Searched full:overhead (Results 1 – 25 of 182) sorted by relevance
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| /Documentation/virt/ |
| D | paravirt_ops.rst | 25 known that the overhead of indirect call isn't very important.
29 are called frequently and are performance critical. The overhead is
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| /Documentation/usb/ |
| D | ohci.rst | 20 - improved robustness; bugfixes; and less overhead
30 to overhead in IRQ processing. When interrupt transfers are queued, those
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| /Documentation/driver-api/mmc/ |
| D | mmc-async-req.rst | 8 How significant is the cache maintenance overhead?
11 pre-fetch makes the cache overhead relatively significant. If the DMA
13 transfer, the DMA preparation overhead would not affect the MMC performance.
75 Pseudocode to handle is_first_req scenario with minimal prepare overhead::
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| /Documentation/filesystems/ext4/ |
| D | bigalloc.rst | 11 blocks to reduce both fragmentation and metadata overhead. The
23 also shrinking the amount of file system overhead for metadata.
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| D | about.rst | 26 reduce bookkeeping overhead and to increase throughput by forcing larger
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| /Documentation/mm/damon/ |
| D | index.rst | 13 - *light-weight* (the monitoring overhead is low enough to be applied online),
15 - *scalable* (the upper-bound of the overhead is in constant range regardless
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| D | design.rst | 32 overhead/accuracy control and access-aware system operations on top of the
57 monitoring accruracy and the overhead.
99 mapping is not strictly required but could even incur a high overhead in some
182 The monitoring overhead of this mechanism will arbitrarily increase as the
191 To avoid the unbounded increase of the overhead, DAMON groups adjacent pages
198 called ``nr_accesses`` of the region. Therefore, the monitoring overhead is
228 In this way, DAMON provides its best-effort quality and minimal overhead while
385 DAMOS upper-bound overhead control feature. DAMOS could incur high overhead if
393 To mitigate that situation, DAMOS provides an upper-bound overhead control
486 checks the watermarks and therefore incurs nearly zero overhead.
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| /Documentation/scheduler/ |
| D | sched-debug.rst | 13 balancing feature. If the system overhead from the feature is too
35 Higher scan rates incur higher system overhead as page faults must be
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| /Documentation/netlabel/ |
| D | lsm_interface.rst | 46 sidestep much of this overhead once a mapping has been established. Once the
53 bypassed as well which should result in a significant reduction in overhead.
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| /Documentation/networking/device_drivers/ethernet/microsoft/ |
| D | netvsc.rst | 60 processing overhead by coalescing multiple TCP segments when possible. The
96 from the SKB. This attempts to achieve a balance between the overhead of
104 for packet processing, reducing the overhead of SKB allocation and other
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| /Documentation/translations/zh_CN/ |
| D | glossary.rst | 31 * overhead: 开销，一般指需要消耗的计算机资源。
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| /Documentation/admin-guide/mm/damon/ |
| D | lru_sort.rst | 15 As page-granularity access checking overhead could be significant on huge
24 inducing only user-specified range of overhead, proactively running
26 pattern source with low and controlled overhead.
183 But, setting this too high could result in increased monitoring overhead.
193 monitoring. This can be used to set upper-bound of the monitoring overhead.
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| /Documentation/trace/rv/ |
| D | runtime-verification.rst | 92 Another important aspect regarding monitors is the overhead associated with the
96 on higher overhead than the simple handling of an event by a monitor, then a
97 *synchronous online* monitors will incur on lower overhead.
107 events in-kernel causes lower overhead than saving the same events to the trace
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| /Documentation/mm/ |
| D | allocation-profiling.rst | 7 Low overhead (suitable for production) accounting of all memory allocations,
23 When set to "never", memory allocation profiling overhead is minimized and it
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| D | balance.rst | 13 overhead of page reclaim. This may happen for opportunistic high-order
30 of incurring the overhead of regular zone balancing.
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| /Documentation/devicetree/bindings/iommu/ |
| D | pkvm,pviommu.yaml | 14 it without complexity and with lower performance overhead.
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| /Documentation/trace/ |
| D | kprobes.rst | 16 6. Probe Overhead
175 sysctl(8)), Kprobes tries to reduce probe-hit overhead by using a jump
640 Probe Overhead
649 the entry to that function adds essentially no overhead.
651 Here are sample overhead figures (in usec) for different architectures::
665 Optimized Probe Overhead
669 process. Here are sample overhead figures (in usec) for x86 architectures::
709 trace-event is a low-overhead (and almost no visible overhead if it
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| D | tracepoint-analysis.rst | 236 period is quite high to minimise overhead but the information collected can be
246 # Overhead Command Shared Object
281 # Overhead Command Shared Object
299 # Overhead Command Shared Object Symbol
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| /Documentation/RCU/ |
| D | whatisRCU.rst | 133 but RCU provides implicit low-overhead communication between readers
230 synchronize_rcu()'s overhead must also be quite small.
313 unnecessary overhead on Alpha CPUs.
392 order to amortize their overhead over many uses of the corresponding APIs.
651 familiar locking primitives. Its overhead makes it a non-starter for
749 read-side overhead is precisely zero, at least on non-Alpha CPUs.
777 overhead is **negative**.
1263 overhead is **negative**.
1276 One can argue that the overhead of RCU in this
1279 the overhead of RCU is merely zero, and that replacing
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| /Documentation/devicetree/bindings/power/ |
| D | domain-idle-state.yaml | 45 state will yield power benefits, after overcoming the overhead while
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| /Documentation/networking/ |
| D | batman-adv.rst | 16 Batman advanced was implemented as a Linux kernel driver to reduce the overhead
73 will also increase the overhead.
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| /Documentation/driver-api/md/ |
| D | raid5-cache.rst | 56 overhead too. Write-back cache will aggregate the data and flush the data to
58 completely avoid the overhead, so it's very helpful for some workloads. A
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| /Documentation/accel/qaic/ |
| D | qaic.rst | 25 for long, and will crash due to some form of watchdog due to the overhead of
136 sent to the device to minimize data transfer overhead. This IOCTL dynamically
137 recomputes the slicing, and therefore has some processing overhead before the
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| /Documentation/dev-tools/ |
| D | kcsan.rst | 334 1. **Memory Overhead:** The overall memory overhead is only a few MiB
338 2. **Performance Overhead:** KCSAN's runtime aims to be minimal, using an
343 - 2.8x slow-down from runtime fast-path overhead only (set very large
376 corresponds to 4 pages of shadow memory, and can translate into overhead of
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| /Documentation/scsi/ |
| D | advansys.rst | 77 problems. Enabling assertions will add a small overhead to the
85 of the driver execution image and add overhead to the execution of
153 size of the driver execution image and add minor overhead to
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