From 9c0181451b78f7ffa9b6cd2127c88bd14b0888c8 Mon Sep 17 00:00:00 2001
From: Michal Berger <michal.berger@intel.com>
Date: Wed, 21 Sep 2022 11:10:02 +0200
Subject: [PATCH] nvme/perf: Read NUMA node id from nvme subsystem

Instead looking up the pci bus extract the info from the nvme
subsystem under sysfs. Also, remove deprecated commit about
buggy kernels - this shouldn't be the case for newer releases.

Signed-off-by: Michal Berger <michal.berger@intel.com>
Change-Id: I0ef46eb3b1935bd5bf86f7b06f9310ca8f1a1a2b
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/14592
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
---
 test/nvme/perf/common.sh | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/test/nvme/perf/common.sh b/test/nvme/perf/common.sh
index 4ae68eda6..fce460ca7 100755
--- a/test/nvme/perf/common.sh
+++ b/test/nvme/perf/common.sh
@@ -142,11 +142,7 @@ function get_numa_node() {
 		done
 	else
 		for name in $disks; do
-			local bdf
-			# Not reading directly from /sys/block/nvme* because of a kernel bug
-			# which results in NUMA 0 always getting reported.
-			bdf=$(cat /sys/block/$name/device/address)
-			cat /sys/bus/pci/devices/$bdf/numa_node
+			cat "/sys/block/$name/device/numa_node"
 		done
 	fi
 }