From: Erwan Velu <erwanaliasr1@gmail.com>
Date: Wed, 6 Oct 2021 20:19:30 +0000 (+0200)
Subject: t/one-core-peak: Reporting BLK_CGROUP
X-Git-Tag: fio-3.29~72^2~4
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=7cfc64051b823fa94f740420582f13309ca430d6;p=fio.git

t/one-core-peak: Reporting BLK_CGROUP

When BLK_CGROUP is enabled, it induces some rdtsc calls which reduce the
overall performance.

Let's report if this option is enabled.

The tool was reporting BLK_CGROUP_IOCOST which wasn't the right one.

Signed-off-by: Erwan Velu <erwanaliasr1@gmail.com>
---

diff --git a/t/one-core-peak.sh b/t/one-core-peak.sh
index d0649d2e..54b40668 100755
--- a/t/one-core-peak.sh
+++ b/t/one-core-peak.sh
@@ -238,7 +238,7 @@ show_system() {
   info "system" "CPU: ${CPU_MODEL}"
   info "system" "MEMORY: ${MEMORY_SPEED}"
   info "system" "KERNEL: ${KERNEL}"
-  for config_item in BLK_CGROUP_IOCOST HZ; do
+  for config_item in BLK_CGROUP HZ; do
     info "system" "KERNEL: $(show_kernel_config_item ${config_item})"
   done
   tsc=$(journalctl -k | grep 'tsc: Refined TSC clocksource calibration:' | awk '{print $11}')