Documented in 1 files:
Defined in 1 files as a prototype:
Defined in 2 files as a function:
Referenced in 5 files:
- fs/proc/base.c, line 490
- kernel/bpf/stackmap.c, line 488
- kernel/latencytop.c, line 196
- kernel/sched/ext/ext.c, line 6735
- kernel/stacktrace.c
Smatch caller information:
kernel/latencytop.c __account_scheduler_latency() -> stack_trace_save_tsk()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | tsk | 1-u64max |
| PARAM_VALUE | 1 | store | 0 |
| PARAM_VALUE | 2 | size | 12 |
| PARAM_VALUE | 3 | skipnr | 0 |
| BUF_SIZE | 1 | store | 96 |
| DATA_SOURCE | 0 | tsk | $0 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL |
kernel/bpf/stackmap.c get_callchain_entry_for_task() -> stack_trace_save_tsk()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | tsk | 4096-ptr_max |
| PARAM_VALUE | 0 | tsk->stack_refcount.refs.counter | (-1073741824),0-s32max |
| PARAM_VALUE | 2 | size | 0-127 |
| PARAM_VALUE | 3 | skipnr | 0 |
| CAPPED_DATA | 0 | tsk | 1 |
| DATA_SOURCE | 0 | tsk | $0 |
| DATA_SOURCE | 2 | size | $1 |
| PREEMPT_ADD | |||
| HALF_LOCKED2 | rcu_read |
fs/proc/base.c proc_pid_stack() -> stack_trace_save_tsk()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | tsk | 4096-ptr_max |
| PARAM_VALUE | 0 | tsk->alloc_lock.rlock.dep_map->name | 0-255 |
| PARAM_VALUE | 0 | tsk->signal | 4096-ptr_max |
| PARAM_VALUE | 0 | tsk->signal->exec_update_lock.dep_map->name | 0-255 |
| PARAM_VALUE | 0 | tsk->signal->exec_update_lock.first_waiter->handoff_set | 0-1 |
| PARAM_VALUE | 0 | tsk->signal->exec_update_lock.first_waiter->list.next | 2212933610777083904 |
| PARAM_VALUE | 0 | tsk->signal->exec_update_lock.first_waiter->list.prev | 2212933610777083904 |
| PARAM_VALUE | 0 | tsk->signal->exec_update_lock.first_waiter->type | 0-1 |
| PARAM_VALUE | 1 | store | 16,4096-ptr_max |
| PARAM_VALUE | 2 | size | 64 |
| PARAM_VALUE | 3 | skipnr | 0 |
| BUF_SIZE | 1 | store | 8 |
| DATA_SOURCE | 0 | tsk | $3 |
| DATA_SOURCE | 1 | store | r _kmalloc_array_noprof |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | &m->lock | ||
| LOCK2 | 0 | &tsk->signal->exec_update_lock | |
| TYPE_LOCK | (struct seq_file)->lock | ||
| TYPE_LOCK | (struct signal_struct)->exec_update_lock |