perf tools: Add optional support for libpfm4

[sfrench/cifs-2.6.git] / tools / perf / Makefile.perf

diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf
index e3a34af3813010a3ae018e8f1d843c6da780b0dd..86dbb51bb27230e499f232e98f1834b5067ed756 100644 (file)
--- a/tools/perf/Makefile.perf
+++ b/tools/perf/Makefile.perf
@@ -121,6 +121,9 @@ include ../scripts/utilities.mak
 # Define NO_SYSCALL_TABLE=1 to disable the use of syscall id to/from name tables
 # generated from the kernel .tbl or unistd.h files and use, if available, libaudit
 # for doing the conversions to/from strings/id.
+#
+# Define LIBPFM4 to enable libpfm4 events extension.
+#
 
 # As per kernel Makefile, avoid funny character set dependencies
 unexport LC_ALL