From: Arvin Schnell <aschnell@suse.de>
Date: Fri, 4 Mar 2011 14:49:27 +0000 (+0100)
Subject: - be "nice" during background tasks
X-Git-Tag: v0.1.3~431
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=ad882b09f27f084c10ffe7f6d182a3ac9f0e5f8f;p=thirdparty%2Fsnapper.git

- be "nice" during background tasks
---

diff --git a/scripts/snapper-daily b/scripts/snapper-daily
index 4a78a130..197380a0 100755
--- a/scripts/snapper-daily
+++ b/scripts/snapper-daily
@@ -16,6 +16,13 @@ if [ -f /etc/sysconfig/snapper ] ; then
 fi
 
 
+#
+# be nice
+#
+/usr/bin/renice -n 19 -p $$
+/usr/bin/ionice -c 3 -p $$
+
+
 #
 # run snapper for all configs
 #
diff --git a/scripts/snapper-hourly b/scripts/snapper-hourly
index 8f2d41fc..3a8ef73c 100755
--- a/scripts/snapper-hourly
+++ b/scripts/snapper-hourly
@@ -16,6 +16,13 @@ if [ -f /etc/sysconfig/snapper ] ; then
 fi
 
 
+#
+# be nice
+#
+/usr/bin/renice -n 19 -p $$
+/usr/bin/ionice -c 3 -p $$
+
+
 #
 # run snapper for all configs
 #
diff --git a/snapper.spec.in b/snapper.spec.in
index 927707cd..8e66d1b3 100644
--- a/snapper.spec.in
+++ b/snapper.spec.in
@@ -57,7 +57,7 @@ rm -rf "$RPM_BUILD_ROOT"
 %package -n libsnapper
 Summary:	Library for filesystem snapshot management
 Group:		System/Libraries
-Requires:	btrfsprogs diffutils
+Requires:	btrfsprogs diffutils util-linux
 PreReq:		%fillup_prereq
 
 %description -n libsnapper
diff --git a/snapper/Snapper.cc b/snapper/Snapper.cc
index 7de9f0cb..308e95ba 100644
--- a/snapper/Snapper.cc
+++ b/snapper/Snapper.cc
@@ -150,7 +150,8 @@ namespace snapper
 	string output = snapshot2->baseDir() + "/filelist-" + decString(snapshot1->getNum()) +
 	    ".txt";
 
-	SystemCmd(COMPAREDIRSBIN " " + quote(dir1) + " " + quote(dir2) + " " + quote(output));
+	SystemCmd(NICEBIN " -n 19 " IONICEBIN " -c 3 " COMPAREDIRSBIN " " + quote(dir1) + " " +
+		  quote(dir2) + " " + quote(output));
     }
 
 
diff --git a/snapper/SnapperDefines.h b/snapper/SnapperDefines.h
index ca384762..da81b465 100644
--- a/snapper/SnapperDefines.h
+++ b/snapper/SnapperDefines.h
@@ -33,6 +33,9 @@
 
 #define COMPAREDIRSBIN "/usr/lib/snapper/bin/compare-dirs"
 
+#define NICEBIN "/usr/bin/nice"
+#define IONICEBIN "/usr/bin/ionice"
+
 #define CPBIN "/bin/cp"
 
 #define DIFFBIN "/usr/bin/diff"