41 lines
1.1 KiB
C
41 lines
1.1 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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#undef TRACE_SYSTEM
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#define TRACE_SYSTEM devfreq
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#if !defined(_TRACE_DEVFREQ_H) || defined(TRACE_HEADER_MULTI_READ)
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#define _TRACE_DEVFREQ_H
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#include <linux/devfreq.h>
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#include <linux/tracepoint.h>
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TRACE_EVENT(devfreq_monitor,
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TP_PROTO(struct devfreq *devfreq),
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TP_ARGS(devfreq),
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TP_STRUCT__entry(
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__field(unsigned long, freq)
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__field(unsigned long, busy_time)
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__field(unsigned long, total_time)
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__field(unsigned int, polling_ms)
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__string(dev_name, dev_name(&devfreq->dev))
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),
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TP_fast_assign(
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__entry->freq = devfreq->previous_freq;
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__entry->busy_time = devfreq->last_status.busy_time;
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__entry->total_time = devfreq->last_status.total_time;
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__entry->polling_ms = devfreq->profile->polling_ms;
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__assign_str(dev_name, dev_name(&devfreq->dev));
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),
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TP_printk("dev_name=%s freq=%lu polling_ms=%u load=%lu",
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__get_str(dev_name), __entry->freq, __entry->polling_ms,
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__entry->total_time == 0 ? 0 :
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(100 * __entry->busy_time) / __entry->total_time)
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);
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#endif /* _TRACE_DEVFREQ_H */
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/* This part must be outside protection */
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#include <trace/define_trace.h>
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