Searched refs:global_trace (Results 1 - 1 of 1) sorted by relevance

/linux-4.4.14/kernel/trace/
H A Dtrace.c257 /* trace_options that are only supported by global_trace */
263 * The global_trace is the descriptor that holds the tracing
274 static struct trace_array global_trace = { variable in typeref:struct:trace_array
355 return buffer_ftrace_now(&global_trace.trace_buffer, cpu); ftrace_now()
359 * tracing_is_enabled - Show if global_trace has been disabled
375 return !global_trace.buffer_disabled; tracing_is_enabled()
531 tracer_tracing_on(&global_trace); tracing_on()
550 if (!(global_trace.trace_flags & TRACE_ITER_PRINTK)) __trace_puts()
561 buffer = global_trace.trace_buffer.buffer; __trace_puts()
580 ftrace_trace_stack(&global_trace, buffer, irq_flags, 4, pc, NULL); __trace_puts()
600 if (!(global_trace.trace_flags & TRACE_ITER_PRINTK)) __trace_bputs()
609 buffer = global_trace.trace_buffer.buffer; __trace_bputs()
620 ftrace_trace_stack(&global_trace, buffer, irq_flags, 4, pc, NULL); __trace_bputs()
643 struct trace_array *tr = &global_trace; tracing_snapshot()
720 struct trace_array *tr = &global_trace; tracing_alloc_snapshot()
799 tracer_tracing_off(&global_trace); tracing_off()
827 return tracer_tracing_is_on(&global_trace); tracing_is_on()
1065 * update_max_tr - snapshot all trace buffers from global_trace to max_tr
1157 struct trace_array *tr = &global_trace; run_tracer_selftest()
1273 add_tracer_options(&global_trace, type); register_tracer()
1287 tracing_set_tracer(&global_trace, type->name); register_tracer()
1422 return global_trace.stop_count; is_tracing_stopped()
1439 raw_spin_lock_irqsave(&global_trace.start_lock, flags); tracing_start()
1440 if (--global_trace.stop_count) { tracing_start()
1441 if (global_trace.stop_count < 0) { tracing_start()
1444 global_trace.stop_count = 0; tracing_start()
1450 arch_spin_lock(&global_trace.max_lock); tracing_start()
1452 buffer = global_trace.trace_buffer.buffer; tracing_start()
1457 buffer = global_trace.max_buffer.buffer; tracing_start()
1462 arch_spin_unlock(&global_trace.max_lock); tracing_start()
1465 raw_spin_unlock_irqrestore(&global_trace.start_lock, flags); tracing_start()
1510 raw_spin_lock_irqsave(&global_trace.start_lock, flags); tracing_stop()
1511 if (global_trace.stop_count++) tracing_stop()
1515 arch_spin_lock(&global_trace.max_lock); tracing_stop()
1517 buffer = global_trace.trace_buffer.buffer; tracing_stop()
1522 buffer = global_trace.max_buffer.buffer; tracing_stop()
1527 arch_spin_unlock(&global_trace.max_lock); tracing_stop()
1530 raw_spin_unlock_irqrestore(&global_trace.start_lock, flags); tracing_stop()
1740 *current_rb = global_trace.trace_buffer.buffer; trace_current_buffer_lock_reserve()
1914 __ftrace_trace_stack(global_trace.trace_buffer.buffer, trace_dump_stack()
1928 if (!(global_trace.trace_flags & TRACE_ITER_USERSTACKTRACE)) ftrace_trace_userstack()
2097 * directly here. If the global_trace.buffer is already trace_printk_init_buffers()
2100 if (global_trace.trace_buffer.buffer) trace_printk_init_buffers()
2132 struct trace_array *tr = &global_trace; trace_vbprintk()
2224 ftrace_trace_stack(&global_trace, buffer, flags, 6, pc, NULL); __trace_array_vprintk()
2245 if (!(global_trace.trace_flags & TRACE_ITER_PRINTK)) trace_array_printk()
2260 if (!(global_trace.trace_flags & TRACE_ITER_PRINTK)) trace_array_printk_buf()
2271 return trace_array_vprintk(&global_trace, ip, fmt, args); trace_vprintk()
2601 unsigned long sym_flags = (global_trace.trace_flags & TRACE_ITER_SYM_MASK); print_trace_header()
3635 trace_set_options(&global_trace, option); apply_trace_boot_options()
4328 ret = __tracing_resize_ring_buffer(&global_trace, trace_buf_size, tracing_update_buffers()
6063 alloc_snapshot(&global_trace); ftrace_trace_snapshot_callback()
6453 bool top_level = tr == &global_trace; create_trace_options_dir()
6650 tr->trace_flags = global_trace.trace_flags; instance_mkdir()
6847 struct trace_array *tr = &global_trace; tracing_init_dentry()
6966 init_tracer_tracefs(&global_trace, d_tracer); tracer_init_tracefs()
6969 &global_trace, &tracing_thresh_fops); tracer_init_tracefs()
6995 update_tracer_options(&global_trace); tracer_init_tracefs()
7072 iter->tr = &global_trace; trace_init_global_iter()
7075 iter->trace_buffer = &global_trace.trace_buffer; trace_init_global_iter()
7094 struct trace_array *tr = &global_trace; ftrace_dump()
7214 if (!alloc_cpumask_var(&global_trace.tracing_cpumask, GFP_KERNEL)) tracer_alloc_buffers()
7219 /* Must be called before global_trace.buffer is allocated */ tracer_alloc_buffers()
7229 cpumask_copy(global_trace.tracing_cpumask, cpu_all_mask); tracer_alloc_buffers()
7231 raw_spin_lock_init(&global_trace.start_lock); tracer_alloc_buffers()
7242 if (allocate_trace_buffers(&global_trace, ring_buf_size) < 0) { tracer_alloc_buffers()
7248 if (global_trace.buffer_disabled) tracer_alloc_buffers()
7252 ret = tracing_set_clock(&global_trace, trace_boot_clock); tracer_alloc_buffers()
7263 global_trace.current_trace = &nop_trace; tracer_alloc_buffers()
7265 global_trace.max_lock = (arch_spinlock_t)__ARCH_SPIN_LOCK_UNLOCKED; tracer_alloc_buffers()
7267 ftrace_init_global_array_ops(&global_trace); tracer_alloc_buffers()
7269 init_trace_flags_index(&global_trace); tracer_alloc_buffers()
7281 global_trace.flags = TRACE_ARRAY_FL_GLOBAL; tracer_alloc_buffers()
7283 INIT_LIST_HEAD(&global_trace.systems); tracer_alloc_buffers()
7284 INIT_LIST_HEAD(&global_trace.events); tracer_alloc_buffers()
7285 list_add(&global_trace.list, &ftrace_trace_arrays); tracer_alloc_buffers()
7298 free_cpumask_var(global_trace.tracing_cpumask); tracer_alloc_buffers()

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