Defined in 1 files as a function:
Referenced in 1 files:
Smatch caller information:
kernel/trace/ring_buffer.c rb_iter_peek() -> rb_per_cpu_empty()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | cpu_buffer | 4096-ptr_max |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | &cpu_buffer->reader_lock | ||
| LOCK2 | flags | ||
| TYPE_LOCK | (struct ring_buffer_per_cpu)->reader_lock |
kernel/trace/ring_buffer.c ring_buffer_empty() -> rb_per_cpu_empty()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | cpu_buffer | 4096-ptr_max |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | flags | ||
| HALF_LOCKED2 | _T->lock | ||
| HALF_LOCKED2 | 0 | &cpu_buffer->reader_lock |
kernel/trace/ring_buffer.c ring_buffer_empty_cpu() -> rb_per_cpu_empty()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | cpu_buffer | 4096-ptr_max |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | flags | ||
| HALF_LOCKED2 | 0 | &cpu_buffer->reader_lock |
kernel/trace/ring_buffer.c ring_buffer_map_get_reader() -> rb_per_cpu_empty()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | cpu_buffer | 4096-ptr_max |
| DATA_SOURCE | 0 | cpu_buffer | r rb_get_mapped_buffer |
| PREEMPT_ADD | <- disables preempt | ||
| LOCK2 | flags | ||
| LOCK2 | 0 | &cpu_buffer->reader_lock | |
| TYPE_LOCK | (struct ring_buffer_per_cpu)->reader_lock |