[#llvm-timeTraceProfilerWrite-04]
= xref:llvm.adoc[llvm]::timeTraceProfilerWrite
:relfileprefix: ../
:mrdocs:

`timeTraceProfilerWrite` overloads

== Synopses

Declared in `<llvm/Support/TimeProfiler.h>`

Write profiling data to an output stream.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
xref:llvm/timeTraceProfilerWrite-09.adoc[timeTraceProfilerWrite](xref:llvm/raw_pwrite_stream.adoc[raw_pwrite_stream]& OS);
----

[.small]#xref:llvm/timeTraceProfilerWrite-09.adoc[_» more..._]#

Write profiling data to a file.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:llvm/Error.adoc[Error]
xref:llvm/timeTraceProfilerWrite-08.adoc[timeTraceProfilerWrite](
    xref:llvm/StringRef.adoc[StringRef] PreferredFileName,
    xref:llvm/StringRef.adoc[StringRef] FallbackFileName);
----

[.small]#xref:llvm/timeTraceProfilerWrite-08.adoc[_» more..._]#

== Return Value

Success, or a StringError if the output file could not be opened.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *OS*
| Stream that receives the Chrome Trace Event JSON.
| *PreferredFileName*
| Output path to use when non‐empty.
| *FallbackFileName*
| Path used when `PreferredFileName` is empty.
|===


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