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Denis V. Lunev ddd2ef2ce8 block/parallels: improve image writing performance further 
Try to perform IO for the biggest continuous block possible.
All blocks abscent in the image are accounted in the same type
and preallocation is made for all of them at once.

The performance for sequential write is increased from 200 Mb/sec to
235 Mb/sec on my SSD HDD.

Signed-off-by: Denis V. Lunev <den@openvz.org>
Reviewed-by: Roman Kagan <rkagan@parallels.com>
Signed-off-by: Roman Kagan <rkagan@parallels.com>
Message-id: 1430207220-24458-28-git-send-email-den@openvz.org
CC: Kevin Wolf <kwolf@redhat.com>
CC: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2015-05-22 09:37:32 +01:00
audio
audio: Don't free hw resources until after hw backend is stopped
2014-12-22 23:12:25 +00:00
backends
Remove various unused functions
2015-05-08 14:11:10 +03:00
block
block/parallels: improve image writing performance further
2015-05-22 09:37:32 +01:00
bsd-user
linux-user, bsd-user: Remove two calls to cpu_exec_init_all
2015-04-27 18:24:17 +02:00
default-configs
arm: Introduce Xilinx ZynqMP SoC
2015-05-18 16:41:09 +01:00
disas
cris: remove unused cris_cond15 declarations
2015-03-19 11:11:55 +03:00
docs
qapi: Turn generators' mandatory option -i into an argument
2015-05-14 18:41:23 +02:00
dtc @ bc895d6d09
dtc: add submodule
2013-04-18 13:50:53 +02:00
fpu
softfloat: expand out STATUS macro
2015-02-06 16:11:38 +00:00
fsdev
Fix typos in comments
2015-03-19 11:30:37 +03:00
gdb-xml
s390x/gdb: add the feature xml files for s390x
2014-09-01 09:45:19 +02:00
hw
serial: fix multi-pci card error cleanup.
2015-05-19 14:10:33 +01:00
include
arm: xlnx-zynqmp: Add UART support
2015-05-18 16:41:13 +01:00
libcacard
libcacard: do not use full paths for include files in the same dir
2015-04-30 16:05:48 +03:00
libdecnumber
libdecnumber: Fix warnings from smatch (missing static, boolean operations)
2014-08-24 13:21:06 +04:00
linux-headers
linux-headers: update
2015-04-30 13:21:42 +02:00
linux-user
linux-user/arm: Correct TARGET_NR_timerfd to TARGET_NR_timerfd_create
2015-05-18 17:45:10 +01:00
migration
migration: Add qmp commands to set and query parameters
2015-05-07 18:31:53 +02:00
net
net: add MAC address string printer
2015-05-11 14:49:03 +01:00
pc-bios
Makefile.target: set icon for binary file on Mac OS X
2015-05-19 09:11:17 +01:00
pixman @ 87eea99e44
pixman: update internal copy to pixman-0.32.6
2014-09-15 08:14:19 +02:00
po
po: fix conflict with %.mo rule in rules.mak
2014-09-26 13:35:08 +02:00
qapi
pc, virtio enhancements
2015-05-11 16:25:33 +01:00
qga
qapi: Use 'struct' instead of 'type' in schema
2015-05-05 18:39:01 +02:00
qobject
json-parser: Accept 'null' in QMP
2015-05-11 08:59:07 -04:00
qom
qom: Add can_be_deleted callback to UserCreatableClass
2015-04-01 10:06:38 +02:00
roms
pseries: Update SLOF firmware image to qemu-slof-20150313
2015-03-25 22:49:45 +01:00
scripts
qapi: Inline gen_command_decl_prologue(), gen_command_def_prologue()
2015-05-14 18:41:33 +02:00
slirp
slirp: udp: fix NULL pointer dereference because of uninitialized socket
2014-09-23 19:15:05 +01:00
stubs
pci, pc, virtio fixes and cleanups
2015-03-09 09:14:28 +00:00
sysconfigs/target
…
target-alpha
tcg: Change translator-side labels to a pointer
2015-03-13 12:28:18 -07:00
target-arm
target-arm: Remove unneeded '+'
2015-05-18 20:04:19 +01:00
target-cris
cris: remove unused cris_cond15 declarations
2015-03-19 11:11:55 +03:00
target-i386
kvm: add support for memory transaction attributes
2015-04-30 16:55:32 +02:00
target-lm32
tcg: Change translator-side labels to a pointer
2015-03-13 12:28:18 -07:00
target-m68k
tcg: Change translator-side labels to a pointer
2015-03-13 12:28:18 -07:00
target-microblaze
microblaze: cpu: delete unused cpu_interrupts_enabled
2015-04-30 16:05:48 +03:00
target-mips
kvm: add support for memory transaction attributes
2015-04-30 16:55:32 +02:00
target-moxie
target-moxie: Fix warnings from Sparse (one-bit signed bitfield)
2015-03-19 11:11:55 +03:00
target-openrisc
openrisc: cpu: Remove unused cpu_get_pc
2015-04-30 16:06:18 +03:00
target-ppc
kvm: add support for memory transaction attributes
2015-04-30 16:55:32 +02:00
target-s390x
s390x: Add interlocked access facility 1 instructions
2015-05-13 14:48:54 +02:00
target-sh4
tcg: Change translator-side labels to a pointer
2015-03-13 12:28:18 -07:00
target-sparc
tcg: Change translator-side labels to a pointer
2015-03-13 12:28:18 -07:00
target-tricore
target-tricore: fix rfe not restoring the PC
2015-05-11 14:25:49 +02:00
target-unicore32
tcg: Change translator-side labels to a pointer
2015-03-13 12:28:18 -07:00
target-xtensa
tcg: Change translator-side labels to a pointer
2015-03-13 12:28:18 -07:00
tcg
tcg: Add MO_ALIGN, MO_UNALN
2015-05-14 12:15:18 -07:00
tests
iotests, parallels: check for incorrectly closed image in tests
2015-05-22 09:37:32 +01:00
trace
Remove superfluous '\n' around error_report()
2015-03-10 08:15:33 +03:00
ui
vnc: Tweak error when init fails
2015-05-20 10:23:08 +02:00
util
qemu-sockets: Report explicit error if unlink fails
2015-05-20 10:23:08 +02:00
.exrc
…
.gitignore
gitignore: Ignore more .pod files.
2015-04-04 09:45:59 +03:00
.gitmodules
PPC: Add u-boot firmware for e500
2014-06-16 13:24:35 +02:00
.mailmap
Update mailmap
2013-09-05 09:40:31 -05:00
.travis.yml
.travis.yml: Add "--enable-modules"
2015-01-26 12:27:05 +01:00
accel.c
accel: Create accel object when initializing machine
2014-10-09 15:36:14 +02:00
aio-posix.c
AioContext: acquire/release AioContext during aio_poll
2015-04-28 15:36:08 +02:00
aio-win32.c
AioContext: acquire/release AioContext during aio_poll
2015-04-28 15:36:08 +02:00
arch_init.c
migration: Fix migration state update issue
2015-05-07 18:31:54 +02:00
async.c
iothread: release iothread around aio_poll
2015-04-28 15:36:08 +02:00
balloon.c
balloon: improve error msg when adding second device
2015-04-24 14:18:05 -04:00
block.c
block: move I/O request processing to block/io.c
2015-04-28 15:36:17 +02:00
blockdev-nbd.c
nbd: Fix up comment after commit e140177
2015-03-25 13:38:07 +01:00
blockdev.c
block: Ensure consistent bitmap function prototypes
2015-04-28 15:36:10 +02:00
blockjob.c
blockjob: Allow nested pause
2015-04-28 15:36:09 +02:00
bootdevice.c
misc: fix typos in copyright declaration
2015-03-26 14:21:43 +01:00
bt-host.c
sysemu: avoid proliferation of include/ subdirectories
2013-04-15 18:19:25 +02:00
bt-vhci.c
sysemu: avoid proliferation of include/ subdirectories
2013-04-15 18:19:25 +02:00
Changelog
Use qemu-project.org domain name
2013-10-11 09:34:56 -07:00
CODING_STYLE
CODING_STYLE: Section about conditional statement
2014-08-15 18:54:06 +04:00
configure
- build bugfix from Fam and new configure check from Emilio
2015-05-11 12:01:09 +01:00
COPYING
…
COPYING.LIB
…
coroutine-gthread.c
glib-compat.h: add new thread API emulation on top of pre-2.31 API
2014-06-10 07:44:01 +02:00
coroutine-sigaltstack.c
coroutine-sigaltstack: Change jmp_buf to sigjmp_buf
2014-11-11 11:07:55 +03:00
coroutine-ucontext.c
coroutine-ucontext: use __thread
2015-01-13 13:43:28 +00:00
coroutine-win32.c
coroutine-win32.c: Add noinline attribute to work around gcc bug
2014-06-26 14:08:14 +01:00
cpu-exec.c
- vhost-scsi: add bootindex property
2015-02-24 13:58:18 +00:00
cpus.c
qmp: Add qom_path field to query-cpus command
2015-05-14 17:25:46 +02:00
cputlb.c
Add MemTxAttrs to the IOTLB
2015-04-26 16:49:24 +01:00
device_tree.c
machine: query phandle-start machine property
2015-03-11 18:17:11 +01:00
device-hotplug.c
pci-hotplug-old: Has been dead for five major releases, bury
2015-03-01 12:37:54 +01:00
disas.c
monitor: QEMU Monitor Instruction Disassembly Incorrect for PowerPC LE Mode
2014-06-16 13:24:26 +02:00
dma-helpers.c
range: remove useless inclusions
2015-04-30 16:05:48 +03:00
dump.c
dump: Fix dump-guest-memory termination and use-after-close
2014-11-02 10:04:34 +03:00
exec.c
exec: move rcu_read_lock/unlock to address_space_translate callers
2015-04-30 16:55:32 +02:00
gdbstub.c
gdbstub: avoid possible NULL pointer dereference
2015-03-10 08:15:34 +03:00
HACKING
HACKING: Document vaddr type usage
2013-07-23 02:41:31 +02:00
hmp-commands.hx
migration: Add hmp interface to set and query parameters
2015-05-07 18:31:54 +02:00
hmp.c
migration: Add hmp interface to set and query parameters
2015-05-07 18:31:54 +02:00
hmp.h
migration: Add hmp interface to set and query parameters
2015-05-07 18:31:54 +02:00
iohandler.c
iohandler.c: Properly initialize sigaction struct
2014-05-24 00:07:29 +04:00
ioport.c
- miscellaneous cleanups for TCG (Emilio) and NBD (Bogdan)
2015-04-30 12:04:11 +01:00
iothread.c
Remove various unused functions
2015-05-08 14:11:10 +03:00
kvm-all.c
kvm: add support for memory transaction attributes
2015-04-30 16:55:32 +02:00
kvm-stub.c
pc: kvm: check if KVM has free memory slots to avoid abort()
2014-11-23 12:11:29 +02:00
LICENSE
vfio: move hw/misc/vfio.c to hw/vfio/pci.c Move vfio.h into include/hw/vfio
2014-12-19 15:24:06 -07:00
main-loop.c
Revert "main-loop.c: Handle SIGINT, SIGHUP and SIGTERM synchronously"
2014-10-27 15:05:09 +00:00
MAINTAINERS
-----BEGIN PGP SIGNATURE-----
2015-05-12 10:40:31 +01:00
Makefile
qapi: Turn generators' mandatory option -i into an argument
2015-05-14 18:41:23 +02:00
Makefile.objs
QJSON: Add JSON writer
2015-02-05 17:16:14 +01:00
Makefile.target
Makefile.target: set icon for binary file on Mac OS X
2015-05-19 09:11:17 +01:00
memory_mapping.c
Add skip_dump flag to ignore memory region during dump
2014-10-31 11:29:01 +01:00
memory.c
mtree: also print disabled regions
2015-04-30 16:55:16 +02:00
module-common.c
module: implement module loading
2014-02-20 13:14:18 +01:00
monitor.c
pc, virtio enhancements
2015-05-11 16:25:33 +01:00
nbd.c
qemu-nbd: only send a limited number of errno codes on the wire
2015-05-08 14:45:11 +02:00
numa.c
numa: Print warning if no node is assigned to a CPU
2015-03-19 16:20:15 -03:00
os-posix.c
rcu: do not create thread in pthread_atfork callback
2015-04-01 10:06:38 +02:00
os-win32.c
pidfile: stop making pidfile error a special case
2014-11-02 10:04:34 +03:00
page_cache.c
xbzrle: rebuild the cache_is_cached function
2015-01-15 17:49:43 +05:30
qapi-schema.json
qmp: Add qom_path field to query-cpus command
2015-05-14 17:25:46 +02:00
qdev-monitor.c
qom: Implement info qom-tree HMP command
2015-03-17 14:31:21 +01:00
qdict-test-data.txt
…
qemu-bridge-helper.c
qemu-bridge-helper: Fix fd leak in main()
2014-06-27 10:39:10 +02:00
qemu-char.c
qemu-char: remove unused list node from FDCharDriver
2015-04-30 16:05:49 +03:00
qemu-coroutine-io.c
coroutine-io: Return -errno in case of error
2015-03-18 12:07:21 +01:00
qemu-coroutine-lock.c
coroutine: remove unnecessary parentheses in qemu_co_queue_empty
2015-04-30 16:05:49 +03:00
qemu-coroutine-sleep.c
coroutine: Drop co_sleep_ns
2014-08-29 10:46:58 +01:00
qemu-coroutine.c
coroutine: Clean up qemu_coroutine_enter()
2015-03-09 11:11:59 +01:00
qemu-doc.texi
raw-posix: Deprecate host floppy passthrough
2015-03-19 11:43:02 +01:00
qemu-img-cmds.hx
qemu-img: Add progress output for amend
2014-11-03 11:41:48 +00:00
qemu-img.c
qemu-img convert: Rewrite copying logic
2015-04-28 15:36:09 +02:00
qemu-img.texi
qemu-img: Add progress output for amend
2014-11-03 11:41:48 +00:00
qemu-io-cmds.c
qemu-io: Use BlockBackend
2015-02-16 15:07:19 +00:00
qemu-io.c
Clean up around error_get_pretty(), qerror_report_err()
2015-02-26 07:01:08 +00:00
qemu-log.c
qemu-log: Correct help text of 'log cpu_reset'
2015-02-10 09:27:20 +03:00
qemu-nbd.c
nbd: Set block size to BDRV_SECTOR_SIZE
2015-03-18 12:07:01 +01:00
qemu-nbd.texi
nbd: Miscellaneous typo fixes.
2014-05-24 00:07:29 +04:00
qemu-options-wrapper.h
…
qemu-options.h
…
qemu-options.hx
qemu-options: trivial spelling fix (messsage)
2015-04-30 16:05:48 +03:00
qemu-seccomp.c
seccomp: add mlockall to whitelist
2015-01-23 14:07:08 +01:00
qemu-tech.texi
…
qemu-timer.c
qemu-timer.c: Trim list of included headers
2015-01-26 18:15:54 +00:00
qemu.nsi
nsis: Improved support for parallel installation of 32 and 64 bit code
2013-11-07 07:02:44 +01:00
qemu.sasl
sasl: Avoid 'Could not find keytab file' in syslog
2014-03-15 13:54:18 +04:00
qjson.c
QJSON: Use OBJECT_CHECK
2015-05-11 08:59:07 -04:00
qmp-commands.hx
qmp: Add qom_path field to query-cpus command
2015-05-14 17:25:46 +02:00
qmp.c
qapi: Drop inline nested struct in query-version
2015-05-05 18:39:02 +02:00
qtest.c
qtest: Use qemu_opt_set() instead of qemu_opts_parse()
2015-02-26 14:52:13 +01:00
README
Use qemu-project.org domain name
2013-10-11 09:34:56 -07:00
rules.mak
rules.mak: Force CFLAGS for all objects in DSO
2015-05-08 14:45:11 +02:00
savevm.c
error: Replace error_report() & error_free() with error_report_err()
2015-03-19 11:11:55 +03:00
softmmu_template.h
tcg: Add MO_ALIGN, MO_UNALN
2015-05-14 12:15:18 -07:00
spice-qemu-char.c
spice: Add missing 'static' attribute
2015-02-10 10:26:05 +03:00
tcg-runtime.c
tcg: Push tcg-runtime routines into exec/helper-*
2014-05-28 09:33:54 -07:00
tci.c
tcg: Push merged memop+mmu_idx parameter to softmmu routines
2015-05-14 12:15:14 -07:00
thread-pool.c
thread-pool: clean up thread_pool_completion_bh()
2015-04-28 15:36:09 +02:00
thunk.c
…
tpm.c
tpm: Remove superfluous '\n' around error_report()
2015-03-10 08:15:33 +03:00
trace-events
qmp-event: add event notification for memory hot unplug error
2015-04-27 21:09:07 +02:00
translate-all.c
exec: move rcu_read_lock/unlock to address_space_translate callers
2015-04-30 16:55:32 +02:00
translate-all.h
translate-all: Change tb_check_watchpoint() argument to CPUState
2014-03-13 19:20:48 +01:00
user-exec.c
user-exec.c: fix build on NetBSD/sparc64 and NetBSD/arm
2015-03-13 15:57:00 +00:00
VERSION
Open 2.4 development tree
2015-04-25 22:05:07 +01:00
version.rc
Use qemu-project.org domain name
2013-10-11 09:34:56 -07:00
vl.c
sdl2: add support for display rendering using opengl.
2015-05-05 10:48:26 +02:00
xen-common-stub.c
accel: Move Xen registration code to xen-common.c
2014-10-04 08:59:15 +02:00
xen-common.c
accel: Pass MachineState object to accel init functions
2014-10-09 12:57:10 +02:00
xen-hvm-stub.c
xen: Remove xen_cmos_set_s3_resume()
2015-03-10 08:15:33 +03:00
xen-hvm.c
Xen: Use the ioreq-server API when available
2015-01-20 14:24:10 +00:00
xen-mapcache.c
xen: add a lock for the mapcache
2015-01-20 14:24:17 +00:00

README 

Read the documentation in qemu-doc.html or on http://wiki.qemu-project.org

- QEMU team
Description
QEMU With E2K User Support
Readme 459 MiB
Languages
C 83.1%
C++ 6.3%
Python 3.2%
Dylan 2.8%
Shell 1.6%
Other 2.8%