projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 1be0730f LL |
1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | #undef TRACE_SYSTEM | |
| 3 | #define TRACE_SYSTEM devfreq | |
| 4 | ||
| 5 | #if !defined(_TRACE_DEVFREQ_H) || defined(TRACE_HEADER_MULTI_READ) | |
| 6 | #define _TRACE_DEVFREQ_H | |
| 7 | ||
| 8 | #include <linux/devfreq.h> | |
| 9 | #include <linux/tracepoint.h> | |
| 10 | ||
| cab477d0 MK |
11 | TRACE_EVENT(devfreq_frequency, |
| 12 | TP_PROTO(struct devfreq *devfreq, unsigned long freq, | |
| 13 | unsigned long prev_freq), | |
| 14 | ||
| 15 | TP_ARGS(devfreq, freq, prev_freq), | |
| 16 | ||
| 17 | TP_STRUCT__entry( | |
| 18 | __string(dev_name, dev_name(&devfreq->dev)) | |
| 19 | __field(unsigned long, freq) | |
| 20 | __field(unsigned long, prev_freq) | |
| 21 | __field(unsigned long, busy_time) | |
| 22 | __field(unsigned long, total_time) | |
| 23 | ), | |
| 24 | ||
| 25 | TP_fast_assign( | |
| 2c92ca84 | 26 | __assign_str(dev_name); |
| cab477d0 MK |
27 | __entry->freq = freq; |
| 28 | __entry->prev_freq = prev_freq; | |
| 29 | __entry->busy_time = devfreq->last_status.busy_time; | |
| 30 | __entry->total_time = devfreq->last_status.total_time; | |
| 31 | ), | |
| 32 | ||
| 33 | TP_printk("dev_name=%-30s freq=%-12lu prev_freq=%-12lu load=%-2lu", | |
| 34 | __get_str(dev_name), __entry->freq, __entry->prev_freq, | |
| 35 | __entry->total_time == 0 ? 0 : | |
| 36 | (100 * __entry->busy_time) / __entry->total_time) | |
| 37 | ); | |
| 38 | ||
| 1be0730f LL |
39 | TRACE_EVENT(devfreq_monitor, |
| 40 | TP_PROTO(struct devfreq *devfreq), | |
| 41 | ||
| 42 | TP_ARGS(devfreq), | |
| 43 | ||
| 44 | TP_STRUCT__entry( | |
| 45 | __field(unsigned long, freq) | |
| 46 | __field(unsigned long, busy_time) | |
| 47 | __field(unsigned long, total_time) | |
| 48 | __field(unsigned int, polling_ms) | |
| 49 | __string(dev_name, dev_name(&devfreq->dev)) | |
| 50 | ), | |
| 51 | ||
| 52 | TP_fast_assign( | |
| 53 | __entry->freq = devfreq->previous_freq; | |
| 54 | __entry->busy_time = devfreq->last_status.busy_time; | |
| 55 | __entry->total_time = devfreq->last_status.total_time; | |
| 56 | __entry->polling_ms = devfreq->profile->polling_ms; | |
| 2c92ca84 | 57 | __assign_str(dev_name); |
| 1be0730f LL |
58 | ), |
| 59 | ||
| 4281461c | 60 | TP_printk("dev_name=%-30s freq=%-12lu polling_ms=%-3u load=%-2lu", |
| 1be0730f LL |
61 | __get_str(dev_name), __entry->freq, __entry->polling_ms, |
| 62 | __entry->total_time == 0 ? 0 : | |
| 63 | (100 * __entry->busy_time) / __entry->total_time) | |
| 64 | ); | |
| 65 | #endif /* _TRACE_DEVFREQ_H */ | |
| 66 | ||
| 67 | /* This part must be outside protection */ | |
| 68 | #include <trace/define_trace.h> |