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...This patch intends to accurate vcpu weighting for CPU intensive job. The reason of this problem is that vcpu round-robin queue blocks large weight vcpus by small weight vcpus. For example, we assume following case on 2pcpu environment. (with 4domains (each domain has 2vcpus)) dom1 vcpu0,1 w128 credit 4 dom2 vcpu0,1 w128 credit 4 dom3 vcpu0,1 w256 credit 8 dom4 vcpu0,1 w512 credit 15 d4v0 gets 15ms credit each time. but if 3vcpus are blocking,(like d1v0, d2v0, d3v0) d4v0 credit becomes over 30msec(45msec=15x3times). Then d4v0 credit cleared. This makes d4v0 uses smaller credit than expected...

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In order to avoid high-frequency cpu migration, vcpus may in fact be scheduled slightly out-of-order. Account for this situation properly. Signed-off-by: George Dunlap <george.dunlap@eu.citrix.com> credit2: Fix erronous ASSERT In order to avoid high-frequency cpu migration, vcpus may in fact be scheduled slightly out-of-order. Account for this situation properly. v2: - Update comment - <= 0 Signed-off-by: George Dunlap <george.dunlap@eu.citrix.com> --- xen/common/sched_credit2.c |...

Add a xen command-line parameter, sched_credit_tslice_ms, to set the timeslice of the credit1 scheduler. Signed-off-by: George Dunlap <george.dunlap@eu.citrix.com> diff -r 4a4882df5649 -r 782284c5b1bc xen/common/sched_credit.c --- a/xen/common/sched_credit.c Wed Aug 31 15:23:49 2011 +0100 +++ b/xen/common/sched_credit.c Thu Sep 01 16:29...

...a special way to format the data in order to avoid this error, or am I completely confused on what the error implies? "Error in randomForest.default(m, y, ...) : Can not handle categorical predictors with more than 32 categories." This is generated from the command line: > credit.rf <- randomForest(V16 ~ ., data=credit, mtry=2, importance = TRUE, do.trace=100) The data set is the credit-screening data from the UCI respository, ftp://ftp.ics.uci.edu/pub/machine-learning-databases/credit-screening/crx.data. This data consists of 690 samples and 16 attributes. The attr...

...rly obvious, but I guess not. It mimics what Breiman and Cutler's Fortran code does.) I suspect you showed us the output from two different runs, so they don't match. It does for me: > library(randomForest) randomForest 4.5-4 Type rfNews() to see new features/changes/bug fixes. > credit <- read.csv(url("ftp://ftp.ics. > credit <- read.csv(url("ftp://ftp.ics.uci.edu/pub/machine-learning-databases/credit-sc reening/crx.data"), header=FALSE, na.string="?") > credit.rf <- randomForest(V16~., credit, imp=T, do.trace=100, na.action=na.omit) ntree...

...eued in > > > > > a per-socket list. These buffers are preallocated by the guest > > > > > with a fixed size (4 KB). > > > > > > > > > > The maximum amount of memory used by each socket should be > > > > > controlled by the credit mechanism. > > > > > The default credit available per-socket is 256 KB, but if we use > > > > > only 1 byte per packet, the guest can queue up to 262144 of 4 KB > > > > > buffers, using up to 1 GB of memory per-socket. In addition, the > > > &gt...

...eued in > > > > > a per-socket list. These buffers are preallocated by the guest > > > > > with a fixed size (4 KB). > > > > > > > > > > The maximum amount of memory used by each socket should be > > > > > controlled by the credit mechanism. > > > > > The default credit available per-socket is 256 KB, but if we use > > > > > only 1 byte per packet, the guest can queue up to 262144 of 4 KB > > > > > buffers, using up to 1 GB of memory per-socket. In addition, the > > > &gt...

Hi! I`m using xen 3.0.2 on a Debian Sarge 3,1 (XEON machine)! By default my scheduler is "sedf", ok?! I would like to change it to the "credit"! I tried to set the parameter "sched=credit" in my grub config, but when I try to use the command "xm sched-credit -d <domain>" and others, it doesn`t work! But if I try "xm sched-sedf -l" it works! I think that the scheduler is not changing correctly!...

And also put my name behind the mainternship. Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> --- MAINTAINERS | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/MAINTAINERS b/MAINTAINERS index 0358a3e..e2252fc 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -193,8 +193,9 @@ F: xen/include/xen/iommu.h LINUX (PV_OPS) M: Jeremy Fitzhardinge

Modified function runq_candidate in the credit 2 scheduler to have it consider hard and soft affinity when choosing the next vCPU from the run queue to run on the given pCPU. Function now chooses the vCPU with the most credit that has hard affinity and maybe soft affinity for the given pCPU. If it does not have soft affinity and there is anoth...

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

Hi list I plan to implement a prepaid solution where the system needs to check for remaining credit periodically during a call. The reason for this is that this is a system where the credit pool can be used simultaneously by more people, and not only for calling. I have a problem figuring how to be able to run logic while a call is in progress. The L(x:y:z) option to Dial() is good, but not q...

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...I''m personally finding that I can''t seem to change the list element positioning in a rails unit test using move_higher/move_lower, although move_to_top works. (See code following below) Cheers, N ---- # model defs class AccountTransaction < ActiveRecord::Base has_many :credits, :foreign_key => ''transaction_id'', :order => ''position ASC'' end class Credit < ActiveRecord::Base belongs_to :account_transaction, :foreign_key => ''transaction_id'' belongs_to :account acts_as_list :scope => :transaction...

...ocket list. These buffers are preallocated by the guest > > > > > > > with a fixed size (4 KB). > > > > > > > > > > > > > > The maximum amount of memory used by each socket should be > > > > > > > controlled by the credit mechanism. > > > > > > > The default credit available per-socket is 256 KB, but if we use > > > > > > > only 1 byte per packet, the guest can queue up to 262144 of 4 KB > > > > > > > buffers, using up to 1 GB of memory per-socket. In ad...

...ocket list. These buffers are preallocated by the guest > > > > > > > with a fixed size (4 KB). > > > > > > > > > > > > > > The maximum amount of memory used by each socket should be > > > > > > > controlled by the credit mechanism. > > > > > > > The default credit available per-socket is 256 KB, but if we use > > > > > > > only 1 byte per packet, the guest can queue up to 262144 of 4 KB > > > > > > > buffers, using up to 1 GB of memory per-socket. In ad...

...shed to the guest using the vring, are directly queued in > > > a per-socket list. These buffers are preallocated by the guest > > > with a fixed size (4 KB). > > > > > > The maximum amount of memory used by each socket should be > > > controlled by the credit mechanism. > > > The default credit available per-socket is 256 KB, but if we use > > > only 1 byte per packet, the guest can queue up to 262144 of 4 KB > > > buffers, using up to 1 GB of memory per-socket. In addition, the > > > guest will continue to fill the v...

...shed to the guest using the vring, are directly queued in > > > a per-socket list. These buffers are preallocated by the guest > > > with a fixed size (4 KB). > > > > > > The maximum amount of memory used by each socket should be > > > controlled by the credit mechanism. > > > The default credit available per-socket is 256 KB, but if we use > > > only 1 byte per packet, the guest can queue up to 262144 of 4 KB > > > buffers, using up to 1 GB of memory per-socket. In addition, the > > > guest will continue to fill the v...