Defined in 1 files as a function:
Referenced in 1 files:
Smatch caller information:
kernel/trace/ring_buffer.c ring_buffer_lock_reserve() -> rb_reserve_next_event()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | buffer | 4096-ptr_max |
| PARAM_VALUE | 0 | buffer->buffers | 4096-ptr_max |
| PARAM_VALUE | 0 | buffer->cpumask->bits | 4096-ptr_max |
| PARAM_VALUE | 0 | buffer->record_disabled.counter | 0 |
| PARAM_VALUE | 1 | cpu_buffer | 4096-ptr_max |
| PARAM_VALUE | 1 | cpu_buffer->record_disabled.counter | 0 |
| PARAM_VALUE | 2 | length | 0-u32max |
| CAPPED_DATA | 2 | length | 1 |
| CAPPED_DATA | 2 | length | 1 |
| DATA_SOURCE | 0 | buffer | $0 |
| DATA_SOURCE | 2 | length | $1 |
| STR_LEN | 0 | buffer | (-1),22,29,33,39,59 |
| STR_LEN | 0 | buffer | (-1),22,29,33,39,59 |
| PARAM_COMPARE | 0 | buffer->max_data_size | >= $2 |
| PARAM_COMPARE | 2 | length | <= $0->max_data_size |
| PREEMPT_ADD | <- disables preempt | ||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 2 | length | 12-4114[c] |
| UNITS | 2 | length | unit_byte |
kernel/trace/ring_buffer.c ring_buffer_write() -> rb_reserve_next_event()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | buffer | 4096-ptr_max |
| PARAM_VALUE | 0 | buffer->buffers | 4096-ptr_max |
| PARAM_VALUE | 0 | buffer->cpumask->bits | 4096-ptr_max |
| PARAM_VALUE | 0 | buffer->record_disabled.counter | 0 |
| PARAM_VALUE | 1 | cpu_buffer | 4096-ptr_max |
| PARAM_VALUE | 1 | cpu_buffer->record_disabled.counter | 0 |
| PARAM_VALUE | 2 | length | 0-u32max |
| CAPPED_DATA | 2 | length | 1 |
| CAPPED_DATA | 2 | length | 1 |
| DATA_SOURCE | 0 | buffer | $0 |
| DATA_SOURCE | 2 | length | $1 |
| STR_LEN | 0 | buffer | (-1),22,29,33,39,59 |
| STR_LEN | 0 | buffer | (-1),22,29,33,39,59 |
| PARAM_COMPARE | 0 | buffer->max_data_size | >= $2 |
| PARAM_COMPARE | 2 | length | <= $0->max_data_size |
| PREEMPT_ADD | <- disables preempt | ||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 2 | length | unit_byte |