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Diffstat (limited to 'samples/bpf/test_overhead_kprobe_kern.c')
-rw-r--r--samples/bpf/test_overhead_kprobe_kern.c41
1 files changed, 0 insertions, 41 deletions
diff --git a/samples/bpf/test_overhead_kprobe_kern.c b/samples/bpf/test_overhead_kprobe_kern.c
deleted file mode 100644
index 468a66a92ef9..000000000000
--- a/samples/bpf/test_overhead_kprobe_kern.c
+++ /dev/null
@@ -1,41 +0,0 @@
-/* Copyright (c) 2016 Facebook
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
- */
-#include <linux/version.h>
-#include <linux/ptrace.h>
-#include <uapi/linux/bpf.h>
-#include "bpf_helpers.h"
-
-#define _(P) ({typeof(P) val = 0; bpf_probe_read(&val, sizeof(val), &P); val;})
-
-SEC("kprobe/__set_task_comm")
-int prog(struct pt_regs *ctx)
-{
- struct signal_struct *signal;
- struct task_struct *tsk;
- char oldcomm[16] = {};
- char newcomm[16] = {};
- u16 oom_score_adj;
- u32 pid;
-
- tsk = (void *)PT_REGS_PARM1(ctx);
-
- pid = _(tsk->pid);
- bpf_probe_read(oldcomm, sizeof(oldcomm), &tsk->comm);
- bpf_probe_read(newcomm, sizeof(newcomm), (void *)PT_REGS_PARM2(ctx));
- signal = _(tsk->signal);
- oom_score_adj = _(signal->oom_score_adj);
- return 0;
-}
-
-SEC("kprobe/urandom_read")
-int prog2(struct pt_regs *ctx)
-{
- return 0;
-}
-
-char _license[] SEC("license") = "GPL";
-u32 _version SEC("version") = LINUX_VERSION_CODE;