Dean Michael Berris a2a0e1f353 [XRay][compiler-rt] Support in-memory processing of FDR mode logs
Summary:
This change allows for handling the in-memory data associated with the
FDR mode implementation through the new `__xray_log_process_buffers`
API. With this change, we can now allow users to process the data
in-memory of the process instead of through writing files.

This for example allows users to stream the data of the FDR logging
implementation through network sockets, or through other mechanisms
instead of saving them to local files.

We introduce an FDR-specific flag, for "no_file_flush" which lets the
flushing logic skip opening/writing to files.

This option can be defaulted to `true` when building the compiler-rt
XRay runtime through the `XRAY_FDR_OPTIONS` preprocessor macro.

Reviewers: kpw, echristo, pelikan, eizan

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D46574

llvm-svn: 332208
2018-05-14 03:35:01 +00:00
2018-05-13 19:04:17 +00:00

Low Level Virtual Machine (LLVM)

This directory and its subdirectories contain source code for LLVM, a toolkit for the construction of highly optimized compilers, optimizers, and runtime environments.

Description
llvm with tablegen backend for capstone disassembler
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