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contrib: don't use bpf_usdt_readarg_p

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0xb10c committed 2025-02-12 16:28:28 +01:00
1 parent 35ae6ff60f
commit ec47ba349d
3 files changed
+51 -26
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contrib/tracing/p2p_monitor.py
+14 -6
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@@ -47,11 +47,15 @@ BPF_PERF_OUTPUT(outbound_messages);
int trace_inbound_message(struct pt_regs *ctx) {
struct p2p_message msg = {};
void *paddr = NULL, *pconn_type = NULL, *pmsg_type = NULL;
bpf_usdt_readarg(1, ctx, &msg.peer_id);
bpf_usdt_readarg_p(2, ctx, &msg.peer_addr, MAX_PEER_ADDR_LENGTH);
bpf_usdt_readarg_p(3, ctx, &msg.peer_conn_type, MAX_PEER_CONN_TYPE_LENGTH);
bpf_usdt_readarg_p(4, ctx, &msg.msg_type, MAX_MSG_TYPE_LENGTH);
bpf_usdt_readarg(2, ctx, &paddr);
bpf_probe_read_user_str(&msg.peer_addr, sizeof(msg.peer_addr), paddr);
bpf_usdt_readarg(3, ctx, &pconn_type);
bpf_probe_read_user_str(&msg.peer_conn_type, sizeof(msg.peer_conn_type), pconn_type);
bpf_usdt_readarg(4, ctx, &pconn_type);
bpf_probe_read_user_str(&msg.msg_type, sizeof(msg.msg_type), pmsg_type);
bpf_usdt_readarg(5, ctx, &msg.msg_size);
inbound_messages.perf_submit(ctx, &msg, sizeof(msg));
@@ -60,11 +64,15 @@ int trace_inbound_message(struct pt_regs *ctx) {
int trace_outbound_message(struct pt_regs *ctx) {
struct p2p_message msg = {};
void *paddr = NULL, *pconn_type = NULL, *pmsg_type = NULL;
bpf_usdt_readarg(1, ctx, &msg.peer_id);
bpf_usdt_readarg_p(2, ctx, &msg.peer_addr, MAX_PEER_ADDR_LENGTH);
bpf_usdt_readarg_p(3, ctx, &msg.peer_conn_type, MAX_PEER_CONN_TYPE_LENGTH);
bpf_usdt_readarg_p(4, ctx, &msg.msg_type, MAX_MSG_TYPE_LENGTH);
bpf_usdt_readarg(2, ctx, &paddr);
bpf_probe_read_user_str(&msg.peer_addr, sizeof(msg.peer_addr), paddr);
bpf_usdt_readarg(3, ctx, &pconn_type);
bpf_probe_read_user_str(&msg.peer_conn_type, sizeof(msg.peer_conn_type), pconn_type);
bpf_usdt_readarg(4, ctx, &pconn_type);
bpf_probe_read_user_str(&msg.msg_type, sizeof(msg.msg_type), pmsg_type);
bpf_usdt_readarg(5, ctx, &msg.msg_size);
outbound_messages.perf_submit(ctx, &msg, sizeof(msg));