From 948cfd3f7f0bd2d78ba586d568521c70b95c53d9 Mon Sep 17 00:00:00 2001
From: mzz2017 <2017@duck.com>
Date: Tue, 21 Mar 2023 16:11:11 +0800
Subject: [PATCH] docs: need CONFIG_KPROBE_EVENTS for bpf features judging

---
 control/bpf_utils.go           | 2 +-
 docs/getting-started/README.md | 3 ++-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/control/bpf_utils.go b/control/bpf_utils.go
index b940dbf..85cf12d 100644
--- a/control/bpf_utils.go
+++ b/control/bpf_utils.go
@@ -214,7 +214,7 @@ retryLoadBpf:
 		} else if strings.Contains(err.Error(), "unknown func bpf_trace_printk") {
 			err = fmt.Errorf(`%w: please try to compile dae without bpf_printk; example of cross-compilation to arm64: make GOARCH=arm64 CGO_ENABLED=0 CFLAGS="-D__REMOVE_BPF_PRINTK"`, err)
 		} else if strings.Contains(err.Error(), "unknown func bpf_probe_read") {
-			err = fmt.Errorf(`%w: please re-compile linux kernel with CONFIG_BPF_EVENTS=y"`, err)
+			err = fmt.Errorf(`%w: please re-compile linux kernel with CONFIG_BPF_EVENTS=y and CONFIG_KPROBE_EVENTS=y"`, err)
 		}
 		return err
 	}
diff --git a/docs/getting-started/README.md b/docs/getting-started/README.md
index 11e4e62..07e0723 100644
--- a/docs/getting-started/README.md
+++ b/docs/getting-started/README.md
@@ -39,6 +39,7 @@ dae needs:
 ```
 CONFIG_DEBUG_INFO_BTF=y
 CONFIG_BPF_EVENTS=y
+CONFIG_KPROBE_EVENTS=y
 CONFIG_NET_CLS_ACT=y
 CONFIG_NET_SCH_INGRESS=m
 CONFIG_NET_INGRESS=y
@@ -47,7 +48,7 @@ CONFIG_NET_EGRESS=y
 Check them using command like:
 
 ```shell
-(zcat /proc/config.gz || cat /boot/{config,config-$(uname -r)}) | grep -E 'CONFIG_(DEBUG_INFO_BTF|CONFIG_BPF_EVENTS|NET_CLS_ACT|NET_SCH_INGRESS|NET_INGRESS|NET_EGRESS)='
+(zcat /proc/config.gz || cat /boot/{config,config-$(uname -r)}) | grep -E 'CONFIG_(DEBUG_INFO_BTF|BPF_EVENTS|KPROBE_EVENTS|NET_CLS_ACT|NET_SCH_INGRESS|NET_INGRESS|NET_EGRESS)='
 ```
 
 > **Note**