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-rw-r--r--src/vlib/threads.c71
-rw-r--r--src/vlib/threads.h5
-rw-r--r--src/vppinfra/unix-misc.c31
-rw-r--r--src/vppinfra/unix.h3
-rwxr-xr-xtest/scripts/core_pinning.sh328
5 files changed, 431 insertions, 7 deletions
diff --git a/src/vlib/threads.c b/src/vlib/threads.c
index 713e1927d1f..3994afc2cea 100644
--- a/src/vlib/threads.c
+++ b/src/vlib/threads.c
@@ -179,7 +179,9 @@ vlib_thread_init (vlib_main_t * vm)
u32 n_vlib_mains = 1;
u32 first_index = 1;
u32 i;
- uword *avail_cpu;
+ pid_t pid;
+ uword *avail_cpu, *affinity_cpu;
+ uword n_cpus;
u32 stats_num_worker_threads_dir_index;
stats_num_worker_threads_dir_index =
@@ -190,16 +192,39 @@ vlib_thread_init (vlib_main_t * vm)
tm->cpu_core_bitmap = os_get_online_cpu_core_bitmap ();
tm->cpu_socket_bitmap = os_get_online_cpu_node_bitmap ();
+ /* get bitmap of active cpu cores vpp has affinity to */
+ pid = getpid ();
+ tm->cpu_affinity_bitmap = os_get_cpu_affinity_bitmap (pid);
+
+ /* if fetching affinity fails, return online cpu core bmp */
+ if (tm->cpu_affinity_bitmap == 0)
+ tm->cpu_affinity_bitmap = os_get_online_cpu_core_bitmap ();
+
avail_cpu = clib_bitmap_dup (tm->cpu_core_bitmap);
+ affinity_cpu = clib_bitmap_dup (tm->cpu_affinity_bitmap);
/* skip cores */
+ n_cpus = clib_bitmap_count_set_bits (avail_cpu);
+ if (tm->skip_cores >= n_cpus)
+ return clib_error_return (0, "skip-core greater than available cpus");
+ n_cpus = clib_bitmap_count_set_bits (affinity_cpu);
+ if (tm->skip_cores >= n_cpus)
+ return clib_error_return (0, "skip-core greater than affinity cpus");
+
for (i = 0; i < tm->skip_cores; i++)
{
- uword c = clib_bitmap_first_set (avail_cpu);
+ uword c;
+ c = clib_bitmap_first_set (avail_cpu);
if (c == ~0)
return clib_error_return (0, "no available cpus to skip");
avail_cpu = clib_bitmap_set (avail_cpu, c, 0);
+
+ c = clib_bitmap_first_set (affinity_cpu);
+ if (c == ~0)
+ return clib_error_return (0, "no available env cpus to skip");
+
+ affinity_cpu = clib_bitmap_set (affinity_cpu, c, 0);
}
/* grab cpu for main thread */
@@ -209,6 +234,17 @@ vlib_thread_init (vlib_main_t * vm)
return clib_error_return (0, "cpu %u is not available to be used"
" for the main thread", tm->main_lcore);
avail_cpu = clib_bitmap_set (avail_cpu, tm->main_lcore, 0);
+ affinity_cpu = clib_bitmap_set (affinity_cpu, tm->main_lcore, 0);
+ }
+ /* if auto enabled, grab first cpu vpp has affinity to for main thread */
+ else if (tm->use_main_core_auto)
+ {
+ uword c = clib_bitmap_first_set (affinity_cpu);
+ if (c != ~0)
+ tm->main_lcore = c;
+
+ avail_cpu = clib_bitmap_set (avail_cpu, tm->main_lcore, 0);
+ affinity_cpu = clib_bitmap_set (affinity_cpu, tm->main_lcore, 0);
}
/* assume that there is socket 0 only if there is no data from sysfs */
@@ -289,13 +325,23 @@ vlib_thread_init (vlib_main_t * vm)
}
else
{
+ /* for automatic pinning, use cpu affinity list */
+ uword n_env_cpu = 0;
+ n_env_cpu = clib_bitmap_count_set_bits (affinity_cpu);
+
+ if (n_env_cpu < tr->count)
+ return clib_error_return (0,
+ "no available cpus to be used for"
+ " the '%s' thread #%u",
+ tr->name, n_env_cpu);
+
for (j = 0; j < tr->count; j++)
{
/* Do not use CPU 0 by default - leave it to the host and IRQs */
- uword avail_c0 = clib_bitmap_get (avail_cpu, 0);
- avail_cpu = clib_bitmap_set (avail_cpu, 0, 0);
+ uword avail_c0 = clib_bitmap_get (affinity_cpu, 0);
+ affinity_cpu = clib_bitmap_set (affinity_cpu, 0, 0);
- uword c = clib_bitmap_first_set (avail_cpu);
+ uword c = clib_bitmap_first_set (affinity_cpu);
/* Use CPU 0 as a last resort */
if (c == ~0 && avail_c0)
{
@@ -309,14 +355,15 @@ vlib_thread_init (vlib_main_t * vm)
" the '%s' thread #%u",
tr->name, tr->count);
- avail_cpu = clib_bitmap_set (avail_cpu, 0, avail_c0);
- avail_cpu = clib_bitmap_set (avail_cpu, c, 0);
+ affinity_cpu = clib_bitmap_set (affinity_cpu, 0, avail_c0);
+ affinity_cpu = clib_bitmap_set (affinity_cpu, c, 0);
tr->coremask = clib_bitmap_set (tr->coremask, c, 1);
}
}
}
clib_bitmap_free (avail_cpu);
+ clib_bitmap_free (affinity_cpu);
tm->n_vlib_mains = n_vlib_mains;
vlib_stats_set_gauge (stats_num_worker_threads_dir_index, n_vlib_mains - 1);
@@ -1118,6 +1165,7 @@ cpu_config (vlib_main_t * vm, unformat_input_t * input)
tm->sched_policy = ~0;
tm->sched_priority = ~0;
tm->main_lcore = ~0;
+ tm->use_main_core_auto = 0;
tr = tm->next;
@@ -1133,6 +1181,8 @@ cpu_config (vlib_main_t * vm, unformat_input_t * input)
tm->use_pthreads = 1;
else if (unformat (input, "thread-prefix %v", &tm->thread_prefix))
;
+ else if (unformat (input, "main-core auto"))
+ tm->use_main_core_auto = 1;
else if (unformat (input, "main-core %u", &tm->main_lcore))
;
else if (unformat (input, "skip-cores %u", &tm->skip_cores))
@@ -1191,6 +1241,13 @@ cpu_config (vlib_main_t * vm, unformat_input_t * input)
break;
}
+ if (tm->main_lcore != ~0 && tm->use_main_core_auto)
+ {
+ return clib_error_return (
+ 0, "cannot set both 'main-core %u' and 'main-core auto'",
+ tm->main_lcore);
+ }
+
if (tm->sched_priority != ~0)
{
if (tm->sched_policy == SCHED_FIFO || tm->sched_policy == SCHED_RR)
diff --git a/src/vlib/threads.h b/src/vlib/threads.h
index ac0c1d5d266..3072d0e67dd 100644
--- a/src/vlib/threads.h
+++ b/src/vlib/threads.h
@@ -255,6 +255,8 @@ typedef struct
int use_pthreads;
+ int use_main_core_auto;
+
/* Number of vlib_main / vnet_main clones */
u32 n_vlib_mains;
@@ -282,6 +284,9 @@ typedef struct
/* Bitmap of available CPU sockets (NUMA nodes) */
uword *cpu_socket_bitmap;
+ /* Bitmap of CPU affinity for VPP process */
+ uword *cpu_affinity_bitmap;
+
/* Worker handoff queues */
vlib_frame_queue_main_t *frame_queue_mains;
diff --git a/src/vppinfra/unix-misc.c b/src/vppinfra/unix-misc.c
index e0591ff4604..4dbc5ce98ce 100644
--- a/src/vppinfra/unix-misc.c
+++ b/src/vppinfra/unix-misc.c
@@ -46,6 +46,7 @@
#include <sys/stat.h>
#include <sys/types.h>
+#include <sys/syscall.h>
#include <sys/uio.h> /* writev */
#include <fcntl.h>
#include <stdio.h> /* for sprintf */
@@ -275,6 +276,36 @@ os_get_online_cpu_core_bitmap ()
}
__clib_export clib_bitmap_t *
+os_get_cpu_affinity_bitmap (int pid)
+{
+#if __linux
+ int index, ret;
+ cpu_set_t cpuset;
+ uword *affinity_cpus;
+
+ clib_bitmap_alloc (affinity_cpus, sizeof (cpu_set_t));
+ clib_bitmap_zero (affinity_cpus);
+
+ __CPU_ZERO_S (sizeof (cpu_set_t), &cpuset);
+
+ ret = syscall (SYS_sched_getaffinity, 0, sizeof (cpu_set_t), &cpuset);
+
+ if (ret < 0)
+ {
+ clib_bitmap_free (affinity_cpus);
+ return 0;
+ }
+
+ for (index = 0; index < sizeof (cpu_set_t); index++)
+ if (__CPU_ISSET_S (index, sizeof (cpu_set_t), &cpuset))
+ clib_bitmap_set (affinity_cpus, index, 1);
+ return affinity_cpus;
+#else
+ return 0;
+#endif
+}
+
+__clib_export clib_bitmap_t *
os_get_online_cpu_node_bitmap ()
{
#if __linux__
diff --git a/src/vppinfra/unix.h b/src/vppinfra/unix.h
index 651f9bb99e0..3ad57b05e72 100644
--- a/src/vppinfra/unix.h
+++ b/src/vppinfra/unix.h
@@ -56,6 +56,9 @@ clib_error_t *unix_proc_file_contents (char *file, u8 ** result);
/* Retrieve bitmap of online cpu cures */
clib_bitmap_t *os_get_online_cpu_core_bitmap ();
+/* Retrieve bitmap of cpus vpp has affinity to */
+clib_bitmap_t *os_get_cpu_affinity_bitmap (int pid);
+
/* Retrieve bitmap of online cpu nodes (sockets) */
clib_bitmap_t *os_get_online_cpu_node_bitmap ();
diff --git a/test/scripts/core_pinning.sh b/test/scripts/core_pinning.sh
new file mode 100755
index 00000000000..941d53871e5
--- /dev/null
+++ b/test/scripts/core_pinning.sh
@@ -0,0 +1,328 @@
+#!/bin/bash
+#
+# core_pinning_auto.sh -- script to test vpp (debug-build) core-pinning
+# -- in bare-metal, containers (docker, lxc)
+#
+DOCKER_CONTAINER_NAME="vpp_core_pinning"
+VPP_SOCK_PATH=/run/vpp
+CONTAINER_CPU_RANGE="4-7"
+TEST_SUCCESS=0
+TEST_FAIL=0
+if [ ! $WS_ROOT ]
+then
+ if [ ! -d "../../../vpp" ]; then
+ echo "VPP workspace path invalid"
+ echo "Please execute script from vpp/test/scripts folder.."
+ exit 1
+ fi
+ WS_ROOT="$(dirname $(readlink -e "../../../vpp"))/$(basename "../../../vpp")"
+fi
+# Get available CPU count on host machine
+host_cpulist=$(cat /sys/devices/system/cpu/online)
+startcpu="${host_cpulist%-*}"
+endcpu="${host_cpulist#*\-}"
+cpucount="$(($endcpu - $startcpu + 1))"
+if [ $cpucount -lt 8 ]
+then
+ echo "Current host machine has $cpucount CPUs"
+ echo "A minimum of 8 CPUs is required to run testcases, exiting.."
+ exit 1
+fi
+# Check that container 'vpp_core_pinning' does not already exist
+count=$(docker ps -a | grep -c "$DOCKER_CONTAINER_NAME")
+if [ $count -ne 0 ]
+then
+ echo "Error: docker container $DOCKER_CONTAINER_NAME already exists"
+ echo "Remove it using 'docker stop/docker rm', then re-run test"
+ exit 1
+fi
+# Check that there is no vpp instance currently running on the machine
+count=$(pgrep vpp | wc -l)
+if [ $count -ne 0 ]
+then
+ echo "Error: a vpp instance is currently running on this machine"
+ echo "Please stop the running instance, then re-run test"
+ exit 1
+fi
+mkdir -p $VPP_SOCK_PATH
+
+# Function to parse main core
+parse_maincore () {
+ main_core_args=$1
+ main_core_parsed=$main_core_args
+ if [ $main_core_args = "auto" ];
+ then
+ main_core_parsed="0"
+ if [ -n "$SKIP_CORE" ]
+ then
+ main_core_parsed=$(($main_core_parsed + $SKIP_CORE))
+ fi
+ if [ -n "$CONTAINER_RESTRAIN_CPUSET" ]
+ then
+ main_core_parsed=(${container_cpus[ $main_core_parsed ]})
+ fi
+ fi
+ echo $main_core_parsed
+}
+
+# Function to parse n workers range to an array
+# e.g. "4" is parsed to ('0','1','2','3')
+parse_workers_n () {
+ workers_n_args=$1
+ workers_n_parsed=()
+ main_core_increment="0"
+ skip_core_increment="0"
+ if [ -n "$SKIP_CORE" ]
+ then
+ skip_core_increment=$(($SKIP_CORE))
+ fi
+
+ for ((i=0;i<$workers_n_args;i++)); do
+
+ if [ -n "$CONTAINER_RESTRAIN_CPUSET" ]
+ then
+ if [ $(( ${container_cpus[ $(($i + $skip_core_increment)) ]})) -eq $(("$parsed_main_core")) ]
+ then
+ main_core_increment=$(($main_core_increment + 1))
+ fi
+ workers_n_parsed+=" ${container_cpus[ $(($i + $main_core_increment + $skip_core_increment)) ]}"
+ else
+ if [ $(( $skip_core_increment + $i)) -eq $(("$parsed_main_core")) ]
+ then
+ main_core_increment=$(($main_core_increment + 1))
+ fi
+ workers_n_parsed+=" $(($i + $main_core_increment + $skip_core_increment))"
+ fi
+ done
+ echo $workers_n_parsed
+}
+
+# Function to parse corelist range to an array
+# e.g. "0,3-5,7" is parsed to ('0','3','4','5','7')
+parse_corelist () {
+ corelist_args=$1
+ corelist_args=$(echo $corelist_args | grep -Po '[0-9]+-[0-9]+|[0-9]+')
+ corelist_parsed=()
+ for corelist_elt in ${corelist_args[@]};do
+ if [ $(echo $corelist_elt | grep -Po '[0-9]+-[0-9]+') ]
+ then
+ startcpu="${corelist_elt%-*}"
+ endcpu="${corelist_elt#*\-}"
+ cpucount="$(($endcpu - $startcpu))"
+ for ((i=0;i<=$cpucount;i++)); do
+ corelist_parsed+=" $(($i+$startcpu))"
+ done
+ elif [ $(echo $corelist_elt | grep -Po '[0-9]+') ]
+ then
+ corelist_parsed+=" ${corelist_elt}"
+ fi
+ done
+ echo $corelist_parsed
+}
+# Test VPP core pinning configuration
+test_pinning_conf () {
+ VPP_CPU_EXTRA_OPTIONS=""
+ if [ -n "$CORELIST_WORKERS" ];
+ then
+ VPP_CPU_EXTRA_OPTIONS=" corelist-workers ${CORELIST_WORKERS}"
+ fi
+ if [ -n "$WORKERS_AUTO" ];
+ then
+ VPP_CPU_EXTRA_OPTIONS=" workers ${WORKERS_AUTO}"
+ fi
+ if [ -n "$SKIP_CORE" ];
+ then
+ VPP_CPU_EXTRA_OPTIONS="${VPP_CPU_EXTRA_OPTIONS} skip-cores ${SKIP_CORE}"
+ fi
+ echo "TEST - conf 'cpu {main-core ${MAIN_CORE} ${VPP_CPU_EXTRA_OPTIONS}}'"
+ if [ -z "$CONTAINER_RESTRAIN_CPUSET" ];
+ then
+ VPP_CONTAINER_CPUSET=""
+ echo "(Running vpp in container with full host cpuset $host_cpulist)"
+ else
+ VPP_CONTAINER_CPUSET="--cpuset-cpus $CONTAINER_CPU_RANGE"
+ echo "(Running vpp in container with limited cpuset $CONTAINER_CPU_RANGE)"
+ fi
+ (docker run -d ${VPP_CONTAINER_CPUSET} --name="$DOCKER_CONTAINER_NAME" \
+ -e LD_LIBRARY_PATH="/vpp/build-root/build-vpp_debug-native/vpp/lib/x86_64-linux-gnu/" -v $VPP_SOCK_PATH:$VPP_SOCK_PATH \
+ -v $WS_ROOT:/vpp ubuntu:22.04 sh -c "/vpp/build-root/build-vpp_debug-native/vpp/bin/vpp unix {interactive \
+ nodaemon cli-listen $VPP_SOCK_PATH/cli.sock} cpu {main-core ${MAIN_CORE} ${VPP_CPU_EXTRA_OPTIONS} } plugins \
+ { plugin dpdk_plugin.so {disable } }" > /dev/null )
+ sleep 3 # wait for VPP to initialize socket
+ # Change access permissions on vpp cli socket
+ # docker exec -it "$DOCKER_CONTAINER_NAME" /bin/bash -c "chmod 777 $VPP_SOCK_PATH/cli.sock" > /dev/null
+ # check if vppctl can connect to vpp container instance
+ $WS_ROOT/build-root/build-vpp_debug-native/vpp/bin/vppctl -s $VPP_SOCK_PATH/cli.sock show threads 1> /dev/null
+ # get CPUs vpp instance in container is running on
+ taskset_vpp_cpus=($( taskset --all-tasks -pc $(pgrep vpp) | grep -e ".$" -o))
+ rc=$?
+ # parse list of user requested CPUs for vpp
+ requested_cpus=()
+ parsed_main_core=$(parse_maincore ${MAIN_CORE})
+ requested_cpus+=($parsed_main_core)
+ if [ -n "$CORELIST_WORKERS" ];
+ then
+ requested_cpus+=($(parse_corelist ${CORELIST_WORKERS}))
+ fi
+ if [ -n "$WORKERS_AUTO" ];
+ then
+ requested_cpus+=($(parse_workers_n ${WORKERS_AUTO}))
+ fi
+
+ # parse list of expected CPUs used by vpp
+ expected_cpu_mapping=()
+ expected_cpu_mapping=("${requested_cpus[@]}")
+ echo "CPUs requested by user: [${requested_cpus[@]}]"
+ echo "--------------------"
+ echo "Expected CPU Mapping: [${expected_cpu_mapping[@]}]"
+ echo "VPP pinning (taskset): [${taskset_vpp_cpus[@]}]"
+ #check if expected CPU mapping matches CPUs vpp instance in container is running on
+ failure_cond=""
+ for index in ${!taskset_vpp_cpus[@]}; do
+ if [ ${taskset_vpp_cpus[$index]} -ne ${expected_cpu_mapping[ $index ]} ]
+ then
+ failure_cond="t"
+ fi
+ done
+ if [ $rc -eq 0 ] && [ -z "$failure_cond" ]
+ then
+ echo "Test Successful"
+ TEST_SUCCESS=$(($TEST_SUCCESS+1))
+ else
+ echo "Test Failed"
+ TEST_FAIL=$(($TEST_FAIL+1))
+ fi
+ echo "=============================================="
+ echo " "
+ # Stop & destroy container instance
+ docker stop $DOCKER_CONTAINER_NAME &> /dev/null
+ docker rm -f $DOCKER_CONTAINER_NAME &> /dev/null
+}
+test_invalid_conf () {
+ if [ -n "$CORELIST_WORKERS" ];
+ then
+ VPP_CPU_EXTRA_OPTIONS=" corelist-workers ${CORELIST_WORKERS}"
+ fi
+ if [ -n "$WORKERS_AUTO" ];
+ then
+ VPP_CPU_EXTRA_OPTIONS=" workers ${WORKERS_AUTO}"
+ fi
+ if [ -n "$SKIP_CORE" ];
+ then
+ VPP_CPU_EXTRA_OPTIONS="${VPP_CPU_EXTRA_OPTIONS} skip-cores ${SKIP_CORE}"
+ fi
+ echo "TEST - conf 'cpu {main-core ${MAIN_CORE} ${VPP_CPU_EXTRA_OPTIONS}}'"
+ if [ -z "$CONTAINER_RESTRAIN_CPUSET" ];
+ then
+ VPP_CONTAINER_CPUSET=""
+ echo "(Running vpp in container with full host cpuset $host_cpulist)"
+ else
+ VPP_CONTAINER_CPUSET="--cpuset-cpus $CONTAINER_CPU_RANGE"
+ echo "(Running vpp in container with limited cpuset $CONTAINER_CPU_RANGE)"
+ fi
+ (docker run -d --cpuset-cpus $CONTAINER_CPU_RANGE --name="$DOCKER_CONTAINER_NAME" \
+ -e LD_LIBRARY_PATH="/vpp/build-root/build-vpp_debug-native/vpp/lib/x86_64-linux-gnu/" -v $VPP_SOCK_PATH:$VPP_SOCK_PATH \
+ -v $WS_ROOT:/vpp ubuntu:22.04 sh -c "/vpp/build-root/build-vpp_debug-native/vpp/bin/vpp unix {interactive \
+ nodaemon cli-listen $VPP_SOCK_PATH/cli.sock} cpu {main-core ${MAIN_CORE} ${VPP_CPU_EXTRA_OPTIONS}} plugins \
+ { plugin dpdk_plugin.so {disable } }" > /dev/null)
+ sleep 3 # wait for vpp to initialize socket
+ # check if vpp launched with invalid configuration
+ taskset --all-tasks -pc $(pgrep vpp) &> /dev/null
+ rc=$?
+ if [ $rc -eq 1 ]
+ then
+ echo " "
+ echo "OK... VPP did not launch with invalid configuration"
+ TEST_SUCCESS=$(($TEST_SUCCESS+1))
+ else
+ echo " "
+ echo "Failure... VPP launched with wrong configuration"
+ TEST_FAIL=$(($TEST_FAIL+1))
+ fi
+ echo "=============================================="
+ echo " "
+ # Stop & destroy container instance
+ docker stop $DOCKER_CONTAINER_NAME &> /dev/null
+ docker rm -f $DOCKER_CONTAINER_NAME &> /dev/null
+}
+run_tests () {
+ container_cpus=($(parse_corelist ${CONTAINER_CPU_RANGE}))
+ echo "TESTING VALID CORE PINNING CONFIGURATIONS"
+ echo " "
+ WORKERS_AUTO=""
+ SKIP_CORE=""
+ CONTAINER_RESTRAIN_CPUSET=""
+ CORELIST_WORKERS="1-3"
+ MAIN_CORE="0"
+ test_pinning_conf
+ WORKERS_AUTO=""
+ SKIP_CORE=""
+ CONTAINER_RESTRAIN_CPUSET=""
+ CORELIST_WORKERS="0,2-3"
+ MAIN_CORE="1"
+ test_pinning_conf
+ WORKERS_AUTO=""
+ SKIP_CORE=""
+ CONTAINER_RESTRAIN_CPUSET=""
+ CORELIST_WORKERS="0-2"
+ MAIN_CORE="3"
+ test_pinning_conf
+ WORKERS_AUTO="2"
+ SKIP_CORE=""
+ CONTAINER_RESTRAIN_CPUSET=""
+ CORELIST_WORKERS=""
+ MAIN_CORE="auto"
+ test_pinning_conf
+ WORKERS_AUTO="3"
+ SKIP_CORE=""
+ CONTAINER_RESTRAIN_CPUSET="t"
+ CORELIST_WORKERS=""
+ MAIN_CORE="auto"
+ test_pinning_conf
+ WORKERS_AUTO="2"
+ SKIP_CORE="1"
+ CONTAINER_RESTRAIN_CPUSET="t"
+ CORELIST_WORKERS=""
+ MAIN_CORE="auto"
+ test_pinning_conf
+ WORKERS_AUTO="2"
+ SKIP_CORE=""
+ CONTAINER_RESTRAIN_CPUSET="t"
+ CORELIST_WORKERS=""
+ MAIN_CORE="5"
+ test_pinning_conf
+ echo "TESTING NON-VALID CORE PINNING CONFIGURATIONS"
+ echo " "
+ WORKERS_AUTO=""
+ SKIP_CORE=""
+ CONTAINER_RESTRAIN_CPUSET="t"
+ CORELIST_WORKERS="1-3"
+ MAIN_CORE="0"
+ test_invalid_conf
+ WORKERS_AUTO="3"
+ SKIP_CORE="1"
+ CONTAINER_RESTRAIN_CPUSET="t"
+ CORELIST_WORKERS=""
+ MAIN_CORE="auto"
+ test_invalid_conf
+ WORKERS_AUTO="5"
+ SKIP_CORE=""
+ CONTAINER_RESTRAIN_CPUSET="t"
+ CORELIST_WORKERS=""
+ MAIN_CORE="auto"
+ test_invalid_conf
+ WORKERS_AUTO=""
+ SKIP_CORE="4"
+ CONTAINER_RESTRAIN_CPUSET="t"
+ CORELIST_WORKERS=""
+ MAIN_CORE="auto"
+ test_invalid_conf
+ echo " "
+ echo "========================"
+ echo "RESULTS:"
+ echo "SUCCESS: $TEST_SUCCESS"
+ echo "FAILURE: $TEST_FAIL"
+ echo "========================"
+ echo " "
+}
+run_tests \ No newline at end of file