Fix table column width; ntohl port numbers.

experimental/example/run.sh

@@ -19,10 +19,6 @@ start_container() {
     done
 }
 
-start_container 1 elasticsearch elasticsearch
-start_container 2 tomwilkie/searchapp searchapp
-start_container 1 redis redis
 start_container 1 tomwilkie/qotd qotd
-start_container 2 tomwilkie/app app
-start_container 2 tomwilkie/frontend frontend --add-host=dns.weave.local:$(weave docker-bridge-ip)
-start_container 1 tomwilkie/client client
+start_container 1 tomwilkie/app app
+

experimental/tracer/ptrace/thread.go

@@ -12,6 +12,7 @@ import (
 const (
 	READ          = 0
 	WRITE         = 1
+	OPEN          = 2
 	CLOSE         = 3
 	STAT          = 4
 	MMAP          = 9
@@ -101,11 +102,18 @@ func (t *thread) syscallStopped() {
 	case SETROBUSTLIST, GETID, MMAP, MPROTECT, MADVISE, SOCKET, CLONE, STAT, SELECT:
 		return
 
+	case OPEN:
+		return
+
 	default:
 		t.logf("syscall(%d)", t.callRegs.Orig_rax)
 	}
 }
 
+func ntohl(b uint16) uint16 {
+	return (b << 8) | ((b & 0xff00) >> 8)
+}
+
 func (t *thread) getSocketAddress(ptr uintptr) (addr net.IP, port uint16, err error) {
 	var (
 		buf  = make([]byte, syscall.SizeofSockaddrAny)
@@ -128,7 +136,7 @@ func (t *thread) getSocketAddress(ptr uintptr) (addr net.IP, port uint16, err er
 	}
 
 	addr = net.IP(sockaddr4.Addr[0:])
-	port = sockaddr4.Port
+	port = ntohl(sockaddr4.Port)
 	return
 }
 

experimental/tracer/ui/index.html

@@ -273,8 +273,15 @@
               <span class="fa fa-stop" aria-hidden="true"></span> Stop</button>
           </div>
 
-          <table class="table table-striped table-sm">
-            <thead><tr><th>Start time</th><th>Duration</th><th>PID<th>From</th><th>To</th><th>Sub-traces</th></tr></thead>
+          <table class="table table-sm">
+            <thead><tr>
+              <th width="25%">Start time</th>
+              <th width="15%">Duration</th>
+              <th width="15%">PID</th>
+              <th width="15%">From</th>
+              <th width="15%">To</th>
+              <th width="15%">Sub-traces</th>
+            </tr></thead>
             <tbody>
           {{>traces traces}}
             </tbody>