File use_cpupower_for_intel_perf_bias of Package tuned

Overview Repositories Revisions Requests Users Attributes Meta

File use_cpupower_for_intel_perf_bias of Package tuned

Index: tuned-2.3.0/tuned/plugins/plugin_cpu.py
===================================================================
--- tuned-2.3.0.orig/tuned/plugins/plugin_cpu.py
+++ tuned-2.3.0/tuned/plugins/plugin_cpu.py
@@ -90,7 +90,8 @@ class CPULatencyPlugin(base.Plugin):
 			# Check for cpupower, use workaround if not available
 			self._check_cpupower()
 			# Check for x86_energy_perf_policy, ignore if not available / supported
-			self._check_energy_perf_bias()
+			if self._has_cpupower is False:
+				self._check_energy_perf_bias()
 			# Check for intel_pstate
 			self._check_intel_pstate()
 		else:
@@ -206,7 +207,17 @@ class CPULatencyPlugin(base.Plugin):
 
 	@command_set("energy_perf_bias", per_device=True)
 	def _set_energy_perf_bias(self, energy_perf_bias, device):
-		if self._has_energy_perf_bias:
+		if self._has_cpupower is True:
+			bias_str = str(energy_perf_bias)
+			if bias_str == "performance":
+				bias_str = "0"
+			elif bias_str == "powersave":
+				bias_str = "15"
+			elif bias_str == "normal":
+				bias_str = "6"
+			cpu_id = device.lstrip("cpu")
+			tuned.utils.commands.execute(["cpupower", "-c", cpu_id, "set", "-b", bias_str])
+		elif self._has_energy_perf_bias:
 			log.info("setting energy_perf_bias '%s' on cpu '%s'" % (energy_perf_bias, device))
 			cpu_id = device.lstrip("cpu")
 			tuned.utils.commands.execute(["x86_energy_perf_policy", "-c", cpu_id, str(energy_perf_bias)])
@@ -214,14 +225,21 @@ class CPULatencyPlugin(base.Plugin):
 	@command_get("energy_perf_bias")
 	def _get_energy_perf_bias(self, device):
 		energy_perf_bias = None
-		if self._has_energy_perf_bias:
+		if self._has_cpupower is True:
+			cpu_id = device.lstrip("cpu")
+			retcode, lines = tuned.utils.commands.execute(["cpupower", "-c", cpu_id, "info", "-b"])
+		elif self._has_energy_perf_bias:
 			cpu_id = device.lstrip("cpu")
 			retcode, lines = tuned.utils.commands.execute(["x86_energy_perf_policy", "-c", cpu_id, "-r"])
-			if retcode == 0:
-				for line in lines.splitlines():
-					l = line.split()
-					if len(l) == 2:
-						energy_perf_bias = l[1]
-						break
+		else:
+			return None
+		if retcode == 0:
+			for line in lines.splitlines():
+				if line.startswith("analyzing CPU"):
+					continue
+				l = line.split()
+				if len(l) == 2:
+					energy_perf_bias = l[1]
+					break
 
 		return energy_perf_bias

Places

File use_cpupower_for_intel_perf_bias of Package tuned

Places