Lines Matching +full:high +full:- +full:dynamic

1 This is cpufreq-bench, a microbenchmark for the cpufreq framework.
7   - Identify worst case performance loss when doing dynamic frequency
9   - Identify average reaction time of a governor to CPU load changes
10   - (Stress) Testing whether a cpufreq low level driver or governor works
12   - Identify cpufreq related performance regressions between kernels
13   - Possibly Real time priority testing? -> what happens if there are
15   - ...
18   - Power saving related regressions (In fact as better the performance
21   - Real world (workloads)
27 cpufreq-bench helps to test the condition of a given cpufreq governor.
60 with the dynamic freq scaling governor is compared with the time needed
80 trigger of the cpufreq-bench, you will see no performance loss (compare with
87       50     50   50   50ms ->time
88 load -----|     |-----|     |-----|     |-----|
90 sleep     |-----|     |-----|     |-----|     |----
91     |-----|-----|-----|-----|-----|-----|-----|----  ondemand sampling (1)
93        |-----|-----|-----|-----|-----|-----|-----|--   ondemand sampling (2)
107 cpufreq-bench Command Usage
109 -l, --load=<long int>           initial load time in us
110 -s, --sleep=<long int>          initial sleep time in us
111 -x, --load-step=<long int>      time to be added to load time, in us
112 -y, --sleep-step=<long int>     time to be added to sleep time, in us
113 -c, --cpu=<unsigned int>        CPU Number to use, starting at 0
114 -p, --prio=<priority>           scheduler priority, HIGH, LOW or DEFAULT
115 -g, --governor=<governor>       cpufreq governor to test
116 -n, --cycles=<int>              load/sleep cycles to get an average value to compare
117 -r, --rounds<int>               load/sleep rounds
118 -f, --file=<configfile>         config file to use
119 -o, --output=<dir>              output dir, must exist
120 -v, --verbose                   verbose output on/off
122 Due to the high priority, the application may not be responsible for some time.