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  1. 30 9月, 2014 2 次提交
    • S
      libqos: use microseconds instead of iterations for virtio timeout · 70556264
      由 Stefan Hajnoczi 提交于 
      Some hosts are slow or overloaded so test execution takes a long time.
Test cases use timeouts to protect against an infinite loop stalling the
test forever (especially important in automated test setups).

Commit 6cd14054 ("libqos virtio:
Increase ISR timeout") increased the clock_step() value in an attempt to
lengthen the virtio interrupt wait timeout, but timeout failures are
still occuring on the Travis automated testing platform.

This is because clock_step() only affects the guest's virtual time.
Virtio requests can be bottlenecked on host disk I/O latency - which
cannot be improved by stepping the clock, so the fix was ineffective.

This patch changes the qvirtio_wait_queue_isr() and
qvirtio_wait_config_isr() timeout mechanism from loop iterations to
microseconds.  This way the test case can specify an absolute 30 second
timeout.  Number of loop iterations is not a reliable timeout mechanism
since the speed depends on many factors including host performance.

Tests should no longer timeout on overloaded Travis instances.

Cc: Marc Marí <marc.mari.barcelo@gmail.com>
Reported-by: NPeter Maydell <peter.maydell@linaro.org>
Signed-off-by: NStefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>
      70556264
    • S
      libqos: improve event_index test with timeout · e8c81b4d
      由 Stefan Hajnoczi 提交于 
      The virtio event_index feature lets the device driver tell the device
how many requests to process before raising the next interrupt.
virtio-blk-test.c tries to verify that the device does not raise an
interrupt unnecessarily.

Unfortunately the test has a race condition.  It spins checking for an
interrupt up to 100 times and then assumes the request has finished.  On
a slow host the I/O request could still be in flight and the test would
fail.

This patch waits for the request to complete, or until a 30-second
timeout is reached.  If an interrupt is raised while waiting the test
fails since the device was not supposed to raise interrupts.
Signed-off-by: NStefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>
      e8c81b4d
  3. 29 9月, 2014 2 次提交
    • K
      raw-posix: Fix build without posix_fallocate() · ed911435
      由 Kevin Wolf 提交于 
      Check for the presence of posix_fallocate() in configure and only
compile in support for PREALLOC_MODE_FALLOC when it's there.
Signed-off-by: NKevin Wolf <kwolf@redhat.com>
Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>
      ed911435
    • P
      Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into staging · 0ebcc564
      由 Peter Maydell 提交于 
      Block patches

# gpg: Signature made Fri 26 Sep 2014 19:57:52 BST using RSA key ID C88F2FD6
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>"

* remotes/kevin/tags/for-upstream:
  qemu-iotests: Fail test if explicit test case number is unknown
  block: Validate node-name
  vpc: fix beX_to_cpu() and cpu_to_beX() confusion
  docs: add blkdebug block driver documentation
  block: Catch simultaneous usage of options and their aliases
  block: Specify -drive legacy option aliases in array
  block: Improve message for device name clashing with node name
  qemu-nbd: Destroy the BlockDriverState properly
  block: Keep DriveInfo alive until BlockDriverState dies
  blockdev: Disentangle BlockDriverState and DriveInfo creation
  blkdebug: show an error for invalid event names
Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>
      0ebcc564
  5. 27 9月, 2014 13 次提交
  7. 26 9月, 2014 23 次提交