diff --git a/tools/perf/examples/bpf/5sec.c b/tools/perf/examples/bpf/5sec.c
index 6fc3697ac749..b9c203219691 100644
--- a/tools/perf/examples/bpf/5sec.c
+++ b/tools/perf/examples/bpf/5sec.c
@@ -15,6 +15,13 @@
 
     . While this is running, run something like "sleep 5s".
 
+    . If we decide to add tv_nsec as well, then it becomes:
+
+      int probe(hrtimer_nanosleep, rqtp->tv_sec rqtp->tv_nsec)(void *ctx, int err, long sec, long nsec)
+
+      I.e. add where it comes from (rqtp->tv_nsec) and where it will be
+      accessible in the function body (nsec)
+
     # perf trace --no-syscalls -e tools/perf/examples/bpf/5sec.c/call-graph=dwarf/
          0.000 perf_bpf_probe:func:(ffffffff9811b5f0) tv_sec=5
                                            hrtimer_nanosleep ([kernel.kallsyms])
@@ -34,8 +41,7 @@
 
 #include <bpf.h>
 
-SEC("func=hrtimer_nanosleep rqtp->tv_sec")
-int func(void *ctx, int err, long sec)
+int probe(hrtimer_nanosleep, rqtp->tv_sec)(void *ctx, int err, long sec)
 {
 	return sec == 5;
 }
diff --git a/tools/perf/include/bpf/bpf.h b/tools/perf/include/bpf/bpf.h
index cdfd18b9c318..dd764ad5efdf 100644
--- a/tools/perf/include/bpf/bpf.h
+++ b/tools/perf/include/bpf/bpf.h
@@ -3,6 +3,9 @@
 #define _PERF_BPF_H
 #define SEC(NAME) __attribute__((section(NAME),  used))
 
+#define probe(function, vars) \
+	SEC(#function "=" #function " " #vars) function
+
 #define license(name) \
 char _license[] SEC("license") = #name; \
 int _version SEC("version") = LINUX_VERSION_CODE;