Defined in 1 files as a function:
Referenced in 1 files:
Smatch caller information:
kernel/trace/trace.c enable_instances() -> update_last_data()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | tr | 4096-ptr_max |
| PARAM_VALUE | 0 | tr->boot_events | 4096-ptr_max |
| PARAM_VALUE | 0 | tr->dir->d_inode->i_rwsem.first_waiter->handoff_set | 0-1 |
| PARAM_VALUE | 0 | tr->dir->d_inode->i_rwsem.first_waiter->type | 0-1 |
| PARAM_VALUE | 0 | tr->flags | 4-u32max |
| PARAM_VALUE | 0 | *tr->boot_events | 1-255 |
| PARAM_VALUE | 0 | *tr->trace_flags_index | 0-255 |
| BIT_INFO | 0 | tr->flags | 0x4,0xffffffff |
| NOCHECK_CALL | |||
| USER_DATA | 0 | tr->array_buffer.tr->range_addr_size | 1-u64max[c] |
| USER_DATA | 0 | tr->snapshot_buffer.tr->range_addr_size | 1-u64max[c] |
kernel/trace/trace.c tracing_set_tracer() -> update_last_data()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | tr->dir->d_inode->i_rwsem.first_waiter->handoff_set | 0-1 |
| PARAM_VALUE | 0 | tr->dir->d_inode->i_rwsem.first_waiter->type | 0-1 |
| BUF_SIZE | 0 | tr | s32min-(-1),1-s32max |
| BUF_SIZE | 0 | tr | s32min-(-1),1-s32max |
| DATA_SOURCE | 0 | tr | $0 |
| STR_LEN | 0 | tr | (-1),99 |
| STR_LEN | 0 | tr | (-1),99 |
| NOCHECK_CALL | |||
| NO_OVERFLOW_SIMPLE | 0 | tr->array_buffer.tr->range_addr_size | |
| NO_OVERFLOW_SIMPLE | 0 | tr->range_addr_size | |
| NO_OVERFLOW_SIMPLE | 0 | tr->snapshot_buffer.tr->range_addr_size | |
| LOCK2 | _T->lock |
kernel/trace/trace.c tracing_update_buffers() -> update_last_data()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | tr | 1-u64max |
| BUF_SIZE | 0 | tr | s32min-(-1),1-s32max |
| BUF_SIZE | 0 | tr | s32min-(-1),1-s32max |
| DATA_SOURCE | 0 | tr | $0 [m] |
| NOCHECK_CALL | |||
| UNITS | 0 | tr | unit_array_size |
| LOCK2 | _T->lock |
kernel/trace/trace.c update_last_data_if_empty() -> update_last_data()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | tr | 4096-ptr_max |
| PARAM_VALUE | 0 | tr->array_buffer.buffer | 4096-ptr_max |
| PARAM_VALUE | 0 | tr->flags | 4-u32max |
| BUF_SIZE | 0 | tr | s32min-(-1),1-s32max |
| BUF_SIZE | 0 | tr | s32min-(-1),1-s32max |
| BUF_SIZE | 0 | tr->current_trace | (-1),168 |
| BUF_SIZE | 0 | tr->module_delta | (-1),16-s32max |
| DATA_SOURCE | 0 | tr | $0 |
| STR_LEN | 0 | tr | (-1),6,99 |
| STR_LEN | 0 | tr | (-1),6,99 |
| STR_LEN | 0 | tr->current_trace->name | (-1),99 |
| BIT_INFO | 0 | tr->flags | 0x4,0xffffffff |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| USER_DATA | 0 | tr->range_addr_size | 1-u64max[c] |
| NO_OVERFLOW_SIMPLE | 0 | tr->array_buffer.tr->range_addr_size | |
| NO_OVERFLOW_SIMPLE | 0 | tr->range_addr_size | |
| NO_OVERFLOW_SIMPLE | 0 | tr->snapshot_buffer.tr->range_addr_size | |
| UNITS | 0 | tr | unit_array_size |
| HALF_LOCKED2 | _T->lock |