tcpconnect: Remove unnecessary bpf_probe_read calls

tkuburic · May 5, 2018 · a114016 · a114016
1 parent f1e9abe
commit a114016
Showing 1 changed file with 3 additions and 5 deletions.
diff --git a/tools/old/tcpconnect.py b/tools/old/tcpconnect.py
@@ -75,12 +75,10 @@
  struct sock *skp = *skpp;
  u32 saddr = 0, daddr = 0;
  u16 dport = 0;
- bpf_probe_read(&dport, sizeof(dport), &skp->__sk_common.skc_dport);
+ dport = skp->__sk_common.skc_dport;
  if (ipver == 4) {
- bpf_probe_read(&saddr, sizeof(saddr),
- &skp->__sk_common.skc_rcv_saddr);
- bpf_probe_read(&daddr, sizeof(daddr),
- &skp->__sk_common.skc_daddr);
+ saddr = skp->__sk_common.skc_rcv_saddr;
+ daddr = skp->__sk_common.skc_daddr;
 
  // output
  bpf_trace_printk("4 %x %x %d\\n", saddr, daddr, ntohs(dport));