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d5c86c3370
Adding tests for optimized uprobe/usdt probes. Checking that we get expected trampoline and attached bpf programs get executed properly. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Acked-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/r/20250720112133.244369-15-jolsa@kernel.org
74 lines
1.1 KiB
C
74 lines
1.1 KiB
C
// SPDX-License-Identifier: GPL-2.0
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#include "vmlinux.h"
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#include <bpf/bpf_helpers.h>
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#include <bpf/bpf_tracing.h>
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#include <bpf/usdt.bpf.h>
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#include <string.h>
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struct pt_regs regs;
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char _license[] SEC("license") = "GPL";
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int executed = 0;
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int pid;
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SEC("uprobe")
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int BPF_UPROBE(test_uprobe)
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{
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if (bpf_get_current_pid_tgid() >> 32 != pid)
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return 0;
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executed++;
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return 0;
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}
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SEC("uretprobe")
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int BPF_URETPROBE(test_uretprobe)
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{
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if (bpf_get_current_pid_tgid() >> 32 != pid)
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return 0;
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executed++;
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return 0;
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}
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SEC("uprobe.multi")
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int test_uprobe_multi(struct pt_regs *ctx)
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{
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if (bpf_get_current_pid_tgid() >> 32 != pid)
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return 0;
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executed++;
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return 0;
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}
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SEC("uretprobe.multi")
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int test_uretprobe_multi(struct pt_regs *ctx)
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{
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if (bpf_get_current_pid_tgid() >> 32 != pid)
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return 0;
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executed++;
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return 0;
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}
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SEC("uprobe.session")
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int test_uprobe_session(struct pt_regs *ctx)
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{
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if (bpf_get_current_pid_tgid() >> 32 != pid)
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return 0;
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executed++;
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return 0;
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}
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SEC("usdt")
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int test_usdt(struct pt_regs *ctx)
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{
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if (bpf_get_current_pid_tgid() >> 32 != pid)
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return 0;
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executed++;
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return 0;
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}
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