1 //===-- tsan_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 // TSan runtime flags. 11 // 12 //===----------------------------------------------------------------------===// 13 #ifndef TSAN_FLAG 14 # error "Define TSAN_FLAG prior to including this file!" 15 #endif 16 17 // TSAN_FLAG(Type, Name, DefaultValue, Description) 18 // See COMMON_FLAG in sanitizer_flags.inc for more details. 19 20 TSAN_FLAG(bool, enable_annotations, true, 21 "Enable dynamic annotations, otherwise they are no-ops.") 22 // Suppress a race report if we've already output another race report 23 // with the same stack. 24 TSAN_FLAG(bool, suppress_equal_stacks, true, 25 "Suppress a race report if we've already output another race report " 26 "with the same stack.") 27 TSAN_FLAG(bool, suppress_equal_addresses, true, 28 "Suppress a race report if we've already output another race report " 29 "on the same address.") 30 31 TSAN_FLAG(bool, report_bugs, true, 32 "Turns off bug reporting entirely (useful for benchmarking).") 33 TSAN_FLAG(bool, report_thread_leaks, true, "Report thread leaks at exit?") 34 TSAN_FLAG(bool, report_destroy_locked, true, 35 "Report destruction of a locked mutex?") 36 TSAN_FLAG(bool, report_mutex_bugs, true, 37 "Report incorrect usages of mutexes and mutex annotations?") 38 TSAN_FLAG(bool, report_signal_unsafe, true, 39 "Report violations of async signal-safety " 40 "(e.g. malloc() call from a signal handler).") 41 TSAN_FLAG(bool, report_atomic_races, true, 42 "Report races between atomic and plain memory accesses.") 43 TSAN_FLAG( 44 bool, force_seq_cst_atomics, false, 45 "If set, all atomics are effectively sequentially consistent (seq_cst), " 46 "regardless of what user actually specified.") 47 TSAN_FLAG(bool, print_benign, false, "Print matched \"benign\" races at exit.") 48 TSAN_FLAG(bool, halt_on_error, false, "Exit after first reported error.") 49 TSAN_FLAG(int, atexit_sleep_ms, 1000, 50 "Sleep in main thread before exiting for that many ms " 51 "(useful to catch \"at exit\" races).") 52 TSAN_FLAG(const char *, profile_memory, "", 53 "If set, periodically write memory profile to that file.") 54 TSAN_FLAG(int, flush_memory_ms, 0, "Flush shadow memory every X ms.") 55 TSAN_FLAG(int, flush_symbolizer_ms, 5000, "Flush symbolizer caches every X ms.") 56 TSAN_FLAG( 57 int, memory_limit_mb, 0, 58 "Resident memory limit in MB to aim at." 59 "If the process consumes more memory, then TSan will flush shadow memory.") 60 TSAN_FLAG(bool, stop_on_start, false, 61 "Stops on start until __tsan_resume() is called (for debugging).") 62 TSAN_FLAG(bool, running_on_valgrind, false, 63 "Controls whether RunningOnValgrind() returns true or false.") 64 TSAN_FLAG( 65 int, history_size, kGoMode ? 1 : 3, // There are a lot of goroutines in Go. 66 "Per-thread history size, controls how many previous memory accesses " 67 "are remembered per thread. Possible values are [0..7]. " 68 "history_size=0 amounts to 32K memory accesses. Each next value doubles " 69 "the amount of memory accesses, up to history_size=7 that amounts to " 70 "4M memory accesses. The default value is 2 (128K memory accesses).") 71 TSAN_FLAG(int, io_sync, 1, 72 "Controls level of synchronization implied by IO operations. " 73 "0 - no synchronization " 74 "1 - reasonable level of synchronization (write->read)" 75 "2 - global synchronization of all IO operations.") 76 TSAN_FLAG(bool, die_after_fork, true, 77 "Die after multi-threaded fork if the child creates new threads.") 78 TSAN_FLAG(const char *, suppressions, "", "Suppressions file name.") 79 TSAN_FLAG(bool, ignore_interceptors_accesses, false, 80 "Ignore reads and writes from all interceptors.") 81 TSAN_FLAG(bool, shared_ptr_interceptor, true, 82 "Track atomic reference counting in libc++ shared_ptr and weak_ptr.") 83
