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Peter Lieven f1c72795af migration: do not sent zero pages in bulk stage 
during bulk stage of ram migration if a page is a
zero page do not send it at all.
the memory at the destination reads as zero anyway.

even if there is an madvise with QEMU_MADV_DONTNEED
at the target upon receipt of a zero page I have observed
that the target starts swapping if the memory is overcommitted.
it seems that the pages are dropped asynchronously.

this patch also updates QMP to return the number of
skipped pages in MigrationStats.

Signed-off-by: Peter Lieven <pl@kamp.de>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
2013-03-26 13:32:33 +01:00
audio
audio: Replace non-portable asprintf in debug code by g_strdup_printf
2013-01-16 12:03:26 -06:00
backends
chardev: add braille support to qapi
2013-03-13 10:27:46 +01:00
block
block: Add options QDict to bdrv_file_open() prototypes (fix MinGW build)
2013-03-25 09:53:04 +01:00
bsd-user
qemu-log: default to stderr for logging output
2013-02-26 13:31:47 -06:00
default-configs
VMXNET3 device implementation
2013-03-25 11:13:10 +01:00
disas
Add moxie disassembler
2013-03-23 14:25:41 +00:00
docs
Fix typos and misspellings
2013-03-22 13:25:07 +01:00
fpu
softfloat: Handle float_muladd_negate_c when product is zero
2013-01-26 13:22:09 +00:00
fsdev
virtfs-proxy-helper: Fix unchecked strdup() by conv. to g_strdup()
2013-01-30 11:14:46 +01:00
gdb-xml
…
hw
savevm: Add VMSTATE_UINTTL_EQUAL helper
2013-03-26 13:30:49 +01:00
include
migration: do not sent zero pages in bulk stage
2013-03-26 13:32:33 +01:00
ldscripts
build: create ldscripts/
2012-12-19 08:29:06 +01:00
libcacard
libcacard: Fix unchecked strdup() by converting to g_strdup()
2013-01-30 11:14:46 +01:00
linux-headers
linux-headers: resync from mainline to add ARM KVM headers
2013-03-05 00:34:40 +00:00
linux-user
linux-user/syscall.c: Don't warn about unimplemented get_robust_list
2013-03-11 14:35:08 +02:00
net
net: increase buffer size to accommodate Jumbo frame pkts
2013-03-25 11:14:07 +01:00
pc-bios
ipxe: update binaries
2013-03-25 09:13:18 +01:00
pixman @ 97336fad32
qapi: move include files to include/qobject/
2012-12-19 08:31:31 +01:00
po
ui/gtk: Use menu item from stock for full screen
2013-02-22 14:49:00 -06:00
qapi
qapi: Fix unchecked strdup() by converting to g_strdup()
2013-01-30 11:14:46 +01:00
qga
Fix typos and misspellings
2013-03-22 13:25:07 +01:00
QMP
qmp: add pull_event function
2012-10-24 10:26:22 +02:00
qobject
Add qdict_clone_shallow()
2013-03-15 16:07:49 +01:00
qom
exec: Pass CPUState to cpu_reset_interrupt()
2013-03-12 10:35:55 +01:00
roms
ipxe: disable two second timeout
2013-03-25 09:07:40 +01:00
scripts
make_device_config.sh: Emit dependency file to directory where included
2013-03-09 12:00:03 +00:00
slirp
MinGW: Replace setsockopt by qemu_setsocketopt
2013-03-22 13:14:48 +01:00
stubs
stubs: Add a vmstate_dummy struct for CONFIG_USER_ONLY
2013-03-12 10:35:54 +01:00
sysconfigs/target
Eliminate cpus-x86_64.conf file
2012-09-21 15:12:58 +02:00
target-alpha
cpu: Replace do_interrupt() by CPUClass::do_interrupt method
2013-03-12 10:35:55 +01:00
target-arm
target-arm: Override do_interrupt for ARMv7-M profile
2013-03-12 10:35:55 +01:00
target-cris
cpu: Replace do_interrupt() by CPUClass::do_interrupt method
2013-03-12 10:35:55 +01:00
target-i386
target-i386: Don't modify env->eflags around cpu_dump_state
2013-03-23 14:30:12 +00:00
target-lm32
target-lm32: use HELPER() macro
2013-03-18 19:40:34 +01:00
target-m68k
cpu: Replace do_interrupt() by CPUClass::do_interrupt method
2013-03-12 10:35:55 +01:00
target-microblaze
microblaze: Ignore non-cpu accesses to unmapped areas
2013-03-19 17:34:47 +01:00
target-mips
target-mips: fix rndrashift_short_acc and code for EXTR_ instructions
2013-03-17 01:06:34 +01:00
target-moxie
Add moxie target code
2013-03-23 14:25:41 +00:00
target-openrisc
cpu: Replace do_interrupt() by CPUClass::do_interrupt method
2013-03-12 10:35:55 +01:00
target-ppc
target-ppc: Use NARROW_MODE macro for tlbie
2013-03-22 15:28:54 +01:00
target-s390x
Fix typos and misspellings
2013-03-22 13:25:07 +01:00
target-sh4
cpu: Replace do_interrupt() by CPUClass::do_interrupt method
2013-03-12 10:35:55 +01:00
target-sparc
cpu: Replace do_interrupt() by CPUClass::do_interrupt method
2013-03-12 10:35:55 +01:00
target-unicore32
cpu: Replace do_interrupt() by CPUClass::do_interrupt method
2013-03-12 10:35:55 +01:00
target-xtensa
cpu: Replace do_interrupt() by CPUClass::do_interrupt method
2013-03-12 10:35:55 +01:00
tcg
tcg-optimize: Fold sub r,0,x to neg r,x
2013-03-23 14:31:03 +00:00
tests
Merge branch 'for-upstream' of git://github.com/mwalle/qemu
2013-03-23 14:23:26 +00:00
tpm
Add support for cancelling of a TPM command
2013-03-12 13:40:55 -05:00
trace
trace: deal with deprecated glib thread functions
2013-02-12 16:26:44 -06:00
ui
gtk: Release modifier when graphic console loses keyboard focus
2013-03-25 13:10:40 -05:00
util
bitops: unroll while loop in find_next_bit()
2013-03-26 13:32:32 +01:00
.exrc
qemu: add .exrc
2012-09-07 09:02:44 +03:00
.gitignore
gitignore: ignore more files
2013-03-22 16:09:46 +01:00
.gitmodules
pixman: add submodule
2012-11-01 13:10:06 +01:00
.mailmap
…
aio-posix.c
aio: support G_IO_HUP and G_IO_ERR
2013-02-21 16:17:31 -06:00
aio-win32.c
aio: Fix return value of aio_poll()
2013-01-17 10:51:42 +01:00
arch_init.c
migration: do not sent zero pages in bulk stage
2013-03-26 13:32:33 +01:00
async.c
aio: add a ThreadPool instance to AioContext
2013-03-15 16:07:50 +01:00
balloon.c
softmmu: move include files to include/sysemu/
2012-12-19 08:32:45 +01:00
block-migration.c
migration: run setup callbacks out of big lock
2013-03-11 13:32:01 +01:00
block.c
block: Allow omitting the file name when using driver-specific options
2013-03-22 17:51:32 +01:00
blockdev-nbd.c
softmmu: move include files to include/sysemu/
2012-12-19 08:32:45 +01:00
blockdev.c
block: Allow omitting the file name when using driver-specific options
2013-03-22 17:51:32 +01:00
blockjob.c
misc: move include files to include/qemu/
2012-12-19 08:32:39 +01:00
bt-host.c
MinGW: Replace setsockopt by qemu_setsocketopt
2013-03-22 13:14:48 +01:00
bt-vhci.c
softmmu: move remaining include files to include/ subdirectories
2012-12-19 08:32:46 +01:00
Changelog
…
cmd.c
misc: move include files to include/qemu/
2012-12-19 08:32:39 +01:00
cmd.h
…
CODING_STYLE
…
configure
Add top level changes for moxie
2013-03-23 14:25:42 +00:00
COPYING
…
COPYING.LIB
…
coroutine-gthread.c
block: move include files to include/block/
2012-12-19 08:31:31 +01:00
coroutine-sigaltstack.c
Merge remote-tracking branch 'kwolf/for-anthony' into staging
2013-02-26 07:44:39 -06:00
coroutine-ucontext.c
Merge remote-tracking branch 'kwolf/for-anthony' into staging
2013-02-26 07:44:39 -06:00
coroutine-win32.c
block: move include files to include/block/
2012-12-19 08:31:31 +01:00
cpu-exec.c
target-i386: Don't modify env->eflags around cpu_dump_state
2013-03-23 14:30:12 +00:00
cpus.c
cpu: Pass CPUState to cpu_interrupt()
2013-03-12 10:35:55 +01:00
cputlb.c
cpu: Move current_tb field to CPUState
2013-02-16 14:51:00 +01:00
device_tree.c
softmmu: move include files to include/sysemu/
2012-12-19 08:32:45 +01:00
device-hotplug.c
hw: move device-hotplug.o to toplevel, compile it once
2013-03-01 13:57:13 +01:00
disas.c
Add moxie disassembler
2013-03-23 14:25:41 +00:00
dma-helpers.c
softmmu: move include files to include/sysemu/
2012-12-19 08:32:45 +01:00
dump-stub.c
softmmu: move include files to include/sysemu/
2012-12-19 08:32:45 +01:00
dump.c
cpu: Move host_tid field to CPUState
2013-02-16 14:50:59 +01:00
exec.c
Merge remote-tracking branch 'afaerber/qom-cpu' into staging
2013-03-14 14:50:58 -05:00
gdbstub.c
Merge branch 'ppc-for-upstream' of git://github.com/agraf/qemu
2013-03-22 21:43:57 +01:00
HACKING
HACKING: List areas where we may rely on impdef C behaviour
2012-12-08 14:27:40 +00:00
hmp-commands.hx
Revert "hmp: Disable chardev-add and chardev-remove"
2013-03-13 10:27:47 +01:00
hmp.c
migration: do not sent zero pages in bulk stage
2013-03-26 13:32:33 +01:00
hmp.h
Support for TPM command line options
2013-03-12 13:40:11 -05:00
iohandler.c
iohandler: switch to GPollFD
2013-02-21 16:17:31 -06:00
ioport.c
exec: move include files to include/exec/
2012-12-19 08:31:31 +01:00
kvm-all.c
cpu: Pass CPUState to cpu_interrupt()
2013-03-12 10:35:55 +01:00
kvm-stub.c
kvm: Pass CPUState to kvm_on_sigbus_vcpu()
2013-01-28 16:57:56 +01:00
LICENSE
…
main-loop.c
main-loop: add qemu_get_aio_context()
2013-03-15 16:07:50 +01:00
MAINTAINERS
Add top level changes for moxie
2013-03-23 14:25:42 +00:00
Makefile
Fix TAGS creation
2013-03-15 11:36:49 -05:00
Makefile.objs
Support for TPM command line options
2013-03-12 13:40:11 -05:00
Makefile.target
build: always link device_tree.o into emulators if libfdt available
2013-03-01 15:01:19 +01:00
memory_mapping-stub.c
softmmu: move include files to include/sysemu/
2012-12-19 08:32:45 +01:00
memory_mapping.c
exec: change RAM list to a TAILQ
2012-12-20 23:08:47 +01:00
memory.c
memory: fix a bug of detection of memory region collision
2013-03-22 13:21:28 +01:00
migration-exec.c
migration: eliminate s->migration_file
2013-03-11 13:32:03 +01:00
migration-fd.c
migration: eliminate s->migration_file
2013-03-11 13:32:03 +01:00
migration-tcp.c
migration: eliminate s->migration_file
2013-03-11 13:32:03 +01:00
migration-unix.c
migration: eliminate s->migration_file
2013-03-11 13:32:03 +01:00
migration.c
migration: do not sent zero pages in bulk stage
2013-03-26 13:32:33 +01:00
monitor.c
Merge branch 'ppc-for-upstream' of git://github.com/agraf/qemu
2013-03-22 21:43:57 +01:00
nbd.c
nbd: Remove unused functions
2013-03-22 17:51:32 +01:00
os-posix.c
softmmu: move include files to include/sysemu/
2012-12-19 08:32:45 +01:00
os-win32.c
softmmu: move include files to include/sysemu/
2012-12-19 08:32:45 +01:00
page_cache.c
page_cache: dup memory on insert
2013-03-11 13:32:03 +01:00
qapi-schema-test.json
…
qapi-schema.json
migration: do not sent zero pages in bulk stage
2013-03-26 13:32:33 +01:00
qdev-monitor.c
hw: move qdev-monitor.o to toplevel directory
2013-03-01 13:54:10 +01:00
qdict-test-data.txt
…
qemu-bridge-helper.c
misc: move include files to include/qemu/
2012-12-19 08:32:39 +01:00
qemu-char.c
char: Fix return type of qemu_chr_fe_add_watch()
2013-03-19 07:56:07 -05:00
qemu-coroutine-io.c
misc: move include files to include/qemu/
2012-12-19 08:32:39 +01:00
qemu-coroutine-lock.c
coroutine: use AioContext for CoQueue BH
2013-03-15 16:07:51 +01:00
qemu-coroutine-sleep.c
misc: move include files to include/qemu/
2012-12-19 08:32:39 +01:00
qemu-coroutine.c
coroutine: move pooling to common code
2013-02-22 21:21:10 +01:00
qemu-doc.texi
sheepdog: add support for connecting to unix domain socket
2013-03-04 09:54:17 +01:00
qemu-img-cmds.hx
qemu-img: Add compare subcommand
2013-02-22 21:21:10 +01:00
qemu-img.c
block: Add options QDict to bdrv_open() prototype
2013-03-15 16:07:49 +01:00
qemu-img.texi
qemu-img: Add compare subcommand
2013-02-22 21:21:10 +01:00
qemu-io.c
block: Add options QDict to bdrv_file_open() prototypes
2013-03-22 17:51:31 +01:00
qemu-log.c
qemu-log: default to stderr for logging output
2013-02-26 13:31:47 -06:00
qemu-nbd.c
block: Add options QDict to bdrv_open() prototype
2013-03-15 16:07:49 +01:00
qemu-nbd.texi
qemu-nbd: add --discard option
2013-02-22 21:29:43 +01:00
qemu-options-wrapper.h
…
qemu-options.h
…
qemu-options.hx
Fix typos and misspellings
2013-03-22 13:25:07 +01:00
qemu-seccomp.c
softmmu: move include files to include/sysemu/
2012-12-19 08:32:45 +01:00
qemu-tech.texi
qemu-tech.texi: update implemented xtensa features list
2012-11-29 13:00:52 -06:00
qemu-timer.c
softmmu: move include files to include/sysemu/
2012-12-19 08:32:45 +01:00
qemu.sasl
…
qmp-commands.hx
migration: do not sent zero pages in bulk stage
2013-03-26 13:32:33 +01:00
qmp.c
softmmu: move remaining include files to include/ subdirectories
2012-12-19 08:32:46 +01:00
qtest.c
qtest: Add MMIO support
2013-02-18 08:39:10 -06:00
readline.c
readline: Fix unchecked strdup() by converting to g_strdup()
2013-01-30 11:14:46 +01:00
README
…
rules.mak
rules/mak: make clean should blow away timestamp files
2013-01-30 01:31:08 +02:00
savevm.c
savevm: Add VMSTATE_FLOAT64 helpers
2013-03-26 13:30:49 +01:00
spice-qemu-char.c
spice-qemu-char: Remove dead debugging code
2013-03-14 09:46:18 +01:00
tcg-runtime.c
tcg: Implement multiword multiply helpers
2013-02-23 17:25:28 +00:00
tci.c
exec: move include files to include/exec/
2012-12-19 08:31:31 +01:00
thread-pool.c
threadpool: drop global thread pool
2013-03-15 16:07:51 +01:00
thunk.c
exec: move include files to include/exec/
2012-12-19 08:31:31 +01:00
trace-events
console: rework DisplaySurface handling [vga emu side]
2013-03-18 10:21:58 +01:00
translate-all.c
tcg: Fix occasional TCG broken problem when ldst optimization enabled
2013-03-22 21:38:21 +01:00
translate-all.h
cputlb: Pass CPUState to cpu_unlink_tb()
2013-02-16 14:51:00 +01:00
user-exec.c
Replace all setjmp()/longjmp() with sigsetjmp()/siglongjmp()
2013-02-23 16:11:19 +00:00
VERSION
Open up 1.5 development tree
2013-02-15 17:40:56 -06:00
version.rc
…
vl.c
add a boot option to do strict boot
2013-03-19 08:00:10 -05:00
xbzrle.c
Move XBZRLE encoding code to a separate file to allow testing
2013-02-01 08:32:20 +01:00
xen-all.c
cpu: Move halted and interrupt_request fields to CPUState
2013-03-12 10:35:55 +01:00
xen-mapcache.c
softmmu: move include files to include/sysemu/
2012-12-19 08:32:45 +01:00
xen-stub.c
exec: move include files to include/exec/
2012-12-19 08:31:31 +01:00

README 

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

- QEMU team
Description
QEMU With E2K User Support
Readme 459 MiB
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