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Intel VTune Amplifier XE 2013
Windows 8 64 bits. VS 2010 & VS 2012. IvyBridge, i7, GT2.
when I try to run bandwidth - Sandy Bridge / Ivy Bridge analysis, I get this error:
Error: PMU resources are not available. Hardware Event-based Sampling is not supported on this operating system.
Then I checked driver status - here's what I got. In admin commandline of coz.
C:\Program Files (x86)\Intel\VTune Amplifier XE 2013\bin32>amplxe-sepreg -c
Checking platform...
Platform is genuine Intel: OK
Platform has SSE2: OK
Platform architecture: INTEL64
User has admin rights: OK
Drivers will be installed to C:\Windows\System32\Drivers\
Checking sepdrv3_10 driver path...OK
Checking sepdrv3_10 service...
Driver status: the sepdrv3_10 service is running
Checking sepdal driver path...OK
Checking sepdal service...
Driver status: the sepdal service is running
C:\Program Files (x86)\Intel\VTune Amplifier XE 2013\bin32>amplxe-sepreg -i -v
Stopping service sepdrv3_10...OK
Copying file C:\Program Files (x86)\Intel\VTune Amplifier XE 2013\bin64\sepdrv\w
in7\sepdrv3_10.sys to C:\Windows\System32\Drivers\sepdrv3_10.sys...OK
Installing service sepdrv3_10...OK
Warning: service sepdrv3_10 already exists
Starting service sepdrv3_10...OK
Writing startup key to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\sepdrv3_10...OK
Stopping service sepdal...OK
Copying file C:\Program Files (x86)\Intel\VTune Amplifier XE 2013\bin64\sepdrv\w
in7\sepdal.sys to C:\Windows\System32\Drivers\sepdal.sys...OK
Installing service sepdal...OK
Warning: service sepdal already exists
Starting service sepdal...OK
Writing startup key to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\sepdal...OK
VTSS++ driver found
Deleting system32/drivers/vtss.sys file...OK
Forming source path for vtss.sys...OK
Forming destination path for vtss.sys...OK
Copying file C:\Program Files (x86)\Intel\VTune Amplifier XE 2013\bin32\.\..\bin64\sepdrv\vtss.sys to C:\Windows\system32\drivers\vtss.sys...OK
Installing and starting VTSS++ driver...FAILED
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gabest wrote:
Alright, here is what I figured out.
If you are developing for Windows Phone, the SDK enables the built-in Hypervisor of Windows 8. It blocks something for vtune to work with hardware events and it is not up-to-date enough to set the right cpuid feature bits if you want to detect Haswell.
Thank you to figure out this. Yes, VTune cannot access hardware PMU resource in Hyper-V environment!
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how do I know if Hyper-V is enabled? I didn't insteall SDK for windows Phone.
And I've tried Update 8, no luck :( will try to contact premier support.
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qually j. wrote:You might check BIOS to know Hyper-V disabled or enabled, read this article and you can explore more from web...
how do I know if Hyper-V is enabled? I didn't insteall SDK for windows Phone.
And I've tried Update 8, no luck :( will try to contact premier support.
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In Windows, you can enable/disable it at: Control Panel / Programs and Features / Turn Windows Features on or off / Hyper V.
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@Peter
Congratulations for receiving Black Belt status :)
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iliyapolak wrote:Thank you. I would like to take this chance to thank you, Sergey and Tim for your contributions of helping others on the forums.
@Peter
Congratulations for receiving Black Belt status :)
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@Peter
You are welcome:)
I really enjoy sharing my knowledge with others and learn from the others.
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fixed after turned off hyper-V... Million thanks! :)
is it possible to add that hint to this error message?
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Glad that this works.
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qually j. wrote:Have report this request to Dev team. Hopefully it might be supported in future releases.
fixed after turned off hyper-V... Million thanks! :)
is it possible to add that hint to this error message?
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Peter Wang (Intel) wrote:
Quote:
qually j.wrote:fixed after turned off hyper-V... Million thanks! :)
is it possible to add that hint to this error message?
Have report this request to Dev team. Hopefully it might be supported in future releases.
In future releases, error message has been updated as requested.
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cool! thanks a lot!
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I am still getting the original error message "amplxe: Error: PMU resource(s) currently being used by another profiling tool" when trying to monitor bandwidth for an MPI application on Windows 8.1 with VS 2013. I have disabled VT-D and Virtualization in the Bios. Coreinfo shows as further below. I have Update 16 of Vtune. Coreinfo shows that there is HyperVisor on my machine, but I can not find a way to get rid of this. Hypervisor is not showing up as a feature with dism /online /Get-Features
Any suggestions on how I can get the bandwidth profiling to work ?? Coreinfo below.
Intel(R) Core(TM) i5-4440 CPU @ 3.10GHz
Intel64 Family 6 Model 60 Stepping 3, GenuineIntel
HTT * Hyperthreading enabled
HYPERVISOR - Hypervisor is present
VMX * Supports Intel hardware-assisted virtualization
SVM - Supports AMD hardware-assisted virtualization
EM64T * Supports 64-bit mode
SMX - Supports Intel trusted execution
SKINIT - Supports AMD SKINIT
NX * Supports no-execute page protection
SMEP * Supports Supervisor Mode Execution Prevention
SMAP - Supports Supervisor Mode Access Prevention
PAGE1GB * Supports 1 GB large pages
PAE * Supports > 32-bit physical addresses
PAT * Supports Page Attribute Table
PSE * Supports 4 MB pages
PSE36 * Supports > 32-bit address 4 MB pages
PGE * Supports global bit in page tables
SS * Supports bus snooping for cache operations
VME * Supports Virtual-8086 mode
RDWRFSGSBASE * Supports direct GS/FS base access
FPU * Implements i387 floating point instructions
MMX * Supports MMX instruction set
MMXEXT - Implements AMD MMX extensions
3DNOW - Supports 3DNow! instructions
3DNOWEXT - Supports 3DNow! extension instructions
SSE * Supports Streaming SIMD Extensions
SSE2 * Supports Streaming SIMD Extensions 2
SSE3 * Supports Streaming SIMD Extensions 3
SSSE3 * Supports Supplemental SIMD Extensions 3
SSE4a - Supports Sreaming SIMDR Extensions 4a
SSE4.1 * Supports Streaming SIMD Extensions 4.1
SSE4.2 * Supports Streaming SIMD Extensions 4.2
AES * Supports AES extensions
AVX * Supports AVX intruction extensions
FMA * Supports FMA extensions using YMM state
MSR * Implements RDMSR/WRMSR instructions
MTRR * Supports Memory Type Range Registers
XSAVE * Supports XSAVE/XRSTOR instructions
OSXSAVE * Supports XSETBV/XGETBV instructions
RDRAND * Supports RDRAND instruction
RDSEED - Supports RDSEED instruction
CMOV * Supports CMOVcc instruction
CLFSH * Supports CLFLUSH instruction
CX8 * Supports compare and exchange 8-byte instructions
CX16 * Supports CMPXCHG16B instruction
BMI1 * Supports bit manipulation extensions 1
BMI2 * Supports bit manipulation extensions 2
ADX - Supports ADCX/ADOX instructions
DCA - Supports prefetch from memory-mapped device
F16C * Supports half-precision instruction
FXSR * Supports FXSAVE/FXSTOR instructions
FFXSR - Supports optimized FXSAVE/FSRSTOR instruction
MONITOR * Supports MONITOR and MWAIT instructions
MOVBE * Supports MOVBE instruction
ERMSB * Supports Enhanced REP MOVSB/STOSB
PCLULDQ * Supports PCLMULDQ instruction
POPCNT * Supports POPCNT instruction
LZCNT * Supports LZCNT instruction
SEP * Supports fast system call instructions
LAHF-SAHF * Supports LAHF/SAHF instructions in 64-bit mode
HLE - Supports Hardware Lock Elision instructions
RTM - Supports Restricted Transactional Memory instructions
DE * Supports I/O breakpoints including CR4.DE
DTES64 * Can write history of 64-bit branch addresses
DS * Implements memory-resident debug buffer
DS-CPL * Supports Debug Store feature with CPL
PCID * Supports PCIDs and settable CR4.PCIDE
INVPCID * Supports INVPCID instruction
PDCM * Supports Performance Capabilities MSR
RDTSCP * Supports RDTSCP instruction
TSC * Supports RDTSC instruction
TSC-DEADLINE * Local APIC supports one-shot deadline timer
TSC-INVARIANT * TSC runs at constant rate
xTPR * Supports disabling task priority messages
EIST * Supports Enhanced Intel Speedstep
ACPI * Implements MSR for power management
TM * Implements thermal monitor circuitry
TM2 * Implements Thermal Monitor 2 control
APIC * Implements software-accessible local APIC
x2APIC * Supports x2APIC
CNXT-ID - L1 data cache mode adaptive or BIOS
MCE * Supports Machine Check, INT18 and CR4.MCE
MCA * Implements Machine Check Architecture
PBE * Supports use of FERR#/PBE# pin
PSN - Implements 96-bit processor serial number
PREFETCHW * Supports PREFETCHW instruction
Maximum implemented CPUID leaves: 0000000D (Basic), 80000008 (Extended).
Logical to Physical Processor Map:
*--- Physical Processor 0
-*-- Physical Processor 1
--*- Physical Processor 2
---* Physical Processor 3
Logical Processor to Socket Map:
**** Socket 0
Logical Processor to NUMA Node Map:
**** NUMA Node 0
Logical Processor to Cache Map:
*--- Data Cache 0, Level 1, 32 KB, Assoc 8, LineSize 64
*--- Instruction Cache 0, Level 1, 32 KB, Assoc 8, LineSize 64
*--- Unified Cache 0, Level 2, 256 KB, Assoc 8, LineSize 64
**** Unified Cache 1, Level 3, 6 MB, Assoc 12, LineSize 64
-*-- Data Cache 1, Level 1, 32 KB, Assoc 8, LineSize 64
-*-- Instruction Cache 1, Level 1, 32 KB, Assoc 8, LineSize 64
-*-- Unified Cache 2, Level 2, 256 KB, Assoc 8, LineSize 64
--*- Data Cache 2, Level 1, 32 KB, Assoc 8, LineSize 64
--*- Instruction Cache 2, Level 1, 32 KB, Assoc 8, LineSize 64
--*- Unified Cache 3, Level 2, 256 KB, Assoc 8, LineSize 64
---* Data Cache 3, Level 1, 32 KB, Assoc 8, LineSize 64
---* Instruction Cache 3, Level 1, 32 KB, Assoc 8, LineSize 64
---* Unified Cache 4, Level 2, 256 KB, Assoc 8, LineSize 64
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This is a known limitation that PMU event-based sampling cannot work if HyperVisor was enabled. But User mode sampling still can work (they are hotspots, concurrency, and locksandwaits analysis)
Can you disable HyperVisor on Windows 8 first then try again? It's easy to find a way by search internet, here is an example of URL - http://superuser.com/questions/540055/convenient-way-to-enable-disable-hyper-v-in-windows-8 . Hope it helps!
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Peter Wang (Intel) wrote:
This is a known limitation that PMU event-based sampling cannot work if HyperVisor was enabled. But User mode sampling still can work (they are hotspots, concurrency, and locksandwaits analysis)
Can you disable HyperVisor on Windows 8 first then try again? It's easy to find a way by search internet, here is an example of URL - http://superuser.com/questions/540055/convenient-way-to-enable-disable-h... . Hope it helps!
Hi Peter,
PMU sampling with hotspots did not work, until I disabled hypervisor (2 reboots!). I was like "wow, I will enable hypervisor!" and there were consequences, so thank you for the link how to disable it.
My question is, what are advantages of enabled hypervisor and disadvantages (besides VTune doesn't like it)?
Is there any plan for VTune to work together with hypervisor enabled, or they are completely incompatible like water and fire?
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> My question is, what are advantages of enabled hypervisor and disadvantages (besides VTune doesn't like it)?
Microsoft* Hypervisor feature is Virtual Machine Manager in Windows* 8, it allows to install other operation system such as Windows* 7, or Linux*. it interferes VTune to access PMU resource so please disable it.
I don't know if there is any recent plan to allow VTune with Hypervisor working together - that need to change code in VTune and Hypervisor both, I think. But I had a feature request to development team, last year.
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I know what hypervisor is, it is kind of "ring -1" (privilege level), so guest kernel in virtual machine can more or less run natively in ring 0, and hypervisor solves issues when something can't be done natively in the guest.
But I thought virtual machines like virtualbox have their own kernel driver which provides hypervisor (and exploits VT-X and similar technologies).
But my question is why hypervisor is built-in into Windows?!
PS: sorry for offtopic question.
TIA!
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That, obviously, is a question for Microsoft*. ;)
Windows is designed to detect VT (virtual technology) in Intel processors and loads the hypervisor to enable guest OSes. At this time, the hypervisor allocates the PMU resources and does NOT share them. Thus, there is no way for VTune Amplifier to collect samples based on processor events. If you disable VT in the BIOS, Windows will not load the hypervisor.
It is totally up to Microsoft to update their hypervisor (Hyper-V) to enable sharing of the PMU resources. VMware* has done this with their Fusion* product line, so VTune Amplifier is able to collect event-based samples on the host and guest OSes.
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@MrAnderson
Is there a posibillity to virtualize PMU as a collection of various MSRs? I was thinking about the possibility to virtualize CPU PMU by memory-mapping various MSR registers in the address space of Guest OS. VM monitor could intercept rdmsr and wrmsr priviledged instructions probably issued by VTune driver running on Guest OS and access coresponding MSR registers.Now the question is how to pass those results to Guest OS memory-mapped virtualized MSR registers.
Thanks in advance.
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bcdedit /set {current} hypervisorlaunchtype off
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