Merge tag 'tracing-pull-request' of https://gitlab.com/stefanha/qemu into staging

Pull request

- Mads Ynddal's improvements to simpletrace.py

# -----BEGIN PGP SIGNATURE-----
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Merge tag 'tracing-pull-request' of https://gitlab.com/stefanha/qemu into staging

Pull request

- Mads Ynddal's improvements to simpletrace.py

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# gpg: Signature made Thu 28 Sep 2023 09:44:00 EDT
# gpg: using RSA key 8695A8BFD3F97CDAAC35775A9CA4ABB381AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>" [ultimate]
# gpg: aka "Stefan Hajnoczi <stefanha@gmail.com>" [ultimate]
# Primary key fingerprint: 8695 A8BF D3F9 7CDA AC35 775A 9CA4 ABB3 81AB 73C8

* tag 'tracing-pull-request' of https://gitlab.com/stefanha/qemu:
scripts/analyse-locks-simpletrace.py: changed iteritems() to items()
MAINTAINERS: add maintainer of simpletrace.py
simpletrace: added simplified Analyzer2 class
simpletrace: move event processing to Analyzer class
simpletrace: move logic of process into internal function
simpletrace: refactor to separate responsibilities
simpletrace: made Analyzer into context-manager
simpletrace: define exception and add handling
simpletrace: improved error handling on struct unpack
simpletrace: update code for Python 3.11
simpletrace: changed naming of edict and idtoname to improve readability
simpletrace: improve parsing of sys.argv; fix files never closed.
simpletrace: annotate magic constants from QEMU code
simpletrace: add __all__ to define public interface

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

show more ...

simpletrace: added simplified Analyzer2 class

By moving the dynamic argument construction to keyword-arguments,
we can remove all of the specialized handling, and streamline it.
If a tracing method

simpletrace: added simplified Analyzer2 class

By moving the dynamic argument construction to keyword-arguments,
we can remove all of the specialized handling, and streamline it.
If a tracing method wants to access these, they can define the
kwargs, or ignore it be placing `**kwargs` at the end of the
function's arguments list.

Added deprecation warning to Analyzer class to make users aware
of the Analyzer2 class. No removal date is planned.

Signed-off-by: Mads Ynddal <m.ynddal@samsung.com>
Message-id: 20230926103436.25700-13-mads@ynddal.dk
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

show more ...

simpletrace: move event processing to Analyzer class

Moved event processing to the Analyzer class to separate specific analyzer
logic (like caching and function signatures) from the _process functio

simpletrace: move event processing to Analyzer class

Moved event processing to the Analyzer class to separate specific analyzer
logic (like caching and function signatures) from the _process function.
This allows for new types of Analyzer-based subclasses without changing
the core code.

Note, that the fn_cache is important for performance in cases where the
analyzer is branching away from the catch-all a lot. The cache has no
measurable performance penalty.

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Mads Ynddal <m.ynddal@samsung.com>
Message-id: 20230926103436.25700-12-mads@ynddal.dk
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

show more ...

simpletrace: move logic of process into internal function

To avoid duplicate code depending on input types and to better handle
open/close of log with a context-manager, we move the logic of process

simpletrace: move logic of process into internal function

To avoid duplicate code depending on input types and to better handle
open/close of log with a context-manager, we move the logic of process into
_process.

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Mads Ynddal <m.ynddal@samsung.com>
Message-id: 20230926103436.25700-11-mads@ynddal.dk
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

show more ...

simpletrace: refactor to separate responsibilities

Moved event_mapping and event_id_to_name down one level in the function
call-stack to keep variable instantiation and usage closer (`process`
and `

simpletrace: refactor to separate responsibilities

Moved event_mapping and event_id_to_name down one level in the function
call-stack to keep variable instantiation and usage closer (`process`
and `run` has no use of the variables; `read_trace_records` does).

Instead of passing event_mapping and event_id_to_name to the bottom of
the call-stack, we move their use to `read_trace_records`. This
separates responsibility and ownership of the information.

`read_record` now just reads the arguments from the file-object by
knowning the total number of bytes. Parsing it to specific arguments is
moved up to `read_trace_records`.

Special handling of dropped events removed, as they can be handled
by the general code.

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Mads Ynddal <m.ynddal@samsung.com>
Message-id: 20230926103436.25700-10-mads@ynddal.dk
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

show more ...

simpletrace: made Analyzer into context-manager

Instead of explicitly calling `begin` and `end`, we can change the class
to use the context-manager paradigm. This is mostly a styling choice,
used in

simpletrace: made Analyzer into context-manager

Instead of explicitly calling `begin` and `end`, we can change the class
to use the context-manager paradigm. This is mostly a styling choice,
used in modern Python code. But it also allows for more advanced analyzers
to handle exceptions gracefully in the `__exit__` method (not
demonstrated here).

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Mads Ynddal <m.ynddal@samsung.com>
Message-id: 20230926103436.25700-9-mads@ynddal.dk
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

show more ...

simpletrace: define exception and add handling

Define `SimpleException` to differentiate our exceptions from generic
exceptions (IOError, etc.). Adapted simpletrace to support this and
output to std

simpletrace: define exception and add handling

Define `SimpleException` to differentiate our exceptions from generic
exceptions (IOError, etc.). Adapted simpletrace to support this and
output to stderr.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Mads Ynddal <m.ynddal@samsung.com>
Message-id: 20230926103436.25700-8-mads@ynddal.dk
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

show more ...

simpletrace: improved error handling on struct unpack

A failed call to `read_header` wouldn't be handled the same for the two
different code paths (one path would try to use `None` as a list).
Chang

simpletrace: improved error handling on struct unpack

A failed call to `read_header` wouldn't be handled the same for the two
different code paths (one path would try to use `None` as a list).
Changed to raise exception to be handled centrally. This also allows for
easier unpacking, as errors has been filtered out.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Mads Ynddal <m.ynddal@samsung.com>
Message-id: 20230926103436.25700-7-mads@ynddal.dk
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

show more ...

simpletrace: update code for Python 3.11

The call to `getargspec` was deprecated and in Python 3.11 it has been
removed in favor of `getfullargspec`. `getfullargspec` is compatible
with QEMU's requi

simpletrace: update code for Python 3.11

The call to `getargspec` was deprecated and in Python 3.11 it has been
removed in favor of `getfullargspec`. `getfullargspec` is compatible
with QEMU's requirement of at least Python version 3.6.

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Mads Ynddal <m.ynddal@samsung.com>
Message-id: 20230926103436.25700-6-mads@ynddal.dk
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

show more ...

simpletrace: changed naming of edict and idtoname to improve readability

Readability is subjective, but I've expanded the naming of the variables
and arguments, to help with understanding for new ey

simpletrace: changed naming of edict and idtoname to improve readability

Readability is subjective, but I've expanded the naming of the variables
and arguments, to help with understanding for new eyes on the code.

Signed-off-by: Mads Ynddal <m.ynddal@samsung.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 20230926103436.25700-5-mads@ynddal.dk
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

show more ...

simpletrace: improve parsing of sys.argv; fix files never closed.

The arguments extracted from `sys.argv` named and unpacked to make it
clear what the arguments are and what they're used for.

The t

simpletrace: improve parsing of sys.argv; fix files never closed.

The arguments extracted from `sys.argv` named and unpacked to make it
clear what the arguments are and what they're used for.

The two input files were opened, but never explicitly closed. File usage
changed to use `with` statement to take care of this. At the same time,
ownership of the file-object is moved up to `run` function. Added option
to process to support file-like objects.

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Mads Ynddal <m.ynddal@samsung.com>
Message-id: 20230926103436.25700-4-mads@ynddal.dk
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

show more ...

simpletrace: annotate magic constants from QEMU code

It wasn't clear where the constants and structs came from, so I added
comments to help.

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signe

simpletrace: annotate magic constants from QEMU code

It wasn't clear where the constants and structs came from, so I added
comments to help.

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Mads Ynddal <m.ynddal@samsung.com>
Message-id: 20230926103436.25700-3-mads@ynddal.dk
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

show more ...

simpletrace: add __all__ to define public interface

It was unclear what was the supported public interface. I.e. when
refactoring the code, what functions/classes are important to retain.

Reviewed-

simpletrace: add __all__ to define public interface

It was unclear what was the supported public interface. I.e. when
refactoring the code, what functions/classes are important to retain.

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Mads Ynddal <m.ynddal@samsung.com>
Message-id: 20230926103436.25700-2-mads@ynddal.dk
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

show more ...

Merge remote-tracking branch 'remotes/thuth-gitlab/tags/pull-request-2021-06-02' into staging

* Update the references to some doc files (use *.rst instead of *.txt)
* Bump minimum versions of some r

Merge remote-tracking branch 'remotes/thuth-gitlab/tags/pull-request-2021-06-02' into staging

* Update the references to some doc files (use *.rst instead of *.txt)
* Bump minimum versions of some requirements after removing CentOS 7 support

# gpg: Signature made Wed 02 Jun 2021 08:12:18 BST
# gpg: using RSA key 27B88847EEE0250118F3EAB92ED9D774FE702DB5
# gpg: issuer "thuth@redhat.com"
# gpg: Good signature from "Thomas Huth <th.huth@gmx.de>" [full]
# gpg: aka "Thomas Huth <thuth@redhat.com>" [full]
# gpg: aka "Thomas Huth <huth@tuxfamily.org>" [full]
# gpg: aka "Thomas Huth <th.huth@posteo.de>" [unknown]
# Primary key fingerprint: 27B8 8847 EEE0 2501 18F3 EAB9 2ED9 D774 FE70 2DB5

* remotes/thuth-gitlab/tags/pull-request-2021-06-02:
configure: bump min required CLang to 6.0 / XCode 10.0
configure: bump min required GCC to 7.5.0
configure: bump min required glib version to 2.56
tests/docker: drop CentOS 7 container
tests/vm: convert centos VM recipe to CentOS 8
crypto: drop used conditional check
crypto: bump min gnutls to 3.5.18, dropping RHEL-7 support
crypto: bump min gcrypt to 1.8.0, dropping RHEL-7 support
crypto: drop back compatibility typedefs for nettle
crypto: bump min nettle to 3.4, dropping RHEL-7 support
patchew: move quick build job from CentOS 7 to CentOS 8 container
block/ssh: Bump minimum libssh version to 0.8.7
docs: fix references to docs/devel/s390-dasd-ipl.rst
docs: fix references to docs/specs/tpm.rst
docs: fix references to docs/devel/build-system.rst
docs: fix references to docs/devel/atomics.rst
docs: fix references to docs/devel/tracing.rst

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

show more ...

docs: fix references to docs/devel/tracing.rst

Commit e50caf4a5c ("tracing: convert documentation to rST")
converted docs/devel/tracing.txt to docs/devel/tracing.rst.

We still have several referenc

docs: fix references to docs/devel/tracing.rst

Commit e50caf4a5c ("tracing: convert documentation to rST")
converted docs/devel/tracing.txt to docs/devel/tracing.rst.

We still have several references to the old file, so let's fix them
with the following command:

sed -i s/tracing.txt/tracing.rst/ $(git grep -l docs/devel/tracing.txt)

Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20210517151702.109066-2-sgarzare@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>

show more ...

Merge remote-tracking branch 'remotes/stefanha-gitlab/tags/tracing-pull-request' into staging

Pull request

# gpg: Signature made Mon 01 Feb 2021 15:46:52 GMT
# gpg: using RSA key 869

Merge remote-tracking branch 'remotes/stefanha-gitlab/tags/tracing-pull-request' into staging

Pull request

# gpg: Signature made Mon 01 Feb 2021 15:46:52 GMT
# gpg: using RSA key 8695A8BFD3F97CDAAC35775A9CA4ABB381AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>" [full]
# gpg: aka "Stefan Hajnoczi <stefanha@gmail.com>" [full]
# Primary key fingerprint: 8695 A8BF D3F9 7CDA AC35 775A 9CA4 ABB3 81AB 73C8

* remotes/stefanha-gitlab/tags/tracing-pull-request:
trace: update docs with meson build information
trace: document how to specify multiple --trace patterns
simpletrace: build() missing 2 required positional arguments
trace: make the 'log' backend timestamp configurable
error: rename error_with_timestamp to message_with_timestamp
trace: add meson custom_target() depend_files for tracetool
tracetool: also strip %l and %ll from systemtap format strings
tracetool: fix "PRI" macro decoding
trace: recommend "log" backend for getting started with tracing
tracing: convert documentation to rST
trace: fix simpletrace doc mismerge

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

show more ...

simpletrace: build() missing 2 required positional arguments

Commit 4e66c9ef64 "tracetool: add input filename and line number to
Event" forgot to add a line number and a filename argument at one
bui

simpletrace: build() missing 2 required positional arguments

Commit 4e66c9ef64 "tracetool: add input filename and line number to
Event" forgot to add a line number and a filename argument at one
build method call site.

Traceback (most recent call last):
File "./scripts/simpletrace.py", line 261, in <module>
run(Formatter())
File "./scripts/simpletrace.py", line 236, in run
process(events, sys.argv[2], analyzer, read_header=read_header)
File "./scripts/simpletrace.py", line 177, in process
dropped_event =
Event.build("Dropped_Event(uint64_t num_events_dropped)")
TypeError: build() missing 2 required positional arguments:
'lineno' and 'filename'

Add the missing arguments.

Signed-off-by: Volker Rümelin <vr_qemu@t-online.de>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20210131173415.3392-1-vr_qemu@t-online.de
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

show more ...

Merge remote-tracking branch 'remotes/philmd-gitlab/tags/python-next-20200207' into staging

- Python 3 cleanups:
. Remove text about Python 2 in qemu-deprecated (Thomas)
. Remove shebang header

Merge remote-tracking branch 'remotes/philmd-gitlab/tags/python-next-20200207' into staging

- Python 3 cleanups:
. Remove text about Python 2 in qemu-deprecated (Thomas)
. Remove shebang header (Paolo, Philippe)
. scripts/checkpatch.pl now allows Python 3 interpreter (Philippe)
. Explicit usage of Python 3 interpreter in scripts (Philippe)
. Fix Python scripts permissions (Paolo, Philippe)
. Drop 'from __future__ import print_function' (Paolo)
. Specify minimum python requirements in ReadTheDocs configuration (Alex)
- Test UNIX/EXEC transports with migration (Oksana)
- Added extract_from_rpm helper, improved extract_from_deb (Liam)
- Allow to use other serial consoles than default one (Philippe)
- Various improvements in QEMUMonitorProtocol (Wainer)
- Fix kvm_available() on ppc64le (Wainer)

# gpg: Signature made Fri 07 Feb 2020 15:01:56 GMT
# gpg: using RSA key FAABE75E12917221DCFD6BB2E3E32C2CDEADC0DE
# gpg: Good signature from "Philippe Mathieu-Daudé (F4BUG) <f4bug@amsat.org>" [full]
# Primary key fingerprint: FAAB E75E 1291 7221 DCFD 6BB2 E3E3 2C2C DEAD C0DE

* remotes/philmd-gitlab/tags/python-next-20200207: (46 commits)
.readthedocs.yml: specify some minimum python requirements
drop "from __future__ import print_function"
make all Python scripts executable
scripts/signrom: remove Python 2 support, add shebang
tests/qemu-iotests/check: Only check for Python 3 interpreter
scripts: Explicit usage of Python 3 (scripts without __main__)
tests/qemu-iotests: Explicit usage of Python3 (scripts without __main__)
tests/vm: Remove shebang header
tests/acceptance: Remove shebang header
scripts/tracetool: Remove shebang header
scripts/minikconf: Explicit usage of Python 3
scripts: Explicit usage of Python 3 (scripts with __main__)
tests: Explicit usage of Python 3
tests/qemu-iotests: Explicit usage of Python 3 (scripts with __main__)
tests/qemu-iotests/check: Allow use of python3 interpreter
scripts/checkpatch.pl: Only allow Python 3 interpreter
tests/acceptance/migration: Default to -nodefaults
tests/acceptance/migration: Add the 'migration' tag
tests/acceptance/migration: Test EXEC transport when migrating
tests/acceptance/migration: Test UNIX transport when migrating
...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

show more ...

drop "from __future__ import print_function"

This is only needed for Python 2, which we do not support anymore.

Cc: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini

drop "from __future__ import print_function"

This is only needed for Python 2, which we do not support anymore.

Cc: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Acked-by: Alex Bennée <alex.bennee@linaro.org>
Acked-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20200204160604.19883-1-pbonzini@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>

show more ...

scripts: Explicit usage of Python 3 (scripts with __main__)

Use the program search path to find the Python 3 interpreter.

Patch created mechanically by running:

$ sed -i "s,^#\!/usr/bin/\(env\ \

scripts: Explicit usage of Python 3 (scripts with __main__)

Use the program search path to find the Python 3 interpreter.

Patch created mechanically by running:

$ sed -i "s,^#\!/usr/bin/\(env\ \)\?python$,#\!/usr/bin/env python3," \
$(git grep -l 'if __name__.*__main__')

Reported-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Suggested-by: Daniel P. Berrangé <berrange@redhat.com>
Suggested-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20200130163232.10446-6-philmd@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>

show more ...

Merge remote-tracking branch 'remotes/ehabkost/tags/python-next-pull-request' into staging

Python queue, 2019-01-17

Fixes:
* Actually test different Python versions on Travis CI
* Fix qemu.py error

Merge remote-tracking branch 'remotes/ehabkost/tags/python-next-pull-request' into staging

Python queue, 2019-01-17

Fixes:
* Actually test different Python versions on Travis CI
* Fix qemu.py error message when qemu dies from signal

Cleanups:
* Track Python version on config-host.mak
* Remove fixed crashes from scripts/device-crash-test
* Acceptance tests: Linux initrd checking test
* Fix utf-8 mangling at scripts/replay-dump.py
* Remove unused python imports from multiple scripts

# gpg: Signature made Thu 17 Jan 2019 20:16:41 GMT
# gpg: using RSA key 2807936F984DC5A6
# 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:
scripts/replay-dump.py: fix utf-8 mangling
qemu.py: Fix error message when qemu dies from signal
Acceptance tests: add Linux initrd checking test
check-help: visual and content improvements
Travis CI: make specified Python versions usable on jobs
check-venv: use recorded Python version
configure: keep track of Python version
scripts: Remove unused python imports
scripts/device-crash-test: Remove known crashes

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

show more ...

scripts: Remove unused python imports

Reported-by: LGTM code review
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20181108143422.15955-1-philmd@redhat.com>
Signed-off-by: Ed

scripts: Remove unused python imports

Reported-by: LGTM code review
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20181108143422.15955-1-philmd@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>

show more ...

Merge remote-tracking branch 'remotes/stefanha/tags/tracing-pull-request' into staging

Pull request

* Python 3 support in simpletrace.py
* Convert DPRINTF() to trace events

# gpg: Signature made

Merge remote-tracking branch 'remotes/stefanha/tags/tracing-pull-request' into staging

Pull request

* Python 3 support in simpletrace.py
* Convert DPRINTF() to trace events

# gpg: Signature made Fri 29 Jun 2018 18:53:05 BST
# gpg: using RSA key 9CA4ABB381AB73C8
# 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:
hw/block/pflash_cfi: Convert from DPRINTF() macro to trace events
hw/block/fdc: Convert from FLOPPY_DPRINTF() macro to trace events
hw/net/etraxfs_eth: Convert printf() calls to trace events
hw/net/ne2000: Convert printf() calls to trace events
hw/net/ne2000: Add trace events
hw/input/tsc2005: Convert a fprintf() call to trace events
hw/char/parallel: Convert from pdebug() macro to trace events
hw/char/serial: Convert from DPRINTF macro to trace events
sdcard: Reduce sdcard_set_blocklen() trace digits
trace: Fix format string for the struct timeval members casted to size_t
simpletrace: Convert name from mapping record to str

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

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simpletrace: Convert name from mapping record to str

The rest of the code assumes that idtoname is a (int -> str)
dictionary, so convert the data accordingly.

This is necessary to make the script w

simpletrace: Convert name from mapping record to str

The rest of the code assumes that idtoname is a (int -> str)
dictionary, so convert the data accordingly.

This is necessary to make the script work with Python 3 (where
reads from a binary file return 'bytes' objects, not 'str').

Fixes the following error:

$ python3 ./scripts/simpletrace.py trace-events-all trace-27445
b'object_class_dynamic_cast_assert' event is logged but is not \
declared in the trace events file, try using trace-events-all instead.

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Message-id: 20180619194549.15584-1-ehabkost@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

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Merge remote-tracking branch 'remotes/ehabkost/tags/python-next-pull-request' into staging

Python queue, 2018-06-11

* Make code compatible with Python 3 using 'futurize --stage1'
* Require Python >

Merge remote-tracking branch 'remotes/ehabkost/tags/python-next-pull-request' into staging

Python queue, 2018-06-11

* Make code compatible with Python 3 using 'futurize --stage1'
* Require Python >= 2.7 and remove Python 2.6 compatibility
modules

# gpg: Signature made Mon 11 Jun 2018 18:41:26 BST
# gpg: using RSA key 2807936F984DC5A6
# 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:
python: Remove scripts/ordereddict.py
python: Remove scripts/argparse.py
configure: Require Python 2.7 or newer
python: futurize -f lib2to3.fixes.fix_numliterals
python: futurize -f lib2to3.fixes.fix_except
python: futurize -f lib2to3.fixes.fix_renames
python: futurize -f lib2to3.fixes.fix_tuple_params
python: futurize -f lib2to3.fixes.fix_reduce
python: futurize -f lib2to3.fixes.fix_standarderror
python: futurize -f lib2to3.fixes.fix_has_key
python: futurize -f libfuturize.fixes.fix_next_call
python: futurize -f libfuturize.fixes.fix_absolute_import
python: futurize -f libfuturize.fixes.fix_print_with_import

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

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