| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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| 2 | #undef TRACE_SYSTEM |
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| 3 | #define TRACE_SYSTEM devfreq |
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| 4 | |
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| 5 | #if !defined(_TRACE_DEVFREQ_H) || defined(TRACE_HEADER_MULTI_READ) |
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| 6 | #define _TRACE_DEVFREQ_H |
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| 7 | |
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| 8 | #include <linux/devfreq.h> |
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| 9 | #include <linux/tracepoint.h> |
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| 10 | |
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| 11 | TRACE_EVENT(devfreq_frequency, |
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| 12 | TP_PROTO(struct devfreq *devfreq, unsigned long freq, |
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| 13 | unsigned long prev_freq), |
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| 14 | |
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| 15 | TP_ARGS(devfreq, freq, prev_freq), |
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| 16 | |
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| 17 | TP_STRUCT__entry( |
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| 18 | __string(dev_name, dev_name(&devfreq->dev)) |
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| 19 | __field(unsigned long, freq) |
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| 20 | __field(unsigned long, prev_freq) |
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| 21 | __field(unsigned long, busy_time) |
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| 22 | __field(unsigned long, total_time) |
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| 23 | ), |
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| 24 | |
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| 25 | TP_fast_assign( |
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| 26 | __assign_str(dev_name); |
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| 27 | __entry->freq = freq; |
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| 28 | __entry->prev_freq = prev_freq; |
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| 29 | __entry->busy_time = devfreq->last_status.busy_time; |
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| 30 | __entry->total_time = devfreq->last_status.total_time; |
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| 31 | ), |
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| 32 | |
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| 33 | TP_printk("dev_name=%-30s freq=%-12lu prev_freq=%-12lu load=%-2lu" , |
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| 34 | __get_str(dev_name), __entry->freq, __entry->prev_freq, |
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| 35 | __entry->total_time == 0 ? 0 : |
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| 36 | (100 * __entry->busy_time) / __entry->total_time) |
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| 37 | ); |
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| 38 | |
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| 39 | TRACE_EVENT(devfreq_monitor, |
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| 40 | TP_PROTO(struct devfreq *devfreq), |
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| 41 | |
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| 42 | TP_ARGS(devfreq), |
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| 43 | |
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| 44 | TP_STRUCT__entry( |
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| 45 | __field(unsigned long, freq) |
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| 46 | __field(unsigned long, busy_time) |
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| 47 | __field(unsigned long, total_time) |
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| 48 | __field(unsigned int, polling_ms) |
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| 49 | __string(dev_name, dev_name(&devfreq->dev)) |
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| 50 | ), |
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| 51 | |
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| 52 | TP_fast_assign( |
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| 53 | __entry->freq = devfreq->previous_freq; |
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| 54 | __entry->busy_time = devfreq->last_status.busy_time; |
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| 55 | __entry->total_time = devfreq->last_status.total_time; |
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| 56 | __entry->polling_ms = devfreq->profile->polling_ms; |
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| 57 | __assign_str(dev_name); |
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| 58 | ), |
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| 59 | |
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| 60 | TP_printk("dev_name=%-30s freq=%-12lu polling_ms=%-3u load=%-2lu" , |
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| 61 | __get_str(dev_name), __entry->freq, __entry->polling_ms, |
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| 62 | __entry->total_time == 0 ? 0 : |
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| 63 | (100 * __entry->busy_time) / __entry->total_time) |
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| 64 | ); |
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| 65 | #endif /* _TRACE_DEVFREQ_H */ |
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| 66 | |
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| 67 | /* This part must be outside protection */ |
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| 68 | #include <trace/define_trace.h> |
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| 69 | |
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