)]}'
{
  "commit": "567cd4da54ff45513d2ca1f0e3cb9ba45b66d6cf",
  "tree": "1a9e719a31643138fa76ecf556401fee1f536813",
  "parents": [
    "897f68a48b1f8fb6cb7493e1ee37e3ed7f879937"
  ],
  "author": {
    "name": "Steven Rostedt",
    "email": "srostedt@redhat.com",
    "time": "Fri Nov 02 18:33:05 2012 -0400"
  },
  "committer": {
    "name": "Steven Rostedt",
    "email": "rostedt@goodmis.org",
    "time": "Tue Jan 22 23:38:03 2013 -0500"
  },
  "message": "ring-buffer: User context bit recursion checking\n\nUsing context bit recursion checking, we can help increase the\nperformance of the ring buffer.\n\nBefore this patch:\n\n # echo function \u003e /debug/tracing/current_tracer\n # for i in `seq 10`; do ./hackbench 50; done\nTime: 10.285\nTime: 10.407\nTime: 10.243\nTime: 10.372\nTime: 10.380\nTime: 10.198\nTime: 10.272\nTime: 10.354\nTime: 10.248\nTime: 10.253\n\n(average: 10.3012)\n\nNow we have:\n\n # echo function \u003e /debug/tracing/current_tracer\n # for i in `seq 10`; do ./hackbench 50; done\nTime: 9.712\nTime: 9.824\nTime: 9.861\nTime: 9.827\nTime: 9.962\nTime: 9.905\nTime: 9.886\nTime: 10.088\nTime: 9.861\nTime: 9.834\n\n(average: 9.876)\n\n a 4% savings!\n\nSigned-off-by: Steven Rostedt \u003crostedt@goodmis.org\u003e\n",
  "tree_diff": [
    {
      "type": "modify",
      "old_id": "6ff9cc4658ed7061c9424fa2d5da166b0bf6deb1",
      "old_mode": 33188,
      "old_path": "kernel/trace/ring_buffer.c",
      "new_id": "481e2626928102bacae3cc1a16a7b6b4ea51f4c0",
      "new_mode": 33188,
      "new_path": "kernel/trace/ring_buffer.c"
    },
    {
      "type": "modify",
      "old_id": "c203a51dd41215d052256ee93071d785e69e88a2",
      "old_mode": 33188,
      "old_path": "kernel/trace/trace.h",
      "new_id": "04a2c7ab1735b583bd3cf0c0bc1cfe581a611cb6",
      "new_mode": 33188,
      "new_path": "kernel/trace/trace.h"
    }
  ]
}