bfin-4845/trace.i.2

   1 typedef unsigned long size_t;
   2 typedef long ssize_t;
   3 typedef long long loff_t;
   4 int __test_bit(int nr, const void *addr)
   5 {
   6         int *a = (int *)addr;
   7         int mask;
   8         a += nr >> 5;
   9         mask = 1 << (nr & 0x1f);
  10         return ((mask & *a) != 0);
  11 }
  12 int test_bit(int nr, const void *addr)
  13 {
  14         return __test_bit(nr, addr);
  15 };
  16 typedef struct {
  17 } atomic_t;
  18 struct mutex {
  19         atomic_t count;
  20         void *magic;
  21 };
  22 typedef struct cpumask {
  23         unsigned long
  24             bits[(((1) + (8 * sizeof(long)) - 1) / (8 * sizeof(long)))];
  25 } cpumask_t;
  26 struct seq_file {
  27 };
  28 typedef int (*initcall_t) (void);
  29 struct file_operations {
  30         ssize_t(*read) (struct file *, char *, size_t, loff_t *);
  31         ssize_t(*write) (struct file *, const char *, size_t, loff_t *);
  32         int (*open) (struct inode *, struct file *);
  33 } sigval_t;
  34 struct trace_array_cpu {
  35         atomic_t disabled;
  36 };
  37 struct trace_array {
  38         struct trace_array_cpu *data[1];
  39 };
  40 cpumask_t tracing_buffer_mask;
  41 struct trace_array global_trace;
  42 cpumask_t tracing_cpumask;
  43 cpumask_t tracing_cpumask_new;
  44 struct mutex tracing_cpumask_update_lock;
  45 ssize_t tracing_cpumask_read(struct file *filp, char *ubuf, size_t count,
  46                                     loff_t * ppos)
  47 {
  48 }
  49 ssize_t tracing_cpumask_write(struct file *filp, const char *ubuf,
  50                                      size_t count, loff_t * ppos)
  51 {
  52         int err, cpu;
  53         for ((cpu) = 0; (cpu) < 1; (cpu)++, (void)tracing_buffer_mask) {
  54                 if (test_bit((cpu), (tracing_cpumask).bits)
  55                     && !test_bit((cpu), (tracing_cpumask_new).bits)) {
  56                         atomic_inc(&global_trace.data[cpu]->disabled);
  57                 }
  58                 if (!test_bit((cpu), (tracing_cpumask).bits)
  59                     && test_bit((cpu), (tracing_cpumask_new).bits)) {
  60                         atomic_dec(&global_trace.data[cpu]->disabled);
  61                 }
  62         }
  63 }
  64 struct file_operations tracing_cpumask_fops;
  65 tracer_init_debugfs()
  66 {
  67         debugfs_create_file(
  68                                 &tracing_cpumask_fops);
  69 }
  70 initcall_t __initcall_tracer_init_debugfs5 = tracer_init_debugfs;