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86 lines
4.3 KiB
86 lines
4.3 KiB
4 months ago
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//===-- tsan_flags.inc ------------------------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// TSan runtime flags.
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//
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//===----------------------------------------------------------------------===//
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#ifndef TSAN_FLAG
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# error "Define TSAN_FLAG prior to including this file!"
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#endif
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// TSAN_FLAG(Type, Name, DefaultValue, Description)
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// See COMMON_FLAG in sanitizer_flags.inc for more details.
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TSAN_FLAG(bool, enable_annotations, true,
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"Enable dynamic annotations, otherwise they are no-ops.")
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// Suppress a race report if we've already output another race report
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// with the same stack.
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TSAN_FLAG(bool, suppress_equal_stacks, true,
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"Suppress a race report if we've already output another race report "
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"with the same stack.")
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TSAN_FLAG(bool, suppress_equal_addresses, true,
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"Suppress a race report if we've already output another race report "
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"on the same address.")
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TSAN_FLAG(bool, report_bugs, true,
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"Turns off bug reporting entirely (useful for benchmarking).")
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TSAN_FLAG(bool, report_thread_leaks, true, "Report thread leaks at exit?")
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TSAN_FLAG(bool, report_destroy_locked, true,
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"Report destruction of a locked mutex?")
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TSAN_FLAG(bool, report_mutex_bugs, true,
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"Report incorrect usages of mutexes and mutex annotations?")
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TSAN_FLAG(bool, report_signal_unsafe, true,
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"Report violations of async signal-safety "
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"(e.g. malloc() call from a signal handler).")
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TSAN_FLAG(bool, report_atomic_races, true,
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"Report races between atomic and plain memory accesses.")
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TSAN_FLAG(
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bool, force_seq_cst_atomics, false,
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"If set, all atomics are effectively sequentially consistent (seq_cst), "
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"regardless of what user actually specified.")
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TSAN_FLAG(bool, print_benign, false, "Print matched \"benign\" races at exit.")
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TSAN_FLAG(bool, halt_on_error, false, "Exit after first reported error.")
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TSAN_FLAG(int, atexit_sleep_ms, 1000,
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"Sleep in main thread before exiting for that many ms "
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"(useful to catch \"at exit\" races).")
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TSAN_FLAG(const char *, profile_memory, "",
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"If set, periodically write memory profile to that file.")
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TSAN_FLAG(int, flush_memory_ms, 0, "Flush shadow memory every X ms.")
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TSAN_FLAG(int, flush_symbolizer_ms, 5000, "Flush symbolizer caches every X ms.")
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TSAN_FLAG(
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int, memory_limit_mb, 0,
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"Resident memory limit in MB to aim at."
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"If the process consumes more memory, then TSan will flush shadow memory.")
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TSAN_FLAG(bool, stop_on_start, false,
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"Stops on start until __tsan_resume() is called (for debugging).")
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TSAN_FLAG(bool, running_on_valgrind, false,
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"Controls whether RunningOnValgrind() returns true or false.")
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// There are a lot of goroutines in Go, so we use smaller history.
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TSAN_FLAG(
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int, history_size, SANITIZER_GO ? 1 : 3,
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"Per-thread history size, controls how many previous memory accesses "
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"are remembered per thread. Possible values are [0..7]. "
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"history_size=0 amounts to 32K memory accesses. Each next value doubles "
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"the amount of memory accesses, up to history_size=7 that amounts to "
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"4M memory accesses. The default value is 2 (128K memory accesses).")
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TSAN_FLAG(int, io_sync, 1,
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"Controls level of synchronization implied by IO operations. "
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"0 - no synchronization "
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"1 - reasonable level of synchronization (write->read)"
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"2 - global synchronization of all IO operations.")
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TSAN_FLAG(bool, die_after_fork, true,
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"Die after multi-threaded fork if the child creates new threads.")
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TSAN_FLAG(const char *, suppressions, "", "Suppressions file name.")
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TSAN_FLAG(bool, ignore_interceptors_accesses, SANITIZER_MAC ? true : false,
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"Ignore reads and writes from all interceptors.")
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TSAN_FLAG(bool, ignore_noninstrumented_modules, SANITIZER_MAC ? true : false,
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"Interceptors should only detect races when called from instrumented "
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"modules.")
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TSAN_FLAG(bool, shared_ptr_interceptor, true,
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"Track atomic reference counting in libc++ shared_ptr and weak_ptr.")
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