trace/events/devfreq.h

0001 /* SPDX-License-Identifier: GPL-2.0 */
0002 #undef TRACE_SYSTEM
0003 #define TRACE_SYSTEM devfreq
0004
0005 #if !defined(_TRACE_DEVFREQ_H) || defined(TRACE_HEADER_MULTI_READ)
0006 #define _TRACE_DEVFREQ_H
0007
0008 #include <linux/devfreq.h>
0009 #include <linux/tracepoint.h>
0010
0011 TRACE_EVENT(devfreq_frequency,
0012     TP_PROTO(struct devfreq *devfreq, unsigned long freq,
0013          unsigned long prev_freq),
0014
0015     TP_ARGS(devfreq, freq, prev_freq),
0016
0017     TP_STRUCT__entry(
0018         __string(dev_name, dev_name(&devfreq->dev))
0019         __field(unsigned long, freq)
0020         __field(unsigned long, prev_freq)
0021         __field(unsigned long, busy_time)
0022         __field(unsigned long, total_time)
0023     ),
0024
0025     TP_fast_assign(
0026         __assign_str(dev_name, dev_name(&devfreq->dev));
0027         __entry->freq = freq;
0028         __entry->prev_freq = prev_freq;
0029         __entry->busy_time = devfreq->last_status.busy_time;
0030         __entry->total_time = devfreq->last_status.total_time;
0031     ),
0032
0033     TP_printk("dev_name=%-30s freq=%-12lu prev_freq=%-12lu load=%-2lu",
0034         __get_str(dev_name), __entry->freq, __entry->prev_freq,
0035         __entry->total_time == 0 ? 0 :
0036             (100 * __entry->busy_time) / __entry->total_time)
0037 );
0038
0039 TRACE_EVENT(devfreq_monitor,
0040     TP_PROTO(struct devfreq *devfreq),
0041
0042     TP_ARGS(devfreq),
0043
0044     TP_STRUCT__entry(
0045         __field(unsigned long, freq)
0046         __field(unsigned long, busy_time)
0047         __field(unsigned long, total_time)
0048         __field(unsigned int, polling_ms)
0049         __string(dev_name, dev_name(&devfreq->dev))
0050     ),
0051
0052     TP_fast_assign(
0053         __entry->freq = devfreq->previous_freq;
0054         __entry->busy_time = devfreq->last_status.busy_time;
0055         __entry->total_time = devfreq->last_status.total_time;
0056         __entry->polling_ms = devfreq->profile->polling_ms;
0057         __assign_str(dev_name, dev_name(&devfreq->dev));
0058     ),
0059
0060     TP_printk("dev_name=%-30s freq=%-12lu polling_ms=%-3u load=%-2lu",
0061         __get_str(dev_name), __entry->freq, __entry->polling_ms,
0062         __entry->total_time == 0 ? 0 :
0063             (100 * __entry->busy_time) / __entry->total_time)
0064 );
0065 #endif /* _TRACE_DEVFREQ_H */
0066
0067 /* This part must be outside protection */
0068 #include <trace/define_trace.h>