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2017-09-22Merge remote-tracking branch ↵Peter Maydell
'remotes/ehabkost/tags/python-next-pull-request' into staging Python queue, 2017-09-22 * MAINTAINERS update * Fix logging issue on test scripts using qemu.py # gpg: Signature made Fri 22 Sep 2017 15:41:43 BST # gpg: using RSA key 0x2807936F984DC5A6 # gpg: Good signature from "Eduardo Habkost <ehabkost@redhat.com>" # Primary key fingerprint: 5A32 2FD5 ABC4 D3DB ACCF D1AA 2807 936F 984D C5A6 * remotes/ehabkost/tags/python-next-pull-request: MAINTAINERS: Add Python scripts qemu.py: Call logging.basicConfig() automatically Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-09-22qemu.py: Call logging.basicConfig() automaticallyEduardo Habkost
Not all scripts using qemu.py configure the Python logging module, and end up generating a "No handlers could be found for logger" message instead of actual log messages. To avoid requiring every script using qemu.py to configure logging manually, call basicConfig() when creating a QEMUMachine object. This won't affect scripts that already set up logging, but will ensure that scripts that don't configure logging keep working. Reported-by: Kevin Wolf <kwolf@redhat.com> Fixes: 4738b0a85a0c2031fddc71b51cccebce0c4ba6b1 Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Message-Id: <20170921162234.847-1-ehabkost@redhat.com> Reviewed-by: Cleber Rosa <crosa@redhat.com> Acked-by: Lukáš Doktor <ldoktor@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2017-09-22scripts: Add archive-source.shFam Zheng
Signed-off-by: Fam Zheng <famz@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
2017-09-22qemu.py: Add "wait()" methodFam Zheng
Signed-off-by: Fam Zheng <famz@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
2017-09-19checkpatch: add hwaddr to @typeListGreg Kurz
The script doesn't know about all possible types and learn them as it parses the code. If it reaches a line with a type cast but the type isn't known yet, it is misinterpreted as an identifier. For example the following line: foo = (hwaddr) -1; results in the following false-positive to be reported: ERROR: spaces required around that '-' (ctx:VxV) Let's add this standard QEMU type to the list of pre-known types. Signed-off-by: Greg Kurz <groug@kaod.org> Message-Id: <150538015789.8149.10902725348939486674.stgit@bahia.lan> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-09-19scripts: let checkpatch.pl process an entire GIT branchDaniel P. Berrange
Currently before submitting a series, devs should run checkpatch.pl across each patch to be submitted. This can be automated using a command such as: git rebase -i master -x 'git show | ./scripts/checkpatch.pl -' This is rather long winded to type, so this patch introduces a way to tell checkpatch.pl to validate a series of GIT revisions. There are now three modes it can operate in 1) check a patch 2) check a source file, or 3) check a git branch. If no flags are given, the mode is determined by checking the args passed to the command. If the args contain a literal ".." it is treated as a GIT revision list. If the args end in ".patch" or equal "-" it is treated as a patch file. Otherwise it is treated as a source file. This automatic guessing can be overridden using --[no-]patch --[no-]file or --[no-]branch For example to check a GIT revision list: $ ./scripts/checkpatch.pl master.. total: 0 errors, 0 warnings, 297 lines checked b886d352a2bf58f0996471fb3991a138373a2957 has no obvious style problems and is ready for submission. total: 0 errors, 0 warnings, 182 lines checked 2a731f9a9ce145e0e0df6d42dd2a3ce4dfc543fa has no obvious style problems and is ready for submission. total: 0 errors, 0 warnings, 102 lines checked 11844169bcc0c8ed4449eb3744a69877ed329dd7 has no obvious style problems and is ready for submission. If a genuine patch filename contains the characters '..' it is possible to force interpretation of the arg as a patch $ ./scripts/checkpatch.pl --patch master.. will force it to load a patch file called "master..", or equivalently $ ./scripts/checkpatch.pl --no-branch master.. will simply turn off guessing of GIT revision lists. Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-Id: <20170913091000.9005-1-berrange@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-09-19update-linux-headers: prepare for hyperv.h removalRoman Kagan
All definitions related to Hyper-V emulation are now taken from the QEMU own header, so the one imported from the kernel is no longer needed. Unfortunately it's included by kvm_para.h. So, until this is fixed in the kernel, teach the header harvesting script to substitute kernel's hyperv.h with a dummy. Signed-off-by: Roman Kagan <rkagan@virtuozzo.com> Message-Id: <20170713201522.13765-3-rkagan@virtuozzo.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-09-18qemu.py: Fix syntax errorKevin Wolf
Python requires parentheses around multiline expression. This fixes the breakage of all Python-based qemu-iotests cases that was introduced in commit dab91d9aa0. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Message-id: 20170918052524.4045-1-kwolf@redhat.com Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Tested-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-09-15qemu.py: include debug information on launch errorAmador Pahim
When launching a VM, if an exception happens and the VM is not initiated, it might be useful to see the qemu command line and the qemu command output. This patch creates that message. Notice that self._iolog needs to be cleaned up in the beginning of the launch() to make sure we will not expose the qemu log from a previous launch if the current one fails. Signed-off-by: Amador Pahim <apahim@redhat.com> Message-Id: <20170901112829.2571-6-apahim@redhat.com> Reviewed-by: Fam Zheng <famz@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2017-09-15qemu.py: improve message on negative exit codeAmador Pahim
The current message shows 'self._args', which contains only part of the options used in the Qemu command line. This patch makes the qemu full args list an instance variable and then uses it in the negative exit code message. Message was moved outside the 'if is_running' block to make sure it will be logged if the VM finishes before the call to shutdown(). Signed-off-by: Amador Pahim <apahim@redhat.com> Message-Id: <20170901112829.2571-5-apahim@redhat.com> [ehabkost: removed superfluous parenthesis] Reviewed-by: Fam Zheng <famz@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2017-09-15qemu.py: use os.path.null instead of /dev/nullAmador Pahim
For increased portability, let's use os.path.devnull. Signed-off-by: Amador Pahim <apahim@redhat.com> Message-Id: <20170901112829.2571-4-apahim@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Fam Zheng <famz@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2017-09-15qemu.py: avoid writing to stdout/stderrAmador Pahim
This module should not write directly to stdout/stderr. Instead, it should either raise exceptions or just log the messages and let the callers handle them and decide what to do. For example, scripts could choose to send the log messages stderr or/and write them to a file if verbose or debugging mode is enabled. This patch replaces the writes to stderr by an exception in the send_fd_scm() when _socket_scm_helper is not set or not present. In the same method, the subprocess Popen will now redirect the stdout/stderr to logging.debug instead of writing to system stderr. As consequence, since the Popen.communicate() is now used (in order to get the stdout), the further call to wait() became redundant and was replaced by Popen.returncode. The shutdown() message on negative exit code will now be logged to logging.warn instead of written to system stderr. Signed-off-by: Amador Pahim <apahim@redhat.com> Message-Id: <20170901112829.2571-3-apahim@redhat.com> Reviewed-by: Fam Zheng <famz@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2017-09-15qemu.py: fix is_running() return before first launch()Amador Pahim
is_running() returns None when called before the first time we call launch(): >>> import qemu >>> vm = qemu.QEMUMachine('qemu-system-x86_64') >>> vm.is_running() >>> It should return False instead. This patch fixes that. For consistence, this patch removes the parenthesis from the second clause as it's not really needed. Signed-off-by: Amador Pahim <apahim@redhat.com> Message-Id: <20170901112829.2571-2-apahim@redhat.com> Reviewed-by: Fam Zheng <famz@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2017-09-15qtest.py: Few pylint/style fixesLukáš Doktor
No actual code changes, just few pylint/style fixes. Signed-off-by: Lukáš Doktor <ldoktor@redhat.com> Reviewed-by: John Snow <jsnow@redhat.com> Message-Id: <20170818142613.32394-11-ldoktor@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2017-09-15qmp.py: Avoid overriding a builtin objectLukáš Doktor
The "id" is a builtin method to get object's identity and should not be overridden. This might bring some issues in case someone was directly calling "cmd(..., id=id)" but I haven't found such usage on brief search for "cmd\(.*id=". Signed-off-by: Lukáš Doktor <ldoktor@redhat.com> Reviewed-by: Eduardo Habkost <ehabkost@redhat.com> Message-Id: <20170818142613.32394-10-ldoktor@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2017-09-15qmp.py: Avoid "has_key" usageLukáš Doktor
The "has_key" is deprecated in favor of "__in__" operator. Signed-off-by: Lukáš Doktor <ldoktor@redhat.com> Reviewed-by: Eduardo Habkost <ehabkost@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <20170818142613.32394-9-ldoktor@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2017-09-15qmp.py: Use object-based class for QEMUMonitorProtocolLukáš Doktor
There is no need to define QEMUMonitorProtocol as old-style class. Signed-off-by: Lukáš Doktor <ldoktor@redhat.com> Reviewed-by: Eduardo Habkost <ehabkost@redhat.com> Message-Id: <20170818142613.32394-8-ldoktor@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2017-09-15qmp.py: Couple of pylint/style fixesLukáš Doktor
No actual code changes, just initializing attributes earlier to avoid AttributeError on early introspection, a few pylint/style fixes and docstring clarifications. Signed-off-by: Lukáš Doktor <ldoktor@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <20170818142613.32394-7-ldoktor@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2017-09-15qemu.py: Use custom exceptions rather than ExceptionLukáš Doktor
The naked Exception should not be widely used. It makes sense to be a bit more specific and use better-suited custom exceptions. As a benefit we can store the full reply in the exception in case someone needs it when catching the exception. Signed-off-by: Lukáš Doktor <ldoktor@redhat.com> Reviewed-by: Eduardo Habkost <ehabkost@redhat.com> Message-Id: <20170818142613.32394-6-ldoktor@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2017-09-15qemu.py: Simplify QMP key-conversionLukáš Doktor
The QMP key conversion consist of '_'s to be replaced with '-'s, which can easily be done by a single `str.replace` method which is faster and does not require `string` module import. Signed-off-by: Lukáš Doktor <ldoktor@redhat.com> Reviewed-by: Eduardo Habkost <ehabkost@redhat.com> Message-Id: <20170818142613.32394-5-ldoktor@redhat.com> Reviewed-by: Cleber Rosa <crosa@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2017-09-15qemu.py: Use iteritems rather than keys()Lukáš Doktor
Let's avoid creating an in-memory list of keys and query for each value and use `iteritems` which is an iterator of key-value pairs. Signed-off-by: Lukáš Doktor <ldoktor@redhat.com> Reviewed-by: Eduardo Habkost <ehabkost@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <20170818142613.32394-4-ldoktor@redhat.com> Reviewed-by: Cleber Rosa <crosa@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2017-09-15qemu|qtest: Avoid dangerous argumentsLukáš Doktor
The list object is mutable in python and potentially might modify other object's arguments when used as default argument. Reproducer: >>> vm1 = QEMUMachine("qemu") >>> vm2 = QEMUMachine("qemu") >>> vm1._wrapper.append("foo") >>> print vm2._wrapper ['foo'] In this case the `args` is actually copied so it would be safe to keep it, but it's not a good practice to keep it. The same issue applies in inherited qtest module. Signed-off-by: Lukáš Doktor <ldoktor@redhat.com> Reviewed-by: Eduardo Habkost <ehabkost@redhat.com> Reviewed-by: John Snow <jsnow@redhat.com> Message-Id: <20170818142613.32394-3-ldoktor@redhat.com> Reviewed-by: Cleber Rosa <crosa@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2017-09-15qemu.py: Pylint/style fixesLukáš Doktor
No actual code changes, just several pylint/style fixes and docstring clarifications. Signed-off-by: Lukáš Doktor <ldoktor@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Message-Id: <20170818142613.32394-2-ldoktor@redhat.com> Reviewed-by: Cleber Rosa <crosa@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2017-09-08hw/ppc/spapr_cpu_core: Add a proper check for spapr machineThomas Huth
QEMU currently crashes when the user tries to add a spapr-cpu-core on a non-pseries machine: $ qemu-system-ppc64 -S -machine ppce500,accel=tcg \ -device POWER5+_v2.1-spapr-cpu-core hw/ppc/spapr_cpu_core.c:178:spapr_cpu_core_realize_child: Object 0x55cee1f55160 is not an instance of type spapr-machine Aborted (core dumped) So let's add a proper check for the correct machine time with a more friendly error message here. Reported-by: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: Thomas Huth <thuth@redhat.com> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2017-09-07hw/arm/allwinner-a10: Mark the allwinner-a10 device with user_creatable = falseThomas Huth
QEMU currently exits unexpectedly when the user accidentially tries to do something like this: $ aarch64-softmmu/qemu-system-aarch64 -S -M integratorcp -nographic QEMU 2.9.93 monitor - type 'help' for more information (qemu) device_add allwinner-a10 Unsupported NIC model: smc91c111 Exiting just due to a "device_add" should not happen. Looking closer at the the realize and instance_init function of this device also reveals that it is using serial_hds and nd_table directly there, so this device is clearly not creatable by the user and should be marked accordingly. Signed-off-by: Thomas Huth <thuth@redhat.com> Reviewed-by: Eduardo Habkost <ehabkost@redhat.com> Message-id: 1503416789-32080-1-git-send-email-thuth@redhat.com Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-09-05qemu.py: make VM() a context managerStefan Hajnoczi
There are a number of ways to ensure that the QEMU process is shut down when the test ends, including atexit.register(), try: finally:, or unittest.teardown() methods. All of these require extra code and the programmer must remember to add vm.shutdown(). A nice solution is context managers: with VM(binary) as vm: ... # vm is guaranteed to be shut down here Cc: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Eduardo Habkost <ehabkost@redhat.com> Message-id: 20170824072202.26818-2-stefanha@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2017-09-04qapi: drop the sentinel in enum arrayMarc-André Lureau
Now that all usages have been converted to user lookup helpers. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20170822132255.23945-14-marcandre.lureau@redhat.com> [Rebased, superfluous local variable dropped, missing check-qom-proplist.c update added] Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <1503564371-26090-17-git-send-email-armbru@redhat.com>
2017-09-04qapi: Change data type of the FOO_lookup generated for enum FOOMarc-André Lureau
Currently, a FOO_lookup is an array of strings terminated by a NULL sentinel. A future patch will generate enums with "holes". NULL-termination will cease to work then. To prepare for that, store the length in the FOO_lookup by wrapping it in a struct and adding a member for the length. The sentinel will be dropped next. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20170822132255.23945-13-marcandre.lureau@redhat.com> [Basically redone] Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <1503564371-26090-16-git-send-email-armbru@redhat.com> [Rebased]
2017-09-04qapi: Generate FOO_str() macro for QAPI enum FOOMarkus Armbruster
The next commit will put it to use. May look pointless now, but we're going to change the FOO_lookup's type, and then it'll help. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <1503564371-26090-13-git-send-email-armbru@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2017-09-04qdict: Add qdict_put_null() helper, and put it to useMarc-André Lureau
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20170825105913.4060-2-marcandre.lureau@redhat.com> [Update to qobject.cocci squashed in, commit message tweaked] Signed-off-by: Markus Armbruster <armbru@redhat.com>
2017-09-01qapi: Fix error handling code on alternate conflictEduardo Habkost
The conflict check added by commit c0644771 ("qapi: Reject alternates that can't work with keyval_parse()") doesn't work with the following declaration: { 'alternate': 'Alt', 'data': { 'one': 'bool', 'two': 'str' } } It crashes with: Traceback (most recent call last): File "./scripts/qapi-types.py", line 295, in <module> schema = QAPISchema(input_file) File "/home/ehabkost/rh/proj/virt/qemu/scripts/qapi.py", line 1468, in __init__ self.exprs = check_exprs(parser.exprs) File "/home/ehabkost/rh/proj/virt/qemu/scripts/qapi.py", line 958, in check_exprs check_alternate(expr, info) File "/home/ehabkost/rh/proj/virt/qemu/scripts/qapi.py", line 830, in check_alternate % (name, key, types_seen[qtype])) KeyError: 'QTYPE_QSTRING' This happens because the previously-seen conflicting member ('one') can't be found at types_seen[qtype], but at types_seen['QTYPE_BOOL']. Fix the bug by moving the error check to the same loop that adds new items to types_seen, raising an exception if types_seen[qt] is already set. Add two additional test cases that can detect the bug. Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Message-Id: <20170717180926.14924-1-ehabkost@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2017-08-30scripts: add argparse module for Python 2.6 compatibilityStefan Hajnoczi
The minimum Python version supported by QEMU is 2.6. The argparse standard library module was only added in Python 2.7. Many scripts would like to use argparse because it supports command-line sub-commands. This patch adds argparse. See the top of argparse.py for details. Suggested-by: Daniel P. Berrange <berrange@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Acked-by: John Snow <jsnow@redhat.com> Message-id: 20170825155732.15665-2-stefanha@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2017-08-15simpletrace: fix flight recorder --no-header optionStefan Hajnoczi
The simpletrace.py script can pretty-print flight recorder ring buffers. These are not full simpletrace binary trace files but just the end of a trace file. There is no header and the event ID mapping information is often unavailable since the ring buffer may have filled up and discarded event ID mapping records. The simpletrace.stp script that generates ring buffer traces uses the same trace-events-all input file as simpletrace.py. Therefore both scripts have the same global ordering of trace events. A dynamic event ID mapping isn't necessary: just use the trace-events-all file as the reference for how event IDs are numbered. It is now possible to analyze simpletrace.stp ring buffers again using: $ ./simpletrace.py trace-events-all path/to/ring-buffer Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Daniel P. Berrange <berrange@redhat.com> Message-id: 20170815084430.7128-3-stefanha@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2017-08-15trace: use static event ID mapping in simpletrace.stpStefan Hajnoczi
This is a partial revert of commit 7f1b588f20d027730676e627713ae3bbf6baab04 ("trace: emit name <-> ID mapping in simpletrace header"), which broke the SystemTap flight recorder because event mapping records may not be present in the ring buffer when the trace is analyzed. This means simpletrace.py --no-header does not know the event ID mapping needed to pretty-print the trace. Instead of numbering events dynamically, use a static event ID mapping as dictated by the event order in the trace-events-all file. The simpletrace.py script also uses trace-events-all so the next patch will fix the simpletrace.py --no-header option to take advantage of this knowledge. Cc: Daniel P. Berrange <berrange@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Daniel P. Berrange <berrange@redhat.com> Message-id: 20170815084430.7128-2-stefanha@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2017-08-01checkpatch: check trace-events code styleVladimir Sementsov-Ogievskiy
According to CODING_STYLE, check that in trace-events: 1. hex numbers are prefixed with '0x' 2. '#' flag of printf is not used 3. The exclusion from 1. are period-separated groups of numbers Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Message-id: 20170731160135.12101-4-vsementsov@virtuozzo.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2017-08-01trace: add TRACE_<event>_BACKEND_DSTATE()Stefan Hajnoczi
QEMU keeps track of trace event enabled/disabled state and provides monitor commands to inspect and modify the "dstate". SystemTap and LTTng UST maintain independent enabled/disabled states for each trace event, the other backends rely on QEMU dstate. Introduce a new per-event macro that combines backend-specific dstate like this: #define TRACE_MY_EVENT_BACKEND_DSTATE() ( \ QEMU_MY_EVENT_ENABLED() || /* SystemTap */ \ tracepoint_enabled(qemu, my_event) /* LTTng UST */ || \ false) This will be used to extend trace_event_get_state() in the next patch. [Daniel Berrange pointed out that QEMU_MY_EVENT_ENABLED() must be true by default, not false. This way events will fire even if the DTrace implementation does not implement the SystemTap semaphores feature. Ubuntu Precise uses lttng-ust-dev 2.0.2 which does not have tracepoint_enabled(), so we need a compatibility wrapper to keep Travis builds passing. --Stefan] Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Message-id: 20170731140718.22010-2-stefanha@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> fixup! trace: add TRACE_<event>_BACKEND_DSTATE()
2017-08-01trace: ensure unique function / variable names per .stp fileDaniel P. Berrange
The simpletrace compatibility code for systemtap creates a function and some global variables for mapping to event ID numbers. We generate multiple -simpletrace.stp files though, one per target and systemtap considers functions & variables to be globally scoped, not per file. So if trying to use the simpletrace compat probes, systemtap will complain: # stap -e 'probe qemu.system.arm.simpletrace.visit_type_str { print( "hello")}' semantic error: conflicting global variables: identifier 'event_name_to_id_map' at /usr/share/systemtap/tapset/qemu-aarch64-simpletrace.stp:3:8 source: global event_name_to_id_map ^ identifier 'event_name_to_id_map' at /usr/share/systemtap/tapset/qemu-system-arm-simpletrace.stp:3:8 source: global event_name_to_id_map ^ WARNING: cross-file global variable reference to identifier 'event_name_to_id_map' at /usr/share/systemtap/tapset/qemu-system-arm-simpletrace.stp:3:8 from: identifier 'event_name_to_id_map' at /usr/share/systemtap/tapset/qemu-aarch64-simpletrace.stp:8:21 source: if (!([name] in event_name_to_id_map)) { ^ WARNING: cross-file global variable reference to identifier 'event_next_id' at /usr/share/systemtap/tapset/qemu-system-arm-simpletrace.stp:4:8 from: identifier 'event_next_id' at :9:38 source: event_name_to_id_map[name] = event_next_id ^ We already have a string used to prefix probe names, so just replace '.' with '_' to get a function / variable name prefix Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-id: 20170728133657.5525-1-berrange@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2017-07-31docs: fix broken paths to docs/devel/tracing.txtPhilippe Mathieu-Daudé
With the move of some docs/ to docs/devel/ on ac06724a71, no references were updated. Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2017-07-31docs: fix broken paths to docs/devel/qapi-code-gen.txtPhilippe Mathieu-Daudé
With the move of some docs to docs/interop on ac06724a71, a couple of references were not updated. Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2017-07-24qapi: Introduce a first class 'null' typeMarkus Armbruster
I expect the 'null' type to be useful mostly for members of alternate types. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Daniel P. Berrange <berrange@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2017-07-20Merge remote-tracking branch ↵Peter Maydell
'remotes/kraxel/tags/misc-20170720-pull-request' into staging git orderfile and editorconfig for 2.10 # gpg: Signature made Thu 20 Jul 2017 09:00:01 BST # gpg: using RSA key 0x4CB6D8EED3E87138 # gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" # gpg: aka "Gerd Hoffmann <gerd@kraxel.org>" # gpg: aka "Gerd Hoffmann (private) <kraxel@gmail.com>" # Primary key fingerprint: A032 8CFF B93A 17A7 9901 FE7D 4CB6 D8EE D3E8 7138 * remotes/kraxel/tags/misc-20170720-pull-request: add editorconfig add scripts/git.orderfile Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-07-20add scripts/git.orderfileGerd Hoffmann
Based on a old patch by Laszlo. Time to get this in ... Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Emilio G. Cota <cota@braap.org> Message-id: 20170717101632.23247-1-kraxel@redhat.com
2017-07-19coccinelle: add a script to optimize tcg op using tcg_gen_extract()Philippe Mathieu-Daudé
The following thread was helpful while writing this script: https://github.com/coccinelle/coccinelle/issues/86 Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <20170718045540.16322-3-f4bug@amsat.org> Signed-off-by: Richard Henderson <rth@twiddle.net>
2017-07-18Merge remote-tracking branch ↵Peter Maydell
'remotes/ehabkost/tags/x86-and-machine-pull-request' into staging x86 and machine queue, 2017-07-17 # gpg: Signature made Mon 17 Jul 2017 19:46:14 BST # gpg: using RSA key 0x2807936F984DC5A6 # gpg: Good signature from "Eduardo Habkost <ehabkost@redhat.com>" # Primary key fingerprint: 5A32 2FD5 ABC4 D3DB ACCF D1AA 2807 936F 984D C5A6 * remotes/ehabkost/tags/x86-and-machine-pull-request: qmp: Include parent type on 'qom-list-types' output qmp: Include 'abstract' field on 'qom-list-types' output tests: Simplify abstract-interfaces check with a helper i386: add Skylake-Server cpu model i386: Update comment about XSAVES on Skylake-Client i386: expose "TCGTCGTCGTCG" in the 0x40000000 CPUID leaf fw_cfg: move QOM type defines and fw_cfg types into fw_cfg.h fw_cfg: move qdev_init_nofail() from fw_cfg_init1() to callers fw_cfg: switch fw_cfg_find() to locate the fw_cfg device by type rather than path qom: Fix ambiguous path detection when ambiguous=NULL Revert "machine: Convert abstract typename on compat_props to subclass names" test-qdev-global-props: Test global property ordering qdev: fix the order compat and global properties are applied tests: Test case for object_resolve_path*() device-crash-test: Fix regexp on whitelist Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-07-17device-crash-test: Fix regexp on whitelistEduardo Habkost
The "||" in the whitelist entry was not escaped, making the regexp match all strings, on every single cases where QEMU aborted. Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Message-Id: <20170614144939.1115-1-ehabkost@redhat.com>
2017-07-17Merge remote-tracking branch 'remotes/stefanha/tags/tracing-pull-request' ↵Peter Maydell
into staging # gpg: Signature made Mon 17 Jul 2017 13:11:17 BST # gpg: using RSA key 0x9CA4ABB381AB73C8 # gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>" # gpg: aka "Stefan Hajnoczi <stefanha@gmail.com>" # Primary key fingerprint: 8695 A8BF D3F9 7CDA AC35 775A 9CA4 ABB3 81AB 73C8 * remotes/stefanha/tags/tracing-pull-request: trace: update old trace events in docs trace: [trivial] Statically enable all guest events trace: [tcg, trivial] Re-align generated code trace: [tcg] Do not generate TCG code to trace dynamically-disabled events exec: [tcg] Use different TBs according to the vCPU's dynamic tracing state trace: [tcg] Delay changes to dynamic state when translating trace: Allocate cpu->trace_dstate in place Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-07-17trace: [tcg, trivial] Re-align generated codeLluís Vilanova
Last patch removed a nesting level in generated code. Re-align all code generated by backends to be 4-column aligned. Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu> Signed-off-by: Emilio G. Cota <cota@braap.org> Message-id: 149915824586.6295.17820926011082409033.stgit@frigg.lan Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2017-07-17trace: [tcg] Do not generate TCG code to trace dynamically-disabled eventsLluís Vilanova
If an event is dynamically disabled, the TCG code that calls the execution-time tracer is not generated. Removes the overheads of execution-time tracers for dynamically disabled events. As a bonus, also avoids checking the event state when the execution-time tracer is called from TCG-generated code (since otherwise TCG would simply not call it). Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu> Signed-off-by: Emilio G. Cota <cota@braap.org> Message-id: 149915799921.6295.13067154430923434035.stgit@frigg.lan Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2017-07-14scripts/coccinelle/memory-region-init-ram.cocci: New scriptPeter Maydell
Add a coccinelle script that can be used to automatically convert manual sequences of memory_region_init_ram_nomigrate() vmstate_register_ram{,_global}() to use the new memory_region_init_ram() Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Message-id: 1499438577-7674-7-git-send-email-peter.maydell@linaro.org
2017-07-14Merge remote-tracking branch 'remotes/armbru/tags/pull-error-2017-07-13' ↵Peter Maydell
into staging Error reporting patches for 2017-07-13 # gpg: Signature made Thu 13 Jul 2017 12:55:45 BST # gpg: using RSA key 0x3870B400EB918653 # gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" # gpg: aka "Markus Armbruster <armbru@pond.sub.org>" # Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867 4E5F 3870 B400 EB91 8653 * remotes/armbru/tags/pull-error-2017-07-13: Convert error_report*_err() to warn_report*_err() error: Implement the warn and free Error functions char-socket: Report TCP socket waiting as information Convert error_report() to warn_report() error: Functions to report warnings and informational messages util/qemu-error: Rename error_print_loc() to be more generic websock: Don't try to set *errp directly block: Don't try to set *errp directly xilinx: Fix latent error handling bug Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-12 02:59:11 +0000