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vm_session: support to trace vCPU

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Issue #3111
This commit is contained in:
Alexander Boettcher 2019-04-17 14:16:27 +02:00 committed by Christian Helmuth
parent dca144f2ee
commit 05fa063068
22 changed files with 189 additions and 70 deletions
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5
repos/base-foc/src/core/include/vm_session_component.h
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@ -25,6 +25,8 @@
#include <dataspace_component.h>
#include <region_map_component.h>
#include <trace/source_registry.h>
namespace Genode { class Vm_session_component; struct Vcpu; }
struct Genode::Vcpu : Genode::List<Vcpu>::Element
@ -83,7 +85,8 @@ class Genode::Vm_session_component
using Cap_quota_guard::upgrade;
Vm_session_component(Rpc_entrypoint &, Resources, Label const &,
Diag, Ram_allocator &ram, Region_map &, unsigned);
Diag, Ram_allocator &ram, Region_map &, unsigned,
Trace::Source_registry &);
~Vm_session_component();
/*********************************

9
repos/base-foc/src/core/spec/x86/platform_services.cc
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@ -20,12 +20,13 @@
/*
* Add x86 specific services
*/
void Genode::platform_add_local_services(Rpc_entrypoint &ep,
Sliced_heap &heap,
Registry<Service> &services)
void Genode::platform_add_local_services(Rpc_entrypoint &ep,
Sliced_heap &heap,
Registry<Service> &services,
Trace::Source_registry &trace_sources)
{
static Vm_root vm_root(ep, heap, core_env().ram_allocator(),
core_env().local_rm());
core_env().local_rm(), trace_sources);
static Core_service<Vm_session_component> vm(services, vm_root);
static Io_port_root io_root(*core_env().pd_session(),

3
repos/base-foc/src/core/vm_session_component.cc
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@ -34,7 +34,8 @@ Vm_session_component::Vm_session_component(Rpc_entrypoint &ep,
Diag,
Ram_allocator &ram,
Region_map &local_rm,
unsigned)
unsigned,
Trace::Source_registry &)
:
Ram_quota_guard(resources.ram_quota),
Cap_quota_guard(resources.cap_quota),

2
repos/base-hw/src/core/spec/arm_v7/trustzone/vm_session_component.cc
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@ -34,7 +34,7 @@ Vm_session_component::Vm_session_component(Rpc_entrypoint &ds_ep,
Diag,
Ram_allocator &ram_alloc,
Region_map &region_map,
unsigned)
unsigned, Trace::Source_registry &)
:
Ram_quota_guard(resources.ram_quota),
Cap_quota_guard(resources.cap_quota),

3
repos/base-hw/src/core/spec/arm_v7/trustzone/vm_session_component.h
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@ -19,6 +19,7 @@
#include <base/session_object.h>
#include <vm_session/vm_session.h>
#include <dataspace/capability.h>
#include <trace/source_registry.h>
/* Core includes */
#include <object.h>
@ -68,7 +69,7 @@ class Genode::Vm_session_component
Vm_session_component(Rpc_entrypoint &, Resources, Label const &,
Diag, Ram_allocator &ram, Region_map &,
unsigned priority);
unsigned priority, Trace::Source_registry &);
~Vm_session_component();
/**************************

3
repos/base-hw/src/core/spec/arm_v7/virtualization/vm_session_component.cc
View File

@ -93,7 +93,8 @@ Vm_session_component::Vm_session_component(Rpc_entrypoint &ds_ep,
Diag,
Ram_allocator &ram_alloc,
Region_map &region_map,
unsigned)
unsigned,
Trace::Source_registry &)
:
Ram_quota_guard(resources.ram_quota),
Cap_quota_guard(resources.cap_quota),

5
repos/base-hw/src/core/spec/arm_v7/virtualization/vm_session_component.h
View File

@ -28,6 +28,8 @@
#include <translation_table.h>
#include <kernel/vm.h>
#include <trace/source_registry.h>
namespace Genode {
class Vm_session_component;
}
@ -86,7 +88,8 @@ class Genode::Vm_session_component
using Rpc_object<Vm_session, Vm_session_component>::cap;
Vm_session_component(Rpc_entrypoint &, Resources, Label const &,
Diag, Ram_allocator &ram, Region_map &, unsigned);
Diag, Ram_allocator &ram, Region_map &, unsigned,
Trace::Source_registry &);
~Vm_session_component();
/*********************************

9
repos/base-hw/src/core/spec/arndale/platform_services.cc
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@ -29,9 +29,10 @@ extern Genode::addr_t hypervisor_exception_vector;
/*
* Add ARM virtualization specific vm service
*/
void Genode::platform_add_local_services(Rpc_entrypoint &ep,
Sliced_heap &sh,
Registry<Service> &services)
void Genode::platform_add_local_services(Rpc_entrypoint &ep,
Sliced_heap &sh,
Registry<Service> &services,
Trace::Source_registry &trace_sources)
{
using namespace Genode;
@ -40,6 +41,6 @@ void Genode::platform_add_local_services(Rpc_entrypoint &ep,
Hw::PAGE_FLAGS_KERN_TEXT);
static Vm_root vm_root(ep, sh, core_env().ram_allocator(),
core_env().local_rm());
core_env().local_rm(), trace_sources);
static Core_service<Vm_session_component> vm_service(services, vm_root);
}

9
repos/base-hw/src/core/spec/imx53/trustzone/platform_services.cc
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@ -28,15 +28,16 @@ extern int monitor_mode_exception_vector;
/*
* Add TrustZone specific vm service
*/
void Genode::platform_add_local_services(Rpc_entrypoint &ep,
Sliced_heap &sliced_heap,
Registry<Service> &local_services)
void Genode::platform_add_local_services(Rpc_entrypoint &ep,
Sliced_heap &sliced_heap,
Registry<Service> &local_services,
Trace::Source_registry &trace_sources)
{
static addr_t const phys_base =
Platform::core_phys_addr((addr_t)&monitor_mode_exception_vector);
map_local(phys_base, Hw::Mm::system_exception_vector().base, 1,
Hw::PAGE_FLAGS_KERN_TEXT);
static Vm_root vm_root(ep, sliced_heap, core_env().ram_allocator(),
core_env().local_rm());
core_env().local_rm(), trace_sources);
static Core_service<Vm_session_component> vm_service(local_services, vm_root);
}

9
repos/base-hw/src/core/spec/x86_64/muen/platform_services.cc
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@ -24,12 +24,13 @@
/*
* Add I/O port service and virtualization specific vm service
*/
void Genode::platform_add_local_services(Rpc_entrypoint &ep,
Sliced_heap &sliced_heap,
Registry<Service> &services)
void Genode::platform_add_local_services(Rpc_entrypoint &ep,
Sliced_heap &sliced_heap,
Registry<Service> &services,
Trace::Source_registry &trace_sources)
{
static Vm_root vm_root(ep, sliced_heap, core_env().ram_allocator(),
core_env().local_rm());
core_env().local_rm(), trace_sources);
static Core_service<Vm_session_component> vm_ls(services, vm_root);
static Io_port_root io_port_root(*core_env().pd_session(),

4
repos/base-hw/src/core/spec/x86_64/muen/vm_session_component.h
View File

@ -19,6 +19,7 @@
#include <base/rpc_server.h>
#include <vm_session/vm_session.h>
#include <dataspace/capability.h>
#include <trace/source_registry.h>
/* Core includes */
#include <dataspace_component.h>
@ -45,7 +46,8 @@ class Genode::Vm_session_component
Vm_session_component(Rpc_entrypoint &, Resources resources,
Label const &, Diag, Ram_allocator &,
Region_map &, unsigned)
Region_map &, unsigned,
Trace::Source_registry &)
:
Ram_quota_guard(resources.ram_quota),
Cap_quota_guard(resources.cap_quota),

76
repos/base-nova/src/core/include/vm_session_component.h
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@ -17,8 +17,12 @@
/* Genode includes */
#include <base/allocator_guard.h>
#include <base/rpc_server.h>
#include <vm_session/vm_session.h>
#include <trace/control_area.h>
#include <trace/source_registry.h>
namespace Genode { class Vm_session_component; }
class Genode::Vm_session_component
@ -33,7 +37,12 @@ class Genode::Vm_session_component
typedef Constrained_ram_allocator Con_ram_allocator;
typedef Allocator_avl_tpl<Rm_region> Avl_region;
class Vcpu : public List<Vcpu>::Element {
class Vcpu : private List<Vcpu>::Element,
public Trace::Source::Info_accessor
{
friend class List<Vcpu>;
friend class Vm_session_component;
public:
@ -43,17 +52,23 @@ class Genode::Vm_session_component
Constrained_ram_allocator &_ram_alloc;
Cap_quota_guard &_cap_alloc;
Trace::Source_registry &_trace_sources;
Ram_dataspace_capability _ds_cap { };
addr_t _sel_sm_ec_sc;
addr_t _vm_pt_cnt { 0 };
Vcpu_id const _id;
State _state { INIT };
Affinity::Location const _location;
Session_label const &_label;
public:
Vcpu(Constrained_ram_allocator &ram_alloc,
Cap_quota_guard &cap_alloc,
Vcpu_id const id);
Vcpu_id const id, Affinity::Location const,
Session_label const &,
Trace::Control_area &,
Trace::Source_registry &);
~Vcpu();
@ -70,17 +85,55 @@ class Genode::Vm_session_component
void alive() { _state = ALIVE; };
static addr_t invalid() { return ~0UL; }
/********************************************
** Trace::Source::Info_accessor interface **
********************************************/
Trace::Source::Info trace_source_info() const override;
private:
struct Trace_control_slot
{
unsigned index = 0;
Trace::Control_area &_trace_control_area;
Trace_control_slot(Trace::Control_area &trace_control_area)
: _trace_control_area(trace_control_area)
{
if (!_trace_control_area.alloc(index))
throw Out_of_ram();
}
~Trace_control_slot()
{
_trace_control_area.free(index);
}
Trace::Control &control()
{
return *_trace_control_area.at(index);
}
};
Trace_control_slot _trace_control_slot;
Trace::Source _trace_source { *this, _trace_control_slot.control() };
};
Rpc_entrypoint &_ep;
Con_ram_allocator _constrained_md_ram_alloc;
Sliced_heap _heap;
Avl_region _map { &_heap };
addr_t _pd_sel { 0 };
unsigned _id_alloc { 0 };
unsigned _priority;
Rpc_entrypoint &_ep;
Trace::Control_area _trace_control_area;
Trace::Source_registry &_trace_sources;
Con_ram_allocator _constrained_md_ram_alloc;
Sliced_heap _heap;
Avl_region _map { &_heap };
addr_t _pd_sel { 0 };
unsigned _id_alloc { 0 };
unsigned _priority;
Session_label const _session_label;
List<Vcpu> _vcpus { };
List<Vcpu> _vcpus { };
Vcpu * _lookup(Vcpu_id const vcpu_id)
{
@ -104,7 +157,8 @@ class Genode::Vm_session_component
using Cap_quota_guard::upgrade;
Vm_session_component(Rpc_entrypoint &, Resources, Label const &,
Diag, Ram_allocator &ram, Region_map &, unsigned);
Diag, Ram_allocator &ram, Region_map &, unsigned,
Trace::Source_registry &);
~Vm_session_component();
/*********************************

9
repos/base-nova/src/core/platform_services.cc
View File

@ -20,12 +20,13 @@
/*
* Add x86 specific services
*/
void Genode::platform_add_local_services(Rpc_entrypoint &ep,
Sliced_heap &heap,
Registry<Service> &services)
void Genode::platform_add_local_services(Rpc_entrypoint &ep,
Sliced_heap &heap,
Registry<Service> &services,
Trace::Source_registry &trace_sources)
{
static Vm_root vm_root(ep, heap, core_env().ram_allocator(),
core_env().local_rm());
core_env().local_rm(), trace_sources);
static Core_service<Vm_session_component> vm(services, vm_root);
static Io_port_root io_root(*core_env().pd_session(),

49
repos/base-nova/src/core/vm_session_component.cc
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@ -37,12 +37,20 @@ enum { CAP_RANGE_LOG2 = 2, CAP_RANGE = 1 << CAP_RANGE_LOG2 };
Vm_session_component::Vcpu::Vcpu(Constrained_ram_allocator &ram_alloc,
Cap_quota_guard &cap_alloc,
Vcpu_id const id)
Vcpu_id const id,
Affinity::Location const location,
Session_label const &label,
Trace::Control_area &trace_control_area,
Trace::Source_registry &trace_sources)
:
_ram_alloc(ram_alloc),
_cap_alloc(cap_alloc),
_trace_sources(trace_sources),
_sel_sm_ec_sc(invalid()),
_id(id)
_id(id),
_location(location),
_label(label),
_trace_control_slot(trace_control_area)
{
/* account caps required to setup vCPU */
_cap_alloc.withdraw(Cap_quota{CAP_RANGE});
@ -63,10 +71,14 @@ Vm_session_component::Vcpu::Vcpu(Constrained_ram_allocator &ram_alloc,
cap_map().remove(_sel_sm_ec_sc, CAP_RANGE_LOG2);
throw;
}
_trace_sources.insert(&_trace_source);
}
Vm_session_component::Vcpu::~Vcpu()
{
_trace_sources.remove(&_trace_source);
if (_ds_cap.valid())
_ram_alloc.free(_ds_cap);
@ -85,6 +97,19 @@ addr_t Vm_session_component::Vcpu::new_pt_id()
return MAX_VM_EXITS * _id.id + _vm_pt_cnt ++;
}
Genode::Trace::Source::Info Vm_session_component::Vcpu::trace_source_info() const
{
Genode::uint64_t sc_time = 0;
uint8_t res = Nova::sc_ctrl(sc_sel(), sc_time);
if (res != Nova::NOVA_OK)
warning("sc_ctrl failed res=", res);
return { _label, String<5>("vCPU"),
Trace::Execution_time(sc_time, sc_time),
_location };
}
static Nova::uint8_t map_async_caps(Nova::Obj_crd const src,
Nova::Obj_crd const dst,
@ -132,13 +157,16 @@ void Vm_session_component::_create_vcpu(Thread_capability cap)
return;
/* lookup vmm pd and cpu location of handler thread in VMM */
addr_t kernel_cpu_id = 0;
addr_t kernel_cpu_id = 0;
Affinity::Location vcpu_location;
auto lambda = [&] (Cpu_thread_component *ptr) {
if (!ptr)
return Vcpu::invalid();
Cpu_thread_component &thread = *ptr;
vcpu_location = thread.platform_thread().affinity();
addr_t genode_cpu_id = thread.platform_thread().affinity().xpos();
kernel_cpu_id = platform_specific().kernel_cpu_id(genode_cpu_id);
@ -153,7 +181,11 @@ void Vm_session_component::_create_vcpu(Thread_capability cap)
/* allocate vCPU object */
Vcpu &vcpu = *new (_heap) Vcpu(_constrained_md_ram_alloc,
_cap_quota_guard(),
Vcpu_id {_id_alloc});
Vcpu_id {_id_alloc},
vcpu_location,
_session_label,
_trace_control_area,
_trace_sources);
/* we ran out of caps in core */
if (!vcpu.ds_cap().valid())
@ -273,18 +305,21 @@ Genode::Dataspace_capability Vm_session_component::_cpu_state(Vcpu_id const vcpu
Vm_session_component::Vm_session_component(Rpc_entrypoint &ep,
Resources resources,
Label const &,
Label const &label,
Diag,
Ram_allocator &ram,
Region_map &local_rm,
unsigned const priority)
unsigned const priority,
Trace::Source_registry &trace_sources)
:
Ram_quota_guard(resources.ram_quota),
Cap_quota_guard(resources.cap_quota),
_ep(ep),
_trace_control_area(ram, local_rm), _trace_sources(trace_sources),
_constrained_md_ram_alloc(ram, _ram_quota_guard(), _cap_quota_guard()),
_heap(_constrained_md_ram_alloc, local_rm),
_priority(scale_priority(priority, "VM session"))
_priority(scale_priority(priority, "VM session")),
_session_label(label)
{
_cap_quota_guard().withdraw(Cap_quota{1});

5
repos/base-sel4/src/core/include/vm_session_component.h
View File

@ -19,6 +19,8 @@
#include <base/rpc_server.h>
#include <vm_session/vm_session.h>
#include <trace/source_registry.h>
namespace Genode { class Vm_session_component; }
class Genode::Vm_session_component
@ -96,7 +98,8 @@ class Genode::Vm_session_component
using Cap_quota_guard::upgrade;
Vm_session_component(Rpc_entrypoint &, Resources, Label const &,
Diag, Ram_allocator &ram, Region_map &, unsigned);
Diag, Ram_allocator &ram, Region_map &, unsigned,
Trace::Source_registry &);
~Vm_session_component();
/*********************************

9
repos/base-sel4/src/core/spec/x86/platform_services.cc
View File

@ -20,12 +20,13 @@
/*
* Add x86 specific services
*/
void Genode::platform_add_local_services(Rpc_entrypoint &ep,
Sliced_heap &heap,
Registry<Service> &services)
void Genode::platform_add_local_services(Rpc_entrypoint &ep,
Sliced_heap &heap,
Registry<Service> &services,
Trace::Source_registry &trace_sources)
{
static Vm_root vm_root(ep, heap, core_env().ram_allocator(),
core_env().local_rm());
core_env().local_rm(), trace_sources);
static Core_service<Vm_session_component> vm(services, vm_root);
static Io_port_root io_root(*core_env().pd_session(),

3
repos/base-sel4/src/core/spec/x86/vm_session_component.cc
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@ -70,7 +70,8 @@ Vm_session_component::Vm_session_component(Rpc_entrypoint &ep,
Diag,
Ram_allocator &ram,
Region_map &local_rm,
unsigned)
unsigned,
Trace::Source_registry &)
try
:
Ram_quota_guard(resources.ram_quota),

15
repos/base/src/core/include/platform_services.h
View File

@ -15,6 +15,7 @@
#define _CORE__INCLUDE__PLATFORM_SERVICES_H_
#include <core_service.h>
#include <trace/source_registry.h>
namespace Genode {
@ -26,13 +27,15 @@ namespace Genode {
* Register platform-specific services at entrypoint, and service
* registry
*
* \param ep entrypoint used for session components of platform-services
* \param md metadata allocator for session components
* \param reg registry where to add platform-specific services
* \param ep entrypoint used for session components of platform-services
* \param md metadata allocator for session components
* \param reg registry where to add platform-specific services
* \param trace registry where to add trace subjects
*/
void platform_add_local_services(Rpc_entrypoint &ep,
Sliced_heap &md,
Registry<Service> &reg);
void platform_add_local_services(Rpc_entrypoint &ep,
Sliced_heap &md,
Registry<Service> &reg,
Trace::Source_registry &trace);
}
#endif /* _CORE__INCLUDE__PLATFORM_SERVICES_H_ */

20
repos/base/src/core/include/vm_root.h
View File

@ -27,8 +27,9 @@ class Genode::Vm_root : public Root_component<Vm_session_component>
{
private:
Ram_allocator &_ram_allocator;
Region_map &_local_rm;
Ram_allocator &_ram_allocator;
Region_map &_local_rm;
Trace::Source_registry &_trace_sources;
protected:
@ -48,7 +49,8 @@ class Genode::Vm_root : public Root_component<Vm_session_component>
session_resources_from_args(args),
session_label_from_args(args),
session_diag_from_args(args),
_ram_allocator, _local_rm, priority);
_ram_allocator, _local_rm, priority,
_trace_sources);
}
void _upgrade_session(Vm_session_component *vm, const char *args) override
@ -65,13 +67,15 @@ class Genode::Vm_root : public Root_component<Vm_session_component>
* \param session_ep entrypoint managing vm_session components
* \param md_alloc meta-data allocator to be used by root component
*/
Vm_root(Rpc_entrypoint &session_ep,
Allocator &md_alloc,
Ram_allocator &ram_alloc,
Region_map &local_rm)
Vm_root(Rpc_entrypoint &session_ep,
Allocator &md_alloc,
Ram_allocator &ram_alloc,
Region_map &local_rm,
Trace::Source_registry &trace_sources)
: Root_component<Vm_session_component>(&session_ep, &md_alloc),
_ram_allocator(ram_alloc),
_local_rm(local_rm)
_local_rm(local_rm),
_trace_sources(trace_sources)
{ }
};

2
repos/base/src/core/main.cc
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@ -277,7 +277,7 @@ int main()
static Core_service<Trace::Session_component> trace_service (services, trace_root);
/* make platform-specific services known to service pool */
platform_add_local_services(ep, sliced_heap, services);
platform_add_local_services(ep, sliced_heap, services, Trace::sources());
size_t const avail_ram_quota = core_pd.avail_ram().value;
size_t const avail_cap_quota = core_pd.avail_caps().value;

3
repos/base/src/core/platform_services.cc
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@ -16,4 +16,5 @@
void Genode::platform_add_local_services(Rpc_entrypoint &, Sliced_heap &,
Registry<Service> &) { }
Registry<Service> &,
Trace::Source_registry &) { }

7
repos/base/src/core/spec/x86/platform_services.cc
View File

@ -24,9 +24,10 @@
/*
* Add x86 specific ioport service
*/
void Genode::platform_add_local_services(Rpc_entrypoint &,
Sliced_heap &sliced_heap,
Registry<Service> &local_services)
void Genode::platform_add_local_services(Rpc_entrypoint &,
Sliced_heap &sliced_heap,
Registry<Service> &local_services,
Trace::Source_registry &)
{
static Io_port_root io_port_root(*core_env().pd_session(),
platform().io_port_alloc(), sliced_heap);