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plugin_cpu: do not show error if cpupower or x86_energy_perf_policy are missing

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Now only warning is displayed similarly to the hdparm behavior.

Signed-off-by: Jaroslav Škarvada <jskarvad@redhat.com>
This commit is contained in:
Jaroslav Škarvada 2015-08-17 15:09:08 +02:00
parent bd0a87af0f
commit 90e9a93c73
1 changed files with 5 additions and 4 deletions
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9
tuned/plugins/plugin_cpu.py
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@ -5,6 +5,7 @@ from tuned.utils.commands import commands
import os
import struct
import errno
log = tuned.logs.get()
@ -52,19 +53,19 @@ class CPULatencyPlugin(base.Plugin):
}
def _check_cpupower(self):
if self._cmd.execute(["cpupower", "frequency-info"])[0] == 0:
if self._cmd.execute(["cpupower", "frequency-info"], no_errors = [errno.ENOENT])[0] == 0:
self._has_cpupower = True
else:
self._has_cpupower = False
log.warning("using sysfs fallback, is cpupower installed?")
log.warning("unable to run cpupower tool, using sysfs fallback, is cpupower installed?")
def _check_energy_perf_bias(self):
self._has_energy_perf_bias = False
retcode = self._cmd.execute(["x86_energy_perf_policy", "-r"])[0]
retcode = self._cmd.execute(["x86_energy_perf_policy", "-r"], no_errors = [errno.ENOENT])[0]
if retcode == 0:
self._has_energy_perf_bias = True
elif retcode == -1:
log.warning("error executing x86_energy_perf_policy tool, ignoring CPU energy performance bias, is the tool installed?")
log.warning("unable to run x86_energy_perf_policy tool, ignoring CPU energy performance bias, is the tool installed?")
else:
log.warning("your CPU doesn't support MSR_IA32_ENERGY_PERF_BIAS, ignoring CPU energy performance bias")