diff options
| -rw-r--r-- | meta/recipes-kernel/lttng/lttng-modules/0001-fix-net-skb-introduce-kfree_skb_reason-v5.15.58.v5.1.patch | 53 | ||||
| -rw-r--r-- | meta/recipes-kernel/lttng/lttng-modules_2.13.4.bb | 1 |
2 files changed, 54 insertions, 0 deletions
diff --git a/meta/recipes-kernel/lttng/lttng-modules/0001-fix-net-skb-introduce-kfree_skb_reason-v5.15.58.v5.1.patch b/meta/recipes-kernel/lttng/lttng-modules/0001-fix-net-skb-introduce-kfree_skb_reason-v5.15.58.v5.1.patch new file mode 100644 index 0000000000..ca6abea9c0 --- /dev/null +++ b/meta/recipes-kernel/lttng/lttng-modules/0001-fix-net-skb-introduce-kfree_skb_reason-v5.15.58.v5.1.patch @@ -0,0 +1,53 @@ +From d8254360c7f2ff9b3f945e9668d89c0b56b9bd91 Mon Sep 17 00:00:00 2001 +From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> +Date: Fri, 29 Jul 2022 15:37:43 -0400 +Subject: [PATCH] fix: net: skb: introduce kfree_skb_reason() (v5.15.58..v5.16) + +See upstream commit : + + commit c504e5c2f9648a1e5c2be01e8c3f59d394192bd3 + Author: Menglong Dong <imagedong@tencent.com> + Date: Sun Jan 9 14:36:26 2022 +0800 + + net: skb: introduce kfree_skb_reason() + + Introduce the interface kfree_skb_reason(), which is able to pass + the reason why the skb is dropped to 'kfree_skb' tracepoint. + + Add the 'reason' field to 'trace_kfree_skb', therefor user can get + more detail information about abnormal skb with 'drop_monitor' or + eBPF. + + All drop reasons are defined in the enum 'skb_drop_reason', and + they will be print as string in 'kfree_skb' tracepoint in format + of 'reason: XXX'. + + ( Maybe the reasons should be defined in a uapi header file, so that + user space can use them? ) + +Upstream-Status: Backport + +Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> +Change-Id: Ib3c039207739dad10f097cf76474e0822e351273 +--- + include/instrumentation/events/skb.h | 4 +++- + 1 file changed, 3 insertions(+), 1 deletion(-) + +diff --git a/include/instrumentation/events/skb.h b/include/instrumentation/events/skb.h +index 237e54ad..186732ea 100644 +--- a/include/instrumentation/events/skb.h ++++ b/include/instrumentation/events/skb.h +@@ -13,7 +13,9 @@ + /* + * Tracepoint for free an sk_buff: + */ +-#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,17,0)) ++#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,17,0) \ ++ || LTTNG_KERNEL_RANGE(5,15,58, 5,16,0)) ++ + LTTNG_TRACEPOINT_ENUM(skb_drop_reason, + TP_ENUM_VALUES( + ctf_enum_value("NOT_SPECIFIED", SKB_DROP_REASON_NOT_SPECIFIED) +-- +2.17.1 + diff --git a/meta/recipes-kernel/lttng/lttng-modules_2.13.4.bb b/meta/recipes-kernel/lttng/lttng-modules_2.13.4.bb index 90d48e5867..bee2204b42 100644 --- a/meta/recipes-kernel/lttng/lttng-modules_2.13.4.bb +++ b/meta/recipes-kernel/lttng/lttng-modules_2.13.4.bb @@ -11,6 +11,7 @@ include lttng-platforms.inc SRC_URI = "https://lttng.org/files/${BPN}/${BPN}-${PV}.tar.bz2 \ file://0009-Rename-genhd-wrapper-to-blkdev.patch \ + file://0001-fix-net-skb-introduce-kfree_skb_reason-v5.15.58.v5.1.patch \ " # Use :append here so that the patch is applied also when using devupstream |