Debian 9 base container has been removed in commits
e3755276d1 and c9d78b06c0. Remove the last remnants.
Fixes: e3755276d1 ("tests/docker: Remove old Debian 9 containers")
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Willian Rampazzo <willianr@redhat.com>
Message-Id: <20210107072933.3828450-1-f4bug@amsat.org>
Message-Id: <20210114165730.31607-2-alex.bennee@linaro.org>
A connecting chardev object has an additional reference by the connecting
thread, so if the chardev is still connecting by the end of the test,
then the chardev object won't be freed. This in turn means that the yank
instance won't be unregistered and when running the next test-case
yank_register_instance will abort, because the yank instance is
already/still registered.
Signed-off-by: Lukas Straub <lukasstraub2@web.de>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <1445e97a5800e3f2ba024ad52b500a0315701632.1609167865.git.lukasstraub2@web.de>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
We add a qtest for the PWM in the previous patch. It proves it works as
expected.
Reviewed-by: Havard Skinnemoen <hskinnemoen@google.com>
Reviewed-by: Tyrone Ting <kfting@nuvoton.com>
Signed-off-by: Hao Wu <wuhaotsh@google.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20210108190945.949196-6-wuhaotsh@google.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The ADC is part of NPCM7XX Module. Its behavior is controled by the
ADC_CON register. It converts one of the eight analog inputs into a
digital input and stores it in the ADC_DATA register when enabled.
Users can alter input value by using qom-set QMP command.
Reviewed-by: Havard Skinnemoen <hskinnemoen@google.com>
Reviewed-by: Tyrone Ting <kfting@nuvoton.com>
Signed-off-by: Hao Wu <wuhaotsh@google.com>
Message-id: 20210108190945.949196-4-wuhaotsh@google.com
[PMM: Added missing hw/adc/trace.h file]
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
crypto/tlscreds.h includes GnuTLS headers if CONFIG_GNUTLS is set, but
GNUTLS_CFLAGS, that describe include path, are not propagated
transitively to all users of crypto and build fails if GnuTLS headers
reside in non-standard directory (which is a case for homebrew on Apple
Silicon).
Signed-off-by: Roman Bolshakov <r.bolshakov@yadro.com>
Message-Id: <20210102125213.41279-1-r.bolshakov@yadro.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Prior to this patch, the fuzzer found inputs to map PCI device BARs and
enable the device. While it is nice that the fuzzer can do this, it
added significant overhead, since the fuzzer needs to map all the
BARs (regenerating the memory topology), at the start of each input.
With this patch, we do this once, before fuzzing, mitigating some of
this overhead.
Signed-off-by: Alexander Bulekov <alxndr@bu.edu>
Reviewed-by: Darren Kenny <darren.kenny@oracle.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20201221181203.1853-1-alxndr@bu.edu>
Signed-off-by: Thomas Huth <thuth@redhat.com>
There was a race condition in the first test where there was already the
"crw" output in the dmesg, but the "0.0.4711" entry has not been created
in the /sys fs yet. Fix it by waiting until it is there.
The second test has even more problems on gitlab-CI. Even after adding some
more synchronization points (that wait for some messages in the "dmesg"
output to make sure that the modules got loaded correctly), there are still
occasionally some hangs in this test when it is running in the gitlab-CI.
So far I was unable to reproduce these hangs locally on my computer, so
this issue might take a while to debug. Thus disable the 2nd test in the
gitlab-CI until the problems are better understood and fixed.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Tested-by: Willian Rampazzo <willianr@redhat.com>
Reviewed-by: Willian Rampazzo <willianr@redhat.com>
Message-Id: <20210108185645.86351-1-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
When the length of mname is less than 5, memcpy("xenfv", mname, 5) will cause
heap buffer overflow. Therefore, use strncmp to avoid this problem.
The asan showed stack:
ERROR: AddressSanitizer: heap-buffer-overflow on address 0x60200000f2f4 at
pc 0x7f65d8cc2225 bp 0x7ffe93cc5a60 sp 0x7ffe93cc5208 READ of size 5 at
0x60200000f2f4 thread T0
#0 0x7f65d8cc2224 in memcmp (/lib64/libasan.so.5+0xdf224)
#1 0x5632c20be95b in qtest_cb_for_every_machine tests/qtest/libqtest.c:1282
#2 0x5632c20b7995 in main tests/qtest/test-hmp.c:160
#3 0x7f65d88fed42 in __libc_start_main (/lib64/libc.so.6+0x26d42)
#4 0x5632c20b72cd in _start (build/tests/qtest/test-hmp+0x542cd)
Reported-by: Euler Robot <euler.robot@huawei.com>
Signed-off-by: Gan Qixin <ganqixin@huawei.com>
Reviewed-by: Laurent Vivier <lvivier@redhat.com>
Message-Id: <20210106050625.518041-1-ganqixin@huawei.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Add build-system-opensuse jobs and opensuse-leap.docker dockerfile.
Use openSUSE Leap 15.2 container image in the gitlab-CI.
Signed-off-by: Cho, Yu-Chen <acho@suse.com>
Tested-by: Wainer dos Santos Moschetta <wainersm@redhat.com>
Reviewed-by: Wainer dos Santos Moschetta <wainersm@redhat.com>
Message-Id: <20201229085046.8536-1-acho@suse.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
The read binary data as text via a PPM export of the frame buffer
seems a bit sketchy and it did blow up in the real world when the
assertion failed:
https://gitlab.com/qemu-project/qemu/-/jobs/943183183
However short of cleaning up the test to be more binary focused at
least limit the attempt to dump the whole file as hexified zeros in
the logs.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Willian Rampazzo <willianr@redhat.com>
Acked-by: Halil Pasic <pasic@linux.ibm.com>
Acked-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20210105124405.15424-1-alex.bennee@linaro.org>
The "auto" documentation states:
That means they should run with every QEMU binary (also non-x86)
which is not the case as the check-system-fedora build which only
includes a rag tag group of rare and deprecated targets doesn't
support the virtio device required.
Fixes: ef9bba1484 ("quorum: Implement bdrv_co_block_status()")
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20210105100402.12350-1-alex.bennee@linaro.org>
Include the 'ccache' package to speed up compilation.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20201213211601.253530-1-f4bug@amsat.org>
Fixes: d6db2a1cdf ("docker: add debian-buster-arm64-cross")
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
cfi-icall is a form of Control-Flow Integrity for indirect function
calls implemented by llvm. It is enabled with a -fsanitize flag.
iotests are currently disabled when -fsanitize options is used, with the
exception of SafeStack.
This patch implements a generic filtering mechanism to allow iotests
with a set of known-to-be-safe -fsanitize option. Then marks SafeStack
and the new options used for cfi-icall safe for iotests
Signed-off-by: Daniele Buono <dbuono@linux.vnet.ibm.com>
Message-Id: <20201204230615.2392-4-dbuono@linux.vnet.ibm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
commit 1e419ee68f ("chardev: generate an internal id when none
given") changed the reference ownership semantics of
qemu_chardev_new(NULL, ...): now all chardevs created using
qemu_chardev_new() are added to the /chardevs QOM container, and
the caller does not own a reference to the newly created object.
However, the code at char_file_test_internal() had not been
updated and was calling object_unref() on a chardev object it
didn't own. This makes the chardev be destroyed, but leaves a
dangling pointer in the /chardev container children list, and
seems to be the cause of the following char_serial_test() crash:
Unexpected error in object_property_try_add() at ../qom/object.c:1220: \
attempt to add duplicate property 'serial-id' to object (type 'container')
ERROR test-char - too few tests run (expected 38, got 9)
Update the code to use object_unparent() at the end of
char_file_test_internal(), to make sure the chardev will be
correctly removed from the QOM tree.
Fixes: 1e419ee68f ("chardev: generate an internal id when none given")
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20201215224133.3545901-2-ehabkost@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The Debian 9 containers have been removed a while ago, so we can
delete the corresponding entries in the Makefile, too.
Fixes: e3755276d1 ("tests/docker: Remove old Debian 9 containers")
Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Wainer dos Santos Moschetta <wainersm@redhat.com>
Message-Id: <20201215083318.92205-1-thuth@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
After adding some missing packages, it's possible to check 32-bit
builds and tests with the fedora-i386-cross container in the gitlab-CI,
too. Unfortunately, the code in subprojects/ ignores the --extra-cflags
(on purpose), so the vhost-user part has to be disabled for this.
While we're at it, update the container to Fedora 31. Unfortunately the
gcc from the later versions emits some very dubious format-truncation
warnings, so Fedora 32 and 33 are currently unsuitable for this job.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Wainer dos Santos Moschetta <wainersm@redhat.com>
Message-Id: <20201215083451.92322-1-thuth@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Hopefully this will guard against sloppy code getting into our tests.
Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20201210190417.31673-9-alex.bennee@linaro.org>
- enhance the s390 devices acceptance test
- tcg: improve carry computation
- qga: send the ccw address with the fsinfo data
- fixes for protected virtualisation and zpci
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Merge remote-tracking branch 'remotes/cohuck-gitlab/tags/s390x-20201222' into staging
Further s390x updates:
- enhance the s390 devices acceptance test
- tcg: improve carry computation
- qga: send the ccw address with the fsinfo data
- fixes for protected virtualisation and zpci
# gpg: Signature made Tue 22 Dec 2020 10:37:34 GMT
# gpg: using RSA key C3D0D66DC3624FF6A8C018CEDECF6B93C6F02FAF
# gpg: issuer "cohuck@redhat.com"
# gpg: Good signature from "Cornelia Huck <conny@cornelia-huck.de>" [unknown]
# gpg: aka "Cornelia Huck <huckc@linux.vnet.ibm.com>" [full]
# gpg: aka "Cornelia Huck <cornelia.huck@de.ibm.com>" [full]
# gpg: aka "Cornelia Huck <cohuck@kernel.org>" [unknown]
# gpg: aka "Cornelia Huck <cohuck@redhat.com>" [unknown]
# Primary key fingerprint: C3D0 D66D C362 4FF6 A8C0 18CE DECF 6B93 C6F0 2FAF
* remotes/cohuck-gitlab/tags/s390x-20201222:
tests/acceptance: Add a test with the Fedora 31 kernel and initrd
s390x/pci: Fix memory_region_access_valid call
s390x/pci: fix pcistb length
tests/acceptance: Test the virtio-balloon device on s390x
tests/acceptance: Test virtio-rng on s390 via /dev/hwrng
tests/acceptance: Extract the code to clear dmesg and wait for CRW reports
tests/acceptance: test hot(un)plug of ccw devices
target/s390x: Improve SUB LOGICAL WITH BORROW
target/s390x: Improve cc computation for SUBTRACT LOGICAL
target/s390x: Improve ADD LOGICAL WITH CARRY
target/s390x: Improve cc computation for ADD LOGICAL
qga/commands-posix: Send CCW address on s390x with the fsinfo data
MAINTAINERS: move my git tree to gitlab
s390x: pv: Fence additional unavailable SCLP facilities for PV guests
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Merge remote-tracking branch 'remotes/armbru/tags/pull-qapi-2020-12-19' into staging
QAPI patches patches for 2020-12-19
# gpg: Signature made Sat 19 Dec 2020 09:40:05 GMT
# gpg: using RSA key 354BC8B3D7EB2A6B68674E5F3870B400EB918653
# gpg: issuer "armbru@redhat.com"
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" [full]
# gpg: aka "Markus Armbruster <armbru@pond.sub.org>" [full]
# Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867 4E5F 3870 B400 EB91 8653
* remotes/armbru/tags/pull-qapi-2020-12-19: (33 commits)
qobject: Make QString immutable
block: Use GString instead of QString to build filenames
keyval: Use GString to accumulate value strings
json: Use GString instead of QString to accumulate strings
migration: Replace migration's JSON writer by the general one
qobject: Factor JSON writer out of qobject_to_json()
qobject: Factor quoted_str() out of to_json()
qobject: Drop qstring_get_try_str()
qobject: Drop qobject_get_try_str()
Revert "qobject: let object_property_get_str() use new API"
block: Avoid qobject_get_try_str()
qmp: Fix tracing of non-string command IDs
qobject: Move internals to qobject-internal.h
hw/rdma: Replace QList by GQueue
Revert "qstring: add qstring_free()"
qobject: Change qobject_to_json()'s value to GString
qobject: Use GString instead of QString to accumulate JSON
qobject: Make qobject_to_json_pretty() take a pretty argument
monitor: Use GString instead of QString for output buffer
hmp: Simplify how qmp_human_monitor_command() gets output
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
- New block filter: preallocate (which, on writes beyond an image file's
end, allocates big chunks of data so that such post-EOF writes will
occur less frequently)
- write-zeroes and block-status support for Quorum
- Implementation of truncate for the nvme block driver similarly to the
existing implementations for host block devices and iscsi devices
- Block layer refactoring: Drop the tighten_restrictions concept in the
block permission functions
- iotest fixes
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Merge remote-tracking branch 'remotes/maxreitz/tags/pull-block-2020-12-18' into staging
Block patches:
- New block filter: preallocate (which, on writes beyond an image file's
end, allocates big chunks of data so that such post-EOF writes will
occur less frequently)
- write-zeroes and block-status support for Quorum
- Implementation of truncate for the nvme block driver similarly to the
existing implementations for host block devices and iscsi devices
- Block layer refactoring: Drop the tighten_restrictions concept in the
block permission functions
- iotest fixes
# gpg: Signature made Fri 18 Dec 2020 14:45:30 GMT
# gpg: using RSA key 91BEB60A30DB3E8857D11829F407DB0061D5CF40
# gpg: issuer "mreitz@redhat.com"
# gpg: Good signature from "Max Reitz <mreitz@redhat.com>" [full]
# Primary key fingerprint: 91BE B60A 30DB 3E88 57D1 1829 F407 DB00 61D5 CF40
* remotes/maxreitz/tags/pull-block-2020-12-18: (30 commits)
iotests: Fix _send_qemu_cmd with bash 5.1
iotests/102: Pass $QEMU_HANDLE to _send_qemu_cmd
block/nvme: Implement fake truncate() coroutine
quorum: Implement bdrv_co_pwrite_zeroes()
quorum: Implement bdrv_co_block_status()
scripts/simplebench: add bench_prealloc.py
simplebench/results_to_text: make executable
simplebench/results_to_text: add difference line to the table
simplebench/results_to_text: improve view of the table
simplebench: move results_to_text() into separate file
simplebench: rename ascii() to results_to_text()
scripts/simplebench: use standard deviation for +- error
scripts/simplebench: support iops
scripts/simplebench: fix grammar: s/successed/succeeded/
iotests: add 298 to test new preallocate filter driver
iotests.py: execute_setup_common(): add required_fmts argument
iotests: qemu_io_silent: support --image-opts
qemu-io: add preallocate mode parameter for truncate command
block: introduce preallocate filter
block: bdrv_check_perm(): process children anyway
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
- Add qemu-storage-daemon documentation
- hw/block/nand: Decommission the NAND museum
- vpc: Clean up some buffer abuse
- nfs: fix int overflow in nfs_client_open_qdict
- Several iotests fixes
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Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into staging
Block layer patches:
- Add qemu-storage-daemon documentation
- hw/block/nand: Decommission the NAND museum
- vpc: Clean up some buffer abuse
- nfs: fix int overflow in nfs_client_open_qdict
- Several iotests fixes
# gpg: Signature made Fri 18 Dec 2020 12:07:30 GMT
# gpg: using RSA key DC3DEB159A9AF95D3D7456FE7F09B272C88F2FD6
# gpg: issuer "kwolf@redhat.com"
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>" [full]
# Primary key fingerprint: DC3D EB15 9A9A F95D 3D74 56FE 7F09 B272 C88F 2FD6
* remotes/kevin/tags/for-upstream:
block/vpc: Use sizeof() instead of HEADER_SIZE for footer size
block/vpc: Pass footer buffers as VHDFooter * instead of uint8_t *
block/vpc: Pad VHDFooter, replace uint8_t[] buffers
block/vpc: Use sizeof() instead of 1024 for dynamic header size
block/vpc: Pad VHDDynDiskHeader, replace uint8_t[] buffers
block/vpc: Make vpc_checksum() take void *
block/vpc: Don't abuse the footer buffer for dynamic header
block/vpc: Don't abuse the footer buffer as BAT sector buffer
block/vpc: Make vpc_open() read the full dynamic header
iotests:172: use _filter_qom_path
iotests: make _filter_qom_path more strict
MAINTAINERS: add Kevin Wolf as storage daemon maintainer
docs: add qemu-storage-daemon(1) man page
docs: generate qemu-storage-daemon-qmp-ref(7) man page
block/nfs: fix int overflow in nfs_client_open_qdict
hw/block/nand: Decommission the NAND museum
iotests/210: Fix reference output
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This initrd contains a virtio-net and a virtio-gpu kernel module,
so we can check that we can set a MAC address for the network device
and whether we can hot-plug and -unplug a virtio-crypto device.
But the most interesting part is maybe that we can also successfully
write some stuff into the emulated framebuffer of the virtio-gpu
device and make sure that we can read back that data from a screenshot.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20201221143423.23607-1-thuth@redhat.com>
Reviewed-by: Willian Rampazzo <willianr@redhat.com>
Tested-by: Willian Rampazzo <willianr@redhat.com>
Reviewed-by: Wainer dos Santos Moschetta <wainersm@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
/dev/hwrng is only functional if virtio-rng is working right, so let's
add a sanity check for this device node.
Reviewed-by: Willian Rampazzo <willianr@redhat.com>
Tested-by: Willian Rampazzo <willianr@redhat.com>
Reviewed-by: Wainer dos Santos Moschetta <wainersm@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20201215183623.110128-3-thuth@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
We will use this in more spots soon, so it's easier to put this into
a separate function.
Reviewed-by: Willian Rampazzo <willianr@redhat.com>
Tested-by: Willian Rampazzo <willianr@redhat.com>
Reviewed-by: Wainer dos Santos Moschetta <wainersm@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20201215183623.110128-2-thuth@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
The functions to modify a QString's string are all unused now. Drop
them, and make the string immutable. Saves 16 bytes per QString on my
system.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20201211171152.146877-21-armbru@redhat.com>
No users left outside tests/, and the ones in tests/ can just as well
use qstring_get_str(). Do that, and drop the function.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20201211171152.146877-14-armbru@redhat.com>
qobject_to_json() and qobject_to_json_pretty() build a GString, then
covert it to QString. Just one of the callers actually needs a
QString: qemu_rbd_parse_filename(). A few others need a string they
can modify: qmp_send_response(), qga's send_response(), to_json_str(),
and qmp_fd_vsend_fds(). The remainder just need a string.
Change qobject_to_json() and qobject_to_json_pretty() to return the
GString.
qemu_rbd_parse_filename() now has to convert to QString. All others
save a QString temporary. to_json_str() actually becomes a bit
simpler, because GString provides more convenient modification
functions.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20201211171152.146877-6-armbru@redhat.com>
test_primitives() uses union member intmax_t max to compare the
integer members. Unspecified behavior. Has worked fine for many
years, though. Clean it up.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20201210161452.2813491-11-armbru@redhat.com>
The string output visitor should serialize numbers so that the string
input visitor deserializes them back to the same number. It fails to
do so.
print_type_number() uses format %f. This is prone to nasty rounding
errors. For instance, numbers between 0 and 0.0000005 get flushed to
zero.
We currently use this visitor only for HMP info migrate, info network,
info qtree, and info memdev. No double values occur there as far as I
can tell.
Fix anyway by formatting with %.17g. 17 decimal digits always suffice
for IEEE double.
See also recent commit "qobject: Fix qnum_to_string() to use
sufficient precision".
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20201210161452.2813491-9-armbru@redhat.com>
This demonstrates rounding error due to insufficient precision: double
3.1415926535897932 gets converted to JSON 3.141593.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20201210161452.2813491-8-armbru@redhat.com>
We should serialize numbers to JSON so that they deserialize back to
the same number. We fail to do so.
The culprit is qnum_to_string(): it uses format %f with trailing '0'
trimmed. Results in pretty output for "nice" numbers, but is prone to
nasty rounding errors. For instance, numbers between 0 and 0.0000005
get flushed to zero.
Where exactly the incorrect rounding can bite is tiresome to gauge.
Here's my take.
* In QMP output, type 'number':
- query-blockstats value avg_rd_queue_depth
- QMP query-migrate values mbps, cache-miss-rate, encoding-rate,
busy-rate, compression-rate.
Relatively harmless, I guess.
* In tracing QMP input. Harmless.
* In qemu-ga output, type 'number': guest-get-users value login-time.
Harmless.
* In output of HMP qom-get. Harmless.
Not affected, because double values don't actually occur there (I
think):
* QMP output, type 'any':
* qom-get value
* qom-list, qom-list-properties value default-value
* query-cpu-model-comparison, query-cpu-model-baseline,
query-cpu-model-expansion value props.
* qemu-img --output json output.
* "json:" pseudo-filenames generated by bdrv_refresh_filename().
* The rbd block driver's "=keyvalue-pairs" hack.
* In -object help on property default values. Aside: use of JSON
feels inappropriate here.
* Output of HMP qom-get.
* Argument conversion to QemuOpts for qdev_device_add() and HMP with
qemu_opts_from_qdict()
QMP and HMP device_add, virtio-net failover primary creation,
xen-usb "usb-host" creation, HMP netdev_add, object_add.
* The uses of qobject_input_visitor_new_flat_confused()
As far as I can tell, none of the visited types contain double
values.
* Dumping ImageInfoSpecific with dump_qobject()
Fix by formatting with %.17g. 17 decimal digits always suffice for
IEEE double.
The change to expected test output illustrates the effect: the
rounding errors are gone, but some seemingly "nice" numbers now get
converted to not so nice strings, e.g. 0.42 to "0.41999999999999998".
This is because 0.42 is not representable exactly in double. It's
more accurate in this example than strictly necessary, though.
If ugly accuracy bothers us, we can we can try using the least number
of digits that still converts back to the same double. In this
example, "0.42" would do.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20201210161452.2813491-7-armbru@redhat.com>
qnum_to_string() has a FIXME comment about rounding errors due to
insufficient precision. Cover it: 2.718281828459045 gets converted to
"2.718282". The next commit will fix it.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20201210161452.2813491-6-armbru@redhat.com>
Move one of large_number()'s three checks to uint_number(), and the
other two to float_number().
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20201210161452.2813491-5-armbru@redhat.com>
simple_number() checks only qnum_get_try_int(). Also check
qnum_get_try_uint() and qnum_get_double().
float_number() checks only qnum_get_double(). Also check
qnum_get_try_int() and qnum_get_try_uint().
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20201210161452.2813491-3-armbru@redhat.com>
simple_number() and float_number() convert from JSON to QNumber and
back.
simple_number() tests "-0", but skips the conversion back to JSON,
because it yields "0", not "-0". Works as intended, so better cover
it: don't skip, but expect the funny result.
float_number() tests "-32.20e-10", but skips the conversion back to
JSON, because it yields "-0". This is a known bug in
qnum_to_string(), marked FIXME there. Cover the bug: don't skip, but
expect the funny result.
While there, switch from g_assert() to g_assert_cmpstr() & friends for
friendlier test failures.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20201210161452.2813491-2-armbru@redhat.com>
Anywhere we create a list of just one item or by prepending items
(typically because order doesn't matter), we can use
QAPI_LIST_PREPEND(). But places where we must keep the list in order
by appending remain open-coded until later patches.
Note that as a side effect, this also performs a cleanup of two minor
issues in qga/commands-posix.c: the old code was performing
new = g_malloc0(sizeof(*ret));
which 1) is confusing because you have to verify whether 'new' and
'ret' are variables with the same type, and 2) would conflict with C++
compilation (not an actual problem for this file, but makes
copy-and-paste harder).
Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <20201113011340.463563-5-eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
[Straightforward conflicts due to commit a8aa94b5f8 "qga: update
schema for guest-get-disks 'dependents' field" and commit a10b453a52
"target/mips: Move mips_cpu_add_definition() from helper.c to cpu.c"
resolved. Commit message tweaked.]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
With bash 5.1, the output of the following script changes:
a=("double space")
a=${a[@]:0:1}
echo "$a"
from "double space" to "double space", i.e. all white space is
preserved as-is. This is probably what we actually want here (judging
from the "...to accommodate pathnames with spaces" comment), but before
5.1, we would have to quote the ${} slice to get the same behavior.
In any case, without quoting, the reference output of many iotests is
different between bash 5.1 and pre-5.1, which is not very good. The
output of 5.1 is what we want, so whatever we do to get pre-5.1 to the
same result, it means we have to fix the reference output of basically
all tests that invoke _send_qemu_cmd (except the ones that only use
single spaces in the commands they invoke).
Instead of quoting the ${} slice (cmd="${$@: 1:...}"), we can also just
not use array slicing and replace the whole thing with a simple "cmd=$1;
shift", which works because all callers quote the whole $cmd argument
anyway.
Signed-off-by: Max Reitz <mreitz@redhat.com>
Message-Id: <20201217153803.101231-3-mreitz@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Philippe Mathieu-Daudé
Peter Maydell
Lukas Straub
Hao Wu
Roman Bolshakov
Paolo Bonzini
Alexander Bulekov
Thomas Huth
Gan Qixin
Cho, Yu-Chen
Alex Bennée
Jiaxun Yang
Daniele Buono
Eduardo Habkost
Daniel P. Berrangé
Cornelia Huck
Markus Armbruster
Eric Blake
Max Reitz