From ae1571536003b29f527ab7aedc0c61d783ecbd65 Mon Sep 17 00:00:00 2001 From: Ed Schouten Date: Wed, 14 Dec 2016 13:03:01 +0000 Subject: [PATCH] Add a "device_index" label to all sysctls under dev.$driver.$index. This way it becomes possible to graph a property for all instances of a single driver. For example, graphing the number of packets across all USB controllers, the amount of dropped packets on all NICs, etc. Reviewed by: cem Differential Revision: https://reviews.freebsd.org/D8775 --- sys/kern/subr_bus.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/sys/kern/subr_bus.c b/sys/kern/subr_bus.c index 91dc30b9109..cf3cd47fe9c 100644 --- a/sys/kern/subr_bus.c +++ b/sys/kern/subr_bus.c @@ -288,10 +288,10 @@ device_sysctl_init(device_t dev) return; devclass_sysctl_init(dc); sysctl_ctx_init(&dev->sysctl_ctx); - dev->sysctl_tree = SYSCTL_ADD_NODE(&dev->sysctl_ctx, + dev->sysctl_tree = SYSCTL_ADD_NODE_WITH_LABEL(&dev->sysctl_ctx, SYSCTL_CHILDREN(dc->sysctl_tree), OID_AUTO, dev->nameunit + strlen(dc->name), - CTLFLAG_RD, NULL, ""); + CTLFLAG_RD, NULL, "", "device_index"); SYSCTL_ADD_PROC(&dev->sysctl_ctx, SYSCTL_CHILDREN(dev->sysctl_tree), OID_AUTO, "%desc", CTLTYPE_STRING | CTLFLAG_RD, dev, DEVICE_SYSCTL_DESC, device_sysctl_handler, "A",