xray_fdr_flags.inc revision 336817 
1//===-- xray_fdr_flags.inc --------------------------------------*- C++ -*-===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// XRay FDR Mode runtime flags.
11//
12//===----------------------------------------------------------------------===//
13#ifndef XRAY_FLAG
14#error "Define XRAY_FLAG prior to including this file!"
15#endif
16
17// FDR (Flight Data Recorder) Mode logging options.
18XRAY_FLAG(int, func_duration_threshold_us, 5,
19          "FDR logging will try to skip functions that execute for fewer "
20          "microseconds than this threshold.")
21XRAY_FLAG(int, grace_period_ms, 100,
22          "FDR logging will wait this much time in milliseconds before "
23          "actually flushing the log; this gives a chance for threads to "
24          "notice that the log has been finalized and clean up.")
25XRAY_FLAG(int, buffer_size, 16384,
26          "Size of buffers in the circular buffer queue.")
27XRAY_FLAG(int, buffer_max, 100, "Maximum number of buffers in the queue.")
28XRAY_FLAG(bool, no_file_flush, false,
29          "Set to true to not write log files by default.")
30