Merge "clk: qcom: Enable ftrace for clock frequency measurement" (0589df79) · Commits · e / devices / android_kernel_fairphone_FP4

drivers/clk/qcom/clk-debug.c

+6 −0

Original line number	Diff line number	Diff line
		// SPDX-License-Identifier: GPL-2.0-only
		/* Copyright (c) 2016, 2019-2021 The Linux Foundation. All rights reserved. */
		/* Copyright (c) 2023, Qualcomm Innovation Center, Inc. All rights reserved. */

		#include <linux/clk.h>
		#include <linux/export.h>
		@@ -11,6 +12,10 @@
		#include <linux/bitops.h>
		#include <linux/mfd/syscon.h>
		#include <linux/msm-bus.h>
		#include <trace/events/power.h>

		#define CREATE_TRACE_POINTS
		#include "trace.h"

		#include "clk-regmap.h"
		#include "clk-debug.h"
		@@ -271,6 +276,7 @@ static int clk_debug_measure_get(void data, u64 val)
		enable_debug_clks(measure);
		*val = clk_debug_mux_measure_rate(measure);

		trace_clk_measure(clk_hw_get_name(hw), *val);
		/* recursively calculate actual freq */
		val = get_mux_divs(measure);
		disable_debug_clks(measure);

0 → 100644

+51 −0

Original line number	Diff line number	Diff line
		/* SPDX-License-Identifier: GPL-2.0-only
		*
		* Copyright (c) 2022-2023, Qualcomm Innovation Center, Inc. All rights reserved.
		*/

		#undef TRACE_SYSTEM
		#define TRACE_SYSTEM clk_qcom

		#if !defined(_TRACE_CLOCK_QCOM_H) \|\| defined(TRACE_HEADER_MULTI_READ)
		#define _TRACE_CLOCK_QCOM

		#include <linux/tracepoint.h>

		DECLARE_EVENT_CLASS(clk_measure_support,

		TP_PROTO(const char *name, unsigned long rate),

		TP_ARGS(name, rate),

		TP_STRUCT__entry(
		__string(name, name)
		__field(unsigned long, rate)
		),

		TP_fast_assign(
		__assign_str(name, name);
		__entry->rate = rate;
		),

		TP_printk("%s rate: %lu",
		__get_str(name), (unsigned long)__entry->rate)
		);

		DEFINE_EVENT(clk_measure_support, clk_measure,

		TP_PROTO(const char *name, unsigned long rate),

		TP_ARGS(name, rate)
		);

		#endif /* _TRACE_CLOCK_QCOM */

		/* This part must be outside protection */

		#undef TRACE_INCLUDE_PATH
		#define TRACE_INCLUDE_PATH .

		#undef TRACE_INCLUDE_FILE
		#define TRACE_INCLUDE_FILE trace

		#include <trace/define_trace.h>