changed key struct to data as requested

yezhengmao1 · Feb 12, 2016 · 79f3c34 · 79f3c34
1 parent 6e789ab
commit 79f3c34
Showing 1 changed file with 14 additions and 14 deletions.
diff --git a/tools/biosnoop.py b/tools/biosnoop.py
@@ -28,7 +28,7 @@
  char name[TASK_COMM_LEN];
 };
 
-struct key_t {
+struct data_t {
  u32 pid;
  u64 rwflag;
  u64 delta;
@@ -72,7 +72,7 @@
  u64 *tsp, delta;
  u32 *pidp = 0;
  struct val_t *valp;
- struct key_t key ={};
+ struct data_t data ={};
  u64 ts;
 
  // fetch timestamp and calculate delta
@@ -82,28 +82,28 @@
  return 0;
  }
  ts = bpf_ktime_get_ns();
- key.delta = ts - *tsp;
- key.ts = ts / 1000;
+ data.delta = ts - *tsp;
+ data.ts = ts / 1000;
 
  valp = infobyreq.lookup(&req);
  if (valp == 0) {
- key.len = req->__data_len;
- strcpy(key.name,"?");
+ data.len = req->__data_len;
+ strcpy(data.name,"?");
  } else {
- key.pid = valp->pid;
- key.len = req->__data_len;
- key.sector = req->__sector;
- bpf_probe_read(&key.name, sizeof(key.name), valp->name);
- bpf_probe_read(&key.disk_name, sizeof(key.disk_name),
+ data.pid = valp->pid;
+ data.len = req->__data_len;
+ data.sector = req->__sector;
+ bpf_probe_read(&data.name, sizeof(data.name), valp->name);
+ bpf_probe_read(&data.disk_name, sizeof(data.disk_name),
  req->rq_disk->disk_name);
  }
 
  if (req->cmd_flags & REQ_WRITE) {
- key.rwflag=1;
+ data.rwflag=1;
  } else {
- key.rwflag=0;
+ data.rwflag=0;
  }
- events.perf_submit(ctx,&key,sizeof(key));
+ events.perf_submit(ctx,&data,sizeof(data));
  start.delete(&req);
  infobyreq.delete(&req);