Hi Marc, Paolo,
On Wed, Sep 22, 2021 at 8:37 AM Paolo Bonzini wrote:
>
> On 22/09/21 13:22, Marc Zyngier wrote:
> > Frankly, this is a job for BPF and the tracing subsystem, not for some
> > hardcoded syndrome accounting. It would allow to extract meaningful
> > information, prevent bloat, and cr
Arch specific exit reasons have been available for other architectures.
Add arch specific exit reason support for ARM64, which would be used in
KVM stats for monitoring VCPU status.
Signed-off-by: Jing Zhang
---
arch/arm64/include/asm/kvm_emulate.h | 5 +++
arch/arm64/include/asm/kvm_host.h
These logarithmic histogram stats are useful for monitoring performance
of handling for different kinds of VCPU exit reasons.
Signed-off-by: Jing Zhang
---
arch/arm64/include/asm/kvm_host.h | 36
arch/arm64/kvm/arm.c | 4 ++
arch/arm64/kvm/guest.c| 43
The exit reason stats can be used for monitoring the VCPU status.
Signed-off-by: Jing Zhang
---
arch/arm64/include/asm/kvm_host.h | 33 ---
arch/arm64/kvm/guest.c| 33 +++
arch/arm64/kvm/handle_exit.c | 22
Hi Marc,
On Wed, Aug 18, 2021 at 1:11 AM Marc Zyngier wrote:
>
> On Tue, 17 Aug 2021 01:26:39 +0100,
> Jing Zhang wrote:
> >
> > Add a new stat that counts the number of times a remote TLB flush is
> > requested, regardless of whether it kicks vCPUs out of guest mode.
Add a new stat that counts the number of times a remote TLB flush is
requested, regardless of whether it kicks vCPUs out of guest mode. This
allows us to look at how often flushes are initiated.
Original-by: David Matlack
Signed-off-by: Jing Zhang
---
arch/arm64/kvm/mmu.c | 1 +
include
On Thu, Jul 29, 2021 at 12:56 PM Oliver Upton wrote:
>
> Most other architectures that implement KVM record a statistic
> indicating the number of times a vCPU has exited due to a pending
> signal. Add support for that stat to arm64.
>
> Cc: Jing Zhang
> Signed
On Mon, Jun 21, 2021 at 6:35 PM Paolo Bonzini wrote:
>
> On 22/06/21 00:58, Jing Zhang wrote:
> >> Pass it as an argument?
> > The num_desc can only be initialized in the same file that defines the
> > descriptor array.
> > Looks like we have to have a
On Mon, Jun 21, 2021 at 5:45 PM Paolo Bonzini wrote:
>
> On 21/06/21 19:46, Jing Zhang wrote:
> >> const struct kvm_stats_header kvm_vm_stats_header = {
> >> .name_size = KVM_STATS_NAME_SIZE,
> >> .num_desc = num_desc,
> > The pr
On Mon, Jun 21, 2021 at 11:54 AM Paolo Bonzini wrote:
>
> On 19/06/21 00:27, Jing Zhang wrote:
> > +/**
> > + * kvm_stats_read() - Common vm/vcpu stats read function to userspace.
>
> Common function to read from the binary statistics file descriptor.
>
> > + *
On Mon, Jun 21, 2021 at 11:46 AM Paolo Bonzini wrote:
>
> On 19/06/21 00:27, Jing Zhang wrote:
> > + struct kvm_vcpu_stat stat;
> > struct kvm_dirty_ring dirty_ring;
> > + char stats_id[KVM_STATS_NAME_SIZE];
>
> I think stats_id needs to be part of th
-by: Krish Sadhukhan
Reviewed-by: Fuad Tabba
Tested-by: Fuad Tabba #arm64
Signed-off-by: Jing Zhang
---
arch/arm64/kvm/guest.c| 21
arch/mips/kvm/mips.c | 44
arch/powerpc/kvm/book3s.c | 45
arch/powerpc/kvm/booke.c | 38
zhan...@google.com
[8] https://lore.kernel.org/kvm/20210611124624.1404010-1-jingzhan...@google.com
[9] https://lore.kernel.org/kvm/20210614212155.1670777-1-jingzhan...@google.com
[10] https://lore.kernel.org/kvm/20210617044146.2667540-1-jingzhan...@google.com
[11] https://lore.kernel.org/kvm/202106
tlack
Reviewed-by: Ricardo Koller
Reviewed-by: Krish Sadhukhan
Reviewed-by: Fuad Tabba
Signed-off-by: Jing Zhang
---
Documentation/virt/kvm/api.rst | 198 -
1 file changed, 197 insertions(+), 1 deletion(-)
diff --git a/Documentation/virt/kvm/api.rst b/Documentation
-by: Ricardo Koller
Reviewed-by: Krish Sadhukhan
Signed-off-by: Jing Zhang
---
arch/arm64/include/asm/kvm_host.h | 9 ++---
arch/arm64/kvm/guest.c | 12 ++--
arch/mips/include/asm/kvm_host.h| 9 ++---
arch/mips/kvm/mips.c| 12 ++--
arch
: Krish Sadhukhan
Reviewed-by: Fuad Tabba
Tested-by: Fuad Tabba #arm64
Signed-off-by: Jing Zhang
---
arch/arm64/kvm/guest.c| 15 ++
arch/mips/kvm/mips.c | 15 ++
arch/powerpc/kvm/book3s.c | 17
arch/powerpc/kvm/booke.c | 17
arch
To remove code duplication, use the binary stats descriptors for
debugfs interface for KVM stats. Then we only have one stats
definitions for both binary and debugfs interface.
Signed-off-by: Jing Zhang
---
arch/arm64/kvm/guest.c| 16 --
arch/mips/kvm/mips.c | 39
Add selftest to check KVM stats descriptors validity.
Reviewed-by: David Matlack
Reviewed-by: Ricardo Koller
Reviewed-by: Krish Sadhukhan
Tested-by: Fuad Tabba #arm64
Signed-off-by: Jing Zhang
---
tools/testing/selftests/kvm/.gitignore| 1 +
tools/testing/selftests/kvm/Makefile
eded.
Reviewed-by: David Matlack
Reviewed-by: Ricardo Koller
Reviewed-by: Krish Sadhukhan
Reviewed-by: Fuad Tabba
Tested-by: Fuad Tabba #arm64
Signed-off-by: Jing Zhang
---
arch/arm64/kvm/Makefile | 2 +-
arch/mips/kvm/Makefile| 2 +-
arch/powerpc/kvm/Makefile | 2 +-
arch/s3
Hi Paolo,
On Fri, Jun 18, 2021 at 10:51 AM Paolo Bonzini wrote:
>
> On 18/06/21 10:23, Greg KH wrote:
> > On Fri, Jun 18, 2021 at 10:02:57AM +0200, Paolo Bonzini wrote:
> >> On 18/06/21 09:00, Greg KH wrote:
> +struct kvm_stats_header {
> + __u32 name_size;
> + __u32 count;
> >>>
On Fri, Jun 18, 2021 at 3:23 AM Greg KH wrote:
>
> On Fri, Jun 18, 2021 at 10:02:57AM +0200, Paolo Bonzini wrote:
> > On 18/06/21 09:00, Greg KH wrote:
> > > > +struct kvm_stats_header {
> > > > + __u32 name_size;
> > > > + __u32 count;
> > > > + __u32 desc_offset;
> > > > + __u32 data_offset;
> >
On Fri, Jun 18, 2021 at 2:01 AM Greg KH wrote:
>
> On Fri, Jun 18, 2021 at 04:48:14AM +, Jing Zhang wrote:
> > This commit defines the API for userspace and prepare the common
> > functionalities to support per VM/VCPU binary stats data readings.
> >
> > The KV
On Fri, Jun 18, 2021 at 1:57 AM Greg KH wrote:
>
> Minor comment nits:
>
> On Fri, Jun 18, 2021 at 04:48:14AM +, Jing Zhang wrote:
> > +/*
> > + * Common vm/vcpu stats read function to userspace.
>
> Should you use a real kernel-doc style here? You almost are
On Fri, Jun 18, 2021 at 1:58 AM Greg KH wrote:
>
> On Fri, Jun 18, 2021 at 04:48:15AM +, Jing Zhang wrote:
> > Add a VM ioctl to get a statistics file descriptor by which a read
> > functionality is provided for userspace to read out VM stats header,
> > descriptors
: Krish Sadhukhan
Reviewed-by: Fuad Tabba
Tested-by: Fuad Tabba #arm64
Signed-off-by: Jing Zhang
---
arch/arm64/kvm/guest.c| 14 +
arch/mips/kvm/mips.c | 14 +
arch/powerpc/kvm/book3s.c | 16 +++
arch/powerpc/kvm/booke.c | 16 +++
arch/s390
-by: Ricardo Koller
Reviewed-by: Krish Sadhukhan
Signed-off-by: Jing Zhang
---
arch/arm64/include/asm/kvm_host.h | 9 ++---
arch/arm64/kvm/guest.c | 12 ++--
arch/mips/include/asm/kvm_host.h| 9 ++---
arch/mips/kvm/mips.c| 12 ++--
arch
https://lore.kernel.org/kvm/20210603211426.790093-1-jingzhan...@google.com
[8] https://lore.kernel.org/kvm/20210611124624.1404010-1-jingzhan...@google.com
[9] https://lore.kernel.org/kvm/20210614212155.1670777-1-jingzhan...@google.com
[10] https://lore.kernel.org/kvm/20210617044146.2667540-1-jingzhan...@
To remove code duplication, use the binary stats descriptors for
debugfs interface for KVM stats. Then we only have one stats
definitions for both binary and debugfs interface.
Signed-off-by: Jing Zhang
---
arch/arm64/kvm/guest.c| 16 --
arch/mips/kvm/mips.c | 39
-by: Krish Sadhukhan
Reviewed-by: Fuad Tabba
Tested-by: Fuad Tabba #arm64
Signed-off-by: Jing Zhang
---
arch/arm64/kvm/guest.c| 20 +++
arch/mips/kvm/mips.c | 43 +++
arch/powerpc/kvm/book3s.c | 44
arch/powerpc/kvm/booke.c | 37 +
arch
tlack
Reviewed-by: Ricardo Koller
Reviewed-by: Krish Sadhukhan
Reviewed-by: Fuad Tabba
Signed-off-by: Jing Zhang
---
Documentation/virt/kvm/api.rst | 176 -
1 file changed, 175 insertions(+), 1 deletion(-)
diff --git a/Documentation/virt/kvm/api.rst b/Documentation
eded.
Reviewed-by: David Matlack
Reviewed-by: Ricardo Koller
Reviewed-by: Krish Sadhukhan
Reviewed-by: Fuad Tabba
Tested-by: Fuad Tabba #arm64
Signed-off-by: Jing Zhang
---
arch/arm64/kvm/Makefile | 2 +-
arch/mips/kvm/Makefile| 2 +-
arch/powerpc/kvm/Makefile | 2 +-
arch/s3
Add selftest to check KVM stats descriptors validity.
Reviewed-by: David Matlack
Reviewed-by: Ricardo Koller
Reviewed-by: Krish Sadhukhan
Tested-by: Fuad Tabba #arm64
Signed-off-by: Jing Zhang
---
tools/testing/selftests/kvm/.gitignore| 1 +
tools/testing/selftests/kvm/Makefile
Hi Greg,
On Thu, Jun 17, 2021 at 10:20 AM Jing Zhang wrote:
>
> Hi Greg,
>
> On Thu, Jun 17, 2021 at 12:56 AM Greg KH wrote:
> >
> > On Thu, Jun 17, 2021 at 04:41:44AM +, Jing Zhang wrote:
> > > + struct kvm_stats_desc {
> > > +
On Thu, Jun 17, 2021 at 6:34 AM Greg KH wrote:
>
> On Thu, Jun 17, 2021 at 01:19:50PM +0200, Paolo Bonzini wrote:
> > On 17/06/21 08:07, Greg KH wrote:
> > > > The statistics data itself could be read out by userspace telemetry
> > > > periodically without any extra parsing or setup effort.
> > >
On Thu, Jun 17, 2021 at 6:32 AM Paolo Bonzini wrote:
>
> On 17/06/21 07:56, Greg KH wrote:
> > On Thu, Jun 17, 2021 at 04:41:44AM +, Jing Zhang wrote:
> >> +struct kvm_stats_desc {
> >> +__u32 flags;
> >> +__s16
On Thu, Jun 17, 2021 at 10:29 AM Paolo Bonzini wrote:
>
> On 17/06/21 16:56, Jing Zhang wrote:
> > Actually, it is really not easy to separate this change into two patches
> > even by
> > following Paolo's suggestion. And it would be a surprise to userspace to s
Hi Greg,
On Thu, Jun 17, 2021 at 1:05 AM Greg KH wrote:
>
> On Thu, Jun 17, 2021 at 04:41:44AM +, Jing Zhang wrote:
> > +The file descriptor can be used to read VM/vCPU statistics data in binary
> > +format. The file data is organized into thr
Hi Greg,
On Thu, Jun 17, 2021 at 12:56 AM Greg KH wrote:
>
> On Thu, Jun 17, 2021 at 04:41:44AM +, Jing Zhang wrote:
> > + struct kvm_stats_desc {
> > + __u32 flags;
> > + __s16 exponent;
> > + __u16 size;
Hi Greg,
On Thu, Jun 17, 2021 at 12:52 AM Greg KH wrote:
>
> On Thu, Jun 17, 2021 at 04:41:44AM +, Jing Zhang wrote:
> > + struct kvm_stats_desc {
> > + __u32 flags;
> > + __s16 exponent;
> > + __u16 size;
Hi Greg,
On Thu, Jun 17, 2021 at 2:24 AM Greg KH wrote:
>
> On Thu, Jun 17, 2021 at 04:41:43AM +, Jing Zhang wrote:
> > Provides a file descriptor per VM to read VM stats info/data.
> > Provides a file descriptor per vCPU to read vCPU stats info/data.
>
> Should
Hi Greg,
On Thu, Jun 17, 2021 at 2:03 AM Greg KH wrote:
>
> On Thu, Jun 17, 2021 at 04:41:43AM +, Jing Zhang wrote:
> > Provides a file descriptor per VM to read VM stats info/data.
> > Provides a file descriptor per vCPU to read vCPU stats info/data.
> >
>
To remove code duplication, use the binary stats descriptors for
debugfs interface for KVM stats. Then we only have one stats
definitions for both binary and debugfs interface.
Signed-off-by: Jing Zhang
---
arch/arm64/kvm/guest.c| 16 --
arch/mips/kvm/mips.c | 39
d Tabba
Tested-by: Fuad Tabba #arm64
Signed-off-by: Jing Zhang
---
arch/arm64/kvm/guest.c| 38 +
arch/mips/kvm/mips.c | 61 ++
arch/powerpc/kvm/book3s.c | 64 +++
arch/powerpc/kvm/booke.c | 57 +
arch/s390/kvm/kv
-by: Ricardo Koller
Reviewed-by: Krish Sadhukhan
Signed-off-by: Jing Zhang
---
arch/arm64/include/asm/kvm_host.h | 9 ++---
arch/arm64/kvm/guest.c | 12 ++--
arch/mips/include/asm/kvm_host.h| 9 ++---
arch/mips/kvm/mips.c| 12 ++--
arch
Add selftest to check KVM stats descriptors validity.
Reviewed-by: David Matlack
Reviewed-by: Ricardo Koller
Reviewed-by: Krish Sadhukhan
Tested-by: Fuad Tabba #arm64
Signed-off-by: Jing Zhang
---
tools/testing/selftests/kvm/.gitignore| 1 +
tools/testing/selftests/kvm/Makefile
m
[6] https://lore.kernel.org/kvm/20210524151828.4113777-1-jingzhan...@google.com
[7] https://lore.kernel.org/kvm/20210603211426.790093-1-jingzhan...@google.com
[8] https://lore.kernel.org/kvm/20210611124624.1404010-1-jingzhan...@google.com
[9] https://lore.kernel.org/kvm/20210614212155.1670777-1-jingzha
tlack
Reviewed-by: Ricardo Koller
Reviewed-by: Krish Sadhukhan
Reviewed-by: Fuad Tabba
Signed-off-by: Jing Zhang
---
Documentation/virt/kvm/api.rst | 177 -
1 file changed, 176 insertions(+), 1 deletion(-)
diff --git a/Documentation/virt/kvm/api.rst b/Documentation
Hi Fuad,
On Tue, Jun 15, 2021 at 3:03 AM Fuad Tabba wrote:
>
> Hi Jing,
>
> > +int main(int argc, char *argv[])
> > +{
> > + int max_vm = DEFAULT_NUM_VM, max_vcpu = DEFAULT_NUM_VCPU, ret, i, j;
> > + struct kvm_vm **vms;
> > +
> > + /* Get the number of VMs and VCPUs that would
On Wed, Jun 16, 2021 at 12:12 PM Paolo Bonzini wrote:
>
> On 14/06/21 23:21, Jing Zhang wrote:
> > + /* Copy kvm stats values */
> > + copylen = header->header.data_offset + size_stats - pos;
> > + copylen = min(copylen, remain);
> > + if (cop
On Mon, Jun 14, 2021 at 4:53 AM Paolo Bonzini wrote:
>
> On 14/06/21 04:53, Jing Zhang wrote:
> > This is a follow-up patchset to binary stats interface patchset as below:
> > https://lore.kernel.org/kvm/20210611124624.1404010-1-jingzhan...@google.com
> >
> > This
Hi Paolo,
On Mon, Jun 14, 2021 at 4:51 AM Paolo Bonzini wrote:
>
> On 14/06/21 04:53, Jing Zhang wrote:
> > + STATS_DESC_ICOUNTER_RONLY(VM, lpages),
> > + STATS_DESC_ICOUNTER_RONLY(VM, nx_lpage_splits),
> > STATS_DESC_ICOUNTER(VM, max_mmu_page_hash_collision
Hi Fuad,
On Mon, Jun 14, 2021 at 4:50 AM Fuad Tabba wrote:
>
> Hi Jing,
>
> On Mon, Jun 14, 2021 at 3:53 AM Jing Zhang wrote:
> >
> > Add static check to make sure the number of stats descriptors equals
> > the number of stats defined in vm/vcpu stats structures.
Hi Fuad,
On Mon, Jun 14, 2021 at 2:57 AM Fuad Tabba wrote:
>
> Hi Jing,
>
>
> On Thu, Jun 3, 2021 at 10:14 PM Jing Zhang wrote:
> >
> > Update KVM API documentation for binary statistics.
> >
> > Reviewed-by: David Matlack
> > Reviewed-by:
some missing/mismatched stats from previous patch.
Signed-off-by: Jing Zhang
---
arch/arm64/kvm/guest.c| 16 +--
arch/mips/kvm/mips.c | 60 ++--
arch/powerpc/kvm/book3s.c | 68 +++--
arch/powerpc/kvm/booke.c | 54 ++-
arch/s390/kvm/kvm-s390.c
Update documentation to reflect that stats descriptor supports new
flags for read/write mode and an offset field is added in stats
descriptor.
Signed-off-by: Jing Zhang
---
Documentation/virt/kvm/api.rst | 33 ++---
1 file changed, 26 insertions(+), 7 deletions
ugh not permitted in VM level in the original debugfs
code.
---
Jing Zhang (4):
KVM: stats: Make sure no missing or mismatched binary stats definition
KVM: stats: Use binary stats descriptors for debugfs interface
KVM: stats: Update documentation supporting stats mode and offset
KVM: self
To avoid duplication, use the binary stats descriptors for
debugfs interface for KVM stats. Then we only have one stats
definitions for both binary and debugfs interface.
Signed-off-by: Jing Zhang
---
arch/arm64/kvm/guest.c| 16 --
arch/mips/kvm/mips.c | 39 --
arch
Update binary stats selftest to support sanity test for stats
read/write mode and offset.
Signed-off-by: Jing Zhang
---
tools/testing/selftests/kvm/kvm_binary_stats_test.c | 13 +++--
1 file changed, 11 insertions(+), 2 deletions(-)
diff --git a/tools/testing/selftests/kvm
Hi Faud,
On Sun, Jun 13, 2021 at 10:20 AM Fuad Tabba wrote:
>
> Hi Jing,
>
> > diff --git a/arch/mips/kvm/mips.c b/arch/mips/kvm/mips.c
> > index ff205b35719b..eb8fd4a96952 100644
> > --- a/arch/mips/kvm/mips.c
> > +++ b/arch/mips/kvm/mips.c
> > @@ -38,6 +38,58 @@
> > #define VECTORSPACING 0x100
On Fri, Jun 11, 2021 at 10:18 AM Paolo Bonzini wrote:
>
> On 11/06/21 17:00, Jing Zhang wrote:
> > To avoid duplication, remove the debugfs interface for KVM stats,
> > since the fd-based binary stats interface is available.
>
> That would be too easy. :) We need to keep
Hi Paolo,
On Fri, Jun 11, 2021 at 10:00 AM Jing Zhang wrote:
>
> To avoid duplication, remove the debugfs interface for KVM stats,
> since the fd-based binary stats interface is available.
>
> Signed-off-by: Jing Zhang
> ---
> arch/arm64/kvm/guest.c| 16 ---
&g
To avoid duplication, remove the debugfs interface for KVM stats,
since the fd-based binary stats interface is available.
Signed-off-by: Jing Zhang
---
arch/arm64/kvm/guest.c| 16 ---
arch/mips/kvm/mips.c | 39 --
arch/powerpc/kvm/book3s.c | 33 -
arch/powerpc/kvm/booke.c
Hi Paolo,
On Fri, Jun 11, 2021 at 8:35 AM Paolo Bonzini wrote:
>
> On 11/06/21 14:46, Jing Zhang wrote:
> > This patchset provides a file descriptor for every VM and VCPU to read
> > KVM statistics data in binary format.
> > It is meant to provide a lightweight, flexible
Update KVM API documentation for binary statistics.
Reviewed-by: David Matlack
Reviewed-by: Ricardo Koller
Reviewed-by: Krish Sadhukhan
Signed-off-by: Jing Zhang
---
Documentation/virt/kvm/api.rst | 174 -
1 file changed, 173 insertions(+), 1 deletion(-)
diff
Provides a file descriptor per VM to read VM stats info/data.
Provides a file descriptor per vCPU to read vCPU stats info/data.
Reviewed-by: David Matlack
Reviewed-by: Ricardo Koller
Reviewed-by: Krish Sadhukhan
Signed-off-by: Jing Zhang
---
arch/arm64/kvm/guest.c| 34 +
arch
Put all generic statistics in a separate structure to ease
statistics handling for the incoming new statistics API.
No functional change intended.
Reviewed-by: David Matlack
Reviewed-by: Ricardo Koller
Reviewed-by: Krish Sadhukhan
Signed-off-by: Jing Zhang
---
arch/arm64/include/asm
Add selftest to check KVM stats descriptors validity.
Reviewed-by: David Matlack
Reviewed-by: Ricardo Koller
Reviewed-by: Krish Sadhukhan
Signed-off-by: Jing Zhang
---
tools/testing/selftests/kvm/.gitignore| 1 +
tools/testing/selftests/kvm/Makefile | 3 +
.../testing
jingzhan...@google.com
[5] https://lore.kernel.org/kvm/20210517145314.157626-1-jingzhan...@google.com
[6] https://lore.kernel.org/kvm/20210524151828.4113777-1-jingzhan...@google.com
[7] https://lore.kernel.org/kvm/20210603211426.790093-1-jingzhan...@google.com
---
Jing Zhang (4):
KVM: stats: Separa
Hi Paolo,
On Thu, Jun 10, 2021 at 11:23 AM Paolo Bonzini wrote:
>
> On 03/06/21 23:14, Jing Zhang wrote:
> > +#define DEFINE_VM_STATS_DESC(...) {
> > \
> > + STATS_DESC_C
Hi Paolo,
On Thu, Jun 10, 2021 at 11:46 AM Paolo Bonzini wrote:
>
> On 03/06/21 23:14, Jing Zhang wrote:
> > This patchset provides a file descriptor for every VM and VCPU to read
> > KVM statistics data in binary format.
> > It is meant to provide a lightweight, flexible
Hi Paolo,
On Thu, Jun 10, 2021 at 11:42 AM Paolo Bonzini wrote:
>
> On 03/06/21 23:14, Jing Zhang wrote:
> > +struct _kvm_stats_header {
> > + __u32 name_size;
> > + __u32 count;
> > + __u32 desc_offset;
> > + __u32 data_offset;
> > +};
Hi Paolo,
On Thu, Jun 10, 2021 at 11:23 AM Paolo Bonzini wrote:
>
> On 03/06/21 23:14, Jing Zhang wrote:
> > +#define DEFINE_VM_STATS_DESC(...) {
> > \
> > + STATS_DESC_C
On Mon, Jun 7, 2021 at 2:23 PM Krish Sadhukhan
wrote:
>
>
> On 6/3/21 2:14 PM, Jing Zhang wrote:
> > Add selftest to check KVM stats descriptors validity.
> >
> > Reviewed-by: David Matlack
> > Reviewed-by: Ricardo Koller
> > Signed-off-by: Jing Zhang
&g
On Mon, Jun 7, 2021 at 2:23 PM Krish Sadhukhan
wrote:
>
>
> On 6/3/21 2:14 PM, Jing Zhang wrote:
> > Provides a file descriptor per VM to read VM stats info/data.
> > Provides a file descriptor per vCPU to read vCPU stats info/data.
> >
> > Reviewed-by: David
On Mon, Jun 7, 2021 at 2:23 PM Krish Sadhukhan
wrote:
>
>
> On 6/3/21 2:14 PM, Jing Zhang wrote:
> > Update KVM API documentation for binary statistics.
> >
> > Reviewed-by: David Matlack
> > Reviewed-by: Ricardo Koller
> > Signed-off-by: Jing Zhang
>
Provides a file descriptor per VM to read VM stats info/data.
Provides a file descriptor per vCPU to read vCPU stats info/data.
Reviewed-by: David Matlack
Reviewed-by: Ricardo Koller
Signed-off-by: Jing Zhang
---
arch/arm64/kvm/guest.c| 26 +++
arch/mips/kvm/mips.c | 52
Put all generic statistics in a separate structure to ease
statistics handling for the incoming new statistics API.
No functional change intended.
Reviewed-by: David Matlack
Reviewed-by: Ricardo Koller
Signed-off-by: Jing Zhang
---
arch/arm64/include/asm/kvm_host.h | 9 ++---
arch
Update KVM API documentation for binary statistics.
Reviewed-by: David Matlack
Reviewed-by: Ricardo Koller
Signed-off-by: Jing Zhang
---
Documentation/virt/kvm/api.rst | 180 +
1 file changed, 180 insertions(+)
diff --git a/Documentation/virt/kvm/api.rst b
.596466-1-jingzhan...@google.com
[4] https://lore.kernel.org/kvm/20210429203740.1935629-1-jingzhan...@google.com
[5] https://lore.kernel.org/kvm/20210517145314.157626-1-jingzhan...@google.com
[6] https://lore.kernel.org/kvm/20210524151828.4113777-1-jingzhan...@google.com
---
Jing Zhang (4):
KV
Add selftest to check KVM stats descriptors validity.
Reviewed-by: David Matlack
Reviewed-by: Ricardo Koller
Signed-off-by: Jing Zhang
---
tools/testing/selftests/kvm/.gitignore| 1 +
tools/testing/selftests/kvm/Makefile | 3 +
.../testing/selftests/kvm/include/kvm_util.h
Hi Krish,
On Wed, May 26, 2021 at 5:34 PM Krish Sadhukhan
wrote:
>
>
> On 5/24/21 8:18 AM, Jing Zhang wrote:
> > Add selftest to check KVM stats descriptors validity.
> >
> > Reviewed-by: David Matlack
> > Reviewed-by: Ricardo Koller
> > Signed-off-by:
Hi Krish,
On Wed, May 26, 2021 at 1:53 PM Krish Sadhukhan
wrote:
>
>
> On 5/24/21 8:18 AM, Jing Zhang wrote:
> > Provides a file descriptor per VM to read VM stats info/data.
> > Provides a file descriptor per vCPU to read vCPU stats info/data.
> >
> > Reviewed-
On Tue, May 25, 2021 at 4:36 PM David Matlack wrote:
>
> On Mon, May 24, 2021 at 8:18 AM Jing Zhang wrote:
> >
> > Put all common statistics in a separate structure to ease
> > statistics handling for the incoming new statistics API.
> >
> > No functional
Hi Krish,
On Tue, May 25, 2021 at 2:49 PM Krish Sadhukhan
wrote:
>
>
> On 5/24/21 8:18 AM, Jing Zhang wrote:
> > Put all common statistics in a separate structure to ease
> > statistics handling for the incoming new statistics API.
> >
> > No functional cha
Provides a file descriptor per VM to read VM stats info/data.
Provides a file descriptor per vCPU to read vCPU stats info/data.
Reviewed-by: David Matlack
Reviewed-by: Ricardo Koller
Signed-off-by: Jing Zhang
---
arch/arm64/kvm/guest.c| 26 ++
arch/mips/kvm/mips.c | 52
Add selftest to check KVM stats descriptors validity.
Reviewed-by: David Matlack
Reviewed-by: Ricardo Koller
Signed-off-by: Jing Zhang
---
tools/testing/selftests/kvm/.gitignore| 1 +
tools/testing/selftests/kvm/Makefile | 3 +
.../testing/selftests/kvm/include/kvm_util.h
Update KVM API documentation for binary statistics.
Reviewed-by: David Matlack
Reviewed-by: Ricardo Koller
Signed-off-by: Jing Zhang
---
Documentation/virt/kvm/api.rst | 179 +
1 file changed, 179 insertions(+)
diff --git a/Documentation/virt/kvm/api.rst b
gzhan...@google.com
[3] https://lore.kernel.org/kvm/20210423181727.596466-1-jingzhan...@google.com
[4] https://lore.kernel.org/kvm/20210429203740.1935629-1-jingzhan...@google.com
[5] https://lore.kernel.org/kvm/20210517145314.157626-1-jingzhan...@google.com
---
Jing Zhang (4):
KVM: stats: Separ
Put all common statistics in a separate structure to ease
statistics handling for the incoming new statistics API.
No functional change intended.
Reviewed-by: David Matlack
Reviewed-by: Ricardo Koller
Signed-off-by: Jing Zhang
---
arch/arm64/include/asm/kvm_host.h | 9 ++---
arch
On Tue, May 18, 2021 at 1:40 PM Krish Sadhukhan
wrote:
>
>
> On 5/18/21 10:25 AM, Jing Zhang wrote:
> > Hi David,
> >
> > On Tue, May 18, 2021 at 11:27 AM David Matlack wrote:
> >> On Mon, May 17, 2021 at 5:10 PM Jing Zhang wrote:
> >>
> >&
On Wed, May 19, 2021 at 5:00 PM Ricardo Koller wrote:
>
> On Mon, May 17, 2021 at 02:53:14PM +, Jing Zhang wrote:
> > Add selftest to check KVM stats descriptors validity.
> >
> > Signed-off-by: Jing Zhang
> > ---
> > tools/testing/selftests/kvm/.gitigno
On Thu, May 20, 2021 at 3:51 PM Ricardo Koller wrote:
>
> On Thu, May 20, 2021 at 02:46:41PM -0500, Jing Zhang wrote:
> > Hi Ricardo,
> >
> > On Thu, May 20, 2021 at 1:58 PM Ricardo Koller wrote:
> > >
> > > On Thu, May 20, 2021 at 12:37:59PM -
Hi Ricardo,
On Thu, May 20, 2021 at 1:58 PM Ricardo Koller wrote:
>
> On Thu, May 20, 2021 at 12:37:59PM -0500, Jing Zhang wrote:
> > Hi Ricardo,
> >
> > On Wed, May 19, 2021 at 11:21 PM Ricardo Koller wrote:
> > >
> > > On Mon, May 17,
Hi Ricardo,
On Wed, May 19, 2021 at 11:21 PM Ricardo Koller wrote:
>
> On Mon, May 17, 2021 at 02:53:12PM +, Jing Zhang wrote:
> > Provides a file descriptor per VM to read VM stats info/data.
> > Provides a file descriptor per vCPU to read vCPU stats info/data.
> >
Hi Ricardo,
On Wed, May 19, 2021 at 5:00 PM Ricardo Koller wrote:
>
> On Mon, May 17, 2021 at 02:53:14PM +, Jing Zhang wrote:
> > Add selftest to check KVM stats descriptors validity.
> >
> > Signed-off-by: Jing Zhang
> > ---
> > tools/testing/s
On Wed, May 19, 2021 at 2:29 PM Jing Zhang wrote:
>
> Hi David,
>
> On Wed, May 19, 2021 at 11:57 AM David Matlack wrote:
> >
> > On Mon, May 17, 2021 at 9:25 AM Jing Zhang wrote:
> > >
> > > Update KVM API documentation for binary statist
Hi David,
On Wed, May 19, 2021 at 12:02 PM David Matlack wrote:
>
> On Mon, May 17, 2021 at 9:25 AM Jing Zhang wrote:
> >
> > Update KVM API documentation for binary statistics.
> >
> > Signed-off-by: Jing Zhang
> > ---
>
Hi David,
On Wed, May 19, 2021 at 11:57 AM David Matlack wrote:
>
> On Mon, May 17, 2021 at 9:25 AM Jing Zhang wrote:
> >
> > Update KVM API documentation for binary statistics.
> >
> > Signed-off-by: Jing Zhang
> > ---
>
Hi David,
On Wed, May 19, 2021 at 12:13 PM David Matlack wrote:
>
> On Mon, May 17, 2021 at 9:32 AM Jing Zhang wrote:
> >
> > Provides a file descriptor per VM to read VM stats info/data.
> > Provides a file descriptor per vCPU to read vCPU stats info/data.
> >
Hi David,
On Wed, May 19, 2021 at 12:22 PM David Matlack wrote:
>
> On Mon, May 17, 2021 at 9:24 AM Jing Zhang wrote:
> >
> > Add selftest to check KVM stats descriptors validity.
> >
> > Signed-off-by: Jing Zhang
> > ---
> > tools/testing/selftest
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