images: use `nproc` for number of make jobs in guest

images/scripts/install-mtcp.sh

@@ -10,7 +10,7 @@ wget https://ftp.gnu.org/gnu/automake/automake-1.16.2.tar.gz
 tar xf automake-1.16.2.tar.gz
 cd automake-1.16.2
 ./configure
-make -j4 install
+make -j`nproc` install
 
 cd /tmp
 git clone https://github.com/mtcp-stack/mtcp.git /root/mtcp
@@ -34,15 +34,15 @@ rm -rf dpdk/.git
 #    -e 's/CONFIG_RTE_LIBRTE_I40E_DEBUG_TX_FREE=n/CONFIG_RTE_LIBRTE_I40E_DEBUG_TX_FREE=y/' \
 #    -e 's/CONFIG_RTE_LOG_LEVEL=RTE_LOG_INFO/CONFIG_RTE_LOG_LEVEL=RTE_LOG_DEBUG/' \
 #    dpdk/config/common_base
-make -j4 -C dpdk install T=$RTE_TARGET
+make -j`nproc` -C dpdk install T=$RTE_TARGET
 
 ./configure --with-dpdk-lib=$RTE_SDK/$RTE_TARGET CFLAGS="-DMAX_CPUS=8"
 
 #sed -i -e 's://#define DEBUG:#define DEBUG:' \
 #    -e 's/RTE_LOG_EMERG/RTE_LOG_DEBUG/g' \
 #    dpdk-iface-kmod/dpdk_iface_main.c
-(cd dpdk-iface-kmod && make -j4)
-make -j4
+(cd dpdk-iface-kmod && make -j`nproc`)
+make -j`nproc`
 
 
 ls -l $MTCPDIR/apps
@@ -59,17 +59,17 @@ touch aclocal.m4 Makefile.in
 ./configure --without-bzip2 CFLAGS="-O3" \
     --with-libmtcp="$MTCPDIR/mtcp/" \
     --with-libdpdk="$RTE_SDK/$RTE_TARGET"
-make -j4
+make -j`nproc`
 
 cd $MTCPDIR/apps/lighttpd-mtlinux
 touch aclocal.m4 Makefile.in
 ./configure --without-bzip2 CFLAGS="-O3" --enable-multithreading
-make -j4
+make -j`nproc`
 
 cd $MTCPDIR/apps/lighttpd-mtlinux-rop
 touch aclocal.m4 Makefile.in
 ./configure --without-bzip2 CFLAGS="-O3 -DREUSEPORT" --enable-multithreading
-make -j4
+make -j`nproc`
 
 
 cd $MTCPDIR
@@ -80,12 +80,12 @@ cp -r apps/apache_benchmark apps/ab-linux
 cd $MTCPDIR/apps/ab-mtcp
 ./configure --with-libmtcp="$MTCPDIR/mtcp/" \
     --with-libdpdk="$RTE_SDK/$RTE_TARGET"
-make -j4
+make -j`nproc`
 
 # build linux version of ab
 cd $MTCPDIR/apps/ab-linux
 ./configure
-make -j4
+make -j`nproc`
 
 
 # build tas microbenchmarks

images/scripts/install-nopaxos.sh

@@ -18,13 +18,13 @@ git clone https://github.com/google/protobuf.git /tmp/protobuf
 cd /tmp/protobuf
 ./autogen.sh
 ./configure
-make -j4
+make -j`nproc`
 make install
 ldconfig
 
 mkdir -p /root
 git clone https://github.com/nicklijl/simbricks-nopaxos.git /root/nopaxos
 cd /root/nopaxos
-make -j4
+make -j`nproc`
 
  mv /tmp/input/nopaxos.config /root/nopaxos.config

images/scripts/install-tas.sh

@@ -7,16 +7,16 @@ cd /root/
 wget http://fast.dpdk.org/rel/dpdk-18.11.8.tar.gz
 tar xf dpdk-18.11.8.tar.gz
 cd dpdk-stable-18.11.8
-make -j4 install T=x86_64-native-linuxapp-gcc DESTDIR=/root/dpdk
+make -j`nproc` install T=x86_64-native-linuxapp-gcc DESTDIR=/root/dpdk
 cd ..
 rm -rf dpdk-*
 
 git clone https://github.com/tcp-acceleration-service/tas.git /root/tas
 cd /root/tas
-make -j4 RTE_SDK=/root/dpdk
+make -j`nproc` RTE_SDK=/root/dpdk
 
 git clone https://github.com/FreakyPenguin/benchmarks.git /root/tasbench
 cd /root/tasbench/micro_rpc
-make echoserver_linux testclient_linux TAS_CODE="/root/tas" 
+make echoserver_linux testclient_linux TAS_CODE="/root/tas"
 
 echo "blacklist i40e" > /etc/modprobe.d/i40e_bl.conf