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-----
#
# iQEzBAABCAAdFiEEhp

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>

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scripts/analyse-locks-simpletrace.py: changed iteritems() to items()

Python 3 removed `dict.iteritems()` in favor of `dict.items()`. This
means the script currently doesn't work on Python 3.

Review

scripts/analyse-locks-simpletrace.py: changed iteritems() to items()

Python 3 removed `dict.iteritems()` in favor of `dict.items()`. This
means the script currently doesn't work on Python 3.

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: 20230926103436.25700-15-mads@ynddal.dk
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

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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>

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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>

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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>

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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>

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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>

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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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python: futurize -f lib2to3.fixes.fix_tuple_params

Remove implicit tuple parameter unpacking.

This is necessary for Python 3 compatibility.

Done using:

$ py=$( (g grep -l -E '^#!.*python';find

python: futurize -f lib2to3.fixes.fix_tuple_params

Remove implicit tuple parameter unpacking.

This is necessary for Python 3 compatibility.

Done using:

$ py=$( (g grep -l -E '^#!.*python';find -name '*.py' -printf '%P\n';) | \
sort -u | grep -v README.sh4)
$ futurize -w -f lib2to3.fixes.fix_tuple_params $py

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20180608122952.2009-8-ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>

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python: futurize -f libfuturize.fixes.fix_print_with_import

Change all Python code to use print as a function.

This is necessary for Python 3 compatibility.

Done using:

$ py=$( (g grep -l -E '^

python: futurize -f libfuturize.fixes.fix_print_with_import

Change all Python code to use print as a function.

This is necessary for Python 3 compatibility.

Done using:

$ py=$( (g grep -l -E '^#!.*python';find -name '*.py' -printf '%P\n';) | \
sort -u | grep -v README.sh4)
$ futurize -w -f libfuturize.fixes.fix_print_with_import $py

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Acked-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20180608122952.2009-2-ehabkost@redhat.com>
[ehabkost: fixup tests/docker/docker.py]
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>

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Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging

* QemuMutex tracing improvements (Alex)
* ram_addr_t optimization (David)
* SCSI fixes (Fam, Stefan, me)
* do {} while (

Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging

* QemuMutex tracing improvements (Alex)
* ram_addr_t optimization (David)
* SCSI fixes (Fam, Stefan, me)
* do {} while (0) fixes (Eric)
* KVM fix for PMU (Jan)
* memory leak fixes from ASAN (Marc-André)
* migration fix for HPET, icount, loadvm (Maria, Pavel)
* hflags fixes (me, Tao)
* block/iscsi uninitialized variable (Peter L.)
* full support for GMainContexts in character devices (Peter Xu)
* more boot-serial-test (Thomas)
* Memory leak fix (Zhecheng)

# gpg: Signature made Tue 16 Jan 2018 14:15:45 GMT
# gpg: using RSA key 0xBFFBD25F78C7AE83
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>"
# gpg: aka "Paolo Bonzini <pbonzini@redhat.com>"
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4 E2F7 7E15 100C CD36 69B1
# Subkey fingerprint: F133 3857 4B66 2389 866C 7682 BFFB D25F 78C7 AE83

* remotes/bonzini/tags/for-upstream: (51 commits)
scripts/analyse-locks-simpletrace.py: script to analyse lock times
util/qemu-thread-*: add qemu_lock, locked and unlock trace events
cpu: flush TB cache when loading VMState
block/iscsi: fix initialization of iTask in iscsi_co_get_block_status
find_ram_offset: Align ram_addr_t allocation on long boundaries
find_ram_offset: Add comments and tracing
cpu_physical_memory_sync_dirty_bitmap: Another alignment fix
checkpatch: Enforce proper do/while (0) style
maint: Fix macros with broken 'do/while(0); ' usage
tests: Avoid 'do/while(false); ' in vhost-user-bridge
chardev: Clean up previous patch indentation
chardev: Use goto/label instead of do/break/while(0)
mips: Tweak location of ';' in macros
net: Drop unusual use of do { } while (0);
irq: fix memory leak
cpus: unify qemu_*_wait_io_event
icount: fixed saving/restoring of icount warp timers
scripts/qemu-gdb/timers.py: new helper to dump timer state
scripts/qemu-gdb: add simple tcg lock status helper
target-i386: update hflags on Hypervisor.framework
...

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

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scripts/analyse-locks-simpletrace.py: script to analyse lock times

This script allows analysis of mutex acquisition and hold times based
on a trace file. Given a trace control file of:

qemu_mutex

scripts/analyse-locks-simpletrace.py: script to analyse lock times

This script allows analysis of mutex acquisition and hold times based
on a trace file. Given a trace control file of:

qemu_mutex_lock
qemu_mutex_locked
qemu_mutex_unlock

And running with:

$QEMU $QEMU_ARGS -trace events=./lock-trace

You can analyse the results with:

./scripts/analyse-locks-simpletrace.py trace-events-all ./trace-21812

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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