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Hello,
On Tue, 12 May 2026, Florian Westphal wrote:
> Similar to a few other subsystems: add a new config toggle to
> enable netfilter gcov profiling in netfilter, including ebtables,
> arptables and so on.
>
> ipset and ipvs gain their own, dedicated toggles.
>
> Signed-off-by: Florian Westphal <fw@xxxxxxxxx>
Looks good to me, thanks!
For IPVS:
Acked-by: Julian Anastasov <ja@xxxxxx>
> ---
> v2: add dedicated toggles for ipvs and ipset;
> I am currently not collecting profile data for these two.
>
> If you prefer to keep them under single switch thats fine,
> just lmk.
>
> net/bridge/netfilter/Makefile | 4 ++++
> net/ipv4/netfilter/Makefile | 4 ++++
> net/ipv6/netfilter/Makefile | 4 ++++
> net/netfilter/Kconfig | 8 ++++++++
> net/netfilter/Makefile | 4 ++++
> net/netfilter/ipset/Kconfig | 9 +++++++++
> net/netfilter/ipset/Makefile | 3 +++
> net/netfilter/ipvs/Kconfig | 9 +++++++++
> net/netfilter/ipvs/Makefile | 3 +++
> 9 files changed, 48 insertions(+)
>
> diff --git a/net/bridge/netfilter/Makefile b/net/bridge/netfilter/Makefile
> index b9a1303da977..af0c903aa4ac 100644
> --- a/net/bridge/netfilter/Makefile
> +++ b/net/bridge/netfilter/Makefile
> @@ -38,3 +38,7 @@ obj-$(CONFIG_BRIDGE_EBT_SNAT) += ebt_snat.o
> # watchers
> obj-$(CONFIG_BRIDGE_EBT_LOG) += ebt_log.o
> obj-$(CONFIG_BRIDGE_EBT_NFLOG) += ebt_nflog.o
> +
> +ifdef CONFIG_GCOV_PROFILE_NETFILTER
> +GCOV_PROFILE := y
> +endif
> diff --git a/net/ipv4/netfilter/Makefile b/net/ipv4/netfilter/Makefile
> index 85502d4dfbb4..dbfb1c4739a8 100644
> --- a/net/ipv4/netfilter/Makefile
> +++ b/net/ipv4/netfilter/Makefile
> @@ -51,3 +51,7 @@ obj-$(CONFIG_IP_NF_ARP_MANGLE) += arpt_mangle.o
> obj-$(CONFIG_IP_NF_ARPFILTER) += arptable_filter.o
>
> obj-$(CONFIG_NF_DUP_IPV4) += nf_dup_ipv4.o
> +
> +ifdef CONFIG_GCOV_PROFILE_NETFILTER
> +GCOV_PROFILE := y
> +endif
> diff --git a/net/ipv6/netfilter/Makefile b/net/ipv6/netfilter/Makefile
> index 66ce6fa5b2f5..72902d8005ad 100644
> --- a/net/ipv6/netfilter/Makefile
> +++ b/net/ipv6/netfilter/Makefile
> @@ -43,3 +43,7 @@ obj-$(CONFIG_IP6_NF_MATCH_SRH) += ip6t_srh.o
> obj-$(CONFIG_IP6_NF_TARGET_NPT) += ip6t_NPT.o
> obj-$(CONFIG_IP6_NF_TARGET_REJECT) += ip6t_REJECT.o
> obj-$(CONFIG_IP6_NF_TARGET_SYNPROXY) += ip6t_SYNPROXY.o
> +
> +ifdef CONFIG_GCOV_PROFILE_NETFILTER
> +GCOV_PROFILE := y
> +endif
> diff --git a/net/netfilter/Kconfig b/net/netfilter/Kconfig
> index 682c675125fc..f71ff98eb5d0 100644
> --- a/net/netfilter/Kconfig
> +++ b/net/netfilter/Kconfig
> @@ -1648,6 +1648,14 @@ config NETFILTER_XT_MATCH_U32
>
> endif # NETFILTER_XTABLES
>
> +config GCOV_PROFILE_NETFILTER
> + bool "Enable GCOV profiling for netfilter"
> + depends on GCOV_KERNEL
> + help
> + Enable GCOV profiling for netfilter to check which functions/lines
> + are executed.
> +
> + If unsure, say N.
> endmenu
>
> source "net/netfilter/ipset/Kconfig"
> diff --git a/net/netfilter/Makefile b/net/netfilter/Makefile
> index 6bfc250e474f..f0751ca302c6 100644
> --- a/net/netfilter/Makefile
> +++ b/net/netfilter/Makefile
> @@ -240,3 +240,7 @@ obj-$(CONFIG_IP_VS) += ipvs/
>
> # lwtunnel
> obj-$(CONFIG_LWTUNNEL) += nf_hooks_lwtunnel.o
> +
> +ifdef CONFIG_GCOV_PROFILE_NETFILTER
> +GCOV_PROFILE := y
> +endif
> diff --git a/net/netfilter/ipset/Kconfig b/net/netfilter/ipset/Kconfig
> index b1ea054bb82c..6c4d54758106 100644
> --- a/net/netfilter/ipset/Kconfig
> +++ b/net/netfilter/ipset/Kconfig
> @@ -175,4 +175,13 @@ config IP_SET_LIST_SET
>
> To compile it as a module, choose M here. If unsure, say N.
>
> +config GCOV_PROFILE_IPSET
> + bool "Enable GCOV profiling for ipset"
> + depends on GCOV_KERNEL
> + help
> + Enable GCOV profiling for ipset to check which functions/lines
> + are executed.
> +
> + If unsure, say N.
> +
> endif # IP_SET
> diff --git a/net/netfilter/ipset/Makefile b/net/netfilter/ipset/Makefile
> index a445a6bf4f11..4f48df5406cd 100644
> --- a/net/netfilter/ipset/Makefile
> +++ b/net/netfilter/ipset/Makefile
> @@ -29,3 +29,6 @@ obj-$(CONFIG_IP_SET_HASH_NETPORTNET) +=
> ip_set_hash_netportnet.o
>
> # list types
> obj-$(CONFIG_IP_SET_LIST_SET) += ip_set_list_set.o
> +ifdef CONFIG_GCOV_PROFILE_IPSET
> +GCOV_PROFILE := y
> +endif
> diff --git a/net/netfilter/ipvs/Kconfig b/net/netfilter/ipvs/Kconfig
> index c203252e856d..7724cb44e6de 100644
> --- a/net/netfilter/ipvs/Kconfig
> +++ b/net/netfilter/ipvs/Kconfig
> @@ -349,4 +349,13 @@ config IP_VS_PE_SIP
> help
> Allow persistence based on the SIP Call-ID
>
> +config GCOV_PROFILE_IPVS
> + bool "Enable GCOV profiling for IPVS"
> + depends on GCOV_KERNEL
> + help
> + Enable GCOV profiling for IPVS to check which functions/lines
> + are executed.
> +
> + If unsure, say N.
> +
> endif # IP_VS
> diff --git a/net/netfilter/ipvs/Makefile b/net/netfilter/ipvs/Makefile
> index bb5d8125c82a..8e4cc67ad39d 100644
> --- a/net/netfilter/ipvs/Makefile
> +++ b/net/netfilter/ipvs/Makefile
> @@ -43,3 +43,6 @@ obj-$(CONFIG_IP_VS_FTP) += ip_vs_ftp.o
>
> # IPVS connection template retrievers
> obj-$(CONFIG_IP_VS_PE_SIP) += ip_vs_pe_sip.o
> +ifdef CONFIG_GCOV_PROFILE_IPVS
> +GCOV_PROFILE := y
> +endif
> --
> 2.53.0
Regards
--
Julian Anastasov <ja@xxxxxx>
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