -Andi
