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// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2022 Meta Platforms, Inc. and affiliates. */
#include "vmlinux.h"
#include <bpf/bpf_helpers.h>
#include <bpf/usdt.bpf.h>
/* this file is linked together with test_usdt.c to validate that usdt.bpf.h
* can be included in multiple .bpf.c files forming single final BPF object
* file
*/
extern int my_pid;
int usdt_100_called;
int usdt_100_sum;
SEC("usdt//proc/self/exe:test:usdt_100")
int BPF_USDT(usdt_100, int x)
{
if (my_pid != (bpf_get_current_pid_tgid() >> 32))
return 0;
__sync_fetch_and_add(&usdt_100_called, 1);
__sync_fetch_and_add(&usdt_100_sum, x);
return 0;
}
char _license[] SEC("license") = "GPL";
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