svn commit: r310055 - head/sys/kern
Ed Schouten
ed at FreeBSD.org
Wed Dec 14 13:03:02 UTC 2016
Author: ed
Date: Wed Dec 14 13:03:01 2016
New Revision: 310055
URL: https://svnweb.freebsd.org/changeset/base/310055
Log:
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
Modified:
head/sys/kern/subr_bus.c
Modified: head/sys/kern/subr_bus.c
==============================================================================
--- head/sys/kern/subr_bus.c Wed Dec 14 13:00:27 2016 (r310054)
+++ head/sys/kern/subr_bus.c Wed Dec 14 13:03:01 2016 (r310055)
@@ -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",
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