1 /* SPDX-License-Identifier: GPL-2.0 */ 2 3 #undef TRACE_SYSTEM 4 #define TRACE_SYSTEM rpm 5 6 #if !defined(_TRACE_RUNTIME_POWER_H) || defined(TRACE_HEADER_MULTI_READ) 7 #define _TRACE_RUNTIME_POWER_H 8 9 #include <linux/ktime.h> 10 #include <linux/tracepoint.h> 11 12 struct device; 13 14 /* 15 * The rpm_internal events are used for tracing some important 16 * runtime pm internal functions. 17 */ 18 DECLARE_EVENT_CLASS(rpm_internal, 19 20 TP_PROTO(struct device *dev, int flags), 21 22 TP_ARGS(dev, flags), 23 24 TP_STRUCT__entry( 25 __string( name, dev_name(dev) ) 26 __field( int, flags ) 27 __field( int , usage_count ) 28 __field( int , disable_depth ) 29 __field( int , runtime_auto ) 30 __field( int , request_pending ) 31 __field( int , irq_safe ) 32 __field( int , child_count ) 33 ), 34 35 TP_fast_assign( 36 __assign_str(name, dev_name(dev)); 37 __entry->flags = flags; 38 __entry->usage_count = atomic_read( 39 &dev->power.usage_count); 40 __entry->disable_depth = dev->power.disable_depth; 41 __entry->runtime_auto = dev->power.runtime_auto; 42 __entry->request_pending = dev->power.request_pending; 43 __entry->irq_safe = dev->power.irq_safe; 44 __entry->child_count = atomic_read( 45 &dev->power.child_count); 46 ), 47 48 TP_printk("%s flags-%x cnt-%-2d dep-%-2d auto-%-1d p-%-1d" 49 " irq-%-1d child-%d", 50 __get_str(name), __entry->flags, 51 __entry->usage_count, 52 __entry->disable_depth, 53 __entry->runtime_auto, 54 __entry->request_pending, 55 __entry->irq_safe, 56 __entry->child_count 57 ) 58 ); 59 DEFINE_EVENT(rpm_internal, rpm_suspend, 60 61 TP_PROTO(struct device *dev, int flags), 62 63 TP_ARGS(dev, flags) 64 ); 65 DEFINE_EVENT(rpm_internal, rpm_resume, 66 67 TP_PROTO(struct device *dev, int flags), 68 69 TP_ARGS(dev, flags) 70 ); 71 DEFINE_EVENT(rpm_internal, rpm_idle, 72 73 TP_PROTO(struct device *dev, int flags), 74 75 TP_ARGS(dev, flags) 76 ); 77 DEFINE_EVENT(rpm_internal, rpm_usage, 78 79 TP_PROTO(struct device *dev, int flags), 80 81 TP_ARGS(dev, flags) 82 ); 83 84 TRACE_EVENT(rpm_return_int, 85 TP_PROTO(struct device *dev, unsigned long ip, int ret), 86 TP_ARGS(dev, ip, ret), 87 88 TP_STRUCT__entry( 89 __string( name, dev_name(dev)) 90 __field( unsigned long, ip ) 91 __field( int, ret ) 92 ), 93 94 TP_fast_assign( 95 __assign_str(name, dev_name(dev)); 96 __entry->ip = ip; 97 __entry->ret = ret; 98 ), 99 100 TP_printk("%pS:%s ret=%d", (void *)__entry->ip, __get_str(name), 101 __entry->ret) 102 ); 103 104 #endif /* _TRACE_RUNTIME_POWER_H */ 105 106 /* This part must be outside protection */ 107 #include <trace/define_trace.h> 108