librdmacm/cmtime: Change how test iteration stages are tracked

Replace the started != completed syntax with a simpler check that
completed != iterations to perform.  This removes the started
variable.

Signed-off-by: Sean Hefty <[email protected]>

librdmacm/examples/cmtime.c

@@ -132,7 +132,6 @@ static uint64_t times[STEP_CNT][2];
 static int connections;
 static volatile int disc_events;
 
-static volatile int started[STEP_CNT];
 static volatile int completed[STEP_CNT];
 
 static struct ibv_pd *pd;
@@ -376,8 +375,6 @@ static void connect_qp(struct node *n)
  n->error = 1;
  return;
  }
-
- started[STEP_CONNECT]++;
 }
 
 static void addr_handler(struct node *n)
@@ -670,7 +667,6 @@ static void reset_test(int iter)
  connections = iter;
 
  memset(times, 0, sizeof times);
- memset((void *) started, 0, sizeof started);
  memset((void *) completed, 0, sizeof completed);
  memset(nodes, 0, sizeof(*nodes) * iter);
 }
@@ -745,9 +741,8 @@ static int client_connect(int iter)
  nodes[i].error = 1;
  continue;
  }
- started[STEP_RESOLVE_ADDR]++;
  }
- while (started[STEP_RESOLVE_ADDR] != completed[STEP_RESOLVE_ADDR])
+ while (completed[STEP_RESOLVE_ADDR] != iter)
  sched_yield();
  end_time(STEP_RESOLVE_ADDR);
 
@@ -764,9 +759,8 @@ static int client_connect(int iter)
  nodes[i].error = 1;
  continue;
  }
- started[STEP_RESOLVE_ROUTE]++;
  }
- while (started[STEP_RESOLVE_ROUTE] != completed[STEP_RESOLVE_ROUTE])
+ while (completed[STEP_RESOLVE_ROUTE] != iter)
  sched_yield();
  end_time(STEP_RESOLVE_ROUTE);
 
@@ -799,7 +793,7 @@ static int client_connect(int iter)
  continue;
  connect_qp(&nodes[i]);
  }
- while (started[STEP_CONNECT] != completed[STEP_CONNECT])
+ while (completed[STEP_CONNECT] != iter)
  sched_yield();
  end_time(STEP_CONNECT);
  end_time(STEP_FULL_CONNECT);
@@ -811,9 +805,8 @@ static int client_connect(int iter)
  continue;
  start_perf(&nodes[i], STEP_DISCONNECT);
  rdma_disconnect(nodes[i].id);
- started[STEP_DISCONNECT]++;
  }
- while (started[STEP_DISCONNECT] != completed[STEP_DISCONNECT])
+ while (completed[STEP_DISCONNECT] != iter)
  sched_yield();
  end_time(STEP_DISCONNECT);