search for: cpupools

Hi, the implementation of xl cpupool-numa-split is broken. It basically deals with only one poolid, but there are two to consider: the one from the original root CPUpool, the other from the newly created one. On my machine the current output looks like: root@dosorca:/data/images# xl cpupool-numa-split libxl: error: libxl.c:2803:libxl_create_cpupool Could not create cpupool error on creating

When using sedf scheduler in a cpupool the system might panic when setting sedf scheduling parameters for a domain. Signed-off-by: juergen.gross@ts.fujitsu.com 1 file changed, 4 insertions(+) xen/common/sched_sedf.c | 4 ++++ _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel

# HG changeset patch # User George Dunlap <george.dunlap@eu.citrix.com> # Date 1345022863 -3600 # Node ID 0982bad392e4f96fb39a025d6528c33be32c6c04 # Parent dc56a9defa30312a46cfb6ddb578e64cfbc6bc8b xl: Suppress spurious warning message for cpupool-list libxl_cpupool_list() enumerates the cpupools by "probing": calling cpupool_info, starting at 0 and stopping when it gets an error. However, cpupool_info will print an error when the call to xc_cpupool_getinfo() fails, resulting in every xl command that uses libxl_list_cpupool (such as cpupool-list) printing that error message spurio...

Since the key information can be fairly simply put on the command-line, there''s no need to require an actual config file. Also improve the help to cross-reference the xlcpupool.cfg manpage. Signed-off-by: George Dunlap <george.dunlap@eu.citrix.com> diff -r 30cc13e25e01 -r 0fb728d56bae docs/man/xl.pod.1 --- a/docs/man/xl.pod.1 Tue Apr 03 19:02:19 2012 +0100 +++ b/docs/man/xl.pod.1

Prevent xl from doing any operation if xend daemon is running. That prevents bugs that happened when xl and xend raced to close a domain. Changes since v1: * Add documentation to xl man page. * Permit the execution of commands that don''t modify anything. * Indent error message. Cc: george.dunlap@eu.citrix.com Cc: ian.jackson@eu.citrix.com Signed-off-by: Roger Pau Monne

When reducing the number of physical cpus available for Domain-0 by xl cpupool-numa-split, reduce the number of vcpus accordingly. Signed-off-by: juergen.gross@ts.fujitsu.com 1 file changed, 20 insertions(+), 2 deletions(-) tools/libxl/xl_cmdimpl.c | 22 ++++++++++++++++++++-- _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com

Hi, although advertised via the usage output, xl cpupool-list -l just returns ERROR_NI, which does not show up on the console. Instead the output is empty, which is not exactly what --long hints to. To avoid confusion remove the line from the help output and just ignore the -l option properly until it gets finally implemented. Signed-off-by: Andre Przywara <andre.przywara@amd.com>

in _csched_cpu_pick(), as not doing so may result in the domain''s node-affinity mask (as retrieved by csched_balance_cpumask() ) and online mask (as retrieved by cpupool_scheduler_cpumask() ) having an empty intersection. Therefore, when attempting a node-affinity load balancing step and running this: ... /* Pick an online CPU from the proper affinity mask */

# xl cpupool-create ''name="pool2" sched="credit2"'' command line:2: config parsing error near `sched'': syntax error, unexpected IDENT, expecting NEWLINE or '';'' Failed to parse config file: Invalid argument *** glibc detected *** xl: free(): invalid pointer: 0x0000000001a79a10 *** Segmentation fault (core dumped) Looking at the code

Add a man page describing the configuration file for creating cpupools via xl cpupool-create. Signed-off-by: Juergen Gross <juergen.gross@ts.fujitsu.com> 1 file changed, 117 insertions(+) docs/man/xlcpupool.cfg.pod.5 | 117 ++++++++++++++++++++++++++++++++++++++++++ _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen...

...q(v); + vcpu_sleep_nosync(v); + vcpu_migrate(v); + } + else + { + vcpu_schedule_unlock_irq(v); + } + } + + domain_update_node_affinity(d); +} + /* * This function is used by cpu_hotplug code from stop_machine context * and from cpupools to switch schedulers on a cpu. @@ -554,7 +586,7 @@ int cpu_disable_scheduler(unsigned int cpu) int ret = 0; c = per_cpu(cpupool, cpu); - if ( (c == NULL) || (system_state == SYS_STATE_suspend) ) + if ( c == NULL ) return ret; for_each_domain_in_cpupool ( d, c )...

Hi All it is possible to tune dom0/domU for better IO/network performance? Since I have changed to Cenots7 dom0, I have a really poor IO performance inside a PV VM. I have already done what is described on http://wiki.xenproject.org/wiki/Tuning_Xen_for_Performance It is better now but still significantly worse than with centos6 dom0 my settings: xen parameter: dom0_mem=1024M cpufreq=xen

What are the outstanding things to do before we think we can start on the 4.2 -rc''s? Does anyone have a timetable in mind? hypervisor: * ??? - Keir, Tim, Jan? tools: * libxl stable API -- we would like 4.2 to define a stable API which downstream''s can start to rely on not changing. Aspects of this are: * event handling (IanJ working

Hi all (and Mr. Dunlap in particular), I have a question about the credit (and ultimately credit2) scheduler that I hope you can help me with. I have read the white paper "Scheduler development update" and as much material on the credit scheduler as I can find, but I am still not completely clear on how I should think about the cap. Example scenario: Server hardware: 2

...lpers [PATCH 07 of 10 v3] libxl: explicitly check for libmath in autoconf Is where data structures, utility functions and infrastructure are introduced. * [PATCH 08 of 10 v3] libxl: enable automatic placement of guests on NUMA nodes * [PATCH 09 of 10 v3] libxl: have NUMA placement deal with cpupools Host the core of the mechanism. * [PATCH 10 of 10 v3] Some automatic NUMA placement documentation For some more documentation. Thanks a lot and Regards, Dario -- <<This happens because I choose it to happen!>> (Raistlin Majere) ----------------------------------------------------...

Hi, I am using Xen 4.2.3 installed on an Intel Atom with a Debian Dom0 and 3 Debian domU''s installed. I am trying to run some benchmarks using the Arinc653 scheduler. I have edited my grub options to boot with ''maxcpus=1 sched=arinc653'' options. I can boot the dom0 and verify that the scheduler is enabled. However when I xl create, the VM is created but I cannot

If the domain''s NUMA node-affinity is being specified by the user/toolstack (instead of being automatically computed by Xen), we really should stick to that. This means domain_update_node_affinity() is wrong when it filters out some stuff from there even in "!auto" mode. This commit fixes that. Of course, this does not mean node-affinity is always honoured (e.g., a vcpu

a, libxl_event.h is included in libxl.h. So, the former one also need to be installed. b, define __XEN_TOOLS__ in libxl.h: the head file "xen/sysctl.h" need check this macro. It is the same way used by the xen libxc public headers(tools/libxc/xenctrl.h and tools/libxc/xenctrlosdep.h). Signed-off-by: Bamvor Jian Zhang <bjzhang@suse.com> diff -r 87218bd367be

Hi, list, A VMM provides a VMCS for each VM. How does the VMM assign system resources for each VM? For example, in a multi-core environment, how can I enable the VMM to run, say, on a two-core intel''s processor while I am able to force a VM to execute only on a specific core upon initializing the Guest OS ? that is to say, how I can assure the VM to believe that there is only one physical

Address some credit2 issues. This patch series, along with the recent changes to the cpupools interface, should address some of the strange credit2 instability. _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel