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sdm845-common: power: Use monotonic time for interaction boost

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Using the wall clock will cause boosts to be disabled
when/if the clock is adjusted backward.

Bug: 29191415
Bug: 29208304
Change-Id: I8af5f40b46d996ce7bccb8324fc186e2f3a5b267
This commit is contained in:
Wei Wang
2016-06-07 18:44:31 -07:00
committed by Luca Stefani
parent 9137790aed
commit 842f449872
3 changed files with 23 additions and 11 deletions
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10
power/utils.c
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@@ -42,6 +42,9 @@
#define LOG_TAG "QCOM PowerHAL"
#include <utils/Log.h>
#define USINSEC 1000000L
#define NSINUS 1000L
char scaling_gov_path[4][80] = {"sys/devices/system/cpu/cpu0/cpufreq/scaling_governor",
"sys/devices/system/cpu/cpu1/cpufreq/scaling_governor",
"sys/devices/system/cpu/cpu2/cpufreq/scaling_governor",
@@ -331,3 +334,10 @@ void undo_initial_hint_action() {
}
}
}
long long calc_timespan_us(struct timespec start, struct timespec end) {
long long diff_in_us = 0;
diff_in_us += (end.tv_sec - start.tv_sec) * USINSEC;
diff_in_us += (end.tv_nsec - start.tv_nsec) / NSINUS;
return diff_in_us;
}