drivers: qcom: rpmh-rsc: log RPMH requests in FTRACE (fc087fe5) · Commits · 戴 / test

drivers/soc/qcom/Makefile

+1 −0

Original line number	Diff line number	Diff line
		# SPDX-License-Identifier: GPL-2.0
		CFLAGS_rpmh-rsc.o := -I$(src)
		obj-$(CONFIG_QCOM_GENI_SE) += qcom-geni-se.o
		obj-$(CONFIG_QCOM_COMMAND_DB) += cmd-db.o
		obj-$(CONFIG_QCOM_GLINK_SSR) += glink_ssr.o

drivers/soc/qcom/rpmh-rsc.c

+10 −1

Original line number	Diff line number	Diff line
		@@ -23,6 +23,9 @@

		#include "rpmh-internal.h"

		#define CREATE_TRACE_POINTS
		#include "trace-rpmh.h"

		#define RSC_DRV_TCS_OFFSET 672
		#define RSC_DRV_CMD_OFFSET 20

		@@ -135,7 +138,7 @@ static const struct tcs_request get_req_from_tcs(struct rsc_drv drv,
		static irqreturn_t tcs_tx_done(int irq, void *p)
		{
		struct rsc_drv *drv = p;
		int i, j;
		int i, j, err;
		unsigned long irq_status;
		const struct tcs_request *req;
		struct tcs_cmd *cmd;
		@@ -149,6 +152,7 @@ static irqreturn_t tcs_tx_done(int irq, void *p)
		goto skip;
		}

		err = 0;
		for (j = 0; j < req->num_cmds; j++) {
		u32 sts;

		@@ -159,8 +163,11 @@ static irqreturn_t tcs_tx_done(int irq, void *p)
		!(sts & CMD_STATUS_COMPL))) {
		pr_err("Incomplete request: %s: addr=%#x data=%#x",
		drv->name, cmd->addr, cmd->data);
		err = -EIO;
		}
		}

		trace_rpmh_tx_done(drv, i, req, err);
		skip:
		/* Reclaim the TCS */
		write_tcs_reg(drv, RSC_DRV_CMD_ENABLE, i, 0);
		@@ -194,9 +201,11 @@ static void __tcs_buffer_write(struct rsc_drv *drv, int tcs_id, int cmd_id,
		cmd_complete \|= cmd->wait << j;
		msgid = cmd_msgid;
		msgid \|= cmd->wait ? CMD_MSGID_RESP_REQ : 0;

		write_tcs_cmd(drv, RSC_DRV_CMD_MSGID, tcs_id, j, msgid);
		write_tcs_cmd(drv, RSC_DRV_CMD_ADDR, tcs_id, j, cmd->addr);
		write_tcs_cmd(drv, RSC_DRV_CMD_DATA, tcs_id, j, cmd->data);
		trace_rpmh_send_msg(drv, tcs_id, j, msgid, cmd);
		}

		write_tcs_reg(drv, RSC_DRV_CMD_WAIT_FOR_CMPL, tcs_id, cmd_complete);

drivers/soc/qcom/trace-rpmh.h

0 → 100644

+82 −0

Original line number	Diff line number	Diff line
		/* SPDX-License-Identifier: GPL-2.0 */
		/*
		* Copyright (c) 2016-2018, The Linux Foundation. All rights reserved.
		*/

		#if !defined(_TRACE_RPMH_H) \|\| defined(TRACE_HEADER_MULTI_READ)
		#define _TRACE_RPMH_H

		#undef TRACE_SYSTEM
		#define TRACE_SYSTEM rpmh

		#include <linux/tracepoint.h>
		#include "rpmh-internal.h"

		TRACE_EVENT(rpmh_tx_done,

		TP_PROTO(struct rsc_drv d, int m, const struct tcs_request r, int e),

		TP_ARGS(d, m, r, e),

		TP_STRUCT__entry(
		__string(name, d->name)
		__field(int, m)
		__field(u32, addr)
		__field(u32, data)
		__field(int, err)
		),

		TP_fast_assign(
		__assign_str(name, d->name);
		__entry->m = m;
		__entry->addr = r->cmds[0].addr;
		__entry->data = r->cmds[0].data;
		__entry->err = e;
		),

		TP_printk("%s: ack: tcs-m: %d addr: %#x data: %#x errno: %d",
		__get_str(name), __entry->m, __entry->addr, __entry->data,
		__entry->err)
		);

		TRACE_EVENT(rpmh_send_msg,

		TP_PROTO(struct rsc_drv *d, int m, int n, u32 h,
		const struct tcs_cmd *c),

		TP_ARGS(d, m, n, h, c),

		TP_STRUCT__entry(
		__string(name, d->name)
		__field(int, m)
		__field(int, n)
		__field(u32, hdr)
		__field(u32, addr)
		__field(u32, data)
		__field(bool, wait)
		),

		TP_fast_assign(
		__assign_str(name, d->name);
		__entry->m = m;
		__entry->n = n;
		__entry->hdr = h;
		__entry->addr = c->addr;
		__entry->data = c->data;
		__entry->wait = c->wait;
		),

		TP_printk("%s: send-msg: tcs(m): %d cmd(n): %d msgid: %#x addr: %#x data: %#x complete: %d",
		__get_str(name), __entry->m, __entry->n, __entry->hdr,
		__entry->addr, __entry->data, __entry->wait)
		);

		#endif /* _TRACE_RPMH_H */

		#undef TRACE_INCLUDE_PATH
		#define TRACE_INCLUDE_PATH .

		#undef TRACE_INCLUDE_FILE
		#define TRACE_INCLUDE_FILE trace-rpmh

		#include <trace/define_trace.h>

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