mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
synced 2024-11-18 09:56:40 +00:00
368 lines
19 KiB
C++
368 lines
19 KiB
C++
/*
|
|
* Copyright (c) Atmosphère-NX
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms and conditions of the GNU General Public License,
|
|
* version 2, as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
* more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
#include <stratosphere.hpp>
|
|
#include "pm_resource_manager.hpp"
|
|
|
|
namespace ams::pm::resource {
|
|
|
|
namespace {
|
|
|
|
constexpr svc::LimitableResource LimitableResources[] = {
|
|
svc::LimitableResource_PhysicalMemoryMax,
|
|
svc::LimitableResource_ThreadCountMax,
|
|
svc::LimitableResource_EventCountMax,
|
|
svc::LimitableResource_TransferMemoryCountMax,
|
|
svc::LimitableResource_SessionCountMax,
|
|
};
|
|
|
|
/* Definitions for limit differences over time. */
|
|
constexpr size_t ExtraSystemMemorySize400 = 10_MB;
|
|
constexpr size_t ReservedMemorySize600 = 5_MB;
|
|
|
|
/* Atmosphere always allocates extra memory for system usage. */
|
|
constexpr size_t ExtraSystemMemorySizeAtmosphere = 24_MB;
|
|
|
|
/* Globals. */
|
|
constinit os::SdkMutex g_resource_limit_lock;
|
|
constinit os::NativeHandle g_resource_limit_handles[ResourceLimitGroup_Count];
|
|
constinit spl::MemoryArrangement g_memory_arrangement = spl::MemoryArrangement_Standard;
|
|
constinit u64 g_system_memory_boost_size = 0;
|
|
constinit u64 g_extra_application_threads_available = 0;
|
|
|
|
constinit u64 g_resource_limits[ResourceLimitGroup_Count][svc::LimitableResource_Count] = {
|
|
[ResourceLimitGroup_System] = {
|
|
[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 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 dynamically later. */
|
|
[svc::LimitableResource_ThreadCountMax] = 96,
|
|
[svc::LimitableResource_EventCountMax] = 0,
|
|
[svc::LimitableResource_TransferMemoryCountMax] = 32,
|
|
[svc::LimitableResource_SessionCountMax] = 5,
|
|
},
|
|
};
|
|
|
|
constinit u64 g_memory_resource_limits[spl::MemoryArrangement_Count][ResourceLimitGroup_Count] = {
|
|
[spl::MemoryArrangement_Standard] = {
|
|
[ResourceLimitGroup_System] = 269_MB,
|
|
[ResourceLimitGroup_Application] = 3285_MB,
|
|
[ResourceLimitGroup_Applet] = 535_MB,
|
|
},
|
|
[spl::MemoryArrangement_StandardForAppletDev] = {
|
|
[ResourceLimitGroup_System] = 481_MB,
|
|
[ResourceLimitGroup_Application] = 2048_MB,
|
|
[ResourceLimitGroup_Applet] = 1560_MB,
|
|
},
|
|
[spl::MemoryArrangement_StandardForSystemDev] = {
|
|
[ResourceLimitGroup_System] = 328_MB,
|
|
[ResourceLimitGroup_Application] = 3285_MB,
|
|
[ResourceLimitGroup_Applet] = 476_MB,
|
|
},
|
|
[spl::MemoryArrangement_Expanded] = {
|
|
[ResourceLimitGroup_System] = 653_MB,
|
|
[ResourceLimitGroup_Application] = 4916_MB,
|
|
[ResourceLimitGroup_Applet] = 568_MB,
|
|
},
|
|
[spl::MemoryArrangement_ExpandedForAppletDev] = {
|
|
[ResourceLimitGroup_System] = 653_MB,
|
|
[ResourceLimitGroup_Application] = 3285_MB,
|
|
[ResourceLimitGroup_Applet] = 2199_MB,
|
|
},
|
|
};
|
|
|
|
/* Helpers. */
|
|
Result SetMemoryResourceLimitLimitValue(ResourceLimitGroup group, u64 new_memory_limit) {
|
|
const u64 old_memory_limit = g_resource_limits[group][svc::LimitableResource_PhysicalMemoryMax];
|
|
g_resource_limits[group][svc::LimitableResource_PhysicalMemoryMax] = new_memory_limit;
|
|
|
|
{
|
|
/* If we fail, restore the old memory limit. */
|
|
auto limit_guard = SCOPE_GUARD { g_resource_limits[group][svc::LimitableResource_PhysicalMemoryMax] = old_memory_limit; };
|
|
R_TRY(svc::SetResourceLimitLimitValue(GetResourceLimitHandle(group), svc::LimitableResource_PhysicalMemoryMax, g_resource_limits[group][svc::LimitableResource_PhysicalMemoryMax]));
|
|
limit_guard.Cancel();
|
|
}
|
|
|
|
return ResultSuccess();
|
|
}
|
|
|
|
Result SetResourceLimitLimitValues(ResourceLimitGroup group, u64 new_memory_limit) {
|
|
/* First, set memory limit. */
|
|
R_TRY(SetMemoryResourceLimitLimitValue(group, new_memory_limit));
|
|
|
|
/* Set other limit values. */
|
|
for (size_t i = 0; i < svc::LimitableResource_Count; i++) {
|
|
const auto resource = LimitableResources[i];
|
|
if (resource == svc::LimitableResource_PhysicalMemoryMax) {
|
|
continue;
|
|
}
|
|
R_TRY(svc::SetResourceLimitLimitValue(GetResourceLimitHandle(group), resource, g_resource_limits[group][resource]));
|
|
}
|
|
return ResultSuccess();
|
|
}
|
|
|
|
inline ResourceLimitGroup GetResourceLimitGroup(const ldr::ProgramInfo *info) {
|
|
switch (info->flags & ldr::ProgramInfoFlag_ApplicationTypeMask) {
|
|
case ldr::ProgramInfoFlag_Application:
|
|
return ResourceLimitGroup_Application;
|
|
case ldr::ProgramInfoFlag_Applet:
|
|
return ResourceLimitGroup_Applet;
|
|
default:
|
|
return ResourceLimitGroup_System;
|
|
}
|
|
}
|
|
|
|
void WaitResourceAvailable(ResourceLimitGroup group) {
|
|
const auto reslimit_hnd = GetResourceLimitHandle(group);
|
|
for (size_t i = 0; i < svc::LimitableResource_Count; i++) {
|
|
const auto resource = LimitableResources[i];
|
|
|
|
s64 value = 0;
|
|
while (true) {
|
|
R_ABORT_UNLESS(svc::GetResourceLimitCurrentValue(&value, reslimit_hnd, resource));
|
|
if (value == 0) {
|
|
break;
|
|
}
|
|
os::SleepThread(TimeSpan::FromMilliSeconds(1));
|
|
}
|
|
}
|
|
}
|
|
|
|
void WaitApplicationMemoryAvailable() {
|
|
u64 value = 0;
|
|
while (true) {
|
|
R_ABORT_UNLESS(svc::GetSystemInfo(&value, svc::SystemInfoType_UsedPhysicalMemorySize, svc::InvalidHandle, svc::PhysicalMemorySystemInfo_Application));
|
|
if (value == 0) {
|
|
break;
|
|
}
|
|
os::SleepThread(TimeSpan::FromMilliSeconds(1));
|
|
}
|
|
}
|
|
|
|
bool IsKTraceEnabled() {
|
|
u64 value = 0;
|
|
R_ABORT_UNLESS(svc::GetInfo(std::addressof(value), svc::InfoType_MesosphereMeta, svc::InvalidHandle, svc::MesosphereMetaInfo_IsKTraceEnabled));
|
|
|
|
return value != 0;
|
|
}
|
|
|
|
}
|
|
|
|
/* Resource API. */
|
|
Result InitializeResourceManager() {
|
|
/* Create resource limit handles. */
|
|
for (size_t i = 0; i < ResourceLimitGroup_Count; i++) {
|
|
if (i == ResourceLimitGroup_System) {
|
|
u64 value = 0;
|
|
R_ABORT_UNLESS(svc::GetInfo(&value, svc::InfoType_ResourceLimit, svc::InvalidHandle, 0));
|
|
g_resource_limit_handles[i] = static_cast<svc::Handle>(value);
|
|
} else {
|
|
R_ABORT_UNLESS(svc::CreateResourceLimit(&g_resource_limit_handles[i]));
|
|
}
|
|
}
|
|
|
|
/* 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 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;
|
|
}
|
|
|
|
/* 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;
|
|
}
|
|
|
|
/* 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));
|
|
|
|
/* 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);
|
|
|
|
/* Set the number of extra application threads. */
|
|
g_extra_application_threads_available = total_threads - required_threads;
|
|
}
|
|
|
|
/* Choose and initialize memory arrangement. */
|
|
const bool use_dynamic_memory_arrangement = (hos_version >= hos::Version_5_0_0);
|
|
if (use_dynamic_memory_arrangement) {
|
|
/* 6.0.0 retrieves memory limit information from the kernel, rather than using a hardcoded profile. */
|
|
g_memory_arrangement = spl::MemoryArrangement_Dynamic;
|
|
|
|
/* Get total memory available. */
|
|
s64 total_memory = 0;
|
|
R_ABORT_UNLESS(svc::GetResourceLimitLimitValue(&total_memory, GetResourceLimitHandle(ResourceLimitGroup_System), svc::LimitableResource_PhysicalMemoryMax));
|
|
|
|
/* Get and save application + applet memory. */
|
|
R_ABORT_UNLESS(svc::GetSystemInfo(&g_memory_resource_limits[spl::MemoryArrangement_Dynamic][ResourceLimitGroup_Application], svc::SystemInfoType_TotalPhysicalMemorySize, svc::InvalidHandle, svc::PhysicalMemorySystemInfo_Application));
|
|
R_ABORT_UNLESS(svc::GetSystemInfo(&g_memory_resource_limits[spl::MemoryArrangement_Dynamic][ResourceLimitGroup_Applet], svc::SystemInfoType_TotalPhysicalMemorySize, svc::InvalidHandle, svc::PhysicalMemorySystemInfo_Applet));
|
|
|
|
const s64 application_size = g_memory_resource_limits[spl::MemoryArrangement_Dynamic][ResourceLimitGroup_Application];
|
|
const s64 applet_size = g_memory_resource_limits[spl::MemoryArrangement_Dynamic][ResourceLimitGroup_Applet];
|
|
const s64 reserved_non_system_size = (application_size + applet_size + ReservedMemorySize600);
|
|
|
|
/* Ensure there's enough memory for the system region. */
|
|
AMS_ABORT_UNLESS(reserved_non_system_size < total_memory);
|
|
|
|
g_memory_resource_limits[spl::MemoryArrangement_Dynamic][ResourceLimitGroup_System] = total_memory - reserved_non_system_size;
|
|
} else {
|
|
/* Older system versions retrieve memory arrangement from spl, and use hardcoded profiles. */
|
|
g_memory_arrangement = spl::GetMemoryArrangement();
|
|
|
|
/* 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. */
|
|
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;
|
|
g_memory_resource_limits[i][src_group] -= extra_memory_size;
|
|
}
|
|
|
|
/* If KTrace is enabled, account for that by subtracting the memory from the applet pool. */
|
|
if (IsKTraceEnabled()) {
|
|
constexpr size_t KTraceBufferSize = 16_MB;
|
|
for (size_t i = 0; i < spl::MemoryArrangement_Count; i++) {
|
|
g_memory_resource_limits[i][ResourceLimitGroup_Applet] -= KTraceBufferSize;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Actually set resource limits. */
|
|
{
|
|
std::scoped_lock lk(g_resource_limit_lock);
|
|
|
|
for (size_t group = 0; group < ResourceLimitGroup_Count; group++) {
|
|
R_ABORT_UNLESS(SetResourceLimitLimitValues(static_cast<ResourceLimitGroup>(group), g_memory_resource_limits[g_memory_arrangement][group]));
|
|
}
|
|
}
|
|
|
|
return ResultSuccess();
|
|
}
|
|
|
|
Result BoostSystemMemoryResourceLimit(u64 boost_size) {
|
|
/* Don't allow all application memory to be taken away. */
|
|
R_UNLESS(boost_size <= g_memory_resource_limits[g_memory_arrangement][ResourceLimitGroup_Application], pm::ResultInvalidSize());
|
|
|
|
const u64 new_app_size = g_memory_resource_limits[g_memory_arrangement][ResourceLimitGroup_Application] - boost_size;
|
|
{
|
|
std::scoped_lock lk(g_resource_limit_lock);
|
|
|
|
if (hos::GetVersion() >= hos::Version_5_0_0) {
|
|
/* Starting in 5.0.0, PM does not allow for only one of the sets to fail. */
|
|
if (boost_size < g_system_memory_boost_size) {
|
|
R_TRY(svc::SetUnsafeLimit(boost_size));
|
|
R_ABORT_UNLESS(SetMemoryResourceLimitLimitValue(ResourceLimitGroup_Application, new_app_size));
|
|
} else {
|
|
R_TRY(SetMemoryResourceLimitLimitValue(ResourceLimitGroup_Application, new_app_size));
|
|
R_ABORT_UNLESS(svc::SetUnsafeLimit(boost_size));
|
|
}
|
|
} else {
|
|
const u64 new_sys_size = g_memory_resource_limits[g_memory_arrangement][ResourceLimitGroup_System] + boost_size;
|
|
if (boost_size < g_system_memory_boost_size) {
|
|
R_TRY(SetMemoryResourceLimitLimitValue(ResourceLimitGroup_System, new_sys_size));
|
|
R_TRY(SetMemoryResourceLimitLimitValue(ResourceLimitGroup_Application, new_app_size));
|
|
} else {
|
|
R_TRY(SetMemoryResourceLimitLimitValue(ResourceLimitGroup_Application, new_app_size));
|
|
R_TRY(SetMemoryResourceLimitLimitValue(ResourceLimitGroup_System, new_sys_size));
|
|
}
|
|
}
|
|
|
|
g_system_memory_boost_size = boost_size;
|
|
}
|
|
|
|
return ResultSuccess();
|
|
}
|
|
|
|
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));
|
|
|
|
/* Record that we did so. */
|
|
g_resource_limits[ResourceLimitGroup_Application][svc::LimitableResource_ThreadCountMax] = new_thread_count;
|
|
g_extra_application_threads_available = 0;
|
|
|
|
return ResultSuccess();
|
|
}
|
|
|
|
os::NativeHandle GetResourceLimitHandle(ResourceLimitGroup group) {
|
|
return g_resource_limit_handles[group];
|
|
}
|
|
|
|
os::NativeHandle GetResourceLimitHandle(const ldr::ProgramInfo *info) {
|
|
return GetResourceLimitHandle(GetResourceLimitGroup(info));
|
|
}
|
|
|
|
void WaitResourceAvailable(const ldr::ProgramInfo *info) {
|
|
if (GetResourceLimitGroup(info) == ResourceLimitGroup_Application) {
|
|
WaitResourceAvailable(ResourceLimitGroup_Application);
|
|
if (hos::GetVersion() >= hos::Version_5_0_0) {
|
|
WaitApplicationMemoryAvailable();
|
|
}
|
|
}
|
|
}
|
|
|
|
Result GetResourceLimitValues(s64 *out_cur, s64 *out_lim, ResourceLimitGroup group, svc::LimitableResource resource) {
|
|
/* Do not allow out of bounds access. */
|
|
AMS_ABORT_UNLESS(group < ResourceLimitGroup_Count);
|
|
AMS_ABORT_UNLESS(resource < svc::LimitableResource_Count);
|
|
|
|
const auto reslimit_hnd = GetResourceLimitHandle(group);
|
|
R_TRY(svc::GetResourceLimitCurrentValue(out_cur, reslimit_hnd, resource));
|
|
R_TRY(svc::GetResourceLimitLimitValue(out_lim, reslimit_hnd, resource));
|
|
|
|
return ResultSuccess();
|
|
}
|
|
|
|
}
|