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2016-01-20qemu-iotests: Reduce racy output in 028Eric Blake
On my machine, './check -qcow2 028' was failing about 80% of the time, due to a race in how many times the repeated attempts to run 'info block-jobs' could occur before the job was done, showing up as a failure of fewer '(qemu) ' prompts than in the expected output. Silence the output during the repetitions, then add a final clean command to keep the expected output useful; once patched, I was finally able to run the test 20 times in a row with no failures. Signed-off-by: Eric Blake <eblake@redhat.com> Reviewed-by: John Snow <jsnow@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2016-01-07iotests: 028: Use TEST_IMG override instead of "mv"Fam Zheng
Signed-off-by: Fam Zheng <famz@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Message-id: 1450752561-9300-6-git-send-email-famz@redhat.com Signed-off-by: Max Reitz <mreitz@redhat.com>
2015-09-11opts: produce valid command line in qemu_opts_printKővágó, Zoltán
This will let us print options in a format that the user would actually write it on the command line (foo=bar,baz=asd,etc=def), without prepending a spurious comma at the beginning of the list, or quoting values unnecessarily. This patch provides the following changes: * write and id=, if the option has an id * do not print separator before the first element * do not quote string arguments * properly escape commas (,) for QEMU Signed-off-by: Kővágó, Zoltán <DirtY.iCE.hu@gmail.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2014-12-12qemu-iotests: Remove traling whitespaces in *.outFam Zheng
This is simply: $ cd tests/qemu-iotests; sed -i -e 's/ *$//' *.out Signed-off-by: Fam Zheng <famz@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Message-id: 1418110684-19528-2-git-send-email-famz@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-08-20qemu-iotests: Fix 028 reference output for qedKevin Wolf
We need to filter out driver-specific options in the "Formatting..." string printed by qemu when creating the backup image. Reported-by: Peter Wu <peter@lekensteyn.nl> Signed-off-by: Kevin Wolf <kwolf@redhat.com> Tested-by: Peter Wu <peter@lekensteyn.nl>
2014-07-18qemu-iotests: fix 028 failure due to disk image pathStefan Hajnoczi
The disk image path is echoed by QEMU's readline when the "drive_backup disk ${TEST_IMG}.copy" HMP command is issued. Unfortunately it is very hard to filter out the path due to readline's character-by-character output (with terminal escape sequences). Just redirect this command to /dev/null for now. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com>
2014-07-09block/backup: Fix hang for unaligned image sizeKevin Wolf
When doing a block backup of an image with an unaligned size (with respect to the BACKUP_CLUSTER_SIZE), qemu would check the allocation status of sectors after the end of the image. bdrv_is_allocated() returns a result that is valid for 0 sectors in this case, so the backup job ran into an endless loop. Stop looping when seeing a result valid for 0 sectors, we're at EOF then. The test case looks somewhat unrelated at first sight because I originally tried to reproduce a different suspected bug that turned out to not exist. Still a good test case and it accidentally found this one. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
2013-11-29qemu-iotests: Filter out 'qemu-io> ' promptFam Zheng
This removes "qemu-io> " prompt from qemu-io output in _filter_qemu_io, and updates all the output files with the following command: cd tests/qemu-iotests && sed -i "s/qemu-io> //g" *.out Signed-off-by: Fam Zheng <famz@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2012-05-10qemu-io: correctly print non-integer values as decimalsPaolo Bonzini
qemu-io's cvtstr function sometimes will incorrectly omit the decimal part of the number, and sometimes will incorrectly include it. This patch fixes both. The former is more serious, and can be seen in the patches to 027.out and 033.out. The changes to all other files were scripted with sed, so there were no "surprises" beyond 027.out and 033.out. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2012-02-29qemu-iotests: Test rebase with short backing fileKevin Wolf
This tests that qemu-img rebase doesn't assume that the backing file has the same size as the image, but considers that it can be smaller. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
2012-02-23qemu-iotests: Use zero-based offsets for IO patternsStefan Hajnoczi
The io_pattern style functions have the following loop: for i in `seq 1 $count`; do echo ... $(( start + i * step )) ... done Offsets are 1-based so start=1024, step=512, count=4 yields: 1536, 2048, 2560, 3072 Normally we expect: 1024, 1536, 2048, 2560 Most tests ignore this detail, which means that they perform I/O to a slightly different range than expected by the test author. Later on things got less innocent and tests started trying to compensate for the 1-based indexing. This included negative start values in test 024 and my own attempt with count-1 in test 028! The end result is that tests that use io_pattern are hard to reason about and don't work the way you'd expect. It's time to clean this mess up. This patch switches io_pattern to 0-based offsets. This requires adjusting the golden outputs since I/O ranges are now shifted and output differs. Verifying these output diffs is easy, however. Each diff hunk moves one I/O from beyond the end of the pattern range to the beginning. Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2012-02-22qemu-iotests: add read/write from smaller backing image testStefan Hajnoczi
Some image formats support backing images that are smaller than the image file. This patch adds a test that verifies that reads and writes beyond the end of backing image work. Unallocated reads beyond the end of the backing file should produce zeroes. Writes beyond the end of the backing file should copy-on-write using zeroes. Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Christoph Hellwig <hch@lst.de>