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-rw-r--r--Documentation/trace/events-power.rst19
-rw-r--r--include/trace/events/power.h35
-rw-r--r--kernel/power/qos.c16
3 files changed, 35 insertions, 35 deletions
diff --git a/Documentation/trace/events-power.rst b/Documentation/trace/events-power.rst
index eec7453a168e..f45bf11fa88d 100644
--- a/Documentation/trace/events-power.rst
+++ b/Documentation/trace/events-power.rst
@@ -75,14 +75,6 @@ The PM QoS events are used for QoS add/update/remove request and for
target/flags update.
::
- pm_qos_add_request "pm_qos_class=%s value=%d"
- pm_qos_update_request "pm_qos_class=%s value=%d"
- pm_qos_remove_request "pm_qos_class=%s value=%d"
-
-The first parameter gives the QoS class name (e.g. "CPU_DMA_LATENCY").
-The second parameter is value to be added/updated/removed.
-::
-
pm_qos_update_target "action=%s prev_value=%d curr_value=%d"
pm_qos_update_flags "action=%s prev_value=0x%x curr_value=0x%x"
@@ -90,7 +82,7 @@ The first parameter gives the QoS action name (e.g. "ADD_REQ").
The second parameter is the previous QoS value.
The third parameter is the current QoS value to update.
-And, there are also events used for device PM QoS add/update/remove request.
+There are also events used for device PM QoS add/update/remove request.
::
dev_pm_qos_add_request "device=%s type=%s new_value=%d"
@@ -101,3 +93,12 @@ The first parameter gives the device name which tries to add/update/remove
QoS requests.
The second parameter gives the request type (e.g. "DEV_PM_QOS_RESUME_LATENCY").
The third parameter is value to be added/updated/removed.
+
+And, there are events used for CPU latency QoS add/update/remove request.
+::
+
+ pm_qos_add_request "value=%d"
+ pm_qos_update_request "value=%d"
+ pm_qos_remove_request "value=%d"
+
+The parameter is the value to be added/updated/removed.
diff --git a/include/trace/events/power.h b/include/trace/events/power.h
index ecf39daabf16..af5018aa9517 100644
--- a/include/trace/events/power.h
+++ b/include/trace/events/power.h
@@ -359,51 +359,50 @@ DEFINE_EVENT(power_domain, power_domain_target,
);
/*
- * The pm qos events are used for pm qos update
+ * CPU latency QoS events used for global CPU latency QoS list updates
*/
-DECLARE_EVENT_CLASS(pm_qos_request,
+DECLARE_EVENT_CLASS(cpu_latency_qos_request,
- TP_PROTO(int pm_qos_class, s32 value),
+ TP_PROTO(s32 value),
- TP_ARGS(pm_qos_class, value),
+ TP_ARGS(value),
TP_STRUCT__entry(
- __field( int, pm_qos_class )
__field( s32, value )
),
TP_fast_assign(
- __entry->pm_qos_class = pm_qos_class;
__entry->value = value;
),
- TP_printk("pm_qos_class=%s value=%d",
- __print_symbolic(__entry->pm_qos_class,
- { PM_QOS_CPU_DMA_LATENCY, "CPU_DMA_LATENCY" }),
+ TP_printk("CPU_DMA_LATENCY value=%d",
__entry->value)
);
-DEFINE_EVENT(pm_qos_request, pm_qos_add_request,
+DEFINE_EVENT(cpu_latency_qos_request, pm_qos_add_request,
- TP_PROTO(int pm_qos_class, s32 value),
+ TP_PROTO(s32 value),
- TP_ARGS(pm_qos_class, value)
+ TP_ARGS(value)
);
-DEFINE_EVENT(pm_qos_request, pm_qos_update_request,
+DEFINE_EVENT(cpu_latency_qos_request, pm_qos_update_request,
- TP_PROTO(int pm_qos_class, s32 value),
+ TP_PROTO(s32 value),
- TP_ARGS(pm_qos_class, value)
+ TP_ARGS(value)
);
-DEFINE_EVENT(pm_qos_request, pm_qos_remove_request,
+DEFINE_EVENT(cpu_latency_qos_request, pm_qos_remove_request,
- TP_PROTO(int pm_qos_class, s32 value),
+ TP_PROTO(s32 value),
- TP_ARGS(pm_qos_class, value)
+ TP_ARGS(value)
);
+/*
+ * General PM QoS events used for updates of PM QoS request lists
+ */
DECLARE_EVENT_CLASS(pm_qos_update,
TP_PROTO(enum pm_qos_req_action action, int prev_value, int curr_value),
diff --git a/kernel/power/qos.c b/kernel/power/qos.c
index a6bf53e9db17..afac7010e0f2 100644
--- a/kernel/power/qos.c
+++ b/kernel/power/qos.c
@@ -247,8 +247,8 @@ int pm_qos_request_active(struct pm_qos_request *req)
}
EXPORT_SYMBOL_GPL(pm_qos_request_active);
-static void cpu_latency_qos_update(struct pm_qos_request *req,
- enum pm_qos_req_action action, s32 value)
+static void cpu_latency_qos_apply(struct pm_qos_request *req,
+ enum pm_qos_req_action action, s32 value)
{
int ret = pm_qos_update_target(req->qos, &req->node, action, value);
if (ret > 0)
@@ -278,10 +278,10 @@ void pm_qos_add_request(struct pm_qos_request *req,
return;
}
- trace_pm_qos_add_request(PM_QOS_CPU_DMA_LATENCY, value);
+ trace_pm_qos_add_request(value);
req->qos = &cpu_latency_constraints;
- cpu_latency_qos_update(req, PM_QOS_ADD_REQ, value);
+ cpu_latency_qos_apply(req, PM_QOS_ADD_REQ, value);
}
EXPORT_SYMBOL_GPL(pm_qos_add_request);
@@ -305,12 +305,12 @@ void pm_qos_update_request(struct pm_qos_request *req, s32 new_value)
return;
}
- trace_pm_qos_update_request(PM_QOS_CPU_DMA_LATENCY, new_value);
+ trace_pm_qos_update_request(new_value);
if (new_value == req->node.prio)
return;
- cpu_latency_qos_update(req, PM_QOS_UPDATE_REQ, new_value);
+ cpu_latency_qos_apply(req, PM_QOS_UPDATE_REQ, new_value);
}
EXPORT_SYMBOL_GPL(pm_qos_update_request);
@@ -333,9 +333,9 @@ void pm_qos_remove_request(struct pm_qos_request *req)
return;
}
- trace_pm_qos_remove_request(PM_QOS_CPU_DMA_LATENCY, PM_QOS_DEFAULT_VALUE);
+ trace_pm_qos_remove_request(PM_QOS_DEFAULT_VALUE);
- cpu_latency_qos_update(req, PM_QOS_REMOVE_REQ, PM_QOS_DEFAULT_VALUE);
+ cpu_latency_qos_apply(req, PM_QOS_REMOVE_REQ, PM_QOS_DEFAULT_VALUE);
memset(req, 0, sizeof(*req));
}
EXPORT_SYMBOL_GPL(pm_qos_remove_request);