Manually begin a time section with lazily computed metadata.
Synopsis
Declared in <llvm/Support/TimeProfiler.h>
TimeTraceProfilerEntry*
timeTraceProfilerBegin(
StringRef Name,
llvm::function_ref<TimeTraceMetadata()> MetaData);Return Value
Profiler entry for the begun section, or nullptr if tracing is off.
Parameters
Name |
Description |
Name |
Event name shown in the trace. |
MetaData |
Closure that produces file, line, and detail metadata; not called if tracing is disabled. |
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