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authorDave Barach <dave@barachs.net>2020-04-09 17:24:07 -0400
committerFlorin Coras <florin.coras@gmail.com>2020-04-13 15:54:31 +0000
commitc74b43c80789f5e437dfe4cc491157b45a7f222e (patch)
tree0d149b8147d8225b5a872e709c6845476575fd1f /build-root/vagrant
parentc54162981cdd41d65ed283df36955007552ddffe (diff)
buffers: configurable buffer fault injector
When configured at compile time via the cmake VPP_BUFFER_FAULT_INJECTOR option, the buffer allocator will appear to fail a certain fraction of the time. By default, the allocator succeeds 80% of the time. Detailed command line configuration options are available, but only when the image has been compiled with cmake option described above: vlib { buffer-alloc-success-rate [0.0 ... 1.0] buffer-alloc-success-seed <nnnn> } Modify vlib_buffer_pool_create(...) so 0 is always an invalid buffer index. Debug images: add checks for bad buffer index enqueues, and also verify that f->n_vectors doesn't accidentally map one or more instances of the frame poison pattern 0xfefefefe. Type: improvement Signed-off-by: Dave Barach <dave@barachs.net> Change-Id: Iab939858014463d1e664682805013d334d6fcbe5
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