Documented in 1 files:
Defined in 1 files as a prototype:
Defined in 1 files as a function:
Referenced in 6 files:
- kernel/trace/ring_buffer.c
- kernel/trace/ring_buffer_benchmark.c, line 91
- kernel/trace/trace.c, line 2687
- kernel/trace/trace_functions_graph.c, line 664
- kernel/trace/trace_remote.c, line 556
- kernel/trace/trace_selftest.c, line 33
Smatch caller information:
kernel/trace/trace_remote.c trace_remote_iter_move() -> ring_buffer_consume()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 1 | cpu | 0-s32max |
| PARAM_VALUE | 2 | ts | 0 |
| PARAM_VALUE | 3 | lost_events | 0 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| HALF_LOCKED2 | &iter->remote->reader_lock | ||
| HALF_LOCKED2 | &m->lock |
kernel/trace/ring_buffer_benchmark.c read_event() -> ring_buffer_consume()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 1 | cpu | 0-64 |
| PARAM_VALUE | 2 | ts | 9107428254103146496 |
| PARAM_VALUE | 3 | lost_events | 0 |
| CAPPED_DATA | 1 | cpu | 1 |
| DATA_SOURCE | 1 | cpu | $0 |
| CONSTRAINT | 1 | cpu | <3035 |
kernel/trace/trace.c trace_consume() -> ring_buffer_consume()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 2 | ts | 4096-ptr_max |
| PARAM_VALUE | 3 | lost_events | 4096-ptr_max |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| HALF_LOCKED2 | &iter->mutex | ||
| HALF_LOCKED2 | _T->lock | ||
| HALF_LOCKED2 | flags | ||
| HALF_LOCKED2 | global &all_cpu_access_lock | ||
| HALF_LOCKED2 | global &trace_event_sem |
kernel/trace/trace.c trace_test_buffer_cpu() -> ring_buffer_consume()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | buffer | 4096-ptr_max |
| PARAM_VALUE | 1 | cpu | 0-64 |
| PARAM_VALUE | 2 | ts | 0 |
| PARAM_VALUE | 3 | lost_events | 0 |
| CAPPED_DATA | 1 | cpu | 1 |
| DATA_SOURCE | 1 | cpu | $1 |
| CONSTRAINT | 1 | cpu | <3035 |
| LOCK2 | flags | ||
| HALF_LOCKED2 | _T->lock | ||
| HALF_LOCKED2 | global &trace_types_lock |
kernel/trace/trace.c trace_test_buffer_cpu() -> ring_buffer_consume()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | buffer | 4096-ptr_max |
| PARAM_VALUE | 0 | buffer->cpumask->bits | 4096-ptr_max |
| PARAM_VALUE | 1 | cpu | 0-64 |
| PARAM_VALUE | 2 | ts | 0 |
| PARAM_VALUE | 3 | lost_events | 0 |
| CAPPED_DATA | 1 | cpu | 1 |
| DATA_SOURCE | 1 | cpu | $1 |
| CONSTRAINT | 1 | cpu | <3035 |
| LOCK2 | flags | ||
| HALF_LOCKED2 | _T->lock | ||
| HALF_LOCKED2 | global &trace_types_lock |
kernel/trace/ring_buffer.c test_ringbuffer() -> ring_buffer_consume()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | buffer | 4096-ptr_max |
| PARAM_VALUE | 0 | buffer->record_disabled.counter | 0-s32max |
| PARAM_VALUE | 1 | cpu | 0-63 |
| PARAM_VALUE | 2 | ts | 0 |
| PARAM_VALUE | 3 | lost_events | 6781752264463552512 |
| CAPPED_DATA | 1 | cpu | 1 |
| DATA_SOURCE | 0 | buffer | r __ring_buffer_alloc |
| DATA_SOURCE | 1 | cpu | r find_next_bit |
| CONSTRAINT | 1 | cpu | <3035 |
kernel/trace/ring_buffer.c test_ringbuffer() -> ring_buffer_consume()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | buffer | 4096-ptr_max |
| PARAM_VALUE | 0 | buffer->cpumask->bits | 4096-ptr_max |
| PARAM_VALUE | 0 | buffer->record_disabled.counter | 0-s32max |
| PARAM_VALUE | 1 | cpu | 0-63 |
| PARAM_VALUE | 2 | ts | 0 |
| PARAM_VALUE | 3 | lost_events | 6781752264463552512 |
| PARAM_VALUE | 3 | *lost_events | 0-s32max,18446744071562067968-u64max |
| CAPPED_DATA | 1 | cpu | 1 |
| DATA_SOURCE | 0 | buffer | r __ring_buffer_alloc |
| DATA_SOURCE | 1 | cpu | r find_next_bit |
| CONSTRAINT | 1 | cpu | <3035 |
kernel/trace/trace_functions_graph.c get_return_for_leaf() -> ring_buffer_consume()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 2 | ts | 0 |
| PARAM_VALUE | 3 | lost_events | 0 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| USER_DATA | 1 | cpu | 0-8191 |
| HALF_LOCKED2 | &iter->mutex | ||
| HALF_LOCKED2 | flags |