bcc/tools: Replace bpf_probe_read with bpf_probe_read_kernel
It is recommended to use bpf_probe_read_kernel_{str} in the bpf tools.
See kernel commit 0ebeea8ca8a4 ("bpf: Restrict bpf_probe_read{, str}()
only to archs where they work")
Signed-off-by: Sumanth Korikkar <sumanthk@linux.ibm.com>
Acked-by: Ilya Leoshkevich <iii@linux.ibm.com>
diff --git a/tools/ext4slower.py b/tools/ext4slower.py
index 0524f22..90663a5 100755
--- a/tools/ext4slower.py
+++ b/tools/ext4slower.py
@@ -226,7 +226,7 @@
qs = de->d_name;
if (qs.len == 0)
return 0;
- bpf_probe_read(&data.file, sizeof(data.file), (void *)qs.name);
+ bpf_probe_read_kernel(&data.file, sizeof(data.file), (void *)qs.name);
// output
events.perf_submit(ctx, &data, sizeof(data));