sys-clk-OC: Separate governor into multiple modules that could be disabled individually

This commit is contained in:
KazushiM
2023-02-09 22:21:11 +08:00
parent 8285e84071
commit b0ace1d8ae
9 changed files with 529 additions and 401 deletions

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@@ -135,7 +135,7 @@ Copy the `atmosphere`, and `switch` folders at the root of your sdcard, overwrit
* sys-clk overlay (accessible from anywhere by invoking the [Tesla menu](https://gbatemp.net/threads/tesla-the-nintendo-switch-overlay-menu.557362/))
`/switch/.overlays/sys-clk-overlay.ovl`
* sys-clk core sysmodule
`/atmosphere/contents/00FF0000636C6BFF/exefs.nsp`
@@ -143,7 +143,7 @@ Copy the `atmosphere`, and `switch` folders at the root of your sdcard, overwrit
## Config
Presets can be customized by adding them to the ini config file located at `/config/sys-clk/config.ini`, using the following template for each app
Presets can be customized by adding them to the ini config file located at `/config/sys-clk/config.ini`, using the following template for each app
```
[Application Title ID]
@@ -162,14 +162,14 @@ handheld_charging_official_mem=
handheld_cpu=
handheld_gpu=
handheld_mem=
governor_disabled=
governor_config=
```
* Replace `Application Title ID` with the title id of the game/application you're interested in customizing.
A list of games title id can be found in the [Switchbrew wiki](https://switchbrew.org/wiki/Title_list/Games).
* Frequencies are expressed in mhz, and will be scaled to the nearest possible values, described in the clock table below.
* If any key is omitted, value is empty or set to 0, it will be ignored, and stock clocks will apply.
* If charging, sys-clk will look for the frequencies in that order, picking the first found
* If charging, sys-clk will look for the frequencies in that order, picking the first found
1. Charger specific config (USB or Official) `handheld_charging_usb_X` or `handheld_charging_official_X`
2. Non specific charging config `handheld_charging_X`
3. Handheld config `handheld_X`

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@@ -63,7 +63,6 @@ typedef struct
{
bool systemCoreBoostCPU;
bool batteryChargingDisabledOverride;
bool governor;
SysClkProfile realProfile;
} SysClkOcExtra;
@@ -72,7 +71,20 @@ typedef struct
uint32_t values[20];
} SysClkFrequencyTable;
uint32_t* GetTable(SysClkModule module);
uint32_t* GetModuleFreqTable(SysClkModule module);
uint32_t GetModuleMaximumFreq(SysClkModule module);
typedef enum {
SysClkOcGovernorConfig_AllDisabled = 0,
SysClkOcGovernorConfig_CPU_Shift = 0,
SysClkOcGovernorConfig_CPUOnly = 1,
SysClkOcGovernorConfig_CPU = 1 << SysClkOcGovernorConfig_CPU_Shift,
SysClkOcGovernorConfig_GPU_Shift = 1 << SysClkOcGovernorConfig_CPU_Shift,
SysClkOcGovernorConfig_GPUOnly = 1 << SysClkOcGovernorConfig_GPU_Shift,
SysClkOcGovernorConfig_GPU = 1 << SysClkOcGovernorConfig_GPU_Shift,
SysClkOcGovernorConfig_Default = 3,
SysClkOcGovernorConfig_Mask = 3,
} SysClkOcGovernorConfig;
typedef struct
{
@@ -80,7 +92,7 @@ typedef struct
uint32_t mhz[(size_t)SysClkProfile_EnumMax * (size_t)SysClkModule_EnumMax];
uint32_t mhzMap[SysClkProfile_EnumMax][SysClkModule_EnumMax];
};
bool governorDisabled;
SysClkOcGovernorConfig governorConfig;
} SysClkTitleProfileList;
#define SYSCLK_GLOBAL_PROFILE_TID 0xA111111111111111

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@@ -76,7 +76,7 @@ uint32_t g_freq_table_gpu_hz[] = {
0,
};
uint32_t* GetTable(SysClkModule module) {
uint32_t* GetModuleFreqTable(SysClkModule module) {
switch (module) {
case SysClkModule_CPU:
return &g_freq_table_cpu_hz[0];
@@ -88,3 +88,12 @@ uint32_t* GetTable(SysClkModule module) {
return NULL;
}
}
uint32_t GetModuleMaximumFreq(SysClkModule module) {
uint32_t* p = GetModuleFreqTable(module);
if (p == NULL || *p == 0)
return UINT32_MAX;
while (*(++p));
return *(--p);
}

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@@ -73,14 +73,29 @@ void AppProfileGui::listUI()
bool globalGovernorEnabled = configList->values[SysClkConfigValue_GovernorExperimental];
if (globalGovernorEnabled) {
tsl::elm::ToggleListItem* governorToggle = new tsl::elm::ToggleListItem("Disable governor", this->profileList->governorDisabled);
governorToggle->setStateChangedListener([this](bool state) {
this->profileList->governorDisabled = state;
tsl::elm::ToggleListItem* cpuGovernorToggle = new tsl::elm::ToggleListItem("CPU Freq Governor",
(this->profileList->governorConfig >> SysClkOcGovernorConfig_CPU_Shift) & 1);
cpuGovernorToggle->setStateChangedListener([this](bool state) {
this->profileList->governorConfig =
SysClkOcGovernorConfig((this->profileList->governorConfig & SysClkOcGovernorConfig_GPUOnly) | state << SysClkOcGovernorConfig_CPU_Shift);
Result rc = sysclkIpcSetProfiles(this->applicationId, this->profileList);
if (R_FAILED(rc))
FatalGui::openWithResultCode("sysclkIpcSetProfiles", rc);
});
this->listElement->addItem(governorToggle);
this->listElement->addItem(cpuGovernorToggle);
tsl::elm::ToggleListItem* gpuGovernorToggle = new tsl::elm::ToggleListItem("GPU Freq Governor",
(this->profileList->governorConfig >> SysClkOcGovernorConfig_GPU_Shift) & 1);
gpuGovernorToggle->setStateChangedListener([this](bool state) {
this->profileList->governorConfig =
SysClkOcGovernorConfig((this->profileList->governorConfig & SysClkOcGovernorConfig_CPUOnly) | state << SysClkOcGovernorConfig_GPU_Shift);
Result rc = sysclkIpcSetProfiles(this->applicationId, this->profileList);
if (R_FAILED(rc))
FatalGui::openWithResultCode("sysclkIpcSetProfiles", rc);
});
this->listElement->addItem(gpuGovernorToggle);
}
delete configList;

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@@ -59,7 +59,6 @@ ClockManager::ClockManager()
this->oc = new SysClkOcExtra;
this->oc->systemCoreBoostCPU = false;
this->oc->batteryChargingDisabledOverride = false;
this->oc->governor = false;
this->oc->realProfile = SysClkProfile_Handheld;
this->rnxSync = new ReverseNXSync;
@@ -150,12 +149,12 @@ void ClockManager::Tick()
uint32_t hz = GetHz((SysClkModule)module);
this->governor->SetMaxHz(hz, (SysClkModule)module);
bool handledByGovernor = this->oc->governor && (module != SysClkModule_MEM);
if (hz && hz != this->context->freqs[module] && !handledByGovernor)
if (hz && hz != this->context->freqs[module] && !this->governor->IsHandledByGovernor((SysClkModule)module))
{
// Skip setting CPU or GPU clocks in CpuBoostMode if CPU <= boostCPUFreq or GPU >= 76.8MHz
bool skipBoost = apmExtIsBoostMode(this->context->perfConfId);
skipBoost &= (module == SysClkModule_CPU && hz <= Clocks::boostCpuFreq) || module == SysClkModule_GPU;
bool skipBoost = apmExtIsBoostMode(this->context->perfConfId) &&
((module == SysClkModule_CPU && hz <= Clocks::boostCpuFreq) || module == SysClkModule_GPU);
if (!skipBoost) {
FileUtils::LogLine("[mgr] %s clock set : %u.%u MHz", Clocks::GetModuleName((SysClkModule)module, true), hz/1000000, hz/100000 - hz/1000000*10);
Clocks::SetHz((SysClkModule)module, hz);
@@ -174,7 +173,7 @@ void ClockManager::WaitForNextTick()
/* Self-check system core (#3) usage via idleticks at intervals (Not enabled at higher CPU freq or without charger) */
uint64_t tickWaitTimeMs = this->GetConfig()->GetConfigValue(SysClkConfigValue_PollingIntervalMs);
if (this->oc->governor) {
if (this->governor->IsHandledByGovernor(SysClkModule_CPU)) {
svcSleepThread(tickWaitTimeMs * 1000'000ULL);
return;
}
@@ -240,21 +239,14 @@ bool ClockManager::RefreshContext()
this->rnxSync->Reset(applicationId);
}
bool governor = this->GetConfig()->GetConfigValue(SysClkConfigValue_GovernorExperimental);
governor &= !this->GetConfig()->GetTitleGovernorDisabled(applicationId);
if (governor != this->oc->governor)
{
this->oc->governor = governor;
FileUtils::LogLine("[mgr] Governor status: %s", governor ? "enabled" : "disabled");
hasChanged = true;
}
if (hasChanged) {
if (enabled && governor)
this->governor->Start();
else
this->governor->Stop();
SysClkOcGovernorConfig governorConfig = SysClkOcGovernorConfig_AllDisabled;
if (this->GetConfig()->GetConfigValue(SysClkConfigValue_GovernorExperimental)) {
governorConfig = SysClkOcGovernorConfig_Default;
SysClkOcGovernorConfig governorConfigTitle = this->GetConfig()->GetTitleGovernorConfig(applicationId);
if (governorConfig != governorConfigTitle)
governorConfig = governorConfigTitle;
}
this->governor->SetConfig(governorConfig);
SysClkProfile realProfile = Clocks::GetCurrentProfile();
if (realProfile != this->oc->realProfile)
@@ -301,8 +293,7 @@ bool ClockManager::RefreshContext()
if (hz != 0 && hz != this->context->freqs[module])
{
this->context->freqs[module] = hz;
bool handledByGovernor = this->oc->governor && (module != SysClkModule_MEM);
if (!handledByGovernor) {
if (!this->governor->IsHandledByGovernor((SysClkModule)module)) {
FileUtils::LogLine("[mgr] %s clock change: %u.%u MHz", Clocks::GetModuleName((SysClkModule)module, true), hz/1000000, hz/100000 - hz/1000000*10);
hasChanged = true;
}

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@@ -25,7 +25,7 @@ Config::Config(std::string path)
this->loaded = false;
this->profileMhzMap = std::map<std::tuple<std::uint64_t, SysClkProfile, SysClkModule>, std::uint32_t>();
this->profileCountMap = std::map<std::uint64_t, std::uint8_t>();
this->profileGovernorDisabled = std::map<std::uint64_t, bool>();
this->profileGovernorMap = std::map<std::uint64_t, SysClkOcGovernorConfig>();
this->mtime = 0;
this->enabled = false;
for(unsigned int i = 0; i < SysClkModule_EnumMax; i++)
@@ -79,7 +79,7 @@ void Config::Close()
this->loaded = false;
this->profileMhzMap.clear();
this->profileCountMap.clear();
this->profileGovernorDisabled.clear();
this->profileGovernorMap.clear();
for(unsigned int i = 0; i < SysClkConfigValue_EnumMax; i++)
{
@@ -171,18 +171,18 @@ std::uint32_t Config::GetAutoClockHz(std::uint64_t tid, SysClkModule module, Sys
return 0;
}
bool Config::GetTitleGovernorDisabled(std::uint64_t tid)
SysClkOcGovernorConfig Config::GetTitleGovernorConfig(std::uint64_t tid)
{
if (this->loaded)
{
std::map<uint64_t, bool>::const_iterator it = this->profileGovernorDisabled.find(tid);
if (it != this->profileGovernorDisabled.end())
std::map<uint64_t, SysClkOcGovernorConfig>::const_iterator it = this->profileGovernorMap.find(tid);
if (it != this->profileGovernorMap.end())
{
return it->second;
}
}
return false;
return SysClkOcGovernorConfig_Default;
}
void Config::GetProfiles(std::uint64_t tid, SysClkTitleProfileList* out_profiles)
@@ -197,11 +197,12 @@ void Config::GetProfiles(std::uint64_t tid, SysClkTitleProfileList* out_profiles
}
}
std::map<uint64_t, bool>::const_iterator it = this->profileGovernorDisabled.find(tid);
bool governorDisabled = false;
if (it != this->profileGovernorDisabled.end() && it->second)
governorDisabled = true;
out_profiles->governorDisabled = governorDisabled;
std::map<uint64_t, SysClkOcGovernorConfig>::const_iterator it = this->profileGovernorMap.find(tid);
SysClkOcGovernorConfig governor = SysClkOcGovernorConfig_Default;
// Found
if (it != this->profileGovernorMap.end())
governor = it->second;
out_profiles->governorConfig = governor;
}
bool Config::SetProfiles(std::uint64_t tid, SysClkTitleProfileList* profiles, bool immediate)
@@ -254,9 +255,9 @@ bool Config::SetProfiles(std::uint64_t tid, SysClkTitleProfileList* profiles, bo
}
}
if (profiles->governorDisabled) {
snprintf(sk, 0x40, "%s", CONFIG_KEY_TITLE_GOVERNOR_DISABLED);
snprintf(sv, 0x10, "%d", profiles->governorDisabled);
if (profiles->governorConfig != SysClkOcGovernorConfig_Default) {
snprintf(sk, 0x40, "%s", CONFIG_KEY_TITLE_GOVERNOR_CONFIG);
snprintf(sv, 0x10, "%d", profiles->governorConfig);
*ik++ = sk;
*iv++ = sv;
}
@@ -290,10 +291,10 @@ bool Config::SetProfiles(std::uint64_t tid, SysClkTitleProfileList* profiles, bo
}
}
if (profiles->governorDisabled)
this->profileGovernorDisabled[tid] = profiles->governorDisabled;
if (profiles->governorConfig == SysClkOcGovernorConfig_Default)
this->profileGovernorMap.erase(tid);
else
this->profileGovernorDisabled.erase(tid);
this->profileGovernorMap[tid] = profiles->governorConfig;
}
return true;
@@ -343,13 +344,13 @@ int Config::BrowseIniFunc(const char* section, const char* key, const char* valu
return 1;
}
if (!strcmp(key, CONFIG_KEY_TITLE_GOVERNOR_DISABLED)) {
if (!strcmp(key, CONFIG_KEY_TITLE_GOVERNOR_CONFIG)) {
input = strtoul(value, NULL, 0);
if ((input & 0x1) != input) {
input = 0;
if ((input & SysClkOcGovernorConfig_Mask) != input) {
input = SysClkOcGovernorConfig_Default;
FileUtils::LogLine("[cfg] Invalid value for key '%s' in section '%s': using default %d", key, section, input);
}
config->profileGovernorDisabled[tid] = (bool)input;
config->profileGovernorMap[tid] = (SysClkOcGovernorConfig)input;
return 1;
}

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@@ -21,7 +21,7 @@
#define CONFIG_VAL_SECTION "values"
#define CONFIG_KEY_TITLE_GOVERNOR_DISABLED "governor_disabled"
#define CONFIG_KEY_TITLE_GOVERNOR_CONFIG "governor_config"
class Config
{
@@ -39,7 +39,7 @@ class Config
void GetProfiles(std::uint64_t tid, SysClkTitleProfileList* out_profiles);
bool SetProfiles(std::uint64_t tid, SysClkTitleProfileList* profiles, bool immediate);
std::uint32_t GetAutoClockHz(std::uint64_t tid, SysClkModule module, SysClkProfile profile);
bool GetTitleGovernorDisabled(std::uint64_t tid);
SysClkOcGovernorConfig GetTitleGovernorConfig(std::uint64_t tid);
void SetEnabled(bool enabled);
bool Enabled();
@@ -61,7 +61,7 @@ class Config
std::map<std::tuple<std::uint64_t, SysClkProfile, SysClkModule>, std::uint32_t> profileMhzMap;
std::map<std::uint64_t, std::uint8_t> profileCountMap;
std::map<std::uint64_t, bool> profileGovernorDisabled;
std::map<std::uint64_t, SysClkOcGovernorConfig> profileGovernorMap;
bool loaded;
std::string path;
time_t mtime;

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@@ -90,6 +90,7 @@ ReverseNXMode ReverseNXSync::RecheckToolMode() {
if (this->m_tool_enabled) {
const char* fileName = "_ZN2nn2oe16GetOperationModeEv.asm64"; // or _ZN2nn2oe18GetPerformanceModeEv.asm64
const char* filePath = new char[72];
SCOPE_EXIT { delete[] filePath; };
/* Check per-game patch */
snprintf((char*)filePath, 72, "/SaltySD/patches/%016lX/%s", this->m_app_id, fileName);
mode = this->GetToolModeFromPatch(filePath);
@@ -98,7 +99,6 @@ ReverseNXMode ReverseNXSync::RecheckToolMode() {
snprintf((char*)filePath, 72, "/SaltySD/patches/%s", fileName);
mode = this->GetToolModeFromPatch(filePath);
}
delete[] filePath;
}
return mode;
@@ -135,157 +135,94 @@ void PsmExt::ChargingHandler(ClockManager* instance) {
delete info;
}
Governor::Governor() {
memset(reinterpret_cast<void*>(&m_cpu_freq), 0, sizeof(m_cpu_freq));
memset(reinterpret_cast<void*>(&m_gpu_freq), 0, sizeof(m_gpu_freq));
m_cpu_freq.module = SysClkModule_CPU;
m_gpu_freq.module = SysClkModule_GPU;
m_cpu_freq.hz_list = GetTable(SysClkModule_CPU);
m_gpu_freq.hz_list = GetTable(SysClkModule_GPU);
m_cpu_freq.boost_hz = Clocks::boostCpuFreq;
m_cpu_freq.utilref_hz = 2397'000'000;
m_gpu_freq.boost_hz = 76'800'000;
m_gpu_freq.min_hz = 153'600'000;
m_gpu_freq.utilref_hz = 1305'600'000;
nvInitialize();
Result rc = nvOpen(&m_nvgpu_field, "/dev/nvhost-ctrl-gpu");
if (R_FAILED(rc)) {
ASSERT_RESULT_OK(rc, "nvOpen");
nvExit();
}
}
Governor::~Governor() {
Stop();
nvClose(m_nvgpu_field);
nvExit();
}
void Governor::Start() {
if (m_running)
return;
m_running = true;
Result rc = 0;
for (int core = 0; core < CORE_NUMS; core++) {
s_CoreContext* s = &m_cpu_core_ctx[core];
s->self = this;
s->id = core;
int prio = (core == CORE_NUMS - 1) ? 0x3F : 0x3B; // Pre-emptive MT
rc = threadCreate(&m_t_cpuworker[core], &CpuUtilWorker, (void*)s, NULL, 0x400, prio, core);
ASSERT_RESULT_OK(rc, "threadCreate");
rc = threadStart(&m_t_cpuworker[core]);
ASSERT_RESULT_OK(rc, "threadStart");
}
rc = threadCreate(&m_t_main, &Main, (void*)this, NULL, 0x400, 0x3F, 3);
ASSERT_RESULT_OK(rc, "threadCreate");
rc = threadStart(&m_t_main);
ASSERT_RESULT_OK(rc, "threadStart");
}
void Governor::Stop() {
if (!m_running)
return;
m_running = false;
svcSleepThread(TICK_TIME_NS);
threadWaitForExit(&m_t_main);
threadClose(&m_t_main);
for (int core = 0; core < CORE_NUMS; core++) {
threadWaitForExit(&m_t_cpuworker[core]);
threadClose(&m_t_cpuworker[core]);
}
}
void Governor::SetMaxHz(uint32_t max_hz, SysClkModule module) {
if (!max_hz) // Fallback to apm configuration
max_hz = Clocks::GetStockClock(m_apm_conf, (SysClkModule)module);
switch (module) {
case SysClkModule_CPU:
m_cpu_freq.max_hz = max_hz;
break;
case SysClkModule_GPU:
m_gpu_freq.max_hz = max_hz;
m_gpu_freq.min_hz = (m_gpu_freq.max_hz <= 153'600'000) ? max_hz : 153'600'000;
break;
default:
break;
}
}
void Governor::SetPerfConf(uint32_t id) {
m_perf_conf_id = id;
m_apm_conf = Clocks::GetEmbeddedApmConfig(id);
}
uint32_t Governor::s_FreqContext::GetNormalizedUtil(uint32_t raw_util) {
return ((uint64_t)raw_util * target_hz / utilref_hz);
}
namespace GovernorImpl {
// Schedutil: https://github.com/torvalds/linux/blob/master/kernel/sched/cpufreq_schedutil.c
// C = 1.25, tipping-point 80.0% (used in Linux schedutil), 1.25 -> 1 + (1 >> 2)
// C = 1.5, tipping-point 66.7%, 1.5 -> 1 + (1 >> 1)
// Utilization is frequency-invariant (normalized):
// next_freq = C * max_freq(ref_freq) * util / max
void Governor::s_FreqContext::SetNextFreq(uint32_t norm_util) {
uint32_t prev_hz = target_hz;
auto FindHzInTable = [](uint32_t* hz_list, uint32_t in_hz) {
uint32_t* p = hz_list;
// target_freq = C * max_freq(ref_freq) * util / max
void BaseGovernor::ApplyNewFreqFromNormUtil(uint32_t normUtil) {
auto FindHzInTable = [](uint32_t* list, uint32_t hz) -> uint32_t {
uint32_t* p = list;
for (; *p != 0; p++) {
if (in_hz <= *p)
return p;
if (hz <= *p)
return *p;
}
return (--p);
return *(--p);
};
uint32_t next_freq = utilref_hz / UTIL_MAX * norm_util;
uint32_t next_freq = m_ref_hz / UTIL_MAX * normUtil;
next_freq += next_freq >> 1;
uint32_t new_hz;
if (next_freq >= max_hz)
target_hz = max_hz;
new_hz = max_hz;
else if (next_freq <= min_hz)
target_hz = min_hz;
new_hz = min_hz;
else
target_hz = *FindHzInTable(hz_list, next_freq);
new_hz = FindHzInTable(m_hz_list, next_freq);
bool changed = target_hz != prev_hz;
if (changed)
SetHz();
ApplyTargetFreq(new_hz);
}
void Governor::s_FreqContext::SetHz() {
if (target_hz)
Clocks::SetHz(module, target_hz);
void CpuGovernor::GovernorWorker::Start() {
if (this->running)
return;
this->running = true;
Result rc = 0;
for (int id = 0; id < CORE_NUMS; id++) {
WorkerContext* s = &contexts[id];
s->super = this->super;
s->id = id;
int prio = (id == CORE_NUMS - 1) ? 0x3F : 0x3B; // Pre-emptive MT
rc = threadCreate(&threads[id], &WorkerContext::Loop, (void*)s, NULL, 0x400, prio, id);
ASSERT_RESULT_OK(rc, "threadCreate");
rc = threadStart(&threads[id]);
ASSERT_RESULT_OK(rc, "threadStart");
}
}
void Governor::s_FreqContext::Boost() {
target_hz = boost_hz;
if (module == SysClkModule_CPU && max_hz > boost_hz)
target_hz = max_hz;
SetHz();
void CpuGovernor::GovernorWorker::Stop() {
if (!this->running)
return;
this->running = false;
svcSleepThread(TICK_TIME_NS);
for (auto &t : threads) {
threadWaitForExit(&t);
threadClose(&t);
}
}
void Governor::CpuUtilWorker(void* args) {
s_CoreContext* s = static_cast<s_CoreContext*>(args);
void CpuGovernor::Apply() {
uint32_t util = 0;
for (auto& ctx : this->m_worker.contexts) {
uint32_t core_util = ctx.util;
if (util < core_util)
util = core_util;
}
this->m_util.Update(util);
if (this->auto_boost && this->m_worker.contexts[SYS_CORE_ID].util > BOOST_THRESHOLD)
this->ApplyBoost();
else
this->ApplyNewFreqFromNormUtil(this->m_util.Get());
}
void CpuGovernor::WorkerContext::Loop(void* args) {
WorkerContext* s = static_cast<WorkerContext*>(args);
CpuGovernor* self = s->super;
GovernorWorker* worker = &(self->m_worker);
int coreid = s->id;
Governor* self = s->self;
while (self->m_running) {
while (worker->running) {
uint64_t tick = s->tick = armGetSystemTick();
s->util = self->m_cpu_freq.GetNormalizedUtil(CpuCoreUtil(coreid, TICK_TIME_NS).Get());
s->util = self->CalcNormalizedUtil(CpuCoreUtil(coreid, TICK_TIME_NS).Get());
bool CPUBoosted = apmExtIsCPUBoosted(self->m_perf_conf_id);
if (CPUBoosted) {
if (apmExtIsCPUBoosted(self->m_manager->GetPerfConf())) {
svcSleepThread(TICK_TIME_NS);
continue;
}
@@ -295,88 +232,128 @@ void Governor::CpuUtilWorker(void* args) {
if (id == coreid)
continue;
uint64_t diff = std::abs((int64_t)self->m_cpu_core_ctx[id].tick - (int64_t)tick);
uint64_t diff = std::abs((int64_t)worker->contexts[id].tick - (int64_t)tick);
if (diff < SYSTICK_HZ / SAMPLE_RATE * 10)
continue;
if (id == SYS_CORE_ID && self->m_syscore_autoboost) {
self->m_cpu_freq.Boost();
// Stuck on system core and auto boost enabled, apply boost
if (id == SYS_CORE_ID && self->auto_boost) {
self->ApplyBoost();
break;
}
self->m_cpu_freq.target_hz = self->m_cpu_freq.max_hz;
self->m_cpu_freq.SetHz();
// Stuck on other cores or auto boost disabled, apply max hz
self->ApplyTargetFreq(self->max_hz);
break;
}
}
}
void Governor::Main(void* args) {
void GpuGovernor::Apply() {
uint32_t util = this->CalcNormalizedUtil(GpuCoreUtil(m_nvgpu_field).Get());
this->m_util.Update(util);
this->ApplyNewFreqFromNormUtil(this->m_util.Get());
}
}
bool Governor::IsHandledByGovernor(SysClkModule module) {
switch (module) {
case SysClkModule_CPU:
return ((this->GetConfig() >> SysClkOcGovernorConfig_CPU_Shift) & 1);
case SysClkModule_GPU:
return ((this->GetConfig() >> SysClkOcGovernorConfig_GPU_Shift) & 1);
case SysClkModule_MEM:
return false;
default:
return this->GetConfig() != SysClkOcGovernorConfig_AllDisabled;
}
}
void Governor::SetConfig(SysClkOcGovernorConfig config) {
if (m_config == config)
return;
m_config = config;
m_cpu_gov->m_worker.onConfigUpdated(config);
m_manager.onConfigUpdated(config);
};
void Governor::SetPerfConf(uint32_t id) {
m_perf_conf_id = id;
m_apm_conf = Clocks::GetEmbeddedApmConfig(id);
}
void Governor::SetMaxHz(uint32_t maxHz, SysClkModule module) {
if (!maxHz) // Fallback to apm configuration
maxHz = Clocks::GetStockClock(m_apm_conf, (SysClkModule)module);
switch (module) {
case SysClkModule_CPU:
m_cpu_gov->max_hz = maxHz;
break;
case SysClkModule_GPU:
m_gpu_gov->max_hz = maxHz;
m_gpu_gov->min_hz = (maxHz <= 153'600'000) ? maxHz : 153'600'000;
break;
default:
break;
}
}
void Governor::GovernorManager::Start() {
if (this->running)
return;
this->running = true;
Result rc = threadCreate(&thread, &ContextManager, (void*)this, NULL, 0x400, 0x3F, 3);
ASSERT_RESULT_OK(rc, "threadCreate");
rc = threadStart(&thread);
ASSERT_RESULT_OK(rc, "threadStart");
}
void Governor::GovernorManager::Stop() {
if (!this->running)
return;
this->running = false;
svcSleepThread(TICK_TIME_NS);
threadWaitForExit(&thread);
threadClose(&thread);
}
void Governor::GovernorManager::ContextManager(void* args) {
Governor* self = static_cast<Governor*>(args);
s_FreqContext* cpu_ctx = &self->m_cpu_freq;
s_FreqContext* gpu_ctx = &self->m_gpu_freq;
uint32_t nvgpu_field = self->m_nvgpu_field;
s_CpuUtil *cpu_util = new s_CpuUtil;
s_GpuUtil *gpu_util = new s_GpuUtil;
auto SetCpuFreq = [self, cpu_ctx, cpu_util]() mutable {
uint32_t util = self->m_cpu_core_ctx[0].util;
for (size_t i = 1; i < CORE_NUMS; i++) {
if (util < self->m_cpu_core_ctx[i].util)
util = self->m_cpu_core_ctx[i].util;
}
cpu_util->Update(util);
if (self->m_cpu_core_ctx[SYS_CORE_ID].util > BOOST_THRESHOLD && self->m_syscore_autoboost)
cpu_ctx->Boost();
else
cpu_ctx->SetNextFreq(cpu_util->Get());
};
auto SetGpuFreq = [gpu_ctx, nvgpu_field, gpu_util]() mutable {
uint32_t util = gpu_ctx->GetNormalizedUtil(GpuCoreUtil(nvgpu_field).Get());
gpu_util->Update(util);
util = gpu_util->Get();
gpu_ctx->SetNextFreq(util);
};
constexpr uint64_t UPDATE_CONTEXT_RATE = SAMPLE_RATE / 2;
uint64_t update_ticks = UPDATE_CONTEXT_RATE;
bool CPUBoosted = false;
bool GPUThrottled = false;
bool cpuBoosted = false, gpuThrottled = false;
while (self->m_running) {
while (self->m_manager.running) {
bool shouldUpdateContext = ++update_ticks >= UPDATE_CONTEXT_RATE;
if (shouldUpdateContext) {
update_ticks = 0;
uint32_t hz = Clocks::GetCurrentHz(SysClkModule_GPU);
uint32_t hz = self->m_gpu_gov->RefreshContext();
// Sleep mode detected, wait 10 ticks
while (!hz) {
svcSleepThread(10 * TICK_TIME_NS);
hz = Clocks::GetCurrentHz(SysClkModule_GPU);
hz = self->m_gpu_gov->RefreshContext();
}
GPUThrottled = apmExtIsBoostMode(self->m_perf_conf_id);
CPUBoosted = apmExtIsCPUBoosted(self->m_perf_conf_id);
uint32_t perf_conf = self->GetPerfConf();
if ((gpuThrottled = apmExtIsBoostMode(perf_conf)) && (self->GetConfig() & SysClkOcGovernorConfig_GPU))
self->m_gpu_gov->ApplyBoost();
gpu_ctx->target_hz = hz;
if (GPUThrottled)
gpu_ctx->Boost();
hz = Clocks::GetCurrentHz(SysClkModule_CPU);
cpu_ctx->target_hz = hz;
if (CPUBoosted)
cpu_ctx->Boost();
if ((cpuBoosted = apmExtIsCPUBoosted(perf_conf)) && (self->GetConfig() & SysClkOcGovernorConfig_CPU))
self->m_cpu_gov->ApplyBoost();
}
if (!GPUThrottled)
SetGpuFreq();
if (!CPUBoosted)
SetCpuFreq();
if (!gpuThrottled && (self->GetConfig() & SysClkOcGovernorConfig_GPU))
self->m_gpu_gov->Apply();
if (!cpuBoosted && (self->GetConfig() & SysClkOcGovernorConfig_CPU))
self->m_cpu_gov->Apply();
svcSleepThread(TICK_TIME_NS);
}
delete cpu_util;
delete gpu_util;
}
};

View File

@@ -12,8 +12,10 @@
// Forward declaration
class ClockManager;
class Governor;
#include "clock_manager.h"
class CpuCoreUtil {
public:
CpuCoreUtil (int coreid, uint64_t ns);
@@ -28,6 +30,7 @@ protected:
uint64_t GetIdleTickCount();
};
class GpuCoreUtil {
public:
GpuCoreUtil (uint32_t nvgpu_field);
@@ -38,6 +41,7 @@ protected:
static constexpr uint64_t NVGPU_GPU_IOCTL_PMU_GET_GPU_LOAD = 0x80044715;
};
class ReverseNXSync {
public:
ReverseNXSync ();
@@ -61,182 +65,301 @@ protected:
ReverseNXMode RecheckToolMode();
};
namespace PsmExt {
void ChargingHandler(ClockManager* instance);
}
class Governor {
public:
Governor();
~Governor();
void Start();
void Stop();
void SetMaxHz(uint32_t max_hz, SysClkModule module);
void SetAutoCPUBoost(bool enabled) { m_syscore_autoboost = enabled; };
void SetCPUBoostHz(uint32_t boost_hz) { m_cpu_freq.boost_hz = boost_hz; };
void SetPerfConf(uint32_t id);
constexpr uint64_t SAMPLE_RATE = 200;
constexpr uint64_t TICK_TIME_NS = 1000'000'000 / SAMPLE_RATE;
constexpr uint64_t SYSTICK_HZ = 19200000;
protected:
// Parameters for sampling
static constexpr uint64_t SAMPLE_RATE = 200;
static constexpr uint64_t TICK_TIME_NS = 1000'000'000 / SAMPLE_RATE;
static constexpr uint64_t SYSTICK_HZ = 19200000;
namespace GovernorImpl {
constexpr uint32_t UTIL_MAX = 1000;
static constexpr int CORE_NUMS = 4;
static constexpr int SYS_CORE_ID = (CORE_NUMS - 1);
bool m_running = false;
bool m_syscore_autoboost = false;
Thread m_t_cpuworker[CORE_NUMS], m_t_main;
uint32_t m_nvgpu_field;
uint32_t m_perf_conf_id;
SysClkApmConfiguration *m_apm_conf;
typedef struct {
SysClkModule module;
uint32_t* hz_list;
uint32_t target_hz;
uint32_t min_hz;
uint32_t max_hz;
uint32_t boost_hz;
uint32_t utilref_hz;
uint32_t GetNormalizedUtil(uint32_t raw_util);
void SetNextFreq(uint32_t norm_util);
void SetHz();
void Boost();
} s_FreqContext;
s_FreqContext m_cpu_freq, m_gpu_freq;
typedef struct {
Governor* self;
int id;
uint32_t util;
uint64_t tick;
} s_CoreContext;
s_CoreContext m_cpu_core_ctx[CORE_NUMS];
// PELT: https://github.com/torvalds/linux/blob/master/kernel/sched/pelt.c
// Util_acc_n = Util_0 + Util_1 * D + Util_2 * D^2 + ... + Util_n * D^n
// To approximate D (decay multiplier):
// After 50 ms (if SAMPLE_RATE == 200, 10 samples)
// UTIL_MAX * D^10 ≈ 1 (UTIL_MAX decayed to 1)
// D = 4129 / 8192
// Util_acc_max = Util_acc_inf = 2012
static constexpr uint32_t UTIL_MAX = 100'0;
struct s_CpuUtil {
uint32_t util_acc = 0;
static constexpr uint32_t DECAY_DIVIDENT = 4129;
static constexpr uint32_t DECAY_DIVISOR = 8192;
static constexpr uint32_t UTIL_ACC_MAX = 2012;
uint32_t Get() { return (util_acc * UTIL_MAX / UTIL_ACC_MAX); };
void Update(uint32_t util) { util_acc = util_acc * DECAY_DIVIDENT / DECAY_DIVISOR + util; };
};
static void CpuUtilWorker(void* args);
static void Main(void* args);
// Get max value from a sliding window in O(1)
template <typename T, size_t WINDOW_SIZE>
class SWindowMax {
protected:
typedef struct {
T item;
T max;
} s_Entry;
struct s_Stack {
s_Entry m_stack[WINDOW_SIZE] = {};
size_t m_next = WINDOW_SIZE;
bool empty() { return m_next == 0; };
s_Entry top() { return m_stack[m_next-1]; };
s_Entry pop() { return m_stack[--m_next]; };
void push(s_Entry item) {
if (m_next == WINDOW_SIZE)
return;
m_stack[m_next++] = item;
};
class BaseGovernor {
public:
BaseGovernor(SysClkModule module) : m_module(module) {
m_hz_list = GetModuleFreqTable(module);
m_ref_hz = GetModuleMaximumFreq(module);
};
s_Stack enqStack;
s_Stack deqStack;
uint32_t RefreshContext() { return this->m_target_hz = Clocks::GetCurrentHz(this->m_module); };
void Push(s_Stack& stack, T item) {
s_Entry n = {
.item = item,
.max = enqStack.empty() ? item : std::max(item, enqStack.top().max)
};
stack.push(n);
}
T Pop() {
if (deqStack.empty()) {
while (!enqStack.empty())
Push(deqStack, enqStack.pop().max);
}
return deqStack.pop().item;
}
public:
SWindowMax() {}
void Add(T item) { Pop(); Push(enqStack, item); }
T Get() {
if (!enqStack.empty()) {
T enqMax = enqStack.top().max;
if (!deqStack.empty()) {
T deqMax = deqStack.top().max;
return std::max(deqMax, enqMax);
}
return enqMax;
}
if (!deqStack.empty())
return deqStack.top().max;
return 0;
}
};
// Get average value from a sliding window in O(1)
template <typename T, size_t WINDOW_SIZE>
class SWindowAvg {
public:
SWindowAvg() {}
void Add(T item) {
T pop = m_queue[m_next];
m_queue[m_next] = item;
m_next = (m_next + 1) % WINDOW_SIZE;
m_sum -= pop;
m_sum += item;
}
T Get() { return m_sum / WINDOW_SIZE; }
uint32_t min_hz, max_hz, boost_hz;
protected:
size_t m_next = 0;
T m_sum = 0;
T m_queue[WINDOW_SIZE] = {};
uint32_t CalcNormalizedUtil(uint32_t rawUtil) {
return ((uint64_t)rawUtil * m_target_hz / m_ref_hz);
};
void ApplyNewFreqFromNormUtil(uint32_t norm);
void ApplyTargetFreq(uint32_t hz) {
if (!hz || m_target_hz == hz)
return;
m_target_hz = hz;
Clocks::SetHz(m_module, hz);
};
void ApplyBoost() {
ApplyTargetFreq(
(m_module == SysClkModule_CPU && max_hz > boost_hz) ? max_hz : boost_hz
);
};
SysClkModule m_module;
uint32_t* m_hz_list;
uint32_t m_target_hz, m_ref_hz;
friend Governor;
};
struct s_GpuUtil {
SWindowMax<uint32_t, 32> window {};
class CpuGovernor : public BaseGovernor {
public:
CpuGovernor(Governor* manager)
: BaseGovernor(SysClkModule_CPU), m_manager(manager) {
boost_hz = Clocks::boostCpuFreq;
m_worker.super = this;
};
uint32_t util_acc = 0;
// After 160 ms (if SAMPLE_RATE == 200, 32 samples)
// UTIL_MAX * D^32 ≈ 1 (UTIL_MAX decayed to 1)
// D = 6880 / 8192
// Util_acc_max = Util_acc_inf = 6145
static constexpr uint32_t DECAY_DIVIDENT = 6880;
static constexpr uint32_t DECAY_DIVISOR = 8192;
static constexpr uint32_t UTIL_ACC_MAX = 6145;
~CpuGovernor() { this->m_worker.Stop(); };
uint32_t Get() { return ((util_acc * UTIL_MAX / UTIL_ACC_MAX) + window.Get()) / 2; };
void Update(uint32_t util) { window.Add(util); util_acc = util_acc * DECAY_DIVIDENT / DECAY_DIVISOR + util; };
void Apply();
bool auto_boost;
protected:
static constexpr int CORE_NUMS = 4;
static constexpr int SYS_CORE_ID = CORE_NUMS - 1;
// PELT: https://github.com/torvalds/linux/blob/master/kernel/sched/pelt.c
// Util_acc_n = Util_0 + Util_1 * D + Util_2 * D^2 + ... + Util_n * D^n
// To approximate D (decay multiplier):
// After 50 ms (if SAMPLE_RATE == 200, 10 samples)
// UTIL_MAX * D^10 ≈ 1 (UTIL_MAX decayed to 1)
// D = 4129 / 8192
// Util_acc_max = Util_acc_inf = 2012
typedef struct PeltUtil {
uint32_t util_acc = 0;
static constexpr uint32_t DECAY_DIVIDENT = 4129;
static constexpr uint32_t DECAY_DIVISOR = 8192;
static constexpr uint32_t UTIL_ACC_MAX = 2012;
uint32_t Get() { return (util_acc * UTIL_MAX / UTIL_ACC_MAX); };
void Update(uint32_t util) { util_acc = util_acc * DECAY_DIVIDENT / DECAY_DIVISOR + util; };
} PeltUtil;
PeltUtil m_util;
typedef struct {
CpuGovernor*super;
int id;
uint32_t util;
uint64_t tick;
static void Loop(void* args);
} WorkerContext;
typedef struct GovernorWorker {
Thread threads[CORE_NUMS];
WorkerContext contexts[CORE_NUMS];
bool running;
CpuGovernor* super;
void Start();
void Stop();
void onConfigUpdated(SysClkOcGovernorConfig config) {
bool expected = (config >> SysClkOcGovernorConfig_CPU_Shift) & 1;
if (expected != running)
expected ? Start() : Stop();
};
} GovernorWorker;
GovernorWorker m_worker;
Governor* m_manager;
friend Governor;
};
class GpuGovernor : public BaseGovernor {
public:
GpuGovernor() : BaseGovernor(SysClkModule_GPU) {
min_hz = 153'600'000;
boost_hz = 76'800'000;
nvInitialize();
Result rc = nvOpen(&m_nvgpu_field, "/dev/nvhost-ctrl-gpu");
if (R_FAILED(rc)) {
ASSERT_RESULT_OK(rc, "nvOpen");
nvExit();
}
};
~GpuGovernor() {
nvClose(m_nvgpu_field);
nvExit();
};
void SetMaxHz(uint32_t maxHz);
void Apply();
protected:
// Get average value from a sliding window in O(1)
template <typename T, size_t WINDOW_SIZE>
class SWindowAvg {
public:
SWindowAvg() {}
void Add(T item) {
T pop = m_queue[m_next];
m_queue[m_next] = item;
m_next = (m_next + 1) % WINDOW_SIZE;
m_sum -= pop;
m_sum += item;
}
T Get() { return m_sum / WINDOW_SIZE; }
protected:
size_t m_next = 0;
T m_sum = 0;
T m_queue[WINDOW_SIZE] = {};
};
// Get max value from a sliding window in O(1)
template <typename T, size_t WINDOW_SIZE>
class SWindowMax {
protected:
typedef struct {
T item;
T max;
} s_Entry;
struct s_Stack {
s_Entry m_stack[WINDOW_SIZE] = {};
size_t m_next = WINDOW_SIZE;
bool empty() { return m_next == 0; };
s_Entry top() { return m_stack[m_next-1]; };
s_Entry pop() { return m_stack[--m_next]; };
void push(s_Entry item) {
if (m_next == WINDOW_SIZE)
return;
m_stack[m_next++] = item;
};
};
s_Stack enqStack;
s_Stack deqStack;
void Push(s_Stack& stack, T item) {
s_Entry n = {
.item = item,
.max = enqStack.empty() ? item : std::max(item, enqStack.top().max)
};
stack.push(n);
}
T Pop() {
if (deqStack.empty()) {
while (!enqStack.empty())
Push(deqStack, enqStack.pop().max);
}
return deqStack.pop().item;
}
public:
SWindowMax() {}
void Add(T item) { Pop(); Push(enqStack, item); }
T Get() {
if (!enqStack.empty()) {
T enqMax = enqStack.top().max;
if (!deqStack.empty()) {
T deqMax = deqStack.top().max;
return std::max(deqMax, enqMax);
}
return enqMax;
}
if (!deqStack.empty())
return deqStack.top().max;
return 0;
}
};
typedef struct MaxWindow {
SWindowMax<uint32_t, 32> window {};
uint32_t util_acc = 0;
// After 160 ms (if SAMPLE_RATE == 200, 32 samples)
// UTIL_MAX * D^32 ≈ 1 (UTIL_MAX decayed to 1)
// D = 6880 / 8192
// Util_acc_max = Util_acc_inf = 6145
static constexpr uint32_t DECAY_DIVIDENT = 6880;
static constexpr uint32_t DECAY_DIVISOR = 8192;
static constexpr uint32_t UTIL_ACC_MAX = 6145;
uint32_t Get() { return ((util_acc * UTIL_MAX / UTIL_ACC_MAX) + window.Get()) / 2; };
void Update(uint32_t util) { window.Add(util); util_acc = util_acc * DECAY_DIVIDENT / DECAY_DIVISOR + util; };
} MaxWindow;
MaxWindow m_util;
uint32_t m_nvgpu_field;
};
}
class Governor {
public:
Governor() {
m_cpu_gov = new GovernorImpl::CpuGovernor(this);
m_gpu_gov = new GovernorImpl::GpuGovernor();
};
~Governor() {
m_manager.Stop();
delete m_cpu_gov;
delete m_gpu_gov;
};
SysClkOcGovernorConfig GetConfig() { return m_config; };
bool IsHandledByGovernor(SysClkModule module = SysClkModule_EnumMax);
void SetConfig(SysClkOcGovernorConfig config);
void SetPerfConf(uint32_t id);
uint32_t GetPerfConf() { return m_perf_conf_id; };
void SetMaxHz(uint32_t maxHz, SysClkModule module);
void SetAutoCPUBoost(bool enabled) { m_cpu_gov->auto_boost = enabled; };
void SetCPUBoostHz(uint32_t boostHz) { m_cpu_gov->boost_hz = boostHz; };
protected:
typedef struct GovernorManager {
bool running = false;
Thread thread;
void Start();
void Stop();
void onConfigUpdated(SysClkOcGovernorConfig config) {
bool shouldRun = (config != SysClkOcGovernorConfig_AllDisabled);
shouldRun ? Start() : Stop();
};
static void ContextManager(void* args);
} GovernorManager;
GovernorManager m_manager;
SysClkOcGovernorConfig m_config = SysClkOcGovernorConfig_AllDisabled;
uint32_t m_perf_conf_id;
SysClkApmConfiguration* m_apm_conf;
GovernorImpl::CpuGovernor* m_cpu_gov;
GovernorImpl::GpuGovernor* m_gpu_gov;
};