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Code Issues Releases Activity

netinet: default mib counter probe points off

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Disable the IP/IP6/ICMP/... counter probe points by default.
They are kept enabled in debug builds, and can be enabled with
'options KDTRACE_MIB_SDT'.

Requested by:	glebius
Reviewed by:	glebius
Sponsored by:	Rubicon Communications, LLC ("Netgate")
Differential Revision:	https://reviews.freebsd.org/D47657
This commit is contained in:
Kristof Provost 2024-11-18 10:43:46 +01:00
parent 9229236fb9
commit 438ca68cef
6 changed files with 6 additions and 4 deletions
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2
sys/conf/options
View File

@ -143,7 +143,7 @@ GEOM_ZERO opt_geom.h
IFLIB opt_iflib.h
KDTRACE_HOOKS opt_global.h
KDTRACE_FRAME opt_kdtrace.h
KDTRACE_NO_MIB_SDT opt_global.h
KDTRACE_MIB_SDT opt_global.h
KN_HASHSIZE opt_kqueue.h
KSTACK_MAX_PAGES
KSTACK_PAGES

1
sys/conf/std.debug
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@ -15,3 +15,4 @@ options WITNESS_SKIPSPIN # Don't run witness on spinlocks for speed
options MALLOC_DEBUG_MAXZONES=8 # Separate malloc(9) zones
options VERBOSE_SYSINIT=0 # Support debug.verbose_sysinit, off by default
options ALT_BREAK_TO_DEBUGGER # Enter debugger on keyboard escape sequence
options KDTRACE_MIB_SDT # Add SDT probes to network counters

1
sys/conf/std.nodebug
View File

@ -15,6 +15,7 @@ nooptions COVERAGE
nooptions KCOV
nooptions MALLOC_DEBUG_MAXZONES
nooptions QUEUE_MACRO_DEBUG_TRASH
nooptions KDTRACE_MIB_SDT
# Net80211 debugging
nooptions IEEE80211_DEBUG

2
sys/netinet/in_kdtrace.c
View File

@ -36,7 +36,7 @@ SDT_PROVIDER_DEFINE(tcp);
SDT_PROVIDER_DEFINE(udp);
SDT_PROVIDER_DEFINE(udplite);
#ifndef KDTRACE_NO_MIB_SDT
#ifdef KDTRACE_MIB_SDT
#define MIB_PROBE_IP(name) \
SDT_PROBE_DEFINE1(mib, ip, count, name, \
"int")

2
sys/netinet/in_kdtrace.h
View File

@ -54,7 +54,7 @@ SDT_PROVIDER_DECLARE(tcp);
SDT_PROVIDER_DECLARE(udp);
SDT_PROVIDER_DECLARE(udplite);
#ifndef KDTRACE_NO_MIB_SDT
#ifdef KDTRACE_MIB_SDT
SDT_PROVIDER_DECLARE(mib);
SDT_PROBE_DECLARE(mib, ip, count, ips_total);

2
sys/sys/sdt.h
View File

@ -357,7 +357,7 @@ __sdt_probe##uniq:; \
(uintptr_t)arg0, (uintptr_t)arg1, (uintptr_t)arg2, \
(uintptr_t)arg3, (uintptr_t)arg4, (uintptr_t)arg5)
#ifndef KDTRACE_NO_MIB_SDT
#ifdef KDTRACE_MIB_SDT
#define MIB_SDT_PROBE1(...) SDT_PROBE1(mib, __VA_ARGS__)
#define MIB_SDT_PROBE2(...) SDT_PROBE2(mib, __VA_ARGS__)
#else