#include <linux/string.h>
#include <linux/thermal.h>
+#define CREATE_TRACE_POINTS
+#include <trace/events/hwmon.h>
+
#define HWMON_ID_PREFIX "hwmon"
#define HWMON_ID_FORMAT HWMON_ID_PREFIX "%d"
}
#endif /* IS_REACHABLE(CONFIG_THERMAL) && ... */
+static int hwmon_attr_base(enum hwmon_sensor_types type)
+{
+ if (type == hwmon_in)
+ return 0;
+ return 1;
+}
+
/* sysfs attribute management */
static ssize_t hwmon_attr_show(struct device *dev,
if (ret < 0)
return ret;
+ trace_hwmon_attr_show(hattr->index + hwmon_attr_base(hattr->type),
+ hattr->name, val);
+
return sprintf(buf, "%ld\n", val);
}
char *buf)
{
struct hwmon_device_attribute *hattr = to_hwmon_attr(devattr);
+ enum hwmon_sensor_types type = hattr->type;
const char *s;
int ret;
if (ret < 0)
return ret;
+ trace_hwmon_attr_show_string(hattr->index + hwmon_attr_base(type),
+ hattr->name, s);
+
return sprintf(buf, "%s\n", s);
}
if (ret < 0)
return ret;
- return count;
-}
+ trace_hwmon_attr_store(hattr->index + hwmon_attr_base(hattr->type),
+ hattr->name, val);
-static int hwmon_attr_base(enum hwmon_sensor_types type)
-{
- if (type == hwmon_in)
- return 0;
- return 1;
+ return count;
}
static bool is_string_attr(enum hwmon_sensor_types type, u32 attr)
--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM hwmon
+
+#if !defined(_TRACE_HWMON_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HWMON_H
+
+#include <linux/tracepoint.h>
+
+DECLARE_EVENT_CLASS(hwmon_attr_class,
+
+ TP_PROTO(int index, const char *attr_name, long val),
+
+ TP_ARGS(index, attr_name, val),
+
+ TP_STRUCT__entry(
+ __field(int, index)
+ __string(attr_name, attr_name)
+ __field(long, val)
+ ),
+
+ TP_fast_assign(
+ __entry->index = index;
+ __assign_str(attr_name, attr_name);
+ __entry->val = val;
+ ),
+
+ TP_printk("index=%d, attr_name=%s, val=%ld",
+ __entry->index, __get_str(attr_name), __entry->val)
+);
+
+DEFINE_EVENT(hwmon_attr_class, hwmon_attr_show,
+
+ TP_PROTO(int index, const char *attr_name, long val),
+
+ TP_ARGS(index, attr_name, val)
+);
+
+DEFINE_EVENT(hwmon_attr_class, hwmon_attr_store,
+
+ TP_PROTO(int index, const char *attr_name, long val),
+
+ TP_ARGS(index, attr_name, val)
+);
+
+TRACE_EVENT(hwmon_attr_show_string,
+
+ TP_PROTO(int index, const char *attr_name, const char *s),
+
+ TP_ARGS(index, attr_name, s),
+
+ TP_STRUCT__entry(
+ __field(int, index)
+ __string(attr_name, attr_name)
+ __string(label, s)
+ ),
+
+ TP_fast_assign(
+ __entry->index = index;
+ __assign_str(attr_name, attr_name);
+ __assign_str(label, s);
+ ),
+
+ TP_printk("index=%d, attr_name=%s, val=%s",
+ __entry->index, __get_str(attr_name), __get_str(label))
+);
+
+#endif /* _TRACE_HWMON_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>