From 9cf212aaa02266ed3bd034384eb343aaf8c61891 Mon Sep 17 00:00:00 2001
From: Peter Cai <peter.cai@uwaterloo.ca>
Date: Thu, 16 Feb 2023 14:47:50 -0500
Subject: [PATCH] Add perf stat support
---
configs/5.15.79-peter.sh | 1 +
configs/base.sh | 1 +
experiments/memcached.shared.sh | 4 ++++
experiments/perf.shared.sh | 8 ++++++++
4 files changed, 14 insertions(+)
create mode 100644 experiments/perf.shared.sh
diff --git a/configs/5.15.79-peter.sh b/configs/5.15.79-peter.sh
index 368fdaa..b648d84 100644
--- a/configs/5.15.79-peter.sh
+++ b/configs/5.15.79-peter.sh
@@ -2,4 +2,5 @@ IS_CUSTOM_KERNEL=true
KERNEL_SRC=/home/p5cai/workspace/linux
CPUPOWER=$KERNEL_SRC/tools/power/cpupower/cpupower
X86_ENERGY_PERF_POLICY=$KERNEL_SRC/tools/power/x86/x86_energy_perf_policy/x86_energy_perf_policy
+PERF=$KERNEL_SRC/tools/perf/perf
export LD_LIBRARY_PATH="$LD_LIBRARY_PATH":"$KERNEL_SRC/tools/power/cpupower"
diff --git a/configs/base.sh b/configs/base.sh
index 6a561c0..f4b9483 100644
--- a/configs/base.sh
+++ b/configs/base.sh
@@ -1,6 +1,7 @@
IS_CUSTOM_KERNEL=false
CPUPOWER=cpupower
X86_ENERGY_PERF_POLICY=x86_energy_perf_policy
+PERF=perf
# Execute all SSH commands under this user
# so that we don't need ssh keys for root
diff --git a/experiments/memcached.shared.sh b/experiments/memcached.shared.sh
index 94dfe24..e6cd0e5 100644
--- a/experiments/memcached.shared.sh
+++ b/experiments/memcached.shared.sh
@@ -1,3 +1,5 @@
+source "$EXP_ROOT/experiments/perf.shared.sh"
+
CONNS=160 # per agent thread
load_config() {
@@ -37,7 +39,9 @@ warmup() {
run_mutilate() {
echo "Running mutilate with $CONNS connections per agent (core) and QPS = $QPS"
+ perf_stat_start "$1"
sudo -u $SSH_USER $MUTILATE --noload -c$CONNS $MUTCLIENTS -t30 -u 0 -q $QPS | tee $DATA_OUT/$1.txt
+ perf_stat_stop
}
memcached_pre_start() {
diff --git a/experiments/perf.shared.sh b/experiments/perf.shared.sh
new file mode 100644
index 0000000..db84939
--- /dev/null
+++ b/experiments/perf.shared.sh
@@ -0,0 +1,8 @@
+perf_stat_start() {
+ $PERF stat -C 0-$((THREADS - 1)) -e LLC-load-misses:u,LLC-load-misses:k,mem_load_uops_retired.llc_miss,mem_uops_retired.all_loads,cycles,cycles:u,cycles:k,instructions,instructions:u,instructions:k,stalled-cycles-frontend,stalled-cycles-backend -o "$DATA_OUT/stat_$1.txt" &
+ PERF_STAT_PID=$!
+}
+
+perf_stat_stop() {
+ kill -INT "$PERF_STAT_PID" || true
+}
--
GitLab