From 8b95d59332bb8d9c2a0272197b15f4b9753945cf Mon Sep 17 00:00:00 2001
From: George Danchev <danchev@spnet.net>
Date: Sat, 9 Jul 2011 10:17:29 +0000
Subject: [PATCH] re-run print size test several times to minimize possible
 disk cache impact

---
 releng/releng_printsize | 24 +++++++++++++++++-------
 1 file changed, 17 insertions(+), 7 deletions(-)

diff --git a/releng/releng_printsize b/releng/releng_printsize
index 16ed2b8b..6011d360 100755
--- a/releng/releng_printsize
+++ b/releng/releng_printsize
@@ -41,20 +41,30 @@ do
 done
 printf "done.\n"
 
-# Disk cache might play dirty games, so re-run these several times?
+printf "\n${SELF}: Performing several print size runs to neutralize possible disk cache impact.\n"
+
+#
 if [ -x ${RELENG_XORRISO} ]; then
-  printf "\n${SELF}: Running ${RELENG_XORRISO} -as mkisofs -quiet -print-size ${GEN_DATA_DIR}\n"
-  time ${RELENG_XORRISO} -as mkisofs -quiet -print-size ${GEN_DATA_DIR}
+  for run in 1 2 3; do
+      printf "\n${SELF}: Running ${RELENG_XORRISO} -as mkisofs -quiet -print-size ${GEN_DATA_DIR}. Trial: ${run}.\n"
+      time ${RELENG_XORRISO} -as mkisofs -quiet -print-size ${GEN_DATA_DIR}
+  done
 fi
 
+#
 if [ -x ${RELENG_GENISOIMAGE} ]; then
-  printf "\n${SELF}: Running ${RELENG_GENISOIMAGE} -quiet -print-size ${GEN_DATA_DIR}\n"
-  time ${RELENG_GENISOIMAGE}         -quiet -print-size ${GEN_DATA_DIR}
+  for run in 1 2 3; do
+      printf "\n${SELF}: Running ${RELENG_GENISOIMAGE} -quiet -print-size ${GEN_DATA_DIR}. Trial: ${run}.\n"
+      time ${RELENG_GENISOIMAGE}         -quiet -print-size ${GEN_DATA_DIR}
+  done
 fi
 
+#
 if [ -x ${RELENG_MKISOFS} ]; then
-  printf "\n${SELF}: Running ${RELENG_MKISOFS} -quiet -print-size ${GEN_DATA_DIR}\n"
-  time ${RELENG_MKISOFS}             -quiet -print-size ${GEN_DATA_DIR}
+  for run in 1 2 3; do
+      printf "\n${SELF}: Running ${RELENG_MKISOFS} -quiet -print-size ${GEN_DATA_DIR}. Trial: ${run}.\n"
+      time ${RELENG_MKISOFS}             -quiet -print-size ${GEN_DATA_DIR}
+  done
 fi
 
 #