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24 lines
491 B
C
24 lines
491 B
C
// SPDX-License-Identifier: GPL-2.0
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// Copyright (c) 2019 Facebook
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#include <linux/sched.h>
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#include <linux/ptrace.h>
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#include <stdint.h>
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#include <stddef.h>
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#include <stdbool.h>
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#include <linux/bpf.h>
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#include <bpf/bpf_helpers.h>
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#include <bpf/bpf_tracing.h>
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char _license[] SEC("license") = "GPL";
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SEC("raw_tracepoint/consume_skb")
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int while_true(struct pt_regs *ctx)
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{
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volatile __u64 i = 0, sum = 0;
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do {
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i++;
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sum += PT_REGS_RC(ctx);
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} while (i < 0x100000000ULL);
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return sum;
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}
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