drgreen/android_device_google_gs-common
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Use libaoc to provide consistent timestamp calculations

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Bug: 233923713
Change-Id: Iacd541815f40adef879e05d9bd8ded056e9a760d
This commit is contained in:
Craig Dooley 2022-05-25 21:21:04 +00:00 committed by Bryan Lavrich
parent 391f601be6
commit 9f4ac2c565
2 changed files with 5 additions and 5 deletions
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1
powerstats/Android.bp
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@ -20,5 +20,6 @@ cc_library {
shared_libs: [ shared_libs: [
"android.hardware.power.stats-impl.pixel", "android.hardware.power.stats-impl.pixel",
"libaoc",
], ],
} }

9
powerstats/AocStateResidencyDataProvider.cpp
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@ -18,6 +18,8 @@
#include <android-base/logging.h> #include <android-base/logging.h>
#include <aoc.h>
namespace aidl { namespace aidl {
namespace android { namespace android {
namespace hardware { namespace hardware {
@ -26,11 +28,8 @@ namespace stats {
AocStateResidencyDataProvider::AocStateResidencyDataProvider(std::vector<std::pair<std::string, AocStateResidencyDataProvider::AocStateResidencyDataProvider(std::vector<std::pair<std::string,
std::string>> ids, std::vector<std::pair<std::string, std::string>> states) { std::string>> ids, std::vector<std::pair<std::string, std::string>> states) {
// AoC stats are reported in ticks of 244.140625ns. The transform // AoC stats are reported in ticks
// function converts ticks to milliseconds. std::function<uint64_t(uint64_t)> aocTickToMs = [](uint64_t a) { return aoc_ticks_to_nanoseconds(a) / 1000000; };
// 1000000 / 244.140625 = 4096.
static const uint64_t AOC_CLK = 4096;
std::function<uint64_t(uint64_t)> aocTickToMs = [](uint64_t a) { return a / AOC_CLK; };
GenericStateResidencyDataProvider::StateResidencyConfig config = { GenericStateResidencyDataProvider::StateResidencyConfig config = {
.entryCountSupported = true, .entryCountSupported = true,
.entryCountPrefix = "Counter:", .entryCountPrefix = "Counter:",