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-rw-r--r--tools/perf/Makefile.perf2
1 files changed, 2 insertions, 0 deletions
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.
+#
# As per kernel Makefile, avoid funny character set dependencies
unexport LC_ALL