trace/events/rpm.h

0001 /* SPDX-License-Identifier: GPL-2.0 */
0002
0003 #undef TRACE_SYSTEM
0004 #define TRACE_SYSTEM rpm
0005
0006 #if !defined(_TRACE_RUNTIME_POWER_H) || defined(TRACE_HEADER_MULTI_READ)
0007 #define _TRACE_RUNTIME_POWER_H
0008
0009 #include <linux/ktime.h>
0010 #include <linux/tracepoint.h>
0011
0012 struct device;
0013
0014 /*
0015  * The rpm_internal events are used for tracing some important
0016  * runtime pm internal functions.
0017  */
0018 DECLARE_EVENT_CLASS(rpm_internal,
0019
0020     TP_PROTO(struct device *dev, int flags),
0021
0022     TP_ARGS(dev, flags),
0023
0024     TP_STRUCT__entry(
0025         __string(       name,       dev_name(dev)   )
0026         __field(        int,            flags           )
0027         __field(        int ,       usage_count )
0028         __field(        int ,       disable_depth   )
0029         __field(        int ,       runtime_auto    )
0030         __field(        int ,       request_pending )
0031         __field(        int ,       irq_safe    )
0032         __field(        int ,       child_count     )
0033     ),
0034
0035     TP_fast_assign(
0036         __assign_str(name, dev_name(dev));
0037         __entry->flags = flags;
0038         __entry->usage_count = atomic_read(
0039             &dev->power.usage_count);
0040         __entry->disable_depth = dev->power.disable_depth;
0041         __entry->runtime_auto = dev->power.runtime_auto;
0042         __entry->request_pending = dev->power.request_pending;
0043         __entry->irq_safe = dev->power.irq_safe;
0044         __entry->child_count = atomic_read(
0045             &dev->power.child_count);
0046     ),
0047
0048     TP_printk("%s flags-%x cnt-%-2d dep-%-2d auto-%-1d p-%-1d"
0049             " irq-%-1d child-%d",
0050             __get_str(name), __entry->flags,
0051             __entry->usage_count,
0052             __entry->disable_depth,
0053             __entry->runtime_auto,
0054             __entry->request_pending,
0055             __entry->irq_safe,
0056             __entry->child_count
0057          )
0058 );
0059 DEFINE_EVENT(rpm_internal, rpm_suspend,
0060
0061     TP_PROTO(struct device *dev, int flags),
0062
0063     TP_ARGS(dev, flags)
0064 );
0065 DEFINE_EVENT(rpm_internal, rpm_resume,
0066
0067     TP_PROTO(struct device *dev, int flags),
0068
0069     TP_ARGS(dev, flags)
0070 );
0071 DEFINE_EVENT(rpm_internal, rpm_idle,
0072
0073     TP_PROTO(struct device *dev, int flags),
0074
0075     TP_ARGS(dev, flags)
0076 );
0077 DEFINE_EVENT(rpm_internal, rpm_usage,
0078
0079     TP_PROTO(struct device *dev, int flags),
0080
0081     TP_ARGS(dev, flags)
0082 );
0083
0084 TRACE_EVENT(rpm_return_int,
0085     TP_PROTO(struct device *dev, unsigned long ip, int ret),
0086     TP_ARGS(dev, ip, ret),
0087
0088     TP_STRUCT__entry(
0089         __string(       name,       dev_name(dev))
0090         __field(    unsigned long,      ip  )
0091         __field(    int,            ret )
0092     ),
0093
0094     TP_fast_assign(
0095         __assign_str(name, dev_name(dev));
0096         __entry->ip = ip;
0097         __entry->ret = ret;
0098     ),
0099
0100     TP_printk("%pS:%s ret=%d", (void *)__entry->ip, __get_str(name),
0101         __entry->ret)
0102 );
0103
0104 #endif /* _TRACE_RUNTIME_POWER_H */
0105
0106 /* This part must be outside protection */
0107 #include <trace/define_trace.h>