summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--MAINTAINERS1
-rw-r--r--drivers/soc/qcom/icc-bwmon.c6
-rw-r--r--drivers/soc/qcom/trace_icc-bwmon.h48
3 files changed, 54 insertions, 1 deletions
diff --git a/MAINTAINERS b/MAINTAINERS
index 42decde38320..aff8dc6aaa67 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -18855,6 +18855,7 @@ L: linux-arm-msm@vger.kernel.org
S: Maintained
F: Documentation/devicetree/bindings/interconnect/qcom,msm8998-bwmon.yaml
F: drivers/soc/qcom/icc-bwmon.c
+F: drivers/soc/qcom/trace_icc-bwmon.h
QUALCOMM IOMMU
M: Rob Clark <robdclark@gmail.com>
diff --git a/drivers/soc/qcom/icc-bwmon.c b/drivers/soc/qcom/icc-bwmon.c
index e7851974084b..f9235bc3aa3b 100644
--- a/drivers/soc/qcom/icc-bwmon.c
+++ b/drivers/soc/qcom/icc-bwmon.c
@@ -17,6 +17,8 @@
#include <linux/pm_opp.h>
#include <linux/regmap.h>
#include <linux/sizes.h>
+#define CREATE_TRACE_POINTS
+#include "trace_icc-bwmon.h"
/*
* The BWMON samples data throughput within 'sample_ms' time. With three
@@ -645,9 +647,10 @@ static irqreturn_t bwmon_intr_thread(int irq, void *dev_id)
struct icc_bwmon *bwmon = dev_id;
unsigned int irq_enable = 0;
struct dev_pm_opp *opp, *target_opp;
- unsigned int bw_kbps, up_kbps, down_kbps;
+ unsigned int bw_kbps, up_kbps, down_kbps, meas_kbps;
bw_kbps = bwmon->target_kbps;
+ meas_kbps = bwmon->target_kbps;
target_opp = dev_pm_opp_find_bw_ceil(bwmon->dev, &bw_kbps, 0);
if (IS_ERR(target_opp) && PTR_ERR(target_opp) == -ERANGE)
@@ -679,6 +682,7 @@ static irqreturn_t bwmon_intr_thread(int irq, void *dev_id)
bwmon_clear_irq(bwmon);
bwmon_enable(bwmon, irq_enable);
+ trace_qcom_bwmon_update(dev_name(bwmon->dev), meas_kbps, up_kbps, down_kbps);
if (bwmon->target_kbps == bwmon->current_kbps)
goto out;
diff --git a/drivers/soc/qcom/trace_icc-bwmon.h b/drivers/soc/qcom/trace_icc-bwmon.h
new file mode 100644
index 000000000000..beb8e6b485a9
--- /dev/null
+++ b/drivers/soc/qcom/trace_icc-bwmon.h
@@ -0,0 +1,48 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2024 Qualcomm Innovation Center, Inc. All rights reserved.
+ */
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM icc_bwmon
+
+#if !defined(_TRACE_ICC_BWMON_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_ICC_BWMON_H
+#include <linux/tracepoint.h>
+
+TRACE_EVENT(qcom_bwmon_update,
+ TP_PROTO(const char *name,
+ unsigned int meas_kbps, unsigned int up_kbps, unsigned int down_kbps),
+
+ TP_ARGS(name, meas_kbps, up_kbps, down_kbps),
+
+ TP_STRUCT__entry(
+ __string(name, name)
+ __field(unsigned int, meas_kbps)
+ __field(unsigned int, up_kbps)
+ __field(unsigned int, down_kbps)
+ ),
+
+ TP_fast_assign(
+ __assign_str(name);
+ __entry->meas_kbps = meas_kbps;
+ __entry->up_kbps = up_kbps;
+ __entry->down_kbps = down_kbps;
+ ),
+
+ TP_printk("name=%s meas_kbps=%u up_kbps=%u down_kbps=%u",
+ __get_str(name),
+ __entry->meas_kbps,
+ __entry->up_kbps,
+ __entry->down_kbps)
+);
+
+#endif /* _TRACE_ICC_BWMON_H */
+
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH ../../drivers/soc/qcom/
+
+#undef TRACE_INCLUDE_FILE
+#define TRACE_INCLUDE_FILE trace_icc-bwmon
+
+#include <trace/define_trace.h>