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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 6a82948ff4bd..53d62c1e1c94 100644 --- a/Documentation/cpu-freq/cpufreq-stats.txt +++ b/Documentation/cpu-freq/cpufreq-stats.txt | |||
@@ -1,5 +1,5 @@ | |||
1 | 1 | ||
2 | CPU frequency and voltage scaling statictics in the Linux(TM) kernel | 2 | CPU frequency and voltage scaling statistics in the Linux(TM) kernel |
3 | 3 | ||
4 | 4 | ||
5 | L i n u x c p u f r e q - s t a t s d r i v e r | 5 | 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 | |||
18 | 1. Introduction | 18 | 1. Introduction |
19 | 19 | ||
20 | cpufreq-stats is a driver that provices CPU frequency statistics for each CPU. | 20 | cpufreq-stats is a driver that provices CPU frequency statistics for each CPU. |
21 | This statistics is provided in /sysfs as a bunch of read_only interfaces. This | 21 | These statistics are provided in /sysfs as a bunch of read_only interfaces. This |
22 | interface (when configured) will appear in a seperate directory under cpufreq | 22 | interface (when configured) will appear in a separate directory under cpufreq |
23 | in /sysfs (<sysfs root>/devices/system/cpu/cpuX/cpufreq/stats/) for each CPU. | 23 | in /sysfs (<sysfs root>/devices/system/cpu/cpuX/cpufreq/stats/) for each CPU. |
24 | Various statistics will form read_only files under this directory. | 24 | Various statistics will form read_only files under this directory. |
25 | 25 | ||
@@ -53,7 +53,7 @@ drwxr-xr-x 3 root root 0 May 14 15:58 .. | |||
53 | This gives the amount of time spent in each of the frequencies supported by | 53 | This gives the amount of time spent in each of the frequencies supported by |
54 | this CPU. The cat output will have "<frequency> <time>" pair in each line, which | 54 | this CPU. The cat output will have "<frequency> <time>" pair in each line, which |
55 | will mean this CPU spent <time> usertime units of time at <frequency>. Output | 55 | will mean this CPU spent <time> usertime units of time at <frequency>. Output |
56 | will have one line for each of the supported freuencies. usertime units here | 56 | will have one line for each of the supported frequencies. usertime units here |
57 | is 10mS (similar to other time exported in /proc). | 57 | is 10mS (similar to other time exported in /proc). |
58 | 58 | ||
59 | -------------------------------------------------------------------------------- | 59 | -------------------------------------------------------------------------------- |
@@ -115,7 +115,7 @@ basic statistics which includes time_in_state and total_trans. | |||
115 | 115 | ||
116 | "CPU frequency translation statistics details" (CONFIG_CPU_FREQ_STAT_DETAILS) | 116 | "CPU frequency translation statistics details" (CONFIG_CPU_FREQ_STAT_DETAILS) |
117 | provides fine grained cpufreq stats by trans_table. The reason for having a | 117 | provides fine grained cpufreq stats by trans_table. The reason for having a |
118 | seperate config option for trans_table is: | 118 | separate config option for trans_table is: |
119 | - trans_table goes against the traditional /sysfs rule of one value per | 119 | - trans_table goes against the traditional /sysfs rule of one value per |
120 | interface. It provides a whole bunch of value in a 2 dimensional matrix | 120 | interface. It provides a whole bunch of value in a 2 dimensional matrix |
121 | form. | 121 | form. |