From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lina Iyer Subject: [PATCH v2 03/10] drivers: qcom: rpmh-rsc: log RPMH requests in FTRACE Date: Thu, 15 Feb 2018 10:35:00 -0700 Message-ID: <20180215173507.10989-4-ilina@codeaurora.org> References: <20180215173507.10989-1-ilina@codeaurora.org> Return-path: In-Reply-To: <20180215173507.10989-1-ilina@codeaurora.org> Sender: linux-kernel-owner@vger.kernel.org To: andy.gross@linaro.org, david.brown@linaro.org, linux-arm-msm@vger.kernel.org, linux-soc@vger.kernel.org Cc: rnayak@codeaurora.org, bjorn.andersson@linaro.org, linux-kernel@vger.kernel.org, Lina Iyer , Steven Rostedt List-Id: linux-arm-msm@vger.kernel.org Log sent RPMH requests and interrupt responses in FTRACE. Cc: Steven Rostedt Signed-off-by: Lina Iyer --- drivers/soc/qcom/Makefile | 1 + drivers/soc/qcom/rpmh-rsc.c | 6 +++ drivers/soc/qcom/trace-rpmh.h | 89 +++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 96 insertions(+) create mode 100644 drivers/soc/qcom/trace-rpmh.h diff --git a/drivers/soc/qcom/Makefile b/drivers/soc/qcom/Makefile index 7426979ea9fb..094b639ece2f 100644 --- a/drivers/soc/qcom/Makefile +++ b/drivers/soc/qcom/Makefile @@ -1,4 +1,5 @@ # SPDX-License-Identifier: GPL-2.0 +CFLAGS_trace-rpmh.o := -I$(src) obj-$(CONFIG_QCOM_GLINK_SSR) += glink_ssr.o obj-$(CONFIG_QCOM_GSBI) += qcom_gsbi.o obj-$(CONFIG_QCOM_MDT_LOADER) += mdt_loader.o diff --git a/drivers/soc/qcom/rpmh-rsc.c b/drivers/soc/qcom/rpmh-rsc.c index ceb8aea237d6..58a3c53d651e 100644 --- a/drivers/soc/qcom/rpmh-rsc.c +++ b/drivers/soc/qcom/rpmh-rsc.c @@ -24,6 +24,9 @@ #include "rpmh-internal.h" +#define CREATE_TRACE_POINTS +#include "trace-rpmh.h" + #define RSC_DRV_TCS_OFFSET 672 #define RSC_DRV_CMD_OFFSET 20 @@ -239,6 +242,7 @@ static irqreturn_t tcs_irq_handler(int irq, void *p) /* Reclaim the TCS */ write_tcs_reg(drv, RSC_DRV_CMD_ENABLE, m, 0, 0); write_tcs_reg(drv, RSC_DRV_IRQ_CLEAR, 0, 0, BIT(m)); + trace_rpmh_notify_irq(drv, resp); atomic_set(&drv->tcs_in_use[m], 0); send_tcs_response(resp); } @@ -270,6 +274,7 @@ static void tcs_notify_tx_done(unsigned long data) struct tcs_response, list); list_del(&resp->list); spin_unlock_irqrestore(&drv->drv_lock, flags); + trace_rpmh_notify_tx_done(drv, resp); free_response(resp); } } @@ -298,6 +303,7 @@ static void __tcs_buffer_write(struct rsc_drv *drv, int m, int n, write_tcs_reg(drv, RSC_DRV_CMD_MSGID, m, n + i, msgid); write_tcs_reg(drv, RSC_DRV_CMD_ADDR, m, n + i, cmd->addr); write_tcs_reg(drv, RSC_DRV_CMD_DATA, m, n + i, cmd->data); + trace_rpmh_send_msg(drv, m, n + i, msgid, cmd); } write_tcs_reg(drv, RSC_DRV_CMD_WAIT_FOR_CMPL, m, 0, cmd_complete); diff --git a/drivers/soc/qcom/trace-rpmh.h b/drivers/soc/qcom/trace-rpmh.h new file mode 100644 index 000000000000..734de0d54a9f --- /dev/null +++ b/drivers/soc/qcom/trace-rpmh.h @@ -0,0 +1,89 @@ +/* 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 +#include "rpmh-internal.h" + +DECLARE_EVENT_CLASS(rpmh_notify, + + TP_PROTO(struct rsc_drv *d, struct tcs_response *r), + + TP_ARGS(d, r), + + TP_STRUCT__entry( + __field(const char *, d->name) + __field(int, m) + __field(u32, addr) + __field(int, errno) + ), + + TP_fast_assign( + __entry->name = d->name; + __entry->m = r->m; + __entry->addr = r->msg->payload[0].addr; + __entry->errno = r->err; + ), + + TP_printk("%s: ack: tcs-m:%d addr: 0x%08x errno: %d", + __entry->name, __entry->m, __entry->addr, __entry->errno) +); + +DEFINE_EVENT(rpmh_notify, rpmh_notify_irq, + TP_PROTO(struct rsc_drv *d, struct tcs_response *r), + TP_ARGS(d, r) +); + +DEFINE_EVENT(rpmh_notify, rpmh_notify_tx_done, + TP_PROTO(struct rsc_drv *d, struct tcs_response *r), + TP_ARGS(d, r) +); + + +TRACE_EVENT(rpmh_send_msg, + + TP_PROTO(struct rsc_drv *d, int m, int n, u32 h, struct tcs_cmd *c), + + TP_ARGS(d, m, n, h, c), + + TP_STRUCT__entry( + __field(const char*, d->name) + __field(int, m) + __field(int, n) + __field(u32, hdr) + __field(u32, addr) + __field(u32, data) + __field(bool, complete) + ), + + TP_fast_assign( + __entry->name = s; + __entry->m = m; + __entry->n = n; + __entry->hdr = h; + __entry->addr = c->addr; + __entry->data = c->data; + __entry->complete = c->complete; + ), + + TP_printk("%s: send-msg: tcs(m): %d cmd(n): %d msgid: 0x%08x addr: 0x%08x data: 0x%08x complete: %d", + __entry->name, __entry->m, __entry->n, __entry->hdr, + __entry->addr, __entry->data, __entry->complete) +); + +#endif /* _TRACE_RPMH_H */ + +#undef TRACE_INCLUDE_PATH +#define TRACE_INCLUDE_PATH ../../drivers/soc/qcom + +#undef TRACE_INCLUDE_FILE +#define TRACE_INCLUDE_FILE trace-rpmh + +#include -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project