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Commit c705e73f authored by Taniya Das's avatar Taniya Das
Browse files

trace: Add new trace event for DCVSH 



Add trace to capture DCVSH updates to sched.

Change-Id: I57201ab0e41931cffe121c6ab18c46b1f26f250e
Signed-off-by: default avatarTaniya Das <tdas@codeaurora.org>
parent 1756090f

drivers/cpufreq/qcom-cpufreq-hw.c

+5 −0
Original line number Diff line number Diff line
@@ -16,6 +16,9 @@ 
#include <linux/sched.h>

#include <linux/cpu_cooling.h>



#define CREATE_TRACE_POINTS

#include <trace/events/dcvsh.h>



#define LUT_MAX_ENTRIES			40U

#define CORE_COUNT_VAL(val)		(((val) & (GENMASK(18, 16))) >> 16)

#define LUT_ROW_SIZE			32
@@ -102,6 +105,8 @@ static unsigned long limits_mitigation_notify(struct cpufreq_qcom *c) 
		else {

			sched_update_cpu_freq_min_max(&c->related_cpus, 0,

					c->table[i].frequency);

			trace_dcvsh_freq(cpumask_first(&c->related_cpus),

						c->table[i].frequency);

			return c->table[i].frequency;

		}

	}

include/trace/events/dcvsh.h

0 → 100644
+35 −0
Original line number Diff line number Diff line 
/* SPDX-License-Identifier: GPL-2.0-only */

/*

 * Copyright (c) 2019, The Linux Foundation. All rights reserved.

 */



#undef TRACE_SYSTEM

#define TRACE_SYSTEM dcvsh



#if !defined(_TRACE_DCVSH_H) || defined(TRACE_HEADER_MULTI_READ)

#define _TRACE_DCVSH_H



#include <linux/tracepoint.h>



TRACE_EVENT(dcvsh_freq,

	TP_PROTO(unsigned long cpu, unsigned long freq),



	TP_ARGS(cpu, freq),



	TP_STRUCT__entry(

		__field(unsigned long, cpu)

		__field(unsigned long, freq)

	),



	TP_fast_assign(

		__entry->cpu = cpu;

		__entry->freq = freq;

	),



	TP_printk("cpu:%lu max frequency:%lu", __entry->cpu, __entry->freq)

);



#endif /* _TRACE_DCVSH_H */



/* This part must be outside protection */

#include <trace/define_trace.h>