diff options
| author | Bjorn Andersson <quic_bjorande@quicinc.com> | 2024-01-23 19:40:33 -0800 |
|---|---|---|
| committer | Bjorn Andersson <andersson@kernel.org> | 2024-01-27 21:44:45 -0600 |
| commit | 651893a7c99ad935de24792bf2019c00ee2fca10 (patch) | |
| tree | 614895613638f2bdfe39a0c786c8d03aa124f5f1 | |
| parent | d7f3a3691e3c133c637fa381cdc91e7d1af9c5d7 (diff) | |
soc: qcom: aoss: Add tracepoints in qmp_send()
Add tracepoint for tracing the messages being sent and the success
thereof. This is useful as the system has a variety of clients sending
requests to the always-on subsystem.
Signed-off-by: Bjorn Andersson <quic_bjorande@quicinc.com>
Reviewed-by: Chris Lew <quic_clew@quicinc.com>
Link: https://lore.kernel.org/r/20240123-qcom-aoss-tracepoints-v2-1-bd73baa31977@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
| -rw-r--r-- | drivers/soc/qcom/Makefile | 1 | ||||
| -rw-r--r-- | drivers/soc/qcom/qcom_aoss.c | 7 | ||||
| -rw-r--r-- | drivers/soc/qcom/trace-aoss.h | 48 |
3 files changed, 56 insertions, 0 deletions
diff --git a/drivers/soc/qcom/Makefile b/drivers/soc/qcom/Makefile index 05b3d54e8dc9..9268e15e1719 100644 --- a/drivers/soc/qcom/Makefile +++ b/drivers/soc/qcom/Makefile @@ -1,5 +1,6 @@ # SPDX-License-Identifier: GPL-2.0 CFLAGS_rpmh-rsc.o := -I$(src) +CFLAGS_qcom_aoss.o := -I$(src) obj-$(CONFIG_QCOM_AOSS_QMP) += qcom_aoss.o obj-$(CONFIG_QCOM_GENI_SE) += qcom-geni-se.o obj-$(CONFIG_QCOM_COMMAND_DB) += cmd-db.o diff --git a/drivers/soc/qcom/qcom_aoss.c b/drivers/soc/qcom/qcom_aoss.c index 085dc887631c..e8ae8aa6391f 100644 --- a/drivers/soc/qcom/qcom_aoss.c +++ b/drivers/soc/qcom/qcom_aoss.c @@ -14,6 +14,9 @@ #include <linux/slab.h> #include <linux/soc/qcom/qcom_aoss.h> +#define CREATE_TRACE_POINTS +#include "trace-aoss.h" + #define QMP_DESC_MAGIC 0x0 #define QMP_DESC_VERSION 0x4 #define QMP_DESC_FEATURES 0x8 @@ -240,6 +243,8 @@ int __printf(2, 3) qmp_send(struct qmp *qmp, const char *fmt, ...) mutex_lock(&qmp->tx_lock); + trace_aoss_send(buf); + /* The message RAM only implements 32-bit accesses */ __iowrite32_copy(qmp->msgram + qmp->offset + sizeof(u32), buf, sizeof(buf) / sizeof(u32)); @@ -261,6 +266,8 @@ int __printf(2, 3) qmp_send(struct qmp *qmp, const char *fmt, ...) ret = 0; } + trace_aoss_send_done(buf, ret); + mutex_unlock(&qmp->tx_lock); return ret; diff --git a/drivers/soc/qcom/trace-aoss.h b/drivers/soc/qcom/trace-aoss.h new file mode 100644 index 000000000000..554029b33b44 --- /dev/null +++ b/drivers/soc/qcom/trace-aoss.h @@ -0,0 +1,48 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (c) 2024 Qualcomm Innovation Center, Inc. All rights reserved. + */ + +#undef TRACE_SYSTEM +#define TRACE_SYSTEM qcom_aoss + +#if !defined(_TRACE_QCOM_AOSS_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_QCOM_AOSS_H + +#include <linux/tracepoint.h> + +TRACE_EVENT(aoss_send, + TP_PROTO(const char *msg), + TP_ARGS(msg), + TP_STRUCT__entry( + __string(msg, msg) + ), + TP_fast_assign( + __assign_str(msg, msg); + ), + TP_printk("%s", __get_str(msg)) +); + +TRACE_EVENT(aoss_send_done, + TP_PROTO(const char *msg, int ret), + TP_ARGS(msg, ret), + TP_STRUCT__entry( + __string(msg, msg) + __field(int, ret) + ), + TP_fast_assign( + __assign_str(msg, msg); + __entry->ret = ret; + ), + TP_printk("%s: %d", __get_str(msg), __entry->ret) +); + +#endif /* _TRACE_QCOM_AOSS_H */ + +#undef TRACE_INCLUDE_PATH +#define TRACE_INCLUDE_PATH . + +#undef TRACE_INCLUDE_FILE +#define TRACE_INCLUDE_FILE trace-aoss + +#include <trace/define_trace.h> |