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/freebsd/contrib/llvm-project/clang/lib/Headers/
H A Draointintrin.h23 /// This intrinsic should be used for contention or weak ordering. It may
45 /// This intrinsic should be used for contention or weak ordering. It may
67 /// This intrinsic should be used for contention or weak ordering. It may
89 /// This intrinsic should be used for contention or weak ordering. It may
112 /// This intrinsic should be used for contention or weak ordering. It may
135 /// This intrinsic should be used for contention or weak ordering. It may
158 /// This intrinsic should be used for contention or weak ordering. It may
181 /// This intrinsic should be used for contention or weak ordering. It may
/freebsd/contrib/llvm-project/libcxx/src/
H A Datomic.cpp135 /* Given an atomic to track contention and an atomic to actually wait on, which may be
136 the same atomic, we try to detect contention to avoid spuriously calling the platform. */
142 // We only call 'wake' if we consumed a contention bit here. in __libcpp_contention_notify()
189 table for the contention detection, but we can use the atomic directly for the wait. */
/freebsd/share/man/man9/
H A DLOCK_PROFILING.942 contention statistics.
179 lock contention when run with
185 will lead to much higher lock hold times and contention in profiling output.
H A DBUS_SETUP_INTR.9173 contention and increase performance.
183 In addition, one should minimize lock contention in an ithread routine
H A Dprng.954 avoid shared global state, removing unnecessary contention on SMP
/freebsd/contrib/jemalloc/
H A DTUNING.md51 By default jemalloc uses multiple arenas to reduce internal lock contention.
106 managing locality and contention for specific usages. For example,
129 may reduce contention at the allocator level.
/freebsd/crypto/openssl/test/
H A Dthreadstest.c108 static int contention = 0; variable
129 if (contention == 0) in rwwriter_fn()
291 contention = 0; in torture_rw_low()
297 contention = 1; in torture_rw_high()
329 if (contention == 0) in writer_fn()
336 if (contention == 0) in writer_fn()
339 if (contention != 0) { in writer_fn()
444 rcu_lock = ossl_rcu_lock_new(contention == 2 ? 4 : 1, NULL); in _torture_rcu()
492 contention = 0; in torture_rcu_low()
498 contention = 1; in torture_rcu_high()
[all …]
/freebsd/share/doc/papers/diskperf/
H A Dresults.ms99 it causes more memory contention with the CPU.
100 We do not know if this contention is caused by
280 the higher bandwidth from the disk generated more memory contention,
H A Dmethodology.ms102 as it may change the characteristics of the memory contention
/freebsd/contrib/llvm-project/lldb/source/Plugins/Trace/intel-pt/
H A DPerfContextSwitchDecoder.h27 /// of these endpoints might be guessed or not known at all, due to contention
98 /// The following 'hinted' structures are useful when there are contention
/freebsd/sys/contrib/ck/include/
H A Dck_brlock.h31 * Big reader spinlocks provide cache-local contention-free read
81 * there is no point to more advanced contention avoidance. in ck_brlock_write_lock()
/freebsd/lib/libpmc/pmu-events/arch/arm64/arm/cortex-a510/
H A Dpipeline.json93 …VPU hazard. This event counts every cycle where the core stalls due to contention for the VPU with…
96 …VPU hazard. This event counts every cycle where the core stalls due to contention for the VPU with…
/freebsd/share/man/man4/
H A Diflib.472 queues and prevents lock contention for transmit resources.
74 resource contention is not a problem (well behaved applications on
/freebsd/cddl/contrib/opensolaris/cmd/lockstat/
H A Dlockstat.155 monitors all lock contention events, gathers frequency and timing data about
105 Watch contention events.
251 .It Example 1 Measuring Kernel Lock Contention
/freebsd/contrib/llvm-project/libcxx/include/__atomic/
H A Datomic_sync.h101 …// In case the contention type happens to be __cxx_atomic_contention_t, i.e. __cxx_atomic_impl<int…
114 …// In case the contention type is anything else, platform wait is monitoring a __cxx_atomic_conten…
H A Daliases.h83 // C++20 atomic_{signed,unsigned}_lock_free: prefer the contention type most highly, then the large…
/freebsd/share/man/man3/
H A Dpthread.3173 Get the contention scope attribute from a thread attributes object.
215 Set the contention scope attribute in a thread attributes object.
/freebsd/sys/contrib/openzfs/module/zfs/
H A Daggsum.c25 * instructions on a single field cause enough CPU cache line contention to
41 * help minimize lock and cache contention). If the bucket already has
/freebsd/contrib/llvm-project/compiler-rt/lib/scudo/standalone/
H A Dflags.inc21 "the contention on the global quarantine.")
/freebsd/sys/fs/nfsserver/
H A Dnfs_fha_new.h67 * avoid contention between threads over single files.
/freebsd/sys/contrib/openzfs/include/sys/
H A Dmultilist.h49 * contention.
H A Ddnode.h498 * to retry acquiring slot zrl locks due to contention.
532 * to retry acquiring slot zrl locks due to contention.
547 * acquiring a slot zrl lock due to contention.
/freebsd/lib/libsys/
H A D_umtx_op.293 The highest bit set indicates that there is contention on the lock.
99 The contention indicator.
608 contention indicator, and provides the acquire barrier for
1044 argument indicates unowned mutex, which has its contention indicator bit
/freebsd/contrib/ofed/librdmacm/
H A Dcma.h51 * Fast synchronization for low contention locking.
/freebsd/contrib/jemalloc/include/jemalloc/internal/
H A Dmutex_prof.h88 * contention. We update them once we have the lock.

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