+				"WARNING: proportionality check failed "
+		printf("  WARNING: only %d samples - tail percentiles may be unreliable\n",
CHECK: extern prototypes should be avoided in .h files
WARNING: Use of volatile is usually wrong: see Documentation/process/volatile-considered-harmful.rst
WARNING: line length of 81 exceeds 80 columns
WARNING: line length of 83 exceeds 80 columns
WARNING: line length of 84 exceeds 80 columns
WARNING: line length of 85 exceeds 80 columns
WARNING: line length of 89 exceeds 80 columns
WARNING: line length of 90 exceeds 80 columns
WARNING: line length of 91 exceeds 80 columns
WARNING: line length of 92 exceeds 80 columns
WARNING: line length of 93 exceeds 80 columns
WARNING: quoted string split across lines