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Add ringbuf type hinting.

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varun-r-mallya
2025-10-01 21:14:20 +05:30
parent 5c8b132cb9
commit 84ad58b775
7 changed files with 119 additions and 50 deletions
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30
tests/c-form/ringbuf.bpf.c Normal file
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#include "vmlinux.h"
#include <bpf/bpf_helpers.h>
#include <bpf/bpf_tracing.h>
#include <bpf/bpf_core_read.h>
struct {
__uint(type, BPF_MAP_TYPE_RINGBUF);
__uint(max_entries, 1 << 24); // 16 MB
} rb SEC(".maps");
//struct msg {
// u32 pid;
// char comm[16];
//};
//SEC("tracepoint/syscalls/sys_enter_execve")
//int handle_execve(struct trace_event_raw_sys_enter *ctx)
//{
// struct msg *m;
// m = bpf_ringbuf_reserve(&rb, sizeof(*m), 0);
// if (!m)
// return 0;
//
// m->pid = bpf_get_current_pid_tgid() >> 32;
// bpf_get_current_comm(&m->comm, sizeof(m->comm));
// bpf_ringbuf_submit(m, 0);
// return 0;
//}
//char LICENSE[] SEC("license") = "GPL";