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c0656720ab
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99 Commits

Author SHA1 Message Date
Rafal Wojtczuk
c0656720ab DVM: if needed, qfileexchgd will recreate DVM savefile 
It would be nice to have some progress notification, as dvm setup is
slow.
 2010-09-21 22:23:38 +02:00
Rafal Wojtczuk
e13e5027c3 qubes_dvm init.d script 
We want to set up a default dvm if needed at boot time; for this,
the default netvm must have been already started. Therefore, we
need a qubes_dvm script, that executes after qubes_netvm.
 2010-09-21 21:46:11 +02:00
Rafal Wojtczuk
c22a6ebb84 DVM: make qvm-get-default-template use the default template, if asked 
Via options --default-template and --default-script
 2010-09-21 18:40:15 +02:00
Rafal Wojtczuk
c0cac005ec Tiny logging fix in qfileexchgd 
...that is impossible to happen, naturally.
 2010-09-21 16:00:40 +02:00
Rafal Wojtczuk
ca1122cd6a Add QubesDisposableVm and use class 2010-09-21 15:59:22 +02:00
Rafal Wojtczuk
6afdffa96f qvm-dom0-network-via-netvm script (ticket #20) 2010-09-21 13:36:46 +02:00
Joanna Rutkowska
4e7ce5f90c qubes.py: another small fix to QubesHost :) 2010-09-16 20:11:35 +02:00
Joanna Rutkowska
8292c25713 Merge branch 'qmemman' of git://qubes-os.org/rafal/core 2010-09-16 20:01:40 +02:00
Joanna Rutkowska
157a18c244 qubes.py: a small fix to QubesHost 2010-09-16 18:47:05 +02:00
Joanna Rutkowska
268789fc4c dom0/qvm-core/qubes.py: added QubesHost class 2010-09-16 17:52:52 +02:00
Rafal Wojtczuk
c411519220 qmemman: do not trim the mem-set value too much 
We used to mem-set the domain to 0.995*calculated_value; 5 promils of 4GB
is ca 19MB, and it is too visible. Use 0.999 instead of 0.995
 2010-09-16 16:40:09 +02:00
Rafal Wojtczuk
eea01fba3b qmemman: in is_balance_req_significant(), account for Xen free memory 2010-09-16 16:00:07 +02:00
Rafal Wojtczuk
e476531b0e Leave XEN_FREE_MEM_LEFT of Xen free memory. 
Needed for driver domain, to be able to get contiguous memory for
its drivers.
 2010-09-16 15:57:11 +02:00
Joanna Rutkowska
0f1700ef3d Merge branch 'comment1' of git://qubes-os.org/rafal/core 
Conflicts:
	dom0/restore/qubes_restore.c
 2010-09-16 15:55:35 +02:00
Joanna Rutkowska
70f8a7401c Make 'make clean' clean all the object files 2010-09-15 15:36:04 +02:00
Joanna Rutkowska
9b8c018bc2 Merge branch 'qmemman' of git://qubes-os.org/rafal/core 2010-09-13 15:05:13 +02:00
Rafal Wojtczuk
0c1f21a28e qmemman: when a AppVM is low on memory, allow small adjustments 
A small AppVM (say, with 100MB total) can go below prefmem, and
still not be assigned memory, because of the MIN_TOTAL_MEMORY_TRANSFER
threshold.
So, if AppVM is below prefmem, allow for smaller mem-sets.
 2010-09-10 11:35:30 +02:00
Rafal Wojtczuk
f6e3607d2d qmemman: offload some processing to meminfo-writer 
Make meminfo-writer compute used memory, and report to qmemman only if
it has changed significantly enough. As it is written in C, its code is
much faster that qmemman-server; also in the idle case, it saves on xenstore
communication overhead. Allows to send updates up to 10 times per second,
with CPU load on the VM below 0.1%.
 2010-09-09 17:51:53 +02:00
Rafal Wojtczuk
51e14fc8bb qmemman: trigger do_balance() on receiving /proc/meminfo data 2010-09-09 12:36:18 +02:00
Rafal Wojtczuk
f4e46b63a4 qmemman: in client code, set FD_CLOEXEC on qmmemman.socket 2010-09-09 12:33:48 +02:00
Rafal Wojtczuk
7545789a26 qmemman: now parse_meminfo takes a single argument 2010-09-09 11:30:02 +02:00
Rafal Wojtczuk
9c609a23bf qmemman: move /proc/meminfo parsing to qmemman_algo 
Just cosmetics, to make code layout more coherent.
 2010-09-09 11:24:04 +02:00
Rafal Wojtczuk
24b3baf063 qmemman: use 'Memtotal' from /proc/meminfo to calculate used memory 
Previously, memory_actual (retrieved from xen) was used; it can be inconsistent.
'Memtotal' can be spoofed, but anyway we rely on other fields from /proc/meminfo.
 2010-09-09 11:08:20 +02:00
Rafal Wojtczuk
5a33ed71ce qmemman: use the fact that balloon driver retries 
Apparently even if there is not enough xen memory to balloon up,
balloon driver will try to fulfill the request later, when
some memory is freed. Thus, in do_balloon, do not limit mem_set
to the available memory.
 2010-09-09 10:36:13 +02:00
Rafal Wojtczuk
87d1e973c7 qmemman: print balance stats only when updating 2010-09-09 10:29:35 +02:00
Rafal Wojtczuk
8d377d19dc DVM: added missing fix_savefile_all 2010-09-07 17:45:52 +02:00
Rafal Wojtczuk
6472e8c926 DVM: fix savefile to contain ip address 
needed for routed networking
 2010-09-07 17:36:28 +02:00
Rafal Wojtczuk
2dd9bab23a DVM: add --dvm option to qvm-start 
Currently it only forces to use a fake IP address, which can be
replaced during restore time.
 2010-09-07 16:15:24 +02:00
Rafal Wojtczuk
5be12f8459 qmemman: switch off memory balancing when doing xm save 
Apparently, it interferes:
INFO (XendCheckpoint:417) ERROR Internal error: Could not get vcpu context
INFO (XendCheckpoint:417) ERROR Internal error: Failed to map/save the p2m frame list
 2010-09-07 16:00:14 +02:00
Rafal Wojtczuk
11abef3439 qmemman: xc.domain_set_target_mem can throw exceptions, too 2010-09-07 13:10:48 +02:00
Rafal Wojtczuk
a013973806 Use vif-route-qubes. 2010-09-06 17:24:12 +02:00
Rafal Wojtczuk
31e7e96056 Switch to routed VM network (instead of bridging) 
No headache from layer 2 attacks.
 2010-09-06 17:07:42 +02:00
Rafal Wojtczuk
64e8013dc2 Unify dom0 and netvm sysconfig/iptables 
Plus:
- dedicated chain for DNAT to nameservers
- prevent intervm networking. Can be conveniently overriden in necessary cases
by inserting ACCEPT clauses (per VM, probably) at the top of FORWARD
 2010-09-06 15:10:01 +02:00
Rafal Wojtczuk
22df517425 qmemman: detect domain list change by watching /vm, not /local/domain 
The latter triggers on every memory/meminfo key update, which needlessly
adds xenstore requests.
 2010-09-06 10:46:36 +02:00
Rafal Wojtczuk
7dcb7cb196 qmemman: don't use xenapi, use hypercalls to do mem-set 2010-09-03 16:19:48 +02:00
Rafal Wojtczuk
10408d61db qmemman: when low on memory, do not make a VM go below prefmem 
Now the balance() has two different cases: enough memory and low_on_memory.
In the former, distribute memory proportianally; in the former, dont do this, as this
makes a VM go below prefmem.
 2010-09-01 12:40:02 +02:00
Rafal Wojtczuk
80771763cf qmemman: limit total memory transfer, not each one 2010-09-01 10:39:39 +02:00
Rafal Wojtczuk
c66e0848f3 qmemman: limit domain memory to 2G to workaround for xen xml-rpc limitation 
File "/usr/lib64/python2.6/xmlrpclib.py", line 710, in dump_int
    raise OverflowError, "int exceeds XML-RPC limits"
OverflowError: int exceeds XML-RPC limits
How crappy.
 2010-08-31 16:19:01 +02:00
Rafal Wojtczuk
de2619fbed qmemman: wrap xenapi.memset within try/except 
It can fail e.g. when a domain is being shutdown with a pretty
message like
 File "/usr/lib64/python2.6/site-packages/xen/xend/XendDomainInfo.py", line 1322, in setMemoryTarget
    (target * 1024))
Error: (1, 'Operation not permitted')
 2010-08-31 15:53:24 +02:00
Rafal Wojtczuk
eb6755e93c qmemman: fix locking 
We want balance() to wait on a lock even after balloon() has finished,
until socket client has closed.
 2010-08-30 14:50:48 +02:00
Rafal Wojtczuk
2eba4c1c15 I will test before commit. I will test before commit. I will... 2010-08-30 12:01:42 +02:00
Rafal Wojtczuk
f3561b7aad Fix restore completion detection in appvm/qubes_core 2010-08-30 11:43:30 +02:00
Rafal Wojtczuk
62487c0f1e Memory management across VMs, first release 2010-08-30 11:40:19 +02:00
Rafal Wojtczuk
8a022d7904 core.git/dom0/pendrive_swapper/README 2010-08-03 09:03:32 +02:00
Rafal Wojtczuk
cee9d6b4d6 Added comments to nonobvious code fragments 2010-08-03 07:12:59 +02:00
Joanna Rutkowska
4d26334709 dom0/init.d/qubes_core: set Dom0 mem to 1600M 2010-07-30 16:00:18 +02:00
Joanna Rutkowska
557984f4b9 minor ident fixes 2010-07-30 15:59:43 +02:00
Rafal Wojtczuk
4cf0a61858 Before restoring DVM, check for available xen memory 
As we already do xm mem-set 0 800 in qubes_core, this is a
correct check. Now, there should be no errors from qubes_restore
in normal circumstances.
 2010-07-27 16:08:09 +02:00
Joanna Rutkowska
3856f7cdbd qvm-create-default-dvm: use gray label for dvm-template (be consitent with VM template label) 2010-07-27 12:47:18 +02:00
Rafal Wojtczuk
b578aab5d5 qubes_prepare_saved_domain.sh: Check exit code of xm save 2010-07-21 12:57:02 +02:00