Defined in 2 files as a function:

Referenced in 2 files:

Smatch caller information:

kernel/trace/trace_printk.c __trace_array_puts() -> ftrace_trace_stack()

Type Parameter Key Value
PARAM_VALUE 0 tr 4096-ptr_max
PARAM_VALUE 0 tr->array_buffer.buffer 4096-ptr_max
PARAM_VALUE 1 buffer 4096-ptr_max
PARAM_VALUE 1 buffer->irq_work.waiters_pending 0
PARAM_VALUE 1 buffer->irq_work.work.node.a_flags.counter 0-s32max
PARAM_VALUE 1 buffer->record_disabled.counter 0
PARAM_VALUE 2 trace_ctx 0-16777215
PARAM_VALUE 3 skip 4
PARAM_VALUE 4 regs 0
CAPPED_DATA 1 buffer 1
DATA_SOURCE 0 tr $0
DATA_SOURCE 2 trace_ctx r tracing_gen_ctx
STR_LEN 0 tr (-1),2,4,7,10-11,13,15-44,46-54,56-57,60-61,63,71,92
STR_LEN 0 tr (-1),2,4,7,10-11,13,15-44,46-54,56-57,60-61,63,71,92
BIT_INFO 0 tr->trace_flags 0x200,0xffffffffffffffff
PREEMPT_ADD <- disables preempt
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

kernel/trace/trace_printk.c __trace_array_vprintk() -> ftrace_trace_stack()

Type Parameter Key Value
PARAM_VALUE 1 buffer 4096-ptr_max
PARAM_VALUE 1 buffer->irq_work.waiters_pending 0
PARAM_VALUE 1 buffer->irq_work.work.node.a_flags.counter 0-s32max
PARAM_VALUE 1 buffer->record_disabled.counter 0
PARAM_VALUE 2 trace_ctx 0-16777215
PARAM_VALUE 3 skip 6
PARAM_VALUE 4 regs 0
CAPPED_DATA 1 buffer 1
DATA_SOURCE 1 buffer $0
DATA_SOURCE 2 trace_ctx r tracing_gen_ctx
STR_LEN 0 tr (-1),11-12,15,21-22,29,33,39,45,59
STR_LEN 1 buffer (-1),11-12,15,21-22,29,33,39,45,59
PREEMPT_ADD <- disables preempt
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

kernel/trace/trace_printk.c __trace_bputs() -> ftrace_trace_stack()

Type Parameter Key Value
PARAM_VALUE 0 tr 4096-ptr_max
PARAM_VALUE 0 tr->array_buffer.buffer 4096-ptr_max
PARAM_VALUE 1 buffer 4096-ptr_max
PARAM_VALUE 1 buffer->irq_work.waiters_pending 0
PARAM_VALUE 1 buffer->irq_work.work.node.a_flags.counter 0-s32max
PARAM_VALUE 1 buffer->record_disabled.counter 0
PARAM_VALUE 2 trace_ctx 0-16777215
PARAM_VALUE 3 skip 4
PARAM_VALUE 4 regs 0
CAPPED_DATA 1 buffer 1
DATA_SOURCE 2 trace_ctx r tracing_gen_ctx
BIT_INFO 0 tr->trace_flags 0x200,0xffffffffffffffff
PREEMPT_ADD <- disables preempt
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2 &ls->ls_mutex
HALF_LOCKED2 &pool->lock
HALF_LOCKED2 &s->s_umount
HALF_LOCKED2 &stp->st_mutex
HALF_LOCKED2 &transport->recv_mutex
HALF_LOCKED2 &xprt->bc_pa_lock
HALF_LOCKED2 &xprt->reserve_lock
HALF_LOCKED2 global &nfs_callback_mutex
HALF_LOCKED2 global &nfsd_mutex
HALF_LOCKED2 global &nlmsvc_mutex
HALF_LOCKED2 global &pernet_ops_rwsem

kernel/trace/trace_printk.c trace_vbprintk() -> ftrace_trace_stack()

Type Parameter Key Value
PARAM_VALUE 0 tr 4096-ptr_max
PARAM_VALUE 0 tr->array_buffer.buffer 4096-ptr_max
PARAM_VALUE 1 buffer 4096-ptr_max
PARAM_VALUE 1 buffer->irq_work.waiters_pending 0
PARAM_VALUE 1 buffer->irq_work.work.node.a_flags.counter 0-s32max
PARAM_VALUE 1 buffer->record_disabled.counter 0
PARAM_VALUE 2 trace_ctx 0-16777215
PARAM_VALUE 3 skip 6
PARAM_VALUE 4 regs 0
CAPPED_DATA 1 buffer 1
DATA_SOURCE 2 trace_ctx r tracing_gen_ctx
PREEMPT_ADD <- disables preempt
NOCHECK_CALL

kernel/trace/trace.c trace_buffer_unlock_commit_regs() -> ftrace_trace_stack()

Type Parameter Key Value
PARAM_VALUE 1 buffer 4096-ptr_max
PARAM_VALUE 1 buffer->irq_work.waiters_pending 0
PARAM_VALUE 1 buffer->irq_work.work.node.a_flags.counter 0-s32max
PARAM_VALUE 3 skip 0,3
CAPPED_DATA 1 buffer 1
DATA_SOURCE 0 tr $0
DATA_SOURCE 1 buffer $1
DATA_SOURCE 2 trace_ctx $3
DATA_SOURCE 4 regs $4
FUZZY_MAX 3 skip 3
HARD_MAX 3 skip 3
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL