From: Bing Niu
Signed-off-by: Bing Niu
---
docs/news.xml | 9 +
1 file changed, 9 insertions(+)
diff --git a/docs/news.xml b/docs/news.xml
index 2f0c010..c6d03f5 100644
--- a/docs/news.xml
+++ b/docs/news.xml
@@ -44,6 +44,15 @@
iscsiadm. It support basic pool operations
From: Bing Niu
Add return value check to virResctrlAllocForeachCache in
virDomainCachetuneDefFormat. The virResctrlAllocForeachCache dose have
return value, so need check return value to make sure function executed
without error.
Signed-off-by: Bing Niu
---
src/conf/domain_conf.c | 8
From: Bing Niu
Factor out vcpus overlapping detecting part from
virDomainCachetuneDefParse and introduce virDomainResctrlVcpuMatch.
Instead of allocating virResctrlAllocPtr by default, allocating
virResctrlAllocPtr after confirm vcpus not overlap with existing ones.
And virDomainResctrlVcpuMatch
From: Bing Niu
Introduce a new section memorytune to support memory bandwidth allocation.
This is consistent with existing cachetune. As the example:
below:
..
vpus --- vpus subjected to this memory bandwidth.
id--- on which node memory bandwidth
From: Bing Niu
Introduce virResctrlMemoryBandwidthSubtract and
virResctrlAllocMemoryBandwidth to be used as part of
the virResctrlAllocAssign processing to configure
the available memory bandwidth.
Signed-off-by: Bing Niu
---
src/util/virresctrl.c | 105
From: Bing Niu
If we have some membw_info data, then we need to calculate the number
of MBA controllers on the system. The value cannot be obtained from a
direct query to the RDT kernel module, but it is the same as the last
level cache value which is calculated by traversing the cache hierarchy
From: Bing Niu
Introduce virResctrlAllocMemoryBandwidthFormat and
virResctrlAllocParseMemoryBandwidthLine which will format
and parse an entry in the schemata file for MBA.
Signed-off-by: Bing Niu
---
src/util/virresctrl.c | 141 ++
1 file
From: Bing Niu
Introduce an API to allow setting of the MBA from domain XML.
Signed-off-by: Bing Niu
---
src/libvirt_private.syms | 1 +
src/util/virresctrl.c| 48
src/util/virresctrl.h| 5 +
3 files changed, 54 insertions
From: Bing Niu
Factor out vcpus virDomainResctrlDef update from
virDomainCachetuneDefParse and introduce virDomainResctrlAppend.
virDomainResctrlAppend will format vcpus string and append a new
virDomainResctrlDef to virDomainDefPtr. So that this logic can
be reusable.
Signed-off-by: Bing Niu
From: Bing Niu
Add new XML section to report host's memory bandwidth allocation
capability. The format as below example:
.
granularity granularity of memory bandwidth, unit percentage.
min minimum memory bandwidth allowed, unit
From: Bing Niu
Refactor virResctrlAllocFormat so that it is easy to support other
resource allocation technologies.
Signed-off-by: Bing Niu
Reviewed-by: John Ferlan
---
src/util/virresctrl.c | 41 ++---
1 file changed, 26 insertions(+), 15 deletions
From: Bing Niu
Resctrl not only supports cache tuning, but also memory bandwidth
tuning. Renaming cachetune to resctrl to reflect that. With resctrl,
all allocation for different resources (cache, memory bandwidth) are
aggregated and represented by a virResctrlAllocPtr inside
virDomainResctrlDef
From: Bing Niu
Introduce an API that will traverse the memory bandwidth data calling
a callback function for each defined bandwidth entry.
Signed-off-by: Bing Niu
---
src/libvirt_private.syms | 1 +
src/util/virresctrl.c| 33 +
src/util/virresctrl.h
From: Bing Niu
Extract vcpus parsing part from virDomainCachetuneDefParse into one
function called virDomainResctrlParseVcpus. So that vcpus parsing logic
can be reused by other resource control technologies. Adjust error
message and use node->name so that the error message can fit to
From: Bing Niu
This series is to introduce RDT memory bandwidth allocation support by extending
current virresctrl implementation.
The Memory Bandwidth Allocation (MBA) feature provides indirect and approximate
control over memory bandwidth available per-core. This feature provides a
method
From: Bing Niu
Some functions in virresctrl are for CAT only, while some of other
functions are for resource allocation, not just CAT. So change
their names to reflect the reality.
Signed-off-by: Bing Niu
Reviewed-by: John Ferlan
---
src/conf/domain_conf.c | 8
src
From: Bing Niu
Introducing virResctrlInfoMemBW for the information memory bandwidth
allocation information.
Signed-off-by: Bing Niu
Reviewed-by: John Ferlan
---
src/util/virresctrl.c | 84 +++
1 file changed, 84 insertions(+)
diff --git a/src
From: Bing Niu
Separate resctrl common information parts from CAT specific parts,
so that common information parts can be reused among different
resource allocation technologies.
Signed-off-by: Bing Niu
Reviewed-by: John Ferlan
---
src/util/virresctrl.c | 32
From: Bing Niu
Add memory bandwidth allocation support to virresctrl class.
Introducing virResctrlAllocMemBW which is used for allocating memory
bandwidth. Following virResctrlAllocPerType, it also employs a
nested sparse array to indicate whether allocation is available for
particular last
From: Bing Niu
Add new XML section to report host's memory bandwidth allocation
capability. The format as below example:
.
granularity granularity of memory bandwidth, unit percentage.
min minimum memory bandwidth allowed, unit
From: Bing Niu
Factor out vcpus virDomainResctrlDef update from
virDomainCachetuneDefParse and introduce virDomainUpdateResctrl.
virDomainUpdateResctrl will format vcpus string and update
virDomainResctrlDef in virDomainDefPtr. So that this logic can
be reusable.
Signed-off-by: Bing Niu
From: Bing Niu
Add return value check to virResctrlAllocForeachCache in
virDomainCachetuneDefFormat. The virResctrlAllocForeachCache dose have
return value, so need check return value to make sure function execute
without error.
Signed-off-by: Bing Niu
---
src/conf/domain_conf.c | 8
From: Bing Niu
Introduce a new section memorytune to support memory bandwidth allocation.
This is consistent with existing cachetune. As the example:
below:
..
vpus --- vpus subjected to this memory bandwidth.
id--- on which node memory bandwidth
From: Bing Niu
Introduce an API to allow setting of the MBA from domain XML.
Signed-off-by: Bing Niu
---
src/libvirt_private.syms | 1 +
src/util/virresctrl.c| 48
src/util/virresctrl.h| 5 +
3 files changed, 54 insertions
From: Bing Niu
Extract vcpus parsing part from virDomainCachetuneDefParse into one
function called virDomainResctrlParseVcpus. So that vcpus parsing logic
can be reused by other resource control technologies. Adjust error
message and use node->name so that the error message can fit to
From: Bing Niu
Factor out vcpus overlapping detecting part from
virDomainCachetuneDefParse and introduce virDomainResctrlVcpuMatch.
Instead of allocating virResctrlAllocPtr by default, allocating
virResctrlAllocPtr after confirm vcpus not overlap with existing ones.
And virDomainResctrlVcpuMatch
From: Bing Niu
Introduce virResctrlAllocMemoryBandwidthFormat and
virResctrlAllocParseMemoryBandwidthLine which will format
and parse an entry in the schemata file for MBA.
Signed-off-by: Bing Niu
---
src/util/virresctrl.c | 141 ++
1 file
From: Bing Niu
Introduce an API that will traverse the memory bandwidth data calling
a callback function for each defined bandwidth entry.
Signed-off-by: Bing Niu
---
src/libvirt_private.syms | 1 +
src/util/virresctrl.c| 33 +
src/util/virresctrl.h
From: Bing Niu
Add memory bandwidth allocation support to virresctrl class.
Introducing virResctrlAllocMemBW which is used for allocating memory
bandwidth. Following virResctrlAllocPerType, it also employs a
nested sparse array to indicate whether allocation is available for
particular last
From: Bing Niu
Resctrl not only supports cache tuning, but also memory bandwidth
tuning. Renaming cachetune to resctrl to reflect that. With resctrl,
all allocation for different resources (cache, memory bandwidth) are
aggregated and represented by a virResctrlAllocPtr inside
virDomainResctrlDef
From: Bing Niu
Introduce virResctrlMemoryBandwidthSubtract and
virResctrlAllocMemoryBandwidth to be used as part of
the virResctrlAllocAssign processing to configure
the available memory bandwidth.
Signed-off-by: Bing Niu
---
src/util/virresctrl.c | 105
From: Bing Niu
Refactor virResctrlAllocFormat so that it is easy to support other
resource allocation technologies.
Signed-off-by: Bing Niu
Reviewed-by: John Ferlan
---
src/util/virresctrl.c | 41 ++---
1 file changed, 26 insertions(+), 15 deletions
From: Bing Niu
Separate resctrl common information parts from CAT specific parts,
so that common information parts can be reused among different
resource allocation technologies.
Signed-off-by: Bing Niu
Reviewed-by: John Ferlan
---
src/util/virresctrl.c | 32
From: Bing Niu
If we have some membw_info data, then we need to calculate the number
of MBA controllers on the system. The value cannot be obtained from a
direct query to the RDT kernel module, but it is the same as the last
level cache value which is calculated by traversing the cache hierarchy
From: Bing Niu
Some functions in virresctrl are for CAT only, while some of other
functions are for resource allocation, not just CAT. So change
their names to reflect the reality.
Signed-off-by: Bing Niu
Reviewed-by: John Ferlan
---
src/conf/domain_conf.c | 8
src
From: Bing Niu
This series is to introduce RDT memory bandwidth allocation support by extending
current virresctrl implementation.
The Memory Bandwidth Allocation (MBA) feature provides indirect and approximate
control over memory bandwidth available per-core. This feature provides a
method
From: Bing Niu
Introducing virResctrlInfoMemBW for the information memory bandwidth
allocation information.
Signed-off-by: Bing Niu
Reviewed-by: John Ferlan
---
src/util/virresctrl.c | 84 +++
1 file changed, 84 insertions(+)
diff --git a/src
From: Bing Niu
Add memory bandwidth allocation support to virresctrl class.
Introducing virResctrlAllocMemBW which is used for allocating memory
bandwidth. Following virResctrlAllocPerType, it also employs a
nested sparse array to indicate whether allocation is available for
particular last
From: Bing Niu
Resctrl not only supports cache tuning, but also memory bandwidth
tuning. Renaming cachetune to restune(resource tuning) to reflect
that. With restune, all allocation for different resources (cache,
memory bandwidth) are aggregated and represented by a
virResctrlAllocPtr inside
From: Bing Niu
Refactor virResctrlAllocFormat so that it is easy to support other
resource allocation technologies.
Signed-off-by: Bing Niu
---
src/util/virresctrl.c | 43 ---
1 file changed, 28 insertions(+), 15 deletions(-)
diff --git a/src/util
From: Bing Niu
Separate resctrl common information parts from CAT specific parts,
so that common information parts can be reused among different
resource allocation technologies.
Signed-off-by: Bing Niu
---
src/util/virresctrl.c | 31 ++-
1 file changed, 22
From: Bing Niu
Introduce a new section memorytune to support memory bandwidth allocation.
This is consistent with existing cachetune. As the example:
below:
..
vpus --- vpus subjected to this memory bandwidth.
id--- on which node memory bandwidth
From: Bing Niu
Refactoring virDomainCachetuneDefParse, extracting vcpus extracting,
overlapping detecting and new resctrl allocation creating logic.
Those two logic is common among different resource allocation
technologies.
Signed-off-by: Bing Niu
---
src/conf/domain_conf.c | 195
From: Bing Niu
Some functions in virresctrl are for CAT only, while some of other
functions are for resource allocation, not just CAT. So change
their names to reflect the reality.
Signed-off-by: Bing Niu
---
src/conf/domain_conf.c | 8
src/libvirt_private.syms | 4 ++--
src/util
From: Bing Niu
Add new XML section to report host's memory bandwidth allocation
capability. The format as below example:
.
granularity granularity of memory bandwidth, unit percentage.
min minimum memory bandwidth allowed, unit
From: Bing Niu
This series is to introduce RDT memory bandwidth allocation support by extending
current virresctrl implementation.
The Memory Bandwidth Allocation (MBA) feature provides indirect and approximate
control over memory bandwidth available per-core. This feature provides a
method
From: Bing Niu
Introducing virResctrlInfoMemBW for the information memory bandwidth
allocation information. Those information is used for memory
bandwidth allocating.
Signed-off-by: Bing Niu
---
src/util/virresctrl.c | 104 ++
1 file changed
From: Bing Niu
Add memory bandwidth allocation support basing on existing
virresctrl implementation. Two new structures virResctrlInfoMB
and virResctrlAllocMB are introduced.
virResctrlInfoMB is used to record host system MBA supporting
information, e.g., minimum bandwidth allowed, bandwidth
From: Bing Niu
Introduce a new section memorytune to support memory bandwidth allocation.
This is consistent with existing cachetune . As the example
below:
id--- on which node memory bandwidth to be set
bandwidth --- the memory bandwidth percent
From: Bing Niu
Renaming some functions and packing some CAT logic into functions
Signed-off-by: Bing Niu
---
src/conf/domain_conf.c | 2 +-
src/libvirt_private.syms | 2 +-
src/util/virresctrl.c| 93 +++-
src/util/virresctrl.h| 16
From: Bing Niu
resctrl not only supports cache tuning, but also memory bandwidth
tuning. Rename cachetune to restune(resource tuning) to reflect
that.
Signed-off-by: Bing Niu
---
src/conf/domain_conf.c | 44 ++--
src/conf/domain_conf.h | 10
From: Bing Niu
Add new XML section to report host's memory bandwidth allocation
capability. The format as below example:
.
granularity granularity of memory bandwidth, unit percentage.
min minimum memory bandwidth allowed
From: Bing Niu
This series is to introduce RDT memory bandwidth allocation support by extending
current virresctrl implementation.
The Memory Bandwidth Allocation (MBA) feature provides indirect and approximate
control over memory bandwidth available per-core. This feature provides a
method
From: Bing Niu
This series is to introduce RDT memory bandwidth allocation support by extending
current virresctrl implementation.
The Memory Bandwidth Allocation (MBA) feature provides indirect and approximate
control over memory bandwidth available per-core. This feature provides a
method
From: Bing Niu
Add memory bandwidth allocation support basing on existing
virresctrl implementation. Two new structures virResctrlInfoMB
and virResctrlAllocMB are introduced.
virResctrlInfoMB is used to record host system MBA supporting
information, e.g., minimum bandwidth allowed, bandwidth
From: Bing Niu
Extend current cachetune section to support memory bandwidth allocation.
Add a new cachetune element llc for memory allocation. As the example
below:
id--- on which last level cache memory bandwidth to be set
bandwidth --- the memory
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