Documented in 1 files:
Defined in 1 files as a function:
Referenced in 5 files:
- include/linux/ring_buffer.h, line 151
- kernel/trace/ring_buffer.c, line 6117
- kernel/trace/trace.c, line 2354
- kernel/trace/trace_functions_graph.c, line 666
- kernel/trace/trace_remote.c, line 489
Smatch caller information:
kernel/trace/trace_remote.c __peek_event() -> ring_buffer_peek()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 1 | cpu | 0-s32max |
| PARAM_VALUE | 2 | ts | 4096-ptr_max |
| PARAM_VALUE | 3 | lost_events | 4096-ptr_max |
| CAPPED_DATA | 1 | cpu | 1 |
| DATA_SOURCE | 1 | cpu | $1 |
| DATA_SOURCE | 2 | ts | $2 |
| DATA_SOURCE | 3 | lost_events | $3 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &iter->remote->reader_lock | ||
| HALF_LOCKED2 | &m->lock |
kernel/trace/trace.c peek_next_entry() -> ring_buffer_peek()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 1 | cpu | 0-s32max |
| PARAM_VALUE | 2 | ts | 4096-ptr_max |
| PARAM_VALUE | 3 | lost_events | 0,4096-ptr_max |
| CAPPED_DATA | 1 | cpu | 1 |
| DATA_SOURCE | 1 | cpu | $1 |
| DATA_SOURCE | 2 | ts | $2 |
| DATA_SOURCE | 3 | lost_events | $3 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 1 | cpu | 0-8191[c] |
| HALF_LOCKED2 | &iter->mutex | ||
| HALF_LOCKED2 | &m->lock | ||
| HALF_LOCKED2 | _T->lock | ||
| HALF_LOCKED2 | flags | ||
| HALF_LOCKED2 | global &all_cpu_access_lock | ||
| HALF_LOCKED2 | global &trace_event_sem |
kernel/trace/trace_functions_graph.c get_return_for_leaf() -> ring_buffer_peek()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | buffer | 4096-ptr_max |
| PARAM_VALUE | 0 | buffer->cpumask->bits | 4096-ptr_max |
| PARAM_VALUE | 1 | cpu | 0-s32max |
| PARAM_VALUE | 2 | ts | 0 |
| PARAM_VALUE | 3 | lost_events | 0 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 1 | cpu | 0-8191 |
| HALF_LOCKED2 | &iter->mutex | ||
| HALF_LOCKED2 | flags |