Merge max-next into next #1449
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Merge max-next into next #1449
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… apps.test.npackets an app that only sends n packets from input to output
* lib/ljsyscall/syscall/linux/syscalls.lua: More robustly create multi-word bitmasks. * src/lib/numa.lua: Remove facility for blacklisting kernel versions. Re-enable bind_to_numa_node generally.
This commit makes four changes:
(1) On the individual revision nodes in a schema, the revision date is
now stored under `date` instead of `value`.
(2) Schemas now have a `last_revision` property, indicating the date
of the most recent revision.
(3) This revision now gets serialized into compiled configurations.
(4) When loading compiled configurations, we check that the compiled
file's revision date corresponds to the what we are expecting.
Fixes snabbco#1208.
The file in question is too small for the minimum ethernet frame size; with the CRC it becomes 58 bytes, which is smaller than the minimum frame size of 64, so it gets padded as it goes out on the wire, which later gets rejected on the receiver as its lengths don't make sense. In any case it doesn't test what it means to test, so remove it.
Remove bogus lwaftr benchmarking file
Detect version mismatch when loading compiled YANG configurations
Re-enable NUMA memory binding on newer kernels
Fix PCI affinity check for --preferred NUMA binding
This patch extends the NUMA module to be able to run some self-checks when it is used to reserve a CPU for a data plane, for example checking the CPU frequency scaling governor or the set of isolated CPUs.
Add more system performance diagnostics
This patch will print a warning if a network function tries to bind to a CPU, but irqbalance is detected. Irqbalance, installed by default on Debian-derived systems, will modify CPU affinities for IRQ handlers in an effort to spread out the IRQ-processing load among CPUs. However this is not what we want in Snabb; we do not want data-plane CPUs to run IRQ handlers, and we do not want bug reports coming from users that have this daemon installed. See https://github.com/snabbco/snabb/blob/master/src/doc/performance-tuning.md#avoid-interrupts-on-data-plane-cpus, for more details.
Detect irqbalance presence and suggest remedy
Improve snabb lwaftr run --help
Plug various resource leaks in context of (re)configuration
…itor-per-queue timers.ingress_drop_monitor: use app:get_rxstats() (was app:rxdrop())
Release Snabb lwAFTR v2019.06.01
Fix release benchmarks to always specify CPU
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Includes #1442 #1448 #1446 #1444
Cc @lukego