1 files changed, 84 insertions, 0 deletions
diff --git a/qa/standalone/c2c/c2c.sh b/qa/standalone/c2c/c2c.sh
new file mode 100755
index 000000000..a6969d555
--- /dev/null
+++ b/qa/standalone/c2c/c2c.sh
@@ -0,0 +1,84 @@
+#!/usr/bin/env bash
+
+set -ex
+
+function run_perf_c2c() {
+    # First get some background system info
+    uname -a > uname.out
+    lscpu > lscpu.out
+    cat /proc/cmdline > cmdline.out
+    timeout -s INT 10 vmstat -w 1 > vmstat.out || true
+    sudo dmesg >& dmesg.out
+    cat /proc/cpuinfo > cpuinfo.out
+    ps axo psr,time,stat,ppid,pid,pcpu,comm > ps.1.out
+    ps -eafT > ps.2.out
+    sudo sysctl -a > sysctl.out
+
+    nodecnt=`lscpu|grep "NUMA node(" |awk '{print $3}'`
+    for ((i=0; i<$nodecnt; i++))
+    do
+       sudo cat /sys/devices/system/node/node${i}/meminfo > meminfo.$i.out
+    done
+    sudo more `sudo find /proc -name status` > proc_parent_child_status.out
+    sudo more /proc/*/numa_maps > numa_maps.out
+
+    #
+    # Get separate kernel and user perf-c2c stats
+    #
+    sudo perf c2c record -a --ldlat=70 --all-user -o perf_c2c_a_all_user.data sleep 5
+    sudo perf c2c report --stdio -i perf_c2c_a_all_user.data > perf_c2c_a_all_user.out 2>&1
+    sudo perf c2c report --full-symbols --stdio -i perf_c2c_a_all_user.data > perf_c2c_full-sym_a_all_user.out 2>&1
+
+    sudo perf c2c record --call-graph dwarf -a --ldlat=70 --all-user -o perf_c2c_g_a_all_user.data sleep 5
+    sudo perf c2c report -g --stdio -i perf_c2c_g_a_all_user.data > perf_c2c_g_a_all_user.out 2>&1
+
+    sudo perf c2c record -a --ldlat=70 --all-kernel -o perf_c2c_a_all_kernel.data sleep 4
+    sudo perf c2c report --stdio -i perf_c2c_a_all_kernel.data > perf_c2c_a_all_kernel.out 2>&1
+
+    sudo perf c2c record --call-graph dwarf --ldlat=70 -a --all-kernel -o perf_c2c_g_a_all_kernel.data sleep 4
+
+    sudo perf c2c report -g --stdio -i perf_c2c_g_a_all_kernel.data > perf_c2c_g_a_all_kernel.out 2>&1
+
+    #
+    # Get combined kernel and user perf-c2c stats
+    #
+    sudo perf c2c record -a --ldlat=70 -o perf_c2c_a_both.data sleep 4
+    sudo perf c2c report --stdio -i perf_c2c_a_both.data > perf_c2c_a_both.out 2>&1
+
+    sudo perf c2c record --call-graph dwarf --ldlat=70 -a --all-kernel -o perf_c2c_g_a_both.data sleep 4
+    sudo perf c2c report -g --stdio -i perf_c2c_g_a_both.data > perf_c2c_g_a_both.out 2>&1
+
+    #
+    # Get all-user physical addr stats, in case multiple threads or processes are
+    # accessing shared memory with different vaddrs.
+    #
+    sudo perf c2c record --phys-data -a --ldlat=70 --all-user -o perf_c2c_a_all_user_phys_data.data sleep 5
+    sudo perf c2c report --stdio -i perf_c2c_a_all_user_phys_data.data > perf_c2c_a_all_user_phys_data.out 2>&1
+}
+
+function run() {
+    local dir=$1
+    shift
+    (
+	rm -fr $dir
+	mkdir $dir
+	cd $dir
+	ceph_test_c2c --threads $(($(nproc) * 2)) "$@" &
+	sleep 30 # let it warm up
+	run_perf_c2c
+	kill $! || { echo "ceph_test_c2c WAS NOT RUNNING" ; exit 1 ; }
+    ) || exit 1
+}
+
+function bench() {
+    optimized=$(timeout 30 ceph_test_c2c --threads $(($(nproc) * 2)) --sharding 2> /dev/null || true)
+    not_optimized=$(timeout 30 ceph_test_c2c --threads $(($(nproc) * 2)) 2> /dev/null || true)
+    if ! (( $optimized > ( $not_optimized * 2 ) )) ; then
+	echo "the optimization is expected to be at least x2 faster"
+	exit 1
+    fi
+}
+
+run with-sharding --sharding
+run without-sharding
+bench