libbpf-tools/gethostlatency: correct section name (#4944)

ShawnZhong · web-flow · commit 5f21a72744fa · 2024-03-22T11:03:47.000-07:00
handle_entry and handle_return are attached to uprobes getaddrinfo, gethostbyname, and gethostbyname2, so it doesn't make sense to have the section name be kprobe
diff --git a/libbpf-tools/gethostlatency.bpf.c b/libbpf-tools/gethostlatency.bpf.c
@@ -60,13 +60,13 @@ static int probe_return(struct pt_regs *ctx)
 	return 0;
 }
 
-SEC("kprobe/handle_entry")
+SEC("uprobe")
 int BPF_KPROBE(handle_entry)
 {
 	return probe_entry(ctx);
 }
 
-SEC("kretprobe/handle_return")
+SEC("uretprobe")
 int BPF_KRETPROBE(handle_return)
 {
 	return probe_return(ctx);

Original file line number	Diff line number	Diff line change
`@@ -60,13 +60,13 @@ static int probe_return(struct pt_regs *ctx)`
`60`	`60`	`return 0;`
`61`	`61`	`}`
`62`	`62`
`63`		`-SEC("kprobe/handle_entry")`
	`63`	`+SEC("uprobe")`
`64`	`64`	`int BPF_KPROBE(handle_entry)`
`65`	`65`	`{`
`66`	`66`	`return probe_entry(ctx);`
`67`	`67`	`}`
`68`	`68`
`69`		`-SEC("kretprobe/handle_return")`
	`69`	`+SEC("uretprobe")`
`70`	`70`	`int BPF_KRETPROBE(handle_return)`
`71`	`71`	`{`
`72`	`72`	`return probe_return(ctx);`