From dbab740e52964c7f356f7fe6a3b200afcace508f Mon Sep 17 00:00:00 2001
From: Adrien Mahieux <adrien.mahieux@gmail.com>
Date: Tue, 18 Jan 2022 13:51:12 +0100
Subject: [PATCH] Fix ib counters (#11994)
---
collectors/proc.plugin/sys_class_infiniband.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/collectors/proc.plugin/sys_class_infiniband.c b/collectors/proc.plugin/sys_class_infiniband.c
index 345a87587d..7e63bcbb4e 100644
--- a/collectors/proc.plugin/sys_class_infiniband.c
+++ b/collectors/proc.plugin/sys_class_infiniband.c
@@ -540,7 +540,8 @@ int do_sys_class_infiniband(int update_every, usec_t dt)
rrdset_flag_set(port->st_bytes, RRDSET_FLAG_DETAIL);
// On this chart, we want to have a KB/s so the dashboard will autoscale it
// The reported values are also per-lane, so we must multiply it by the width
- FOREACH_COUNTER_BYTES(GEN_RRD_DIM_ADD_CUSTOM, port, 8 * port->width, 1024, RRD_ALGORITHM_INCREMENTAL)
+ // x4 lanes multiplier as per Documentation/ABI/stable/sysfs-class-infiniband
+ FOREACH_COUNTER_BYTES(GEN_RRD_DIM_ADD_CUSTOM, port, 4 * 8 * port->width, 1024, RRD_ALGORITHM_INCREMENTAL)
port->stv_speed = rrdsetvar_custom_chart_variable_create(port->st_bytes, "link_speed");
} else