ring_buffer_event_data identifier - Linux source code next-20260811

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linux

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FIXME
- FIXME
  - next-20260811

Documented in 1 files:

kernel/trace/ring_buffer.c, line 294

Defined in 1 files as a prototype:

include/linux/ring_buffer.h, line 65 (as a prototype)

Defined in 1 files as a function:

kernel/trace/ring_buffer.c, line 298 (as a function)

Referenced in 18 files:

Smatch caller information:

kernel/trace/trace_mmiotrace.c __trace_mmiotrace_map() -> ring_buffer_event_data()

Type	Parameter	Key	Value
PARAM_VALUE	0	event	4096-ptr_max
DATA_SOURCE	0	event	r trace_buffer_lock_reserve
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2		global &trace_lock
LOCK2		irq

kernel/trace/trace_mmiotrace.c __trace_mmiotrace_rw() -> ring_buffer_event_data()

Type	Parameter	Key	Value
PARAM_VALUE	0	event	4096-ptr_max
DATA_SOURCE	0	event	r trace_buffer_lock_reserve
PREEMPT_ADD

kernel/trace/trace_fprobe.c __fentry_trace_func() -> ring_buffer_event_data()

Type	Parameter	Key	Value
PARAM_VALUE	0	event	4096-ptr_max
PARAM_VALUE	0	event->type_len	0-29
LOCK2		rcu_read

kernel/trace/trace_fprobe.c __fexit_trace_func() -> ring_buffer_event_data()

Type	Parameter	Key	Value
PARAM_VALUE	0	event	4096-ptr_max
PARAM_VALUE	0	event->type_len	0-29

kernel/trace/trace_syscalls.c ftrace_syscall_enter() -> ring_buffer_event_data()

Type	Parameter	Key	Value
PARAM_VALUE	0	event	4096-ptr_max
PARAM_VALUE	0	event->type_len	0-29
PREEMPT_ADD			<- disables preempt

kernel/trace/trace_syscalls.c ftrace_syscall_exit() -> ring_buffer_event_data()

Type	Parameter	Key	Value
PARAM_VALUE	0	event	4096-ptr_max
PARAM_VALUE	0	event->type_len	0-29
PREEMPT_ADD			<- disables preempt

kernel/trace/trace_osnoise.c __record_osnoise_sample() -> ring_buffer_event_data()

Type	Parameter	Key	Value
PARAM_VALUE	0	event	4096-ptr_max
DATA_SOURCE	0	event	r trace_buffer_lock_reserve
LOCK2		rcu_read

kernel/trace/trace_osnoise.c __record_timerlat_sample() -> ring_buffer_event_data()

Type	Parameter	Key	Value
PARAM_VALUE	0	event	4096-ptr_max
DATA_SOURCE	0	event	r trace_buffer_lock_reserve
RX_PATH
TASK_NOT_RUNNING
LOCK2		rcu_read

kernel/trace/trace_osnoise.c __timerlat_dump_stack() -> ring_buffer_event_data()

Type	Parameter	Key	Value
PARAM_VALUE	0	event	4096-ptr_max
DATA_SOURCE	0	event	r trace_buffer_lock_reserve
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2		rcu_read

kernel/trace/trace_remote.c trace_remote_iter_read_event() -> ring_buffer_event_data()

Type	Parameter	Key	Value
PARAM_VALUE	0	event	4096-ptr_max
DATA_SOURCE	0	event	r __peek_event
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_event_data()

Type	Parameter	Key	Value
PARAM_VALUE	0	event	4096-ptr_max
DATA_SOURCE	0	event	r __peek_event
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&iter->remote->reader_lock
HALF_LOCKED2		&m->lock

kernel/trace/blktrace.c __blk_add_trace() -> ring_buffer_event_data()

Type	Parameter	Key	Value
PARAM_VALUE	0	event	4096-ptr_max
DATA_SOURCE	0	event	r trace_buffer_lock_reserve
LOCK2		rcu_read

kernel/trace/blktrace.c __blk_add_trace() -> ring_buffer_event_data()

Type	Parameter	Key	Value
PARAM_VALUE	0	event	4096-ptr_max
DATA_SOURCE	0	event	r trace_buffer_lock_reserve
LOCK2		rcu_read

kernel/trace/blktrace.c trace_note() -> ring_buffer_event_data()

Type	Parameter	Key	Value
PARAM_VALUE	0	event	4096-ptr_max
DATA_SOURCE	0	event	r trace_buffer_lock_reserve
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&q->debugfs_mutex
HALF_LOCKED2		flags
HALF_LOCKED2		global &running_trace_lock
HALF_LOCKED2		rcu_read

kernel/trace/ring_buffer_benchmark.c read_event() -> ring_buffer_event_data()

Type	Key	Value
PARAM_VALUE	event	4096-ptr_max
PARAM_VALUE	event->type_len	0-28
DATA_SOURCE	event	r ring_buffer_consume

kernel/trace/ring_buffer_benchmark.c read_page() -> ring_buffer_event_data()

Type	Parameter	Key	Value
PARAM_VALUE	0	event	4096-ptr_max
PARAM_VALUE	0	event->type_len	0

kernel/trace/ring_buffer_benchmark.c read_page() -> ring_buffer_event_data()

Type	Parameter	Key	Value
PARAM_VALUE	0	event	4096-ptr_max
PARAM_VALUE	0	event->type_len	1-28,31

kernel/trace/ring_buffer_benchmark.c ring_buffer_producer() -> ring_buffer_event_data()

Type	Parameter	Key	Value
PARAM_VALUE	0	event	4096-ptr_max
PARAM_VALUE	0	event->type_len	0-28
DATA_SOURCE	0	event	r ring_buffer_lock_reserve
PREEMPT_ADD			<- disables preempt

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

Type	Parameter	Key	Value
PARAM_VALUE	0	event	4096-ptr_max
PARAM_VALUE	0	event->type_len	0-29
DATA_SOURCE	0	event	r __trace_buffer_lock_reserve
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING

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

Type	Parameter	Key	Value
PARAM_VALUE	0	event	4096-ptr_max
PARAM_VALUE	0	event->type_len	0-29
DATA_SOURCE	0	event	r __trace_buffer_lock_reserve
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING

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

Type	Parameter	Key	Value
PARAM_VALUE	0	event	4096-ptr_max
PARAM_VALUE	0	event->type_len	0-29
DATA_SOURCE	0	event	r __trace_buffer_lock_reserve
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
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_event_setup() -> ring_buffer_event_data()

Type	Parameter	Key	Value
PARAM_VALUE	0	event	4096-ptr_max
PARAM_VALUE	0	event->type_len	0-28
DATA_SOURCE	0	event	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING

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

Type	Parameter	Key	Value
PARAM_VALUE	0	event	4096-ptr_max
PARAM_VALUE	0	event->type_len	0-29
DATA_SOURCE	0	event	r __trace_buffer_lock_reserve
PREEMPT_ADD			<- disables preempt

kernel/trace/trace.c __ftrace_trace_stack() -> ring_buffer_event_data()

Type	Parameter	Key	Value
PARAM_VALUE	0	event	4096-ptr_max
PARAM_VALUE	0	event->type_len	0-29
DATA_SOURCE	0	event	r __trace_buffer_lock_reserve
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING

kernel/trace/trace.c ftrace_trace_userstack() -> ring_buffer_event_data()

Type	Parameter	Key	Value
PARAM_VALUE	0	event	4096-ptr_max
PARAM_VALUE	0	event->type_len	0-29
DATA_SOURCE	0	event	r __trace_buffer_lock_reserve
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING

kernel/trace/trace.c peek_next_entry() -> ring_buffer_event_data()

Type	Parameter	Key	Value
PARAM_VALUE	0	event	4096-ptr_max
PARAM_VALUE	0	event->type_len	0-28
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_event_setup() -> ring_buffer_event_data()

Type	Parameter	Key	Value
DATA_SOURCE	0	event	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
USER_DATA	0	event->type_len	0-28[c]

kernel/trace/trace.c trace_function() -> ring_buffer_event_data()

Type	Parameter	Key	Value
PARAM_VALUE	0	event	4096-ptr_max
PARAM_VALUE	0	event->type_len	0-29
DATA_SOURCE	0	event	r __trace_buffer_lock_reserve
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		flags

kernel/trace/trace.c trace_last_func_repeats() -> ring_buffer_event_data()

Type	Parameter	Key	Value
PARAM_VALUE	0	event	4096-ptr_max
PARAM_VALUE	0	event->type_len	0-29
DATA_SOURCE	0	event	r __trace_buffer_lock_reserve
PREEMPT_ADD			<- disables preempt
HALF_LOCKED2		flags

kernel/trace/trace.c trace_process_export() -> ring_buffer_event_data()

Type	Parameter	Key	Value
DATA_SOURCE	0	event	$1
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING

kernel/trace/trace.c trace_test_buffer_cpu() -> ring_buffer_event_data()

Type	Parameter	Key	Value
PARAM_VALUE	0	event	4096-ptr_max
PARAM_VALUE	0	event->type_len	0-28
DATA_SOURCE	0	event	r ring_buffer_consume
LOCK2		flags
HALF_LOCKED2		_T->lock
HALF_LOCKED2		global &trace_types_lock

kernel/trace/trace.c write_marker_to_buffer() -> ring_buffer_event_data()

Type	Parameter	Key	Value
PARAM_VALUE	0	event	4096-ptr_max
PARAM_VALUE	0	event->type_len	0-29
DATA_SOURCE	0	event	r __trace_buffer_lock_reserve
PREEMPT_ADD			<- disables preempt
HALF_LOCKED2		rcu_read

kernel/trace/trace.c write_raw_marker_to_buffer() -> ring_buffer_event_data()

Type	Parameter	Key	Value
PARAM_VALUE	0	event	4096-ptr_max
PARAM_VALUE	0	event->type_len	0-29
DATA_SOURCE	0	event	r __trace_buffer_lock_reserve
PREEMPT_ADD			<- disables preempt
HALF_LOCKED2		rcu_read

kernel/trace/ring_buffer.c rb_write_something() -> ring_buffer_event_data()

Type	Parameter	Key	Value
PARAM_VALUE	0	event	4096-ptr_max
PARAM_VALUE	0	event->type_len	0-28
DATA_SOURCE	0	event	r ring_buffer_lock_reserve
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING

kernel/trace/ring_buffer.c show_flags() -> ring_buffer_event_data()

Type	Parameter	Key	Value
PARAM_VALUE	0	event	4096-ptr_max
PARAM_VALUE	0	event->type_len	0-28
DATA_SOURCE	0	event	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
UNITS	0	event	unit_byte

kernel/trace/ring_buffer.c show_irq() -> ring_buffer_event_data()

Type	Parameter	Key	Value
PARAM_VALUE	0	event	4096-ptr_max
PARAM_VALUE	0	event->type_len	0-29
DATA_SOURCE	0	event	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
UNITS	0	event	unit_byte

kernel/trace/ring_buffer.c test_ringbuffer() -> ring_buffer_event_data()

Type	Key	Value
PARAM_VALUE	event	4096-ptr_max
PARAM_VALUE	event->type_len	0-28
DATA_SOURCE	event	r ring_buffer_consume

kernel/trace/trace_sched_wakeup.c tracing_sched_switch_trace() -> ring_buffer_event_data()

Type	Parameter	Key	Value
PARAM_VALUE	0	event	4096-ptr_max
DATA_SOURCE	0	event	r trace_buffer_lock_reserve
LOCK2		flags

kernel/trace/trace_sched_wakeup.c tracing_sched_wakeup_trace() -> ring_buffer_event_data()

Type	Parameter	Key	Value
PARAM_VALUE	0	event	4096-ptr_max
DATA_SOURCE	0	event	r trace_buffer_lock_reserve

kernel/trace/trace_events.c function_test_events_call() -> ring_buffer_event_data()

Type	Parameter	Key	Value
PARAM_VALUE	0	event	4096-ptr_max
PARAM_VALUE	0	event->type_len	0-29
DATA_SOURCE	0	event	r trace_event_buffer_lock_reserve
PREEMPT_ADD			<- disables preempt

kernel/trace/trace_events.c trace_event_buffer_reserve() -> ring_buffer_event_data()

Type	Parameter	Key	Value
PARAM_VALUE	0	event	4096-ptr_max
PARAM_VALUE	0	event->type_len	0-29
DATA_SOURCE	0	event	r trace_event_buffer_lock_reserve
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&ucb->mutex
HALF_LOCKED2		global &event_mutex
HALF_LOCKED2		rcu_read

kernel/trace/trace_functions_graph.c __graph_entry() -> ring_buffer_event_data()

Type	Parameter	Key	Value
PARAM_VALUE	0	event	4096-ptr_max
DATA_SOURCE	0	event	r trace_buffer_lock_reserve
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING

kernel/trace/trace_functions_graph.c __trace_graph_retaddr_entry() -> ring_buffer_event_data()

Type	Parameter	Key	Value
PARAM_VALUE	0	event	4096-ptr_max
DATA_SOURCE	0	event	r trace_buffer_lock_reserve

kernel/trace/trace_functions_graph.c __trace_graph_return() -> ring_buffer_event_data()

Type	Parameter	Key	Value
PARAM_VALUE	0	event	4096-ptr_max
DATA_SOURCE	0	event	r trace_buffer_lock_reserve
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING

kernel/trace/trace_functions_graph.c get_return_for_leaf() -> ring_buffer_event_data()

Type	Parameter	Key	Value
PARAM_VALUE	0	event	4096-ptr_max
PARAM_VALUE	0	event->type_len	0-28,30-31
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&iter->mutex
HALF_LOCKED2		flags

kernel/trace/trace_hwlat.c trace_hwlat_sample() -> ring_buffer_event_data()

Type	Parameter	Key	Value
PARAM_VALUE	0	event	4096-ptr_max
DATA_SOURCE	0	event	r trace_buffer_lock_reserve
LOCK2		irq

kernel/trace/trace_eprobe.c __eprobe_trace_func() -> ring_buffer_event_data()

Type	Parameter	Key	Value
PARAM_VALUE	0	event	4096-ptr_max
PARAM_VALUE	0	event->type_len	0-29
RX_PATH
TASK_NOT_RUNNING