1 //===-- xray_fdr_flags.inc --------------------------------------*- C++ -*-===//
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //===----------------------------------------------------------------------===//
9 // XRay FDR Mode runtime flags.
11 //===----------------------------------------------------------------------===//
13 #error "Define XRAY_FLAG prior to including this file!"
16 // FDR (Flight Data Recorder) Mode logging options.
17 XRAY_FLAG(int, func_duration_threshold_us, 5,
18 "FDR logging will try to skip functions that execute for fewer "
19 "microseconds than this threshold.")
20 XRAY_FLAG(int, grace_period_ms, 100,
21 "FDR logging will wait this much time in milliseconds before "
22 "actually flushing the log; this gives a chance for threads to "
23 "notice that the log has been finalized and clean up.")
24 XRAY_FLAG(int, buffer_size, 16384,
25 "Size of buffers in the circular buffer queue.")
26 XRAY_FLAG(int, buffer_max, 100, "Maximum number of buffers in the queue.")
27 XRAY_FLAG(bool, no_file_flush, false,
28 "Set to true to not write log files by default.")