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pm: implement newer-N-pm's dynamic resource logic

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This commit is contained in:
Michael Scire 2021-09-29 23:33:25 -07:00
parent 41ab4c2c68
commit 427ab78bc6
1 changed files with 48 additions and 59 deletions
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107
stratosphere/pm/source/impl/pm_resource_manager.cpp
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@ -29,19 +29,11 @@ namespace ams::pm::resource {
};
/* Definitions for limit differences over time. */
constexpr size_t ExtraSystemThreadCount400 = 100;
constexpr size_t ExtraSystemMemorySize400 = 10_MB;
constexpr size_t ExtraSystemMemorySize500 = 12_MB;
constexpr size_t ExtraSystemEventCount600 = 100;
constexpr size_t ExtraSystemSessionCount600 = 100;
constexpr size_t ReservedMemorySize600 = 5_MB;
constexpr size_t ExtraSystemSessionCount920 = 33;
constexpr size_t ExtraSystemEventCount1200 = 200;
constexpr size_t ExtraSystemSessionCount1200 = 200;
/* Atmosphere always allocates extra memory for system usage. */
constexpr size_t ExtraSystemMemorySizeAtmosphere = 24_MB;
constexpr size_t ExtraSystemMemorySizeAtmosphere500 = 33_MB; /* Applet pool is 0x20100000 */
/* Globals. */
constinit os::SdkMutex g_resource_limit_lock;
@ -52,21 +44,21 @@ namespace ams::pm::resource {
constinit u64 g_resource_limits[ResourceLimitGroup_Count][svc::LimitableResource_Count] = {
[ResourceLimitGroup_System] = {
[svc::LimitableResource_PhysicalMemoryMax] = 0, /* Initialized by more complicated logic later. */
[svc::LimitableResource_ThreadCountMax] = 508,
[svc::LimitableResource_EventCountMax] = 600,
[svc::LimitableResource_TransferMemoryCountMax] = 128,
[svc::LimitableResource_SessionCountMax] = 794,
[svc::LimitableResource_PhysicalMemoryMax] = 0, /* Initialized dynamically later. */
[svc::LimitableResource_ThreadCountMax] = 608,
[svc::LimitableResource_EventCountMax] = 0, /* Initialized dynamically later. */
[svc::LimitableResource_TransferMemoryCountMax] = 0, /* Initialized dynamically later. */
[svc::LimitableResource_SessionCountMax] = 0, /* Initialized dynamically later. */
},
[ResourceLimitGroup_Application] = {
[svc::LimitableResource_PhysicalMemoryMax] = 0, /* Initialized by more complicated logic later. */
[svc::LimitableResource_PhysicalMemoryMax] = 0, /* Initialized dynamically later. */
[svc::LimitableResource_ThreadCountMax] = 96,
[svc::LimitableResource_EventCountMax] = 0,
[svc::LimitableResource_TransferMemoryCountMax] = 32,
[svc::LimitableResource_SessionCountMax] = 1,
},
[ResourceLimitGroup_Applet] = {
[svc::LimitableResource_PhysicalMemoryMax] = 0, /* Initialized by more complicated logic later. */
[svc::LimitableResource_PhysicalMemoryMax] = 0, /* Initialized dynamically later. */
[svc::LimitableResource_ThreadCountMax] = 96,
[svc::LimitableResource_EventCountMax] = 0,
[svc::LimitableResource_TransferMemoryCountMax] = 32,
@ -154,7 +146,7 @@ namespace ams::pm::resource {
if (value == 0) {
break;
}
svc::SleepThread(1'000'000ul);
os::SleepThread(TimeSpan::FromMilliSeconds(1));
}
}
}
@ -162,17 +154,17 @@ namespace ams::pm::resource {
void WaitApplicationMemoryAvailable() {
u64 value = 0;
while (true) {
R_ABORT_UNLESS(svc::GetSystemInfo(&value, svc::SystemInfoType_UsedPhysicalMemorySize, INVALID_HANDLE, svc::PhysicalMemorySystemInfo_Application));
R_ABORT_UNLESS(svc::GetSystemInfo(&value, svc::SystemInfoType_UsedPhysicalMemorySize, svc::InvalidHandle, svc::PhysicalMemorySystemInfo_Application));
if (value == 0) {
break;
}
svc::SleepThread(1'000'000ul);
os::SleepThread(TimeSpan::FromMilliSeconds(1));
}
}
bool IsKTraceEnabled() {
u64 value = 0;
R_ABORT_UNLESS(svc::GetInfo(std::addressof(value), svc::InfoType_MesosphereMeta, INVALID_HANDLE, svc::MesosphereMetaInfo_IsKTraceEnabled));
R_ABORT_UNLESS(svc::GetInfo(std::addressof(value), svc::InfoType_MesosphereMeta, svc::InvalidHandle, svc::MesosphereMetaInfo_IsKTraceEnabled));
return value != 0;
}
@ -192,55 +184,52 @@ namespace ams::pm::resource {
}
}
/* Adjust resource limits based on hos firmware version. */
/* Adjust memory limits based on hos firmware version. */
const auto hos_version = hos::GetVersion();
if (hos_version >= hos::Version_4_0_0) {
/* 4.0.0 increased the system thread limit. */
g_resource_limits[ResourceLimitGroup_System][svc::LimitableResource_ThreadCountMax] += ExtraSystemThreadCount400;
/* 4.0.0 also took memory away from applet and gave it to system, for the Standard and StandardForSystemDev profiles. */
/* 4.0.0 took memory away from applet and gave it to system, for the Standard and StandardForSystemDev profiles. */
g_memory_resource_limits[spl::MemoryArrangement_Standard][ResourceLimitGroup_System] += ExtraSystemMemorySize400;
g_memory_resource_limits[spl::MemoryArrangement_Standard][ResourceLimitGroup_Applet] -= ExtraSystemMemorySize400;
g_memory_resource_limits[spl::MemoryArrangement_StandardForSystemDev][ResourceLimitGroup_System] += ExtraSystemMemorySize400;
g_memory_resource_limits[spl::MemoryArrangement_StandardForSystemDev][ResourceLimitGroup_Applet] -= ExtraSystemMemorySize400;
}
if (hos_version >= hos::Version_5_0_0) {
/* 5.0.0 took more memory away from applet and gave it to system, for the Standard and StandardForSystemDev profiles. */
g_memory_resource_limits[spl::MemoryArrangement_Standard][ResourceLimitGroup_System] += ExtraSystemMemorySize500;
g_memory_resource_limits[spl::MemoryArrangement_Standard][ResourceLimitGroup_Applet] -= ExtraSystemMemorySize500;
g_memory_resource_limits[spl::MemoryArrangement_StandardForSystemDev][ResourceLimitGroup_System] += ExtraSystemMemorySize500;
g_memory_resource_limits[spl::MemoryArrangement_StandardForSystemDev][ResourceLimitGroup_Applet] -= ExtraSystemMemorySize500;
}
if (hos_version >= hos::Version_6_0_0) {
/* 6.0.0 increased the system event and session limits. */
g_resource_limits[ResourceLimitGroup_System][svc::LimitableResource_EventCountMax] += ExtraSystemEventCount600;
g_resource_limits[ResourceLimitGroup_System][svc::LimitableResource_SessionCountMax] += ExtraSystemSessionCount600;
}
if (hos_version >= hos::Version_9_2_0) {
/* 9.2.0 increased the system session limit. */
g_resource_limits[ResourceLimitGroup_System][svc::LimitableResource_SessionCountMax] += ExtraSystemSessionCount920;
}
if (hos_version >= hos::Version_12_0_0) {
/* 12.0.0 increased the system event and session limits. */
g_resource_limits[ResourceLimitGroup_System][svc::LimitableResource_EventCountMax] += ExtraSystemEventCount1200;
g_resource_limits[ResourceLimitGroup_System][svc::LimitableResource_SessionCountMax] += ExtraSystemSessionCount1200;
/* Determine system resource counts. */
{
/* Get the total resource counts. */
s64 total_events, total_transfer_memories, total_sessions;
R_ABORT_UNLESS(svc::GetResourceLimitLimitValue(std::addressof(total_events), GetResourceLimitHandle(ResourceLimitGroup_System), svc::LimitableResource_EventCountMax));
R_ABORT_UNLESS(svc::GetResourceLimitLimitValue(std::addressof(total_transfer_memories), GetResourceLimitHandle(ResourceLimitGroup_System), svc::LimitableResource_TransferMemoryCountMax));
R_ABORT_UNLESS(svc::GetResourceLimitLimitValue(std::addressof(total_sessions), GetResourceLimitHandle(ResourceLimitGroup_System), svc::LimitableResource_SessionCountMax));
/* Determine system counts. */
const s64 sys_events = total_events - (g_resource_limits[ResourceLimitGroup_Application][svc::LimitableResource_EventCountMax] + g_resource_limits[ResourceLimitGroup_Applet][svc::LimitableResource_EventCountMax]);
const s64 sys_transfer_memories = total_transfer_memories - (g_resource_limits[ResourceLimitGroup_Application][svc::LimitableResource_TransferMemoryCountMax] + g_resource_limits[ResourceLimitGroup_Applet][svc::LimitableResource_TransferMemoryCountMax]);
const s64 sys_sessions = total_sessions - (g_resource_limits[ResourceLimitGroup_Application][svc::LimitableResource_SessionCountMax] + g_resource_limits[ResourceLimitGroup_Applet][svc::LimitableResource_SessionCountMax]);
/* Check system counts. */
AMS_ABORT_UNLESS(sys_events >= 0);
AMS_ABORT_UNLESS(sys_transfer_memories >= 0);
AMS_ABORT_UNLESS(sys_sessions >= 0);
/* Set system counts. */
g_resource_limits[ResourceLimitGroup_System][svc::LimitableResource_EventCountMax] = sys_events;
g_resource_limits[ResourceLimitGroup_System][svc::LimitableResource_TransferMemoryCountMax] = sys_transfer_memories;
g_resource_limits[ResourceLimitGroup_System][svc::LimitableResource_SessionCountMax] = sys_sessions;
}
/* 7.0.0+: Calculate the number of extra application threads available. */
if (hos::GetVersion() >= hos::Version_7_0_0) {
/* See how many threads we have available. */
s64 total_threads_available = 0;
R_ABORT_UNLESS(svc::GetResourceLimitLimitValue(&total_threads_available, GetResourceLimitHandle(ResourceLimitGroup_System), svc::LimitableResource_ThreadCountMax));
/* Determine extra application threads. */
{
/* Get total threads available. */
s64 total_threads;
R_ABORT_UNLESS(svc::GetResourceLimitLimitValue(std::addressof(total_threads), GetResourceLimitHandle(ResourceLimitGroup_System), svc::LimitableResource_ThreadCountMax));
/* See how many threads we're expecting. */
const s64 total_threads_allocated = g_resource_limits[ResourceLimitGroup_System][svc::LimitableResource_ThreadCountMax] +
g_resource_limits[ResourceLimitGroup_Application][svc::LimitableResource_ThreadCountMax] +
g_resource_limits[ResourceLimitGroup_Applet][svc::LimitableResource_ThreadCountMax];
/* Check that we have enough threads. */
const s64 required_threads = g_resource_limits[ResourceLimitGroup_System][svc::LimitableResource_ThreadCountMax] + g_resource_limits[ResourceLimitGroup_Application][svc::LimitableResource_ThreadCountMax] + g_resource_limits[ResourceLimitGroup_Applet][svc::LimitableResource_ThreadCountMax];
AMS_ABORT_UNLESS(total_threads >= required_threads);
/* Ensure we don't over-commit threads. */
AMS_ABORT_UNLESS(total_threads_allocated <= total_threads_available);
/* Set number of extra threads. */
g_extra_application_threads_available = total_threads_available - total_threads_allocated;
/* Set the number of extra application threads. */
g_extra_application_threads_available = total_threads - required_threads;
}
/* Choose and initialize memory arrangement. */
@ -271,8 +260,7 @@ namespace ams::pm::resource {
/* Adjust memory limits for atmosphere. */
/* We take memory away from applet normally, but away from application on < 3.0.0 to avoid a rare hang on boot. */
/* NOTE: On Version 5.0.0+, we cannot set the pools so simply. We must instead rely on mesosphere support. */
const size_t extra_memory_size = hos_version == hos::Version_5_0_0 ? ExtraSystemMemorySizeAtmosphere500 : ExtraSystemMemorySizeAtmosphere;
const size_t extra_memory_size = ExtraSystemMemorySizeAtmosphere;
const auto src_group = hos_version >= hos::Version_3_0_0 ? ResourceLimitGroup_Applet : ResourceLimitGroup_Application;
for (size_t i = 0; i < spl::MemoryArrangement_Count; i++) {
g_memory_resource_limits[i][ResourceLimitGroup_System] += extra_memory_size;
@ -336,6 +324,7 @@ namespace ams::pm::resource {
Result BoostApplicationThreadResourceLimit() {
std::scoped_lock lk(g_resource_limit_lock);
/* Set new limit. */
const s64 new_thread_count = g_resource_limits[ResourceLimitGroup_Application][svc::LimitableResource_ThreadCountMax] + g_extra_application_threads_available;
R_TRY(svc::SetResourceLimitLimitValue(GetResourceLimitHandle(ResourceLimitGroup_Application), svc::LimitableResource_ThreadCountMax, new_thread_count));