Abhinav's work on case-mincore

Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>

1 files changed, 32 insertions, 0 deletions

diff --git a/case-mincore b/case-mincore
new file mode 100644
index 0000000..ca0edb3
--- /dev/null
+++ b/case-mincore
@@ -0,0 +1,32 @@
+#!/bin/bash
+
+#
+# Exercises code in mincore.c mm/
+#
+source ./hw_vars
+
+#check for max shared memory allowed on system
+MAX_SHARE_SEGMENT=$(</proc/sys/kernel/shmmax)
+
+#segment size being requested
+SHM_SIZE=$((mem / nr_cpu))
+#echo "shared segment size being requested $SHM_SIZE"
+
+#echo "Max shared segment allocatable is set to $MAX_SHARE_SEGMENT"
+
+#check to see if the request can be satisfied else exit with error
+if [ $MAX_SHARE_SEGMENT -lt $SHM_SIZE ]
+then
+        echo "Cannot allocate more shared memory segment than $MAX_SHARE_SEGMENT"
+        echo "exiting now..."
+        exit 1 #exit on failure
+fi
+
+for i in `seq nr_cpu`
+do
+	create_sparse_file $SPARSE_FILE-$i $SHM_SIZE
+	$USEMEM -t $nr_cpu -f $SPARSE_FILE -N --prealloc --readonly --random $SHM_SIZE &
+done
+wait
+
+rm $SPARSE_FILE-*