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070afca258
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Jason J. Herne 070afca258 migration: Dynamic cpu throttling for auto-converge 
Remove traditional auto-converge static 30ms throttling code and replace it
with a dynamic throttling algorithm.

Additionally, be more aggressive when deciding when to start throttling.
Previously we waited until four unproductive memory passes. Now we begin
throttling after only two unproductive memory passes. Four seemed quite
arbitrary and only waiting for two passes allows us to complete the migration
faster.

Signed-off-by: Jason J. Herne <jjherne@linux.vnet.ibm.com>
Reviewed-by: Matthew Rosato <mjrosato@linux.vnet.ibm.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
2015-09-30 09:42:04 +02:00
audio ossaudio: fix memory leak 2015-07-08 13:11:01 +02:00
backends qemu-char: Use g_new() & friends where that makes obvious sense 2015-09-16 17:33:33 +02:00
block * First batch of MAINTAINERS updates 2015-09-25 21:52:30 +01:00
bsd-user * Support for jemalloc 2015-09-14 16:13:16 +01:00
crypto crypto: introduce new module for handling TLS sessions 2015-09-15 15:07:43 +01:00
default-configs spapr: Initialize hotplug memory address space 2015-09-23 10:51:10 +10:00
disas typofixes - v4 2015-09-11 10:45:43 +03:00
docs * First batch of MAINTAINERS updates 2015-09-25 21:52:30 +01:00
dtc@65cc4d2748 dtc: Update dtc / libfdt submodule to version 1.4.0 2015-06-03 23:56:49 +02:00
fpu target-s390x: define default NaN values 2015-06-05 01:37:58 +02:00
fsdev maint: remove unused include for dirent.h 2015-09-11 10:21:38 +03:00
gdb-xml s390x/gdb: support reading/writing of control registers 2015-09-07 16:10:43 +02:00
hw * First batch of MAINTAINERS updates 2015-09-25 21:52:30 +01:00
include cpu: Provide vcpu throttling interface 2015-09-30 09:42:04 +02:00
libdecnumber typofixes - v4 2015-09-11 10:45:43 +03:00
linux-headers vhost: rename VHOST_RESET_OWNER to VHOST_RESET_DEVICE 2015-09-24 16:27:52 +03:00
linux-user ppc: Rename ELF_MACHINE to be PPC specific 2015-09-25 12:04:44 +02:00
migration migration: Dynamic cpu throttling for auto-converge 2015-09-30 09:42:04 +02:00
net Remove muldiv64() by using period instead of frequency 2015-09-25 18:03:19 +01:00
pc-bios pseries: Update SLOF firmware image to qemu-slof-20150813 2015-09-23 10:51:09 +10:00
pixman@87eea99e44 pixman: update internal copy to pixman-0.32.6 2014-09-15 08:14:19 +02:00
po Update language files for QEMU 2.4.0 2015-09-11 10:21:38 +03:00
qapi utils: rename strtosz to use qemu prefix 2015-09-25 12:04:41 +02:00
qga typofixes - v4 2015-09-11 10:45:43 +03:00
qobject Include qapi/qmp/qerror.h exactly where needed 2015-06-22 18:20:41 +02:00
qom qom: Fix invalid error check in property_get_str() 2015-09-19 08:10:12 +02:00
roms pseries: Update SLOF firmware image to qemu-slof-20150813 2015-09-23 10:51:09 +10:00
scripts get_maintainer.pl: \C is deprecated 2015-09-25 12:04:41 +02:00
slirp slirp: Fix non blocking connect for w32 2015-09-24 20:52:28 +02:00
stubs monitor: remove target-specific code from monitor.c 2015-09-16 17:33:32 +02:00
target-alpha alpha: Remove ELF_MACHINE from cpu.h 2015-09-25 12:04:44 +02:00
target-arm * First batch of MAINTAINERS updates 2015-09-25 21:52:30 +01:00
target-cris cris: Remove ELF_MACHINE from cpu.h 2015-09-25 12:04:43 +02:00
target-i386 i386: interrupt poll processing 2015-09-25 12:04:44 +02:00
target-lm32 lm32: Remove ELF_MACHINE from cpu.h 2015-09-25 12:04:43 +02:00
target-m68k m68k: Remove ELF_MACHINE from cpu.h 2015-09-25 12:04:43 +02:00
target-microblaze mb: Remove ELF_MACHINE from cpu.h 2015-09-25 12:04:43 +02:00
target-mips mips: Remove ELF_MACHINE from cpu.h 2015-09-25 12:04:44 +02:00
target-moxie moxie: Remove ELF_MACHINE from cpu.h 2015-09-25 12:04:43 +02:00
target-openrisc or32: Remove ELF_MACHINE from cpu.h 2015-09-25 12:04:44 +02:00
target-ppc ppc: Rename ELF_MACHINE to be PPC specific 2015-09-25 12:04:44 +02:00
target-s390x s390: Remove ELF_MACHINE from cpu.h 2015-09-25 12:04:44 +02:00
target-sh4 sh4: Remove ELF_MACHINE from cpu.h 2015-09-25 12:04:44 +02:00
target-sparc sparc: Remove ELF_MACHINE from cpu.h 2015-09-25 12:04:44 +02:00
target-tilegx target-tilegx: Handle v1shl, v1shru, v1shrs 2015-09-15 07:45:34 -07:00
target-tricore tricore: Remove ELF_MACHINE from cpu.h 2015-09-25 12:04:44 +02:00
target-unicore32 unicore: Remove ELF_MACHINE from cpu.h 2015-09-25 12:04:43 +02:00
target-xtensa xtensa: Remove ELF_MACHINE from cpu.h 2015-09-25 12:04:44 +02:00
tcg tcg/mips: pass oi to tcg_out_tlb_load 2015-09-19 11:53:15 +02:00
tests * First batch of MAINTAINERS updates 2015-09-25 21:52:30 +01:00
trace Remove superfluous '\n' around error_report() 2015-03-10 08:15:33 +03:00
ui ui/cocoa.m: remove open dialog code 2015-09-25 23:14:00 +01:00
util utils: rename strtosz to use qemu prefix 2015-09-25 12:04:41 +02:00
.exrc qemu: add .exrc 2012-09-07 09:02:44 +03:00
.gitignore libcacard: use the standalone project 2015-09-23 23:34:17 +02:00
.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: optimize clearing the EventNotifier 2015-07-22 12:41:40 +01:00
aio-win32.c AioContext: optimize clearing the EventNotifier 2015-07-22 12:41:40 +01:00
arch_init.c smbios: move smbios code into a common folder 2015-08-13 14:08:30 +03:00
async.c AioContext: force event loop iteration using BH 2015-07-29 10:02:06 +01:00
balloon.c Include monitor/monitor.h exactly where needed 2015-06-22 18:20:41 +02:00
block.c block: Allow specifying driver-specific options to reopen 2015-09-14 16:51:36 +02:00
blockdev-nbd.c Include monitor/monitor.h exactly where needed 2015-06-22 18:20:41 +02:00
blockdev.c block: Drop drv parameter from bdrv_open() 2015-09-14 16:51:36 +02:00
blockjob.c blockjob: add block_job_release function 2015-07-07 14:27:14 +01:00
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: update mixed declaration rules 2015-09-09 15:34:54 +02:00
configure oslib-win32: only provide localtime_r/gmtime_r if missing 2015-09-24 21:13:49 +02:00
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-common.c cpu-exec: Migrate some generic fns to cpu-exec-common 2015-09-16 17:33:33 +02:00
cpu-exec.c i386: partial revert of interrupt poll fix 2015-09-25 12:04:44 +02:00
cpus.c cpu: Provide vcpu throttling interface 2015-09-30 09:42:04 +02:00
cputlb.c cputlb: Change tlb_set_dirty() arg to cpu 2015-09-16 17:33:33 +02:00
device_tree.c device_tree: Fix a typo 2015-07-27 22:44:47 +03:00
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: make monitor_fprintf and mon_get_cpu externally visible 2015-09-25 12:04:42 +02:00
dma-helpers.c range: remove useless inclusions 2015-04-30 16:05:48 +03:00
dump.c Include qapi/qmp/qerror.h exactly where needed 2015-06-22 18:20:41 +02:00
exec.c include/exec: Move cputlb exec.c defs out 2015-09-16 17:33:33 +02:00
gdbstub.c * Support for jemalloc 2015-09-14 16:13:16 +01:00
HACKING HACKING: Document vaddr type usage 2013-07-23 02:41:31 +02:00
hmp-commands-info.hx hmp: added io apic dump state 2015-09-25 12:04:42 +02:00
hmp-commands.hx monitor: allow device_del to accept QOM paths 2015-09-22 11:31:56 +02:00
hmp.c migration: Parameters for auto-converge cpu throttling 2015-09-30 09:42:04 +02:00
hmp.h hmp: add info iothreads command 2015-09-04 13:26:26 +02:00
iohandler.c iohandler: Use aio API 2015-09-07 18:14:03 +02:00
ioport.c - miscellaneous cleanups for TCG (Emilio) and NBD (Bogdan) 2015-04-30 12:04:11 +01:00
iothread.c rcu: actually register threads that have RCU read-side critical sections 2015-07-24 13:57:45 +02:00
kvm-all.c intc/gic: Extract some reusable vGIC code 2015-09-24 01:29:36 +01:00
kvm-stub.c kvm: some fixes to kvm_resamplefds_allowed 2015-07-06 12:15:14 -06:00
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 iohandler: Use aio API 2015-09-07 18:14:03 +02:00
MAINTAINERS * First batch of MAINTAINERS updates 2015-09-25 21:52:30 +01:00
Makefile Makefile: fix build when VPATH is outside GIT tree 2015-09-25 12:04:41 +02:00
Makefile.objs libcacard: use the standalone project 2015-09-23 23:34:17 +02:00
Makefile.target * Linux header update and cleanup 2015-09-16 18:06:54 +01:00
memory_mapping.c memory_mapping: Rework cpu related includes 2015-06-26 16:00:50 +02:00
memory.c memory: Fix bad error handling in memory_region_init_ram_ptr() 2015-09-18 14:39:39 +02:00
module-common.c module: implement module loading 2014-02-20 13:14:18 +01:00
monitor.c monitor: make monitor_fprintf and mon_get_cpu externally visible 2015-09-25 12:04:42 +02:00
nbd.c nbd: release exp->blk after all clients are closed 2015-09-16 17:33:33 +02:00
numa.c Fix bad error handling after memory_region_init_ram() 2015-09-18 14:39:29 +02:00
os-posix.c rcu: do not create thread in pthread_atfork callback 2015-04-01 10:06:38 +02:00
os-win32.c maint: remove unused include for signal.h 2015-09-11 10:21:38 +03:00
page_cache.c maint: remove unused include for strings.h 2015-09-11 10:21:38 +03:00
qapi-schema.json migration: Parameters for auto-converge cpu throttling 2015-09-30 09:42:04 +02:00
qdev-monitor.c monitor: allow device_del to accept QOM paths 2015-09-22 11:31:56 +02:00
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: Use g_new() & friends where that makes obvious sense 2015-09-16 17:33:33 +02:00
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 monitor: added generation of documentation for hmp-commands-info.hx 2015-09-16 17:33:33 +02:00
qemu-ga.texi qga: start a man page 2015-09-01 13:16:26 -05:00
qemu-img-cmds.hx qemu-img: Add progress output for amend 2014-11-03 11:41:48 +00:00
qemu-img.c utils: rename strtosz to use qemu prefix 2015-09-25 12:04:41 +02:00
qemu-img.texi maint: remove / fix many doubled words 2015-09-11 10:21:38 +03:00
qemu-io-cmds.c utils: rename strtosz to use qemu prefix 2015-09-25 12:04:41 +02:00
qemu-io.c qemu-io: Remove duplicate 'open' error message 2015-09-14 16:51:36 +02:00
qemu-log.c qemu-log: Correct help text of 'log cpu_reset' 2015-02-10 09:27:20 +03:00
qemu-nbd.c qemu-nbd: convert to use the QAPI SocketAddress object 2015-09-25 12:04:40 +02:00
qemu-nbd.texi nbd: Miscellaneous typo fixes. 2014-05-24 00:07:29 +04:00
qemu-options-wrapper.h vl.c: In qemu -h output, only print options for the arch we are running as 2011-12-19 10:27:33 -06:00
qemu-options.h
qemu-options.hx vhost-user: add multiple queue support 2015-09-24 16:27:53 +03:00
qemu-seccomp.c seccomp: add mlockall to whitelist 2015-01-23 14:07:08 +01:00
qemu-tech.texi doc: Refresh URLs in the qemu-tech documentation 2015-09-25 12:20:21 +02:00
qemu-timer.c qemu-timer: initialize "timers_done_ev" to set 2015-07-22 12:41:32 +01:00
qemu.nsi nsis: Add QEMU version information to Windows registry 2015-09-24 20:52:28 +02:00
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 monitor: allow device_del to accept QOM paths 2015-09-22 11:31:56 +02:00
qmp.c qom: Don't use 'gen': false for qom-get, qom-set, object-add 2015-09-21 09:56:49 +02:00
qtest.c Init page sizes in qtest 2015-09-29 11:33:02 +05:30
README Use qemu-project.org domain name 2013-10-11 09:34:56 -07:00
rules.mak make: load only required dependency files. 2015-08-13 14:08:25 +03:00
softmmu_template.h softmmu: remove now unused functions 2015-09-11 08:16:05 -07:00
spice-qemu-char.c spice: fix spice_chr_add_watch() pre-condition 2015-05-29 09:56:01 +02:00
tcg-runtime.c tcg: Push tcg-runtime routines into exec/helper-* 2014-05-28 09:33:54 -07:00
tci.c tcg: Move tci_tb_ptr to -common 2015-09-16 17:33:33 +02:00
thread-pool.c thread-pool: clean up thread_pool_completion_bh() 2015-04-28 15:36:09 +02:00
thunk.c linux-user: Allocate thunk size dynamically 2015-06-15 11:36:58 +03:00
tpm.c Include monitor/monitor.h exactly where needed 2015-06-22 18:20:41 +02:00
trace-events migration: size_t'ify some of qemu-file 2015-09-29 11:33:02 +05:30
translate-all.c translate: move real_host_page setting to -common 2015-09-16 17:33:33 +02:00
translate-all.h translate-all: remove unnecessary argument to tb_invalidate_phys_range 2015-06-05 17:09:59 +02:00
translate-common.c translate: move real_host_page setting to -common 2015-09-16 17:33:33 +02:00
user-exec.c osdep.h: Remove qemu_printf 2015-08-19 16:29:53 +01:00
VERSION Open 2.5 development tree 2015-08-11 23:15:55 +01:00
version.rc Use qemu-project.org domain name 2013-10-11 09:34:56 -07:00
vl.c migration: yet more possible state transitions 2015-09-30 09:42:04 +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 migration: Fix regression for xenfv and pc,accel=xen machine. 2015-08-03 16:13:40 +00:00
xen-hvm-stub.c pc: Remove redundant arguments from xen_hvm_init() 2015-09-10 11:05:40 +03:00
xen-hvm.c Fix bad error handling after memory_region_init_ram() 2015-09-18 14:39:29 +02:00
xen-mapcache.c maint: avoid useless "if (foo) free(foo)" pattern 2015-09-11 10:21:38 +03:00

README 

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

- QEMU team