[ovs-build] Canceled: williamtu/ovs-travis#223 (afxdp-v18 - e51592d)

[Travis CI]

Build Update for williamtu/ovs-travis
-------------------------------------

Build: #223
Status: Canceled

Duration: 56 mins and 19 secs
Commit: e51592d (afxdp-v18)
Author: William Tu
Message: netdev-afxdp: add new netdev type for AF_XDP.

The patch introduces experimental AF_XDP support for OVS netdev.
AF_XDP, the Address Family of the eXpress Data Path, is a new Linux socket
type built upon the eBPF and XDP technology.  It is aims to have comparable
performance to DPDK but cooperate better with existing kernel's networking
stack.  An AF_XDP socket receives and sends packets from an eBPF/XDP program
attached to the netdev, by-passing a couple of Linux kernel's subsystems
As a result, AF_XDP socket shows much better performance than AF_PACKET
For more details about AF_XDP, please see linux kernel's
Documentation/networking/af_xdp.rst. Note that by default, this feature is
not compiled in.

Signed-off-by: William Tu <u9012063 at gmail.com>
---
v15:
 * address review feedback from Ilya
   https://patchwork.ozlabs.org/patch/1125476/
 * skip TCP related test cases
 * reclaim all CONS_NUM_DESC at complete tx
 * add retries to kick_tx
 * increase memory pool size
 * remove redundant xdp flag and bind flag
 * remove unused rx_dropped var
 * make tx_dropped counter atomic
 * refactor dp_packet_init_afxdp using dp_packet_init__
 * rebase to ovs master, test with latest bpf-next kernel commit b14a260e33ddb4
   Ilya's kernel patches are required
   commit 455302d1c9ae ("xdp: fix hang while unregistering device bound to xdp socket")
   commit 162c820ed896 ("xdp: hold device for umem regardless of zero-copy mode")
 Possible issues:
 * still lots of afxdp_cq_skip  (ovs-appctl coverage/show)
    afxdp_cq_skip  44325273.6/sec 34362312.683/sec   572705.2114/sec   total: 2106010377
 * TODO:
   'make check-afxdp' still not all pass
   IP fragmentation expiry test not fix yet, need to implement
   deferral memory free, s.t like dpdk_mp_sweep.  Currently hit
   some missing umem descs when reclaiming.
   NSH test case still failed (not due to afxdp)

v16:
  * address feedbacks from Ilya
  * add deferral memory free
  * add afxdp testsuites files to gitignore

v17:
  * address feedbacks from Ilya and Ben
  https://patchwork.ozlabs.org/patch/1131547/
  * ovs_spin_lock: add pthread_spin_lock checks, fix typo
  * update NEWS
  * add pthread_spin_lock check at OVS_CHECK_LINUX_AF_XDP
  * fix bug in xmalloc_size_align
  * rename xdpsock to netdev-afxdp-pool
  * remove struct umem_elem, use void *
  * fix style and comments
  * fix afxdp.rst
  * rebase to OVS master, tested on kernel 5.2.0-rc6
 Note: I still leave the last_tsc in pmd_perf_stats the same as v16

v18:
  * address feedbacks from Ilya and Ben
  https://patchwork.ozlabs.org/patch/1133416/
  * update document about tcp and reconfiguration
  * fix leak in tx spin locks
  * refactor __umem_pool alloc and assert
  * refactor macro and defines used in netdev-afxdp[-pool]
  * refactor the xpool->array to remove using type casting
  * add empty netdev_afxdp_rxq_destruct to avoid closing
    afxdp socket

View the changeset: https://github.com/williamtu/ovs-travis/compare/516ab1325749^...e51592d21109

View the full build log and details: https://travis-ci.org/williamtu/ovs-travis/builds/560643004?utm_medium=notification&utm_source=email

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