On Tuesday 05 August 2014 02:48 PM, Amit Kucheria wrote:

On Tue, Aug 5, 2014 at 1:39 PM, Sanjay Singh Rawat sanjay.rawat@linaro.org wrote:

...

• add the governor sampling rate with the frequency transition latency to

make sure tansition happens.

• bug 77

Replace with complete URL: https://bugs.linaro.org/show_bug.cgi?id=77 to make git changelogs much more useful.

ACK, thanks

...

Signed-off-by: Sanjay Singh Rawat sanjay.rawat@linaro.org

Looks good.

...

---

include/functions.sh | 16 +++++++++++++++- 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/include/functions.sh b/include/functions.sh index 417c725..5823a81 100644 --- a/include/functions.sh +++ b/include/functions.sh @@ -123,6 +123,17 @@ wait_latency() { local dirpath=$CPU_PATH/$cpu/cpufreq local latency= local nrfreq=

• local sampling_rate=

• local sleep_time=

• local gov=$(cat $dirpath/scaling_governor)

• # consider per-policy governor case

• if [ -e $CPU_PATH/$cpu/cpufreq/$gov ]; then

•   sampling_rate=$(cat $CPU_PATH/$cpu/cpufreq/$gov/sampling_rate)
  

• else

•    sampling_rate=$(cat $CPU_PATH/cpufreq/$gov/sampling_rate)
  

• fi

• sampling_rate=$((sampling_rate * 1000)) # unit nsec

  latency=$(cat $dirpath/cpuinfo_transition_latency) if [ $? -ne 0 ]; then

@@ -135,7 +146,10 @@ wait_latency() { fi

  nrfreq=$((nrfreq + 1))

• ../utils/nanosleep $(($nrfreq * $latency))

• sleep_time=$(($latency + $sampling_rate))

• ../utils/nanosleep $(($nrfreq * $sleep_time)) }

  frequnit() {

-- 1.8.3.2

---

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