Refactor Level Zero Adapter to use new logger

This commit refactors the Level Zero adapter to adopt the new logger
introduced in d9cd223 (Integrate logger with library, 2023-02-03).

Signed-off-by: Łukasz Plewa <lukasz.plewa@intel.com>

source/adapters/level_zero/adapter.cpp

@@ -19,6 +19,21 @@ ur_adapter_handle_t_ *GlobalAdapter = new ur_adapter_handle_t_();
 ur_adapter_handle_t_ *GlobalAdapter;
 #endif
 
+class ur_legacy_sink : public logger::Sink {
+public:
+ ur_legacy_sink(std::string logger_name = "", bool skip_prefix = true)
+ : Sink(std::move(logger_name), skip_prefix) {
+ this->ostream = &std::cerr;
+ }
+
+ virtual void print([[maybe_unused]] logger::Level level,
+ const std::string &msg) override {
+ fprintf(stderr, "%s", msg.c_str());
+ }
+
+ ~ur_legacy_sink() = default;
+};
+
 ur_result_t initPlatforms(PlatformVec &platforms) noexcept try {
  uint32_t ZeDriverCount = 0;
  ZE2UR_CALL(zeDriverGet, (&ZeDriverCount, nullptr));
@@ -44,7 +59,18 @@ ur_result_t initPlatforms(PlatformVec &platforms) noexcept try {
 
 ur_result_t adapterStateInit() { return UR_RESULT_SUCCESS; }
 
-ur_adapter_handle_t_::ur_adapter_handle_t_() {
+ur_adapter_handle_t_::ur_adapter_handle_t_()
+ : logger(logger::get_logger("level_zero")) {
+
+ if (UrL0Debug & UR_L0_DEBUG_BASIC) {
+ logger.setLegacySink(std::make_unique<ur_legacy_sink>());
+ };
+
+ if (UrL0Debug & UR_L0_DEBUG_VALIDATION) {
+ setEnvVar("ZE_ENABLE_VALIDATION_LAYER", "1");
+ setEnvVar("ZE_ENABLE_PARAMETER_VALIDATION", "1");
+ }
+
  PlatformCache.Compute = [](Result<PlatformVec> &result) {
  static std::once_flag ZeCallCountInitialized;
  try {
@@ -68,7 +94,7 @@ ur_adapter_handle_t_::ur_adapter_handle_t_() {
  }
 
  if (getenv("SYCL_ENABLE_PCI") != nullptr) {
- urPrint(
+ logger::warning(
  "WARNING: SYCL_ENABLE_PCI is deprecated and no longer needed.\n");
  }
 
@@ -91,8 +117,9 @@ ur_adapter_handle_t_::ur_adapter_handle_t_() {
  return;
  }
  if (*GlobalAdapter->ZeResult != ZE_RESULT_SUCCESS) {
- urPrint("zeInit: Level Zero initialization failure\n");
+ logger::error("zeInit: Level Zero initialization failure\n");
  result = ze2urResult(*GlobalAdapter->ZeResult);
+
  return;
  }
 
@@ -157,10 +184,10 @@ ur_result_t adapterStateTeardown() {
  // zeMemAllocShared = 0 \---> zeMemFree = 1
  //
  // clang-format on
-
- fprintf(stderr, "Check balance of create/destroy calls\n");
- fprintf(stderr,
-  "----------------------------------------------------------\n");
+ // TODO: use logger to print this messages
+ std::cerr << "Check balance of create/destroy calls\n";
+ std::cerr << "----------------------------------------------------------\n";
+ std::stringstream ss;
  for (const auto &Row : CreateDestroySet) {
  int diff = 0;
  for (auto I = Row.begin(); I != Row.end();) {
@@ -171,23 +198,30 @@ ur_result_t adapterStateTeardown() {
  bool Last = (++I == Row.end());
 
  if (Last) {
- fprintf(stderr, " \\--->");
+ ss << " \\--->";
  diff -= ZeCount;
  } else {
  diff += ZeCount;
  if (!First) {
- fprintf(stderr, " | \n");
+ ss << " | ";
+ std::cerr << ss.str() << "\n";
+ ss.str("");
+ ss.clear();
  }
  }
-
- fprintf(stderr, "%30s = %-5d", ZeName, ZeCount);
+ ss << std::setw(30) << std::right << ZeName;
+ ss << " = ";
+ ss << std::setw(5) << std::left << ZeCount;
  }
 
  if (diff) {
  LeakFound = true;
- fprintf(stderr, " ---> LEAK = %d", diff);
+ ss << " ---> LEAK = " << diff;
  }
- fprintf(stderr, "\n");
+
+ std::cerr << ss.str() << '\n';
+ ss.str("");
+ ss.clear();
  }
 
  ZeCallCount->clear();

source/adapters/level_zero/adapter.hpp

@@ -8,6 +8,7 @@
 //
 //===----------------------------------------------------------------------===//
 
+#include "logger/ur_logger.hpp"
 #include <atomic>
 #include <mutex>
 #include <optional>
@@ -16,13 +17,16 @@
 
 using PlatformVec = std::vector<std::unique_ptr<ur_platform_handle_t_>>;
 
+class ur_legacy_sink;
+
 struct ur_adapter_handle_t_ {
  ur_adapter_handle_t_();
  std::atomic<uint32_t> RefCount = 0;
  std::mutex Mutex;
 
  std::optional<ze_result_t> ZeResult;
  ZeCache<Result<PlatformVec>> PlatformCache;
+ logger::Logger &logger;
 };
 
 extern ur_adapter_handle_t_ *GlobalAdapter;

source/adapters/level_zero/command_buffer.cpp

@@ -8,6 +8,7 @@
 //
 //===----------------------------------------------------------------------===//
 #include "command_buffer.hpp"
+#include "logger/ur_logger.hpp"
 #include "ur_level_zero.hpp"
 
 /* L0 Command-buffer Extension Doc see:
@@ -140,16 +141,16 @@ ur_result_t calculateKernelWorkDimensions(
  while (GlobalWorkSize3D[I] % GroupSize[I]) {
  --GroupSize[I];
  }
- if (GlobalWorkSize3D[I] / GroupSize[I] > UINT32_MAX) {
- urPrint("calculateKernelWorkDimensions: can't find a WG size "
- "suitable for global work size > UINT32_MAX\n");
+ if (GlobalWorkSize[I] / GroupSize[I] > UINT32_MAX) {
+ logger::debug("calculateKernelWorkDimensions: can't find a WG size "
+  "suitable for global work size > UINT32_MAX");
  return UR_RESULT_ERROR_INVALID_WORK_GROUP_SIZE;
  }
  WG[I] = GroupSize[I];
  }
- urPrint("calculateKernelWorkDimensions: using computed WG size = {%d, "
- "%d, %d}\n",
- WG[0], WG[1], WG[2]);
+ logger::debug("calculateKernelWorkDimensions: using computed WG "
+  "size = {{{}, {}, {}}}",
+  WG[0], WG[1], WG[2]);
  }
  }
 
@@ -177,30 +178,27 @@ ur_result_t calculateKernelWorkDimensions(
  break;
 
  default:
- urPrint("calculateKernelWorkDimensions: unsupported work_dim\n");
+ logger::error("calculateKernelWorkDimensions: unsupported work_dim");
  return UR_RESULT_ERROR_INVALID_VALUE;
  }
 
  // Error handling for non-uniform group size case
  if (GlobalWorkSize3D[0] !=
  size_t(ZeThreadGroupDimensions.groupCountX) * WG[0]) {
- urPrint("calculateKernelWorkDimensions: invalid work_dim. The range "
- "is not a "
- "multiple of the group size in the 1st dimension\n");
+ logger::error("calculateKernelWorkDimensions: invalid work_dim. The range "
+ "is not a multiple of the group size in the 1st dimension");
  return UR_RESULT_ERROR_INVALID_WORK_GROUP_SIZE;
  }
  if (GlobalWorkSize3D[1] !=
  size_t(ZeThreadGroupDimensions.groupCountY) * WG[1]) {
- urPrint("calculateKernelWorkDimensions: invalid work_dim. The range "
- "is not a "
- "multiple of the group size in the 2nd dimension\n");
+ logger::error("calculateKernelWorkDimensions: invalid work_dim. The range "
+ "is not a multiple of the group size in the 2nd dimension");
  return UR_RESULT_ERROR_INVALID_WORK_GROUP_SIZE;
  }
  if (GlobalWorkSize3D[2] !=
  size_t(ZeThreadGroupDimensions.groupCountZ) * WG[2]) {
- urPrint("calculateKernelWorkDimensions: invalid work_dim. The range "
- "is not a "
- "multiple of the group size in the 3rd dimension\n");
+ logger::error("calculateKernelWorkDimensions: invalid work_dim. The range "
+ "is not a multiple of the group size in the 3rd dimension");
  return UR_RESULT_ERROR_INVALID_WORK_GROUP_SIZE;
  }
 
@@ -268,9 +266,9 @@ static ur_result_t enqueueCommandBufferMemCopyHelper(
  (CommandBuffer->ZeCommandList, Dst, Src, Size,
  LaunchEvent->ZeEvent, ZeEventList.size(), ZeEventList.data()));
 
- urPrint("calling zeCommandListAppendMemoryCopy() with"
- " ZeEvent %#" PRIxPTR "\n",
- ur_cast<std::uintptr_t>(LaunchEvent->ZeEvent));
+ logger::debug("calling zeCommandListAppendMemoryCopy() with"
+  " ZeEvent {}",
+  ur_cast<std::uintptr_t>(LaunchEvent->ZeEvent));
 
  return UR_RESULT_SUCCESS;
 }
@@ -335,9 +333,9 @@ static ur_result_t enqueueCommandBufferMemCopyRectHelper(
  DstSlicePitch, Src, &ZeSrcRegion, SrcPitch, SrcSlicePitch,
  LaunchEvent->ZeEvent, ZeEventList.size(), ZeEventList.data()));
 
- urPrint("calling zeCommandListAppendMemoryCopyRegion() with"
- " ZeEvent %#" PRIxPTR "\n",
- ur_cast<std::uintptr_t>(LaunchEvent->ZeEvent));
+ logger::debug("calling zeCommandListAppendMemoryCopyRegion() with"
+  " ZeEvent {}",
+  ur_cast<std::uintptr_t>(LaunchEvent->ZeEvent));
 
  return UR_RESULT_SUCCESS;
 }
@@ -378,9 +376,9 @@ static ur_result_t enqueueCommandBufferFillHelper(
  (CommandBuffer->ZeCommandList, Ptr, Pattern, PatternSize, Size,
  LaunchEvent->ZeEvent, ZeEventList.size(), ZeEventList.data()));
 
- urPrint("calling zeCommandListAppendMemoryFill() with"
- " ZeEvent %#lx\n",
- ur_cast<std::uintptr_t>(LaunchEvent->ZeEvent));
+ logger::debug("calling zeCommandListAppendMemoryFill() with"
+  " ZeEvent {}",
+  ur_cast<std::uintptr_t>(LaunchEvent->ZeEvent));
 
  return UR_RESULT_SUCCESS;
 }
@@ -519,7 +517,7 @@ UR_APIEXPORT ur_result_t UR_APICALL urCommandBufferAppendKernelLaunchExp(
  if (GlobalWorkOffset != NULL) {
  if (!CommandBuffer->Context->getPlatform()
  ->ZeDriverGlobalOffsetExtensionFound) {
- urPrint("No global offset extension found on this driver\n");
+ logger::debug("No global offset extension found on this driver");
  return UR_RESULT_ERROR_INVALID_VALUE;
  }
 
@@ -606,9 +604,9 @@ UR_APIEXPORT ur_result_t UR_APICALL urCommandBufferAppendKernelLaunchExp(
  &ZeThreadGroupDimensions, LaunchEvent->ZeEvent,
  ZeEventList.size(), ZeEventList.data()));
 
- urPrint("calling zeCommandListAppendLaunchKernel() with"
- " ZeEvent %#" PRIxPTR "\n",
- ur_cast<std::uintptr_t>(LaunchEvent->ZeEvent));
+ logger::debug("calling zeCommandListAppendLaunchKernel() with"
+  " ZeEvent {}",
+  ur_cast<std::uintptr_t>(LaunchEvent->ZeEvent));
 
  return UR_RESULT_SUCCESS;
 }
@@ -1068,7 +1066,7 @@ UR_APIEXPORT ur_result_t UR_APICALL urCommandBufferUpdateKernelLaunchExp(
  if (NewGlobalWorkOffset && Dim > 0) {
  if (!CommandBuffer->Context->getPlatform()
  ->ZeDriverGlobalOffsetExtensionFound) {
- urPrint("No global offset extension found on this driver\n");
+ logger::error("No global offset extension found on this driver");
  return UR_RESULT_ERROR_INVALID_VALUE;
  }
  auto MutableGroupOffestDesc =
@@ -1277,8 +1275,8 @@ UR_APIEXPORT ur_result_t UR_APICALL urCommandBufferUpdateKernelLaunchExp(
  // Zero.
  continue;
  } else {
- urPrint("urCommandBufferUpdateKernelLaunchExp: unsupported name of "
- "execution attribute.\n");
+ logger::error("urCommandBufferUpdateKernelLaunchExp: unsupported name of "
+  "execution attribute.");
  return UR_RESULT_ERROR_INVALID_VALUE;
  }
  }

source/adapters/level_zero/common.cpp

@@ -9,6 +9,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "common.hpp"
+#include "logger/ur_logger.hpp"
 #include "usm.hpp"
 
 ur_result_t ze2urResult(ze_result_t ZeResult) {
@@ -65,15 +66,6 @@ ur_result_t ze2urResult(ze_result_t ZeResult) {
  }
 }
 
-void urPrint(const char *Format, ...) {
- if (UrL0Debug & UR_L0_DEBUG_BASIC) {
- va_list Args;
- va_start(Args, Format);
- vfprintf(stderr, Format, Args);
- va_end(Args);
- }
-}
-
 usm::DisjointPoolAllConfigs DisjointPoolConfigInstance =
  InitializeDisjointPoolConfig();
 
@@ -86,8 +78,8 @@ bool setEnvVar(const char *name, const char *value) {
  int Res = setenv(name, value, 1);
 #endif
  if (Res != 0) {
- urPrint("UR L0 Adapter was unable to set the environment variable: %s\n",
-   name);
+ logger::debug(
+ "UR L0 Adapter was unable to set the environment variable: {}", name);
  return false;
  }
  return true;
@@ -149,7 +141,7 @@ inline void zeParseError(ze_result_t ZeError, const char *&ErrorString) {
 
 ze_result_t ZeCall::doCall(ze_result_t ZeResult, const char *ZeName,
  const char *ZeArgs, bool TraceError) {
- urPrint("ZE ---> %s%s\n", ZeName, ZeArgs);
+ logger::debug("ZE ---> {}{}", ZeName, ZeArgs);
 
  if (UrL0LeaksDebug) {
  ++(*ZeCallCount)[ZeName];
@@ -158,7 +150,7 @@ ze_result_t ZeCall::doCall(ze_result_t ZeResult, const char *ZeName,
  if (ZeResult && TraceError) {
  const char *ErrorString = "Unknown";
  zeParseError(ZeResult, ErrorString);
- urPrint("Error (%s) in %s\n", ErrorString, ZeName);
+ logger::error("Error ({}) in {}", ErrorString, ZeName);
  }
  return ZeResult;
 }

source/adapters/level_zero/common.hpp

@@ -174,10 +174,10 @@ static auto getUrResultString = [](ur_result_t Result) {
 #define UR_CALL(Call) \
  { \
  if (PrintTrace) \
- fprintf(stderr, "UR ---> %s\n", #Call); \
+ logger::always("UR ---> {}", #Call);  \
  ur_result_t Result = (Call); \
  if (PrintTrace) \
- fprintf(stderr, "UR <--- %s(%s)\n", #Call, getUrResultString(Result)); \
+ logger::always("UR <--- {}({})", #Call, getUrResultString(Result));  \
  if (Result != UR_RESULT_SUCCESS) \
  return Result; \
  }
@@ -268,9 +268,6 @@ class ZeCall {
 // setting environment variables.
 bool setEnvVar(const char *name, const char *value);
 
-// Prints to stderr if UR_L0_DEBUG allows it
-void urPrint(const char *Format, ...);
-
 // Helper for one-liner validation
 #define UR_ASSERT(condition, error) \
  if (!(condition)) \
@@ -301,9 +298,6 @@ template <class T> struct ZesStruct : public T {
 // setting environment variables.
 bool setEnvVar(const char *name, const char *value);
 
-// Prints to stderr if UR_L0_DEBUG allows it
-void urPrint(const char *Format, ...);
-
 // Helper for one-liner validation
 #define UR_ASSERT(condition, error) \
  if (!(condition)) \