thesis/linux-6.8.1/tools/perf/util/bpf_skel/bench_uprobe.bpf.c
2025-03-19 13:44:23 +01:00

23 lines
421 B
C

// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
// Copyright (c) 2023 Red Hat
#include "vmlinux.h"
#include <bpf/bpf_tracing.h>
unsigned int nr_uprobes;
SEC("uprobe")
int BPF_UPROBE(empty)
{
return 0;
}
SEC("uprobe")
int BPF_UPROBE(trace_printk)
{
char fmt[] = "perf bench uprobe %u";
bpf_trace_printk(fmt, sizeof(fmt), ++nr_uprobes);
return 0;
}
char LICENSE[] SEC("license") = "Dual BSD/GPL";