Searched full:contention (Results 1 – 25 of 245) sorted by relevance
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1 # futex contention11 # Measures futex contention23 max_waits = {} # Details about a maximum contention like owner, owner chain71 # Gather stats about the contention (sum, min, max)75 # Track details about the maximum contention seen104 print"Max contention info not available"113 …print "Owner %s caused this contention of %d ns. Owner's Call stack below:" % (waker_name, max_wai…
2 # description: futext contention measurement4 perf script $@ -s "$PERF_EXEC_PATH"/scripts/python/android-futex-contention.py
1 # futex contention11 # Measures futex contention
32 * to reduce cache contention on most processors. Padding is41 * them until they are needed. When there is no contention, all42 * updates are made to the base field. Upon first contention (a44 * The table size is doubled upon further contention until53 * retries, there is increased contention and reduced locality,57 * Contention and/or table collisions are indicated by failed76 * observed contention rates are typically low in these cases.83 * contention levels will recur, so the cells will eventually be133 * Base value, used mainly when there is no contention, but also as176 * creating new Cells, and/or contention. See above for
26 * contention. Method {@link #sum} (or, equivalently, {@link33 * control. Under low update contention, the two classes have similar34 * characteristics. But under high contention, expected throughput of
56 For threads with system scheduling contention scope, this function shall60 For threads with process scheduling contention scope, the threads'64 The underlying kernel-scheduled entities for the system contention scope68 The underlying kernel-scheduled entities for the process contention scope100 Kernel-scheduled entities for use by process contention scope threads that
11 * contention scope threads have their scheduling policy changed to the48 printf("Process contention scope threads are not supported.\n"); in main()
11 * contention scope threads that are created after this call completes inherit64 printf("Process contention scope threads are not supported.\n"); in main()
11 * contention scope threads that are created after this call completes inherit63 printf("Process contention scope threads are not supported.\n"); in main()
11 * contention scope threads have their scheduling parameters changed to the54 printf("Process contention scope threads are not supported.\n"); in main()
77 …For threads with system scheduling contention scope, this function shall have no effect on their s…80 …For threads with process scheduling contention scope, the threads' scheduling policy and associate…83 …The underlying kernel-scheduled entities for the system contention scope threads shall not be affe…86 The underlying kernel-scheduled entities for the process contention scope91 Kernel-scheduled entities for use by process contention scope threads that
11 * contention scope threads that are created after this call completes inherit58 printf("Process contention scope threads are not supported.\n"); in main()
4 …TEM, signifying system scheduling contention scope, or PTHREAD_SCOPE_PROCESS, signifying process s…
152 otherwise the behavior is undefined, but may exhibit less contention.181 otherwise the behavior is undefined, but may exhibit less contention.213 otherwise the behavior is undefined, but may exhibit less contention.290 otherwise the behavior is undefined, but may exhibit less contention.353 but may exhibit less contention.404 otherwise the behavior is undefined, but may exhibit less contention.468 otherwise the behavior is undefined, but may exhibit less contention.522 otherwise the behavior is undefined, but may exhibit less contention.586 but may exhibit less contention.638 exhibit less contention.[all …]
6 …TEM, signifying system scheduling contention scope, or PTHREAD_SCOPE_PROCESS, signifying process s…
51 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.
50 * that contention is unlikely so that gcc will put the contention code out of
29 /* Number of mutexes to allocate for events, to avoid lock contention.33 /* Events are partitioned by address to avoid lock contention. */
199 u64 Contention() const { in Contention() function in __tsan::Backoff241 StatInc(cur_thread(), stat_type_, backoff.Contention()); in Lock()269 StatInc(cur_thread(), stat_type_, backoff.Contention()); in ReadLock()
4 - patch perf with the new futex contention script
25 otherwise the behavior is undefined, but may exhibit less contention.
31 otherwise the behavior is undefined, but may exhibit less contention.
26 otherwise the behavior is undefined, but may exhibit less contention.