forked from OSchip/llvm-project
46 lines
2.1 KiB
C++
46 lines
2.1 KiB
C++
//===-- xray_flags.inc ------------------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// XRay runtime flags.
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//
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//===----------------------------------------------------------------------===//
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#ifndef XRAY_FLAG
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#error "Define XRAY_FLAG prior to including this file!"
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#endif
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XRAY_FLAG(bool, patch_premain, false,
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"Whether to patch instrumentation points before main.")
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XRAY_FLAG(const char *, xray_logfile_base, "xray-log.",
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"Filename base for the xray logfile.")
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// Basic (Naive) Mode logging options.
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XRAY_FLAG(bool, xray_naive_log, false,
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"Whether to install the naive log implementation.")
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XRAY_FLAG(int, xray_naive_log_func_duration_threshold_us, 5,
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"Naive logging will try to skip functions that execute for fewer "
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"microseconds than this threshold.")
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XRAY_FLAG(int, xray_naive_log_max_stack_depth, 64,
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"Naive logging will keep track of at most this deep a call stack, "
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"any more and the recordings will be droppped.")
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XRAY_FLAG(int, xray_naive_log_thread_buffer_size, 1024,
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"The number of entries to keep on a per-thread buffer.")
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// FDR (Flight Data Recorder) Mode logging options.
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XRAY_FLAG(bool, xray_fdr_log, false,
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"Whether to install the flight data recorder logging implementation.")
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XRAY_FLAG(int, xray_fdr_log_func_duration_threshold_us, 5,
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"FDR logging will try to skip functions that execute for fewer "
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"microseconds than this threshold.")
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XRAY_FLAG(int, xray_fdr_log_grace_period_us, 0,
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"DEPRECATED: use xray_fdr_log_grace_period_ms instead.")
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XRAY_FLAG(int, xray_fdr_log_grace_period_ms, 100,
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"FDR logging will wait this much time in microseconds before "
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"actually flushing the log; this gives a chance for threads to "
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"notice that the log has been finalized and clean up.")
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