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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2018-11-07 12:19:29 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2018-11-07 12:20:17 +0000 |
commit | a64a253794ac64cb40befee54db53bde17dd0d49 (patch) | |
tree | c1024acc5f6e508814b944d99f112259bb28b1be /collectors/python.d.plugin/cpufreq/README.md | |
parent | New upstream version 1.10.0+dfsg (diff) | |
download | netdata-2dec20452b290c484d509f7ac9a29b38cf690223.tar.xz netdata-2dec20452b290c484d509f7ac9a29b38cf690223.zip |
New upstream version 1.11.0+dfsgupstream/1.11.0+dfsg
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'collectors/python.d.plugin/cpufreq/README.md')
-rw-r--r-- | collectors/python.d.plugin/cpufreq/README.md | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/collectors/python.d.plugin/cpufreq/README.md b/collectors/python.d.plugin/cpufreq/README.md new file mode 100644 index 000000000..33891d59d --- /dev/null +++ b/collectors/python.d.plugin/cpufreq/README.md @@ -0,0 +1,30 @@ +# cpufreq + +This module shows the current CPU frequency as set by the cpufreq kernel +module. + +**Requirement:** +You need to have `CONFIG_CPU_FREQ` and (optionally) `CONFIG_CPU_FREQ_STAT` +enabled in your kernel. + +This module tries to read from one of two possible locations. On +initialization, it tries to read the `time_in_state` files provided by +cpufreq\_stats. If this file does not exist, or doesn't contain valid data, it +falls back to using the more inaccurate `scaling_cur_freq` file (which only +represents the **current** CPU frequency, and doesn't account for any state +changes which happen between updates). + +It produces one chart with multiple lines (one line per core). + +### configuration + +Sample: + +```yaml +sys_dir: "/sys/devices" +``` + +If no configuration is given, module will search for cpufreq files in `/sys/devices` directory. +Directory is also prefixed with `NETDATA_HOST_PREFIX` if specified. + +--- |