diff options
Diffstat (limited to 'Documentation/cpu-freq/cpufreq-stats.txt')
| -rw-r--r-- | Documentation/cpu-freq/cpufreq-stats.txt | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/Documentation/cpu-freq/cpufreq-stats.txt b/Documentation/cpu-freq/cpufreq-stats.txt index 6a82948ff4bd59..53d62c1e1c94f6 100644 --- a/Documentation/cpu-freq/cpufreq-stats.txt +++ b/Documentation/cpu-freq/cpufreq-stats.txt @@ -1,5 +1,5 @@ - CPU frequency and voltage scaling statictics in the Linux(TM) kernel + CPU frequency and voltage scaling statistics in the Linux(TM) kernel L i n u x c p u f r e q - s t a t s d r i v e r @@ -18,8 +18,8 @@ Contents 1. Introduction cpufreq-stats is a driver that provices CPU frequency statistics for each CPU. -This statistics is provided in /sysfs as a bunch of read_only interfaces. This -interface (when configured) will appear in a seperate directory under cpufreq +These statistics are provided in /sysfs as a bunch of read_only interfaces. This +interface (when configured) will appear in a separate directory under cpufreq in /sysfs (<sysfs root>/devices/system/cpu/cpuX/cpufreq/stats/) for each CPU. Various statistics will form read_only files under this directory. @@ -53,7 +53,7 @@ drwxr-xr-x 3 root root 0 May 14 15:58 .. This gives the amount of time spent in each of the frequencies supported by this CPU. The cat output will have "<frequency> <time>" pair in each line, which will mean this CPU spent <time> usertime units of time at <frequency>. Output -will have one line for each of the supported freuencies. usertime units here +will have one line for each of the supported frequencies. usertime units here is 10mS (similar to other time exported in /proc). -------------------------------------------------------------------------------- @@ -115,7 +115,7 @@ basic statistics which includes time_in_state and total_trans. "CPU frequency translation statistics details" (CONFIG_CPU_FREQ_STAT_DETAILS) provides fine grained cpufreq stats by trans_table. The reason for having a -seperate config option for trans_table is: +separate config option for trans_table is: - trans_table goes against the traditional /sysfs rule of one value per interface. It provides a whole bunch of value in a 2 dimensional matrix form. |