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2011-10-27qapi-commands.py: Don't call the output marshal on errorLuiz Capitulino1-1/+3
Today we generate something like this: int qmp_marshal_input_query_foo(...) ... retval = qmp_query_foo(errp); qmp_marshal_output_query_foo(retval, ret, errp); ... However, if qmp_query_foo() fails 'retval' will probably be NULL, which can cause a segfault as not all visitors check if 'retval' is valid. This commit fixes that by changing the code generator to only call the output marshal if qmp_query_foo() succeeds, like this: retval = qmp_query_foo(errp); if (!error_is_set(errp)) { qmp_marshal_output_query_foo(retval, ret, errp); } Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2011-10-15scripts: Simpletrace log analysis script for pretty-printing 9p log.Harsh Prateek Bora1-0/+142
This python script allows to pretty print 9p simpletrace logs and can be further enhanced to filter 9p logs based on command line arguments. Sample output: TGETATTR (tag = 1 , fid = 0 , request_mask = 0x7ff ) RGETATTR (tag = 1 , result_mask = 0x7ff , mode = 040777 , uid = 500 , gid = 500 ) TXATTRWALK (tag = 1 , fid = 0 , newfid = 1 , xattr name = 36832096 ) RXATTRWALK (tag = 1 , xattrsize = 18446744073709551555 ) TXATTRWALK (tag = 1 , fid = 0 , newfid = 1 , xattr name = 36744768 ) RXATTRWALK (tag = 1 , xattrsize = 18446744073709551555 ) TGETATTR (tag = 1 , fid = 1 , request_mask = 0x3fff ) RGETATTR (tag = 1 , result_mask = 0x17ff , mode = 040777 , uid = 500 , gid = 500 ) TWALK (tag = 1 , fid = 1 , newfid = 2 , nwnames = 1 ) RWALK (tag = 1 , nwnames = 1 , qids = 0x230aea0 ) Signed-off-by: Harsh Prateek Bora <harsh@linux.vnet.ibm.com> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
2011-10-04qapi: Automatically generate a _MAX value for enumsLuiz Capitulino1-1/+4
It's the last value in the enum and is very useful for the C implementation. Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2011-10-04qapi: Don't use c_var() on enum stringsLuiz Capitulino1-1/+1
Otherwise if we have something like 'foo-bar' in the schema, it will be generated as 'foo_bar' in the string lookup table. c_var() is good for C variables, but not for enum strings. Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2011-10-04qapi: modify visitor code generation for list iterationMichael Roth1-2/+2
Modify logic such that we never assign values to the list head argument to progress through the list on subsequent iterations, instead rely only on having our return value passed back in as an argument on the next call. Also update QMP I/O visitors and test cases accordingly, and add a missing test case for QmpOutputVisitor. Reviewed-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2011-10-04qapi: generate qapi_free_* functions for *List typesMichael Roth1-0/+2
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2011-10-04qapi: fixup command generation for functions that return list typesAnthony Liguori1-8/+15
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2011-10-04qapi: add code generation support for middle modeAnthony Liguori3-15/+71
To get the ball rolling merging QAPI, this patch introduces a "middle mode" to the code generator. In middle mode, the code generator generates marshalling functions that are compatible with the current QMP server. We absolutely need to replace the current QMP server in order to support proper asynchronous commands but using a middle mode provides a middle-ground that lets us start converting commands in tree. Note that all of the commands have been converted already in my glib branch. Middle mode only exists until we finish merging them from my branch into the main tree. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2011-09-17trace: allow PRI*64 at beginning and ending of format stringStefan Hajnoczi1-7/+13
The tracetool parser only picks up PRI*64 and other format string macros when enclosed between double quoted strings. Lift this restriction by extracting everything after the closing ')' as the format string: cpu_set_apic_base(uint64_t val) "%016"PRIx64 ^^ ^^ One trick here: it turns out that backslashes in the format string like "\n" were being interpreted by echo(1). Fix this by using the POSIX printf(1) command instead. Although it normally does not make sense to include backslashes in trace event format strings, an injected newline causes tracetool to emit a broken header file and I want to eliminate cases where broken output is emitted, even if the input was bad. Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-09-01simpletrace: fix process() argument countStefan Hajnoczi1-2/+2
The simpletrace.process() function invokes analyzer methods with the wrong number of arguments if a timestamp should be included. This patch fixes the issue so that trace analysis scripts can make use of timestamps. Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
2011-09-01trace: [stderr] add support for dynamically enabling/disabling eventsLluís1-5/+28
Uses the generic interface provided in "trace/control.h" in order to provide a programmatic interface as well as command line and monitor controls. Signed-off-by: Fabien Chouteau <chouteau@adacore.com> Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
2011-09-01trace: [simple] disable all trace points by defaultLluís1-7/+2
Note that this refers to the backend-specific state (whether the output must be generated), not the event "disabled" property (which always uses the "nop" backend). Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
2011-09-01trace: always use the "nop" backend on events with the "disable" keywordLluís1-13/+2
Any event with the keyword/property "disable" generates an empty trace event using the "nop" backend, regardless of the current backend. Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
2011-09-01trace: generalize the "property" concept in the trace-events fileLluís1-40/+33
This adds/modifies the following functions: * get_name: Get _only_ the event name * has_property: Return whether an event has a property (keyword before the event name) Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
2011-09-01trace: move backend-specific code into the trace/ directoryLluís1-1/+1
Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
2011-08-27checkpatch: fix braces {} handlingPavel Borzenkov1-1/+1
checkpatch.pl doesn't report warning for if/else statements with missing 'else' braces: if (something) { foo; } else bar; The patch has been tested using the last 100 commits. Signed-off-by: Pavel Borzenkov <pavel.borzenkov@gmail.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-08-12qapi: fix build issue due to missing newline in generated headerMichael Roth1-1/+1
Fixes a build issue on RHEL5, and potentially other distros, where gcc will generate an error due to us not writing a trailing "\n" when generating *qmp-commands.h Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-07-21qapi: add qapi-commands.py code generatorMichael Roth1-0/+385
This is the code generator for qapi command marshaling/dispatch. Currently only generators for synchronous qapi/qmp functions are supported. This script generates the following files: $(prefix)qmp-marshal.c: command marshal/dispatch functions for each QMP command defined in the schema. Functions generated by qapi-visit.py are used to convert qobjects recieved from the wire into function parameters, and uses the same visiter functions to convert native C return values to qobjects from transmission back over the wire. $(prefix)qmp-commands.h: Function prototypes for the QMP commands specified in the schema. $(prefix) is used in the same manner as with qapi-types.py Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Luiz Capitulino <lcapitulino@gmail.com>
2011-07-21qapi: add qapi-visit.py code generatorMichael Roth1-0/+246
This is the code generator for qapi visiter functions used to marshal/unmarshal/dealloc qapi types. It generates the following 2 files: $(prefix)qapi-visit.c: visiter function for a particular c type, used to automagically convert qobjects into the corresponding C type and vice-versa, and well as for deallocation memory for an existing C type $(prefix)qapi-visit.h: declarations for previously mentioned visiter functions $(prefix) is used as decribed for qapi-types.py Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Luiz Capitulino <lcapitulino@gmail.com>
2011-07-21qapi: add qapi-types.py code generatorMichael Roth1-0/+270
This is the code generator for qapi types. It will generation the following files: $(prefix)qapi-types.h - C types corresponding to types defined in the schema you pass in $(prefix)qapi-types.c - Cleanup functions for the above C types The $(prefix) is used to as a namespace to keep the generated code from one schema/code-generation separated from others so code and be generated from multiple schemas with clobbering previously created code. Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Luiz Capitulino <lcapitulino@gmail.com>
2011-07-21qapi: add qapi.py helper librariesMichael Roth1-0/+203
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Luiz Capitulino <lcapitulino@gmail.com>
2011-07-21qapi: add ordereddict.py helper libraryMichael Roth1-0/+127
We need this to parse dictionaries with schema ordering intact so that C prototypes can be generated deterministically. Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Luiz Capitulino <lcapitulino@gmail.com>
2011-07-20checkpatch: Fix bracing false positives on #ifBlue Swirl1-0/+1
789f88d0b21fedfd4251d56bb7a9fbfbda7a4ac7 only fixed #else, fix also #if. Reviewed-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-07-17checkpatch: don't error out on },{ linesAlexander Graf1-1/+3
When having code like this: static PCIDeviceInfo piix_ide_info[] = { { .qdev.name = "piix3-ide", .qdev.size = sizeof(PCIIDEState), .qdev.no_user = 1, .no_hotplug = 1, .init = pci_piix_ide_initfn, .vendor_id = PCI_VENDOR_ID_INTEL, .device_id = PCI_DEVICE_ID_INTEL_82371SB_1, .class_id = PCI_CLASS_STORAGE_IDE, },{ .qdev.name = "piix4-ide", .qdev.size = sizeof(PCIIDEState), .qdev.no_user = 1, .no_hotplug = 1, .init = pci_piix_ide_initfn, .vendor_id = PCI_VENDOR_ID_INTEL, .device_id = PCI_DEVICE_ID_INTEL_82371AB, .class_id = PCI_CLASS_STORAGE_IDE, },{ /* end of list */ } }; checkpatch currently errors out, claiming that spaces need to follow commas. However, this particular style of defining structs is pretty common in qemu code and very readable. So let's declare it as supported for the above case. Reported-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Alexander Graf <agraf@suse.de>
2011-06-22Merge remote-tracking branch 'qemu-kvm/uq/master' into stagingAnthony Liguori1-0/+55
2011-06-20Add kernel header update scriptJan Kiszka1-0/+55
This helper pulls the required kernel headers for KVM and vhost into a specified directory. The update is triggered via scripts/update-linux-headers.sh LINUX_PATH and will place the output under linux-headers/linux and linux-headers/asm-*. It also imports the COPYING to care for headers without an explicit license. CC: Alexander Graf <agraf@suse.de> CC: Christoph Hellwig <hch@lst.de> CC: Peter Maydell <peter.maydell@linaro.org> CC: Andreas Färber <andreas.faerber@web.de> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
2011-06-16get_maintainer: update to match qemu treeMichael S. Tsirkin1-22/+12
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2011-06-15get_maintainer.pl: copy utility from LinuxMichael S. Tsirkin1-0/+2159
Our MAINTAINERS file format matches Linux so get the utility to parse it from there. Updated as of linux 3.0-rc3 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2011-05-20s390x: s390x-linux-user supportUlrich Hecht1-1/+3
This patch adds support for running s390x binaries in the linux-user emulation code. Signed-off-by: Ulrich Hecht <uli@suse.de> Signed-off-by: Alexander Graf <agraf@suse.de>
2011-04-26trace: [ust] fix generation of 'trace.c' on events without argsLluís1-3/+4
Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu> Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
2011-04-26tracetool: allow ) in trace output stringPaolo Bonzini1-1/+1
Be greedy in matching the trailing "\)*" pattern. Otherwise, all the text in the trace string up to the last closed parenthesis is taken as part of the prototype. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
2011-04-18PXE: Refresh all PXE ROMs from the ipxe submoduleAlex Williamson1-0/+99
Add script to make this easy to repeat later. Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2011-03-07simpletrace: Thread-safe tracingStefan Hajnoczi1-1/+2
Trace events outside the global mutex cannot be used with the simple trace backend since it is not thread-safe. There is no check to prevent them being enabled so people sometimes learn this the hard way. This patch restructures the simple trace backend with a ring buffer suitable for multiple concurrent writers. A writeout thread empties the trace buffer when threshold fill levels are reached. Should the writeout thread be unable to keep up with trace generation, records will simply be dropped. Each time events are dropped a special record is written to the trace file indicating how many events were dropped. The event ID is 0xfffffffffffffffe and its signature is dropped(uint32_t count). Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
2011-03-06tracetool: Add optional argument to specify dtrace probe namesJes Sorensen1-6/+13
Optional feature allowing a user to generate the probe list to match the name of the binary, in case they wish to install qemu under a different name than qemu-{system,user},<arch> Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Acked-by: Paolo Bonzini <pbonzini@redhat.com> Acked-by: Stefan Hajnoczi <stefaha@linux.vnet.ibm.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-03-06simpletrace: Make simpletrace.py a Python moduleStefan Hajnoczi1-33/+90
The simpletrace.py script pretty-prints a binary trace file. Most of the code can be reused by trace file analysis scripts, so turn it into a module. Here is an example script that uses the new simpletrace module: #!/usr/bin/env python # Print virtqueue elements that were never returned to the guest. import simpletrace class VirtqueueRequestTracker(simpletrace.Analyzer): def __init__(self): self.elems = set() def virtqueue_pop(self, vq, elem, in_num, out_num): self.elems.add(elem) def virtqueue_fill(self, vq, elem, length, idx): self.elems.remove(elem) def end(self): for elem in self.elems: print hex(elem) simpletrace.run(VirtqueueRequestTracker()) The simpletrace API is based around the Analyzer class. Users implement an analyzer subclass and add methods for trace events they want to process. A catchall() method is invoked for trace events which do not have dedicated methods. Finally, there are also begin() and end() methods like in sed that can be used to perform setup or print statistics at the end. A binary trace file is processed either with: simpletrace.run(analyzer) # uses command-line args or with: simpletrace.process('path/to/trace-events', 'path/to/trace-file', analyzer) Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-02-05checkpatch.pl: don't complain about old lines with tabsBlue Swirl1-1/+1
Don't complain when the patch includes lines with tabs only in the hunk's untouched context. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-01-29New trace-event backend: stderrFabien Chouteau1-2/+58
This backend sends trace events to standard error output during the emulation. Also add a "--list-backends" option to tracetool, so configure script can display the list of available backends. Signed-off-by: Fabien Chouteau <chouteau@adacore.com> Acked-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-01-23gdbstub-xml: avoid a warning from sparseBlue Swirl1-0/+3
Include a header to get the declaration for xml_builtin. This avoids a warning from sparse: CC m68k-softmmu/gdbstub-xml.o gdbstub-xml.c:244:12: warning: symbol 'xml_builtin' was not declared. Should it be static? Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-01-21checkpatch: Fix bracing false positives on #elseJan Kiszka1-1/+2
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-01-20checkpatch: adjust to QEMUismsBlue Swirl1-46/+18
Change checkpatch.pl for QEMU use: - Root directory detection - Forbid tabs - Indent at 4 spaces - Allow typedefs - Enforce brace use even for single statement blocks - Don't suggest nonexistent cleanup tools Mention the script in CODING_STYLE. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-01-20Add checkpatch.pl from Linux kernelBlue Swirl1-0/+2937
Unchanged import from http://www.kernel.org/pub/linux/kernel/people/apw/checkpatch/checkpatch.pl-0.31 Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-01-20Add scripts directoryBlue Swirl9-0/+1562
Move build and user scripts into scripts directory. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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