gpu_fdinfo: fix abnormally high power usage value at first launch

17314642 · 17314642 · commit 2a0ed4f937ed · 2024-12-08T03:07:31.000+03:00
diff --git a/src/gpu_fdinfo.cpp b/src/gpu_fdinfo.cpp
@@ -144,6 +144,10 @@ void GPU_fdinfo::find_intel_hwmon()
 
     if (!energy_stream.good())
         SPDLOG_DEBUG("Intel hwmon: failed to open {}", hwmon);
+
+    // Initialize value for the first time, otherwise delta will be very large
+    // and your gpu power usage will be like 1 million watts for a second.
+    this->last_power = get_current_power();
 }
 
 float GPU_fdinfo::get_current_power()

Original file line number	Diff line number	Diff line change
`@@ -144,6 +144,10 @@ void GPU_fdinfo::find_intel_hwmon()`
`144`	`144`
`145`	`145`	`if (!energy_stream.good())`
`146`	`146`	`SPDLOG_DEBUG("Intel hwmon: failed to open {}", hwmon);`
	`147`	`+`
	`148`	`+ // Initialize value for the first time, otherwise delta will be very large`
	`149`	`+ // and your gpu power usage will be like 1 million watts for a second.`
	`150`	`+ this->last_power = get_current_power();`
`147`	`151`	`}`
`148`	`152`
`149`	`153`	`float GPU_fdinfo::get_current_power()`