From 0abee610f04b91a326fa9dbbb2d596b67221fd06 Mon Sep 17 00:00:00 2001
From: Maciej Wawryk <maciejx.wawryk@intel.com>
Date: Tue, 16 Jul 2019 08:09:14 +0200
Subject: [PATCH] test/setup: check open files limit

Signed-off-by: Maciej Wawryk <maciejx.wawryk@intel.com>
Change-Id: I0826c93934025a5ec7126f0f6223d42177054f06
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/462010
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
---
 scripts/setup.sh | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/scripts/setup.sh b/scripts/setup.sh
index 59e6853a7..139309d46 100755
--- a/scripts/setup.sh
+++ b/scripts/setup.sh
@@ -365,6 +365,21 @@ function configure_linux {
 		exit 1
 	fi
 
+	CURENT_SOFT_ULIMIT=$(ulimit -n)
+	if [ "$CURENT_SOFT_ULIMIT" != "unlimited" ]; then
+		echo ""
+		echo "WARNING: soft ulimit for max open files is set to $CURENT_SOFT_ULIMIT."
+		echo "SPDK won't be able to use more than $CURENT_SOFT_ULIMIT hugepages if run as current user."
+		echo ""
+	fi
+	CURENT_HARD_ULIMIT=$(ulimit -Hn)
+	if [ "$CURENT_HARD_ULIMIT" != "unlimited" ]; then
+		echo ""
+		echo "WARNING: hard ulimit for max open files is set to $CURENT_HARD_ULIMIT."
+		echo "SPDK won't be able to use more than $CURENT_HARD_ULIMIT hugepages even if run as root."
+		echo ""
+	fi
+
 	if [ "$driver_name" = "vfio-pci" ]; then
 		if [ -n "$TARGET_USER" ]; then
 			for mount in $hugetlbfs_mounts; do