diff options
| author | Lisa Nguyen <lisa.nguyen@linaro.org> | 2015-11-17 17:24:28 -0800 |
|---|---|---|
| committer | Lisa Nguyen <lisa.nguyen@linaro.org> | 2015-11-19 17:34:09 -0800 |
| commit | e714553039fcac2471b2d222cfb3c08b17f52b6d (patch) | |
| tree | c402bc4e0e662077fcd71d853dc20fd4358d39f5 | |
| parent | bab54c06eb5009db6b7196f33d36094bfadfd465 (diff) | |
functions: Rewrite wait_latency() function
Improve the logic on finding the sampling_rate. If
the sampling_rate cannot be found at all, return 1.
Signed-off-by: Lisa Nguyen <lisa.nguyen@linaro.org>
| -rw-r--r-- | include/functions.sh | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/include/functions.sh b/include/functions.sh index 74e85c7..b849cce 100644 --- a/include/functions.sh +++ b/include/functions.sh @@ -169,20 +169,30 @@ wait_latency() { # consider per-policy governor case if [ -e $CPU_PATH/$wait_latency_cpu/cpufreq/$gov ]; then - sampling_rate=$(cat $CPU_PATH/$wait_latency_cpu/cpufreq/$gov/sampling_rate) + #try one path to see if the sampling_rate can be found + if [ -e $CPU_PATH/$wait_latency_cpu/cpufreq/$gov/sampling_rate ]; then + sampling_rate=$(cat $CPU_PATH/$wait_latency_cpu/cpufreq/$gov/sampling_rate) + else + # try another path to get the sampling_rate + if [ -e $CPU_PATH/cpufreq/$gov/sampling_rate ]; then + sampling_rate=$(cat $CPU_PATH/cpufreq/$gov/sampling_rate) + else + return 1 + fi + fi else - sampling_rate=$(cat $CPU_PATH/cpufreq/$gov/sampling_rate) + return 1 fi sampling_rate=$((sampling_rate * 1000)) # unit nsec latency=$(cat $cpufreq_dirpath/cpuinfo_transition_latency) if [ $? -ne 0 ]; then - return 1 + return 1 fi nrfreq=$(cat $cpufreq_dirpath/scaling_available_frequencies | wc -w) if [ $? -ne 0 ]; then - return 1 + return 1 fi nrfreq=$((nrfreq + 1)) |