| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame] | 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 | |
| 11 | TRACE_EVENT(devfreq_monitor, |
| 12 | TP_PROTO(struct devfreq *devfreq), |
| 13 | |
| 14 | TP_ARGS(devfreq), |
| 15 | |
| 16 | TP_STRUCT__entry( |
| 17 | __field(unsigned long, freq) |
| 18 | __field(unsigned long, busy_time) |
| 19 | __field(unsigned long, total_time) |
| 20 | __field(unsigned int, polling_ms) |
| 21 | __string(dev_name, dev_name(&devfreq->dev)) |
| 22 | ), |
| 23 | |
| 24 | TP_fast_assign( |
| 25 | __entry->freq = devfreq->previous_freq; |
| 26 | __entry->busy_time = devfreq->last_status.busy_time; |
| 27 | __entry->total_time = devfreq->last_status.total_time; |
| 28 | __entry->polling_ms = devfreq->profile->polling_ms; |
| 29 | __assign_str(dev_name, dev_name(&devfreq->dev)); |
| 30 | ), |
| 31 | |
| 32 | TP_printk("dev_name=%s freq=%lu polling_ms=%u load=%lu", |
| 33 | __get_str(dev_name), __entry->freq, __entry->polling_ms, |
| 34 | __entry->total_time == 0 ? 0 : |
| 35 | (100 * __entry->busy_time) / __entry->total_time) |
| 36 | ); |
| 37 | #endif /* _TRACE_DEVFREQ_H */ |
| 38 | |
| 39 | /* This part must be outside protection */ |
| 40 | #include <trace/define_trace.h> |