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rocm-systems/docs/how-to/logging.rst
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Amh An milleán Stair

.. meta::
:description: HIP provides a logging mechanism that allows you to trace HIP API and runtime codes
when running a HIP application.
:keywords: AMD, ROCm, HIP, logging
**********************************************************
Logging HIP activity
**********************************************************
HIP provides a logging mechanism that allows you to trace HIP API and runtime codes when running a
HIP application. In addition to being useful to our users/developers, the HIP development team uses
these logs to improve the HIP runtime.
By adjusting the logging settings and logging mask, you can get different types of information for
different functionalities, such as HIP APIs, executed kernels, queue commands, and queue contents.
Refer to the following sections for examples.
.. tip::
Logging works for the release and debug versions of HIP. If you want to save logging output in a file,
define the file when running the application via command line. For example:
.. code-block:: bash
user@user-test:~/hip/bin$ ./hipinfo > ~/hip_log.txt
Logging level
======================================
HIP logging is disabled by default. You can enable it via the ``AMD_LOG_LEVEL`` environment variable.
The value of this variable controls your logging level. Levels are defined as follows:
.. code-block:: cpp
enum LogLevel {
LOG_NONE = 0,
LOG_ERROR = 1,
LOG_WARNING = 2,
LOG_INFO = 3,
LOG_DEBUG = 4
};
.. tip::
You can call a logging function with different logging levels. All information under the value set for
``AMD_LOG_LEVEL`` is printed.
Logging mask
======================================
The logging mask is designed to print functionality types when you're running a HIP application.
Once you set ``AMD_LOG_LEVEL``, the logging mask is set as the default value (``0x7FFFFFFF``). You can
change this to any of the valid values:
.. code-block:: cpp
enum LogMask {
LOG_API = 0x00000001, //!< API call
LOG_CMD = 0x00000002, //!< Kernel and Copy Commands and Barriers
LOG_WAIT = 0x00000004, //!< Synchronization and waiting for commands to finish
LOG_AQL = 0x00000008, //!< Decode and display AQL packets
LOG_QUEUE = 0x00000010, //!< Queue commands and queue contents
LOG_SIG = 0x00000020, //!< Signal creation, allocation, pool
LOG_LOCK = 0x00000040, //!< Locks and thread-safety code.
LOG_KERN = 0x00000080, //!< kernel creations and arguments, etc.
LOG_COPY = 0x00000100, //!< Copy debug
LOG_COPY2 = 0x00000200, //!< Detailed copy debug
LOG_RESOURCE = 0x00000400, //!< Resource allocation, performance-impacting events.
LOG_INIT = 0x00000800, //!< Initialization and shutdown
LOG_MISC = 0x00001000, //!< misc debug, not yet classified
LOG_AQL2 = 0x00002000, //!< Show raw bytes of AQL packet
LOG_CODE = 0x00004000, //!< Show code creation debug
LOG_CMD2 = 0x00008000, //!< More detailed command info, including barrier commands
LOG_LOCATION = 0x00010000, //!< Log message location
LOG_MEM = 0x00020000, //!< Memory allocation
LOG_MEM_POOL = 0x00040000, //!< Memory pool allocation, including memory in graphs
LOG_ALWAYS = 0xFFFFFFFF, //!< Log always even mask flag is zero
};
You can also define the logging mask via the ``AMD_LOG_MASK`` environment variable.
Logging command
======================================
You can use the following code to print HIP logging information:
.. code-block:: cpp
#define ClPrint(level, mask, format, ...) \
do { \
if (AMD_LOG_LEVEL >= level) { \
if (AMD_LOG_MASK & mask || mask == amd::LOG_ALWAYS) { \
if (AMD_LOG_MASK & amd::LOG_LOCATION) { \
amd::log_printf(level, __FILENAME__, __LINE__, format, ##__VA_ARGS__);\
} else { \
amd::log_printf(level, "", 0, format, ##__VA_ARGS__); \
} \
} \
} \
} while (false)
Using HIP code, call the ``ClPrint()`` function with the desired input variables. For example:
.. code-block:: cpp
ClPrint(amd::LOG_INFO, amd::LOG_INIT, "Initializing HSA stack.");
Logging examples
======================================
On **Linux**, you can enable HIP logging and retrieve logging information when you run ``hipinfo``.
.. code-block:: console
user@user-test:~/hip/bin$ export AMD_LOG_LEVEL=4
user@user-test:~/hip/bin$ ./hipinfo
:3:rocdevice.cpp :453 : 23647210092: Initializing HSA stack.
:3:comgrctx.cpp :33 : 23647639336: Loading COMGR library.
:3:rocdevice.cpp :203 : 23647687108: Numa select cpu agent[0]=0x13407c0(fine=0x13409a0,coarse=0x1340ad0) for gpu agent=0x1346150
:4:runtime.cpp :82 : 23647698669: init
:3:hip_device_runtime.cpp :473 : 23647698869: 5617 : [7fad295dd840] hipGetDeviceCount: Returned hipSuccess
:3:hip_device_runtime.cpp :502 : 23647698990: 5617 : [7fad295dd840] hipSetDevice ( 0 )
:3:hip_device_runtime.cpp :507 : 23647699042: 5617 : [7fad295dd840] hipSetDevice: Returned hipSuccess
--------------------------------------------------------------------------------
device# 0
:3:hip_device.cpp :150 : 23647699276: 5617 : [7fad295dd840] hipGetDeviceProperties ( 0x7ffdbe7db730, 0 )
:3:hip_device.cpp :237 : 23647699335: 5617 : [7fad295dd840] hipGetDeviceProperties: Returned hipSuccess
Name: Device 7341
pciBusID: 3
pciDeviceID: 0
pciDomainID: 0
multiProcessorCount: 11
maxThreadsPerMultiProcessor: 2560
isMultiGpuBoard: 0
clockRate: 1900 Mhz
memoryClockRate: 875 Mhz
memoryBusWidth: 0
clockInstructionRate: 1000 Mhz
totalGlobalMem: 7.98 GB
maxSharedMemoryPerMultiProcessor: 64.00 KB
totalConstMem: 8573157376
sharedMemPerBlock: 64.00 KB
canMapHostMemory: 1
regsPerBlock: 0
warpSize: 32
l2CacheSize: 0
computeMode: 0
maxThreadsPerBlock: 1024
maxThreadsDim.x: 1024
maxThreadsDim.y: 1024
maxThreadsDim.z: 1024
maxGridSize.x: 2147483647
maxGridSize.y: 2147483647
maxGridSize.z: 2147483647
major: 10
minor: 12
concurrentKernels: 1
cooperativeLaunch: 0
cooperativeMultiDeviceLaunch: 0
arch.hasGlobalInt32Atomics: 1
...
gcnArch: 1012
isIntegrated: 0
maxTexture1D: 65536
maxTexture2D.width: 16384
maxTexture2D.height: 16384
maxTexture3D.width: 2048
maxTexture3D.height: 2048
maxTexture3D.depth: 2048
isLargeBar: 0
:3:hip_device_runtime.cpp :471 : 23647701557: 5617 : [7fad295dd840] hipGetDeviceCount ( 0x7ffdbe7db714 )
:3:hip_device_runtime.cpp :473 : 23647701608: 5617 : [7fad295dd840] hipGetDeviceCount: Returned hipSuccess
:3:hip_peer.cpp :76 : 23647701731: 5617 : [7fad295dd840] hipDeviceCanAccessPeer ( 0x7ffdbe7db728, 0, 0 )
:3:hip_peer.cpp :60 : 23647701784: 5617 : [7fad295dd840] canAccessPeer: Returned hipSuccess
:3:hip_peer.cpp :77 : 23647701831: 5617 : [7fad295dd840] hipDeviceCanAccessPeer: Returned hipSuccess
peers:
:3:hip_peer.cpp :76 : 23647701921: 5617 : [7fad295dd840] hipDeviceCanAccessPeer ( 0x7ffdbe7db728, 0, 0 )
:3:hip_peer.cpp :60 : 23647701965: 5617 : [7fad295dd840] canAccessPeer: Returned hipSuccess
:3:hip_peer.cpp :77 : 23647701998: 5617 : [7fad295dd840] hipDeviceCanAccessPeer: Returned hipSuccess
non-peers: device#0
:3:hip_memory.cpp :345 : 23647702191: 5617 : [7fad295dd840] hipMemGetInfo ( 0x7ffdbe7db718, 0x7ffdbe7db720 )
:3:hip_memory.cpp :360 : 23647702243: 5617 : [7fad295dd840] hipMemGetInfo: Returned hipSuccess
memInfo.total: 7.98 GB
memInfo.free: 7.98 GB (100%)
On **Windows**, you can set ``AMD_LOG_LEVEL`` via environment variable from the advanced system
settings or the command prompt (when run as administrator). The following example shows debug log
information when calling the backend runtime.
.. code-block:: bash
C:\hip\bin>set AMD_LOG_LEVEL=4
C:\hip\bin>hipinfo
:3:C:\constructicon\builds\gfx\two\22.40\drivers\compute\vdi\device\comgrctx.cpp:33 : 605413686305 us: 29864: [tid:0x9298] Loading COMGR library.
:4:C:\constructicon\builds\gfx\two\22.40\drivers\compute\vdi\platform\runtime.cpp:83 : 605413869411 us: 29864: [tid:0x9298] init
:3:C:\constructicon\builds\gfx\two\22.40\drivers\compute\hipamd\src\hip_context.cpp:47 : 605413869502 us: 29864: [tid:0x9298] Direct Dispatch: 0
:3:C:\constructicon\builds\gfx\two\22.40\drivers\compute\hipamd\src\hip_device_runtime.cpp:543 : 605413870553 us: 29864: [tid:0x9298] hipGetDeviceCount: Returned hipSuccess :
:3:C:\constructicon\builds\gfx\two\22.40\drivers\compute\hipamd\src\hip_device_runtime.cpp:556 : 605413870631 us: 29864: [tid:0x9298] ←[32m hipSetDevice ( 0 ) ←[0m
:3:C:\constructicon\builds\gfx\two\22.40\drivers\compute\hipamd\src\hip_device_runtime.cpp:561 : 605413870848 us: 29864: [tid:0x9298] hipSetDevice: Returned hipSuccess :
--------------------------------------------------------------------------------
device# 0
:3:C:\constructicon\builds\gfx\two\22.40\drivers\compute\hipamd\src\hip_device.cpp:346 : 605413871623 us: 29864: [tid:0x9298] ←[32m hipGetDeviceProperties ( 0000008AEBEFF8C8, 0 ) ←[0m
:3:C:\constructicon\builds\gfx\two\22.40\drivers\compute\hipamd\src\hip_device.cpp:348 : 605413871695 us: 29864: [tid:0x9298] hipGetDeviceProperties: Returned hipSuccess :
Name: AMD Radeon(TM) Graphics
pciBusID: 3
pciDeviceID: 0
pciDomainID: 0
multiProcessorCount: 7
maxThreadsPerMultiProcessor: 2560
isMultiGpuBoard: 0
clockRate: 1600 Mhz
memoryClockRate: 1333 Mhz
memoryBusWidth: 0
totalGlobalMem: 12.06 GB
totalConstMem: 2147483647
sharedMemPerBlock: 64.00 KB
...
gcnArchName: gfx90c:xnack-
:3:C:\constructicon\builds\gfx\two\22.40\drivers\compute\hipamd\src\hip_device_runtime.cpp:541 : 605413924779 us: 29864: [tid:0x9298] ←[32m hipGetDeviceCount ( 0000008AEBEFF8A4 ) ←[0m
:3:C:\constructicon\builds\gfx\two\22.40\drivers\compute\hipamd\src\hip_device_runtime.cpp:543 : 605413925075 us: 29864: [tid:0x9298] hipGetDeviceCount: Returned hipSuccess :
peers: :3:C:\constructicon\builds\gfx\two\22.40\drivers\compute\hipamd\src\hip_peer.cpp:176 : 605413928643 us: 29864: [tid:0x9298] ←[32m hipDeviceCanAccessPeer ( 0000008AEBEFF890, 0, 0 ) ←[0m
:3:C:\constructicon\builds\gfx\two\22.40\drivers\compute\hipamd\src\hip_peer.cpp:177 : 605413928743 us: 29864: [tid:0x9298] hipDeviceCanAccessPeer: Returned hipSuccess :
non-peers: :3:C:\constructicon\builds\gfx\two\22.40\drivers\compute\hipamd\src\hip_peer.cpp:176 : 605413930830 us: 29864: [tid:0x9298] ←[32m hipDeviceCanAccessPeer ( 0000008AEBEFF890, 0, 0 ) ←[0m
:3:C:\constructicon\builds\gfx\two\22.40\drivers\compute\hipamd\src\hip_peer.cpp:177 : 605413930882 us: 29864: [tid:0x9298] hipDeviceCanAccessPeer: Returned hipSuccess :
device#0
...
:4:C:\constructicon\builds\gfx\two\22.40\drivers\compute\vdi\device\pal\palmemory.cpp:430 : 605414517802 us: 29864: [tid:0x9298] Free-: 8000 bytes, VM[ 3007c8000, 3007d0000]
:3:C:\constructicon\builds\gfx\two\22.40\drivers\compute\vdi\device\devprogram.cpp:2979: 605414517893 us: 29864: [tid:0x9298] For Init/Fini: Kernel Name: __amd_rocclr_copyBufferToImage
:3:C:\constructicon\builds\gfx\two\22.40\drivers\compute\vdi\device\devprogram.cpp:2979: 605414518259 us: 29864: [tid:0x9298] For Init/Fini: Kernel Name: __amd_rocclr_copyBuffer
...
:4:C:\constructicon\builds\gfx\two\22.40\drivers\compute\vdi\device\pal\palmemory.cpp:206 : 605414523422 us: 29864: [tid:0x9298] Alloc: 100000 bytes, ptr[00000003008D0000-00000003009D0000], obj[00000003007D0000-00000003047D0000]
:4:C:\constructicon\builds\gfx\two\22.40\drivers\compute\vdi\device\pal\palmemory.cpp:206 : 605414523767 us: 29864: [tid:0x9298] Alloc: 100000 bytes, ptr[00000003009D0000-0000000300AD0000], obj[00000003007D0000-00000003047D0000]
:3:C:\constructicon\builds\gfx\two\22.40\drivers\compute\hipamd\src\hip_memory.cpp:681 : 605414524092 us: 29864: [tid:0x9298] hipMemGetInfo: Returned hipSuccess :
memInfo.total: 12.06 GB
memInfo.free: 11.93 GB (99%)
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