Documented in 1 files:
Defined in 1 files as a prototype:
Defined in 1 files as a function:
Referenced in 3 files:
Smatch caller information:
kernel/trace/trace_remote.c trace_remote_iter_read_event() -> ring_buffer_empty_cpu()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 1 | cpu | s32min-(-2),0-s32max |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &iter->remote->reader_lock | ||
| HALF_LOCKED2 | &m->lock |
kernel/trace/trace_remote.c trace_remote_iter_read_event() -> ring_buffer_empty_cpu()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 1 | cpu | 0-64 |
| CAPPED_DATA | 1 | cpu | 1 |
| DATA_SOURCE | 1 | cpu | r find_next_bit |
| CONSTRAINT | 1 | cpu | <3035 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &iter->remote->reader_lock | ||
| HALF_LOCKED2 | &m->lock |
kernel/trace/trace.c __find_next_entry() -> ring_buffer_empty_cpu()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 1 | cpu | 0-s32max |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 1 | cpu | 0-8191 |
| 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.c __find_next_entry() -> ring_buffer_empty_cpu()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 1 | cpu | 0-64 |
| CAPPED_DATA | 1 | cpu | 1 |
| DATA_SOURCE | 1 | cpu | r find_next_bit |
| CONSTRAINT | 1 | cpu | <3035 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| 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.c trace_empty() -> ring_buffer_empty_cpu()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 1 | cpu | s32min-(-2),0-s32max |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &iter->mutex | ||
| HALF_LOCKED2 | &m->lock | ||
| HALF_LOCKED2 | &s->lock | ||
| HALF_LOCKED2 | _T->lock | ||
| HALF_LOCKED2 | flags |
kernel/trace/trace.c trace_empty() -> ring_buffer_empty_cpu()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 1 | cpu | 0-64 |
| CAPPED_DATA | 1 | cpu | 1 |
| DATA_SOURCE | 1 | cpu | r find_next_bit |
| CONSTRAINT | 1 | cpu | <3035 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &iter->mutex | ||
| HALF_LOCKED2 | &m->lock | ||
| HALF_LOCKED2 | &s->lock | ||
| HALF_LOCKED2 | _T->lock | ||
| HALF_LOCKED2 | flags |
kernel/trace/ring_buffer.c rb_watermark_hit() -> ring_buffer_empty_cpu()
| 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 | 1 | cpu | 0-s32max |
| DATA_SOURCE | 0 | buffer | $0 |
| DATA_SOURCE | 1 | cpu | $1 |
| RX_PATH | |||
| TASK_NOT_RUNNING |
kernel/trace/ring_buffer.c ring_buffer_poll_wait() -> ring_buffer_empty_cpu()
| 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 | 1 | cpu | 0-s32max |
| DATA_SOURCE | 0 | buffer | $0 |
| DATA_SOURCE | 1 | cpu | $1 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &kvm->irq_srcu | ||
| HALF_LOCKED2 | &of->mutex | ||
| HALF_LOCKED2 | &vm->irqfds_lock | ||
| HALF_LOCKED2 | global &irqfds_srcu |