Introduce user specified latency in the packet reception path
By exposing the test parameters as part of the debugfs channel
attributes. We will control the testing state via these attributes.
Signed-off-by: Branden Bonaby
---
changes in v6:
- changed kernel version in
Documentation/ABI
This is a userspace tool to drive the testing. Currently it supports
introducing user specified delay in the host to guest communication
path on a per-channel basis.
Signed-off-by: Branden Bonaby
---
Changes in v4:
- Based on Harrys comments, made the tool more
user friendly and added more
Updated testing tool with new debugfs location.
Branden Bonaby (2):
drivers: hv: vmbus: Introduce latency testing
tools: hv: add vmbus testing tool
Documentation/ABI/testing/debugfs-hyperv | 23 ++
MAINTAINERS | 1 +
drivers/hv/Makefile |
On Thu, Sep 19, 2019 at 10:52:41PM +, Michael Kelley wrote:
> From: Branden Bonaby Sent: Thursday, September
> 12, 2019 7:32 PM
> >
> > +
> > +static int hv_debugfs_delay_set(void *data, u64 val)
> > +{
> > + int ret = 0;
> > +
> > + if
Introduce user specified latency in the packet reception path
By exposing the test parameters as part of the debugfs channel
attributes. We will control the testing state via these attributes.
Signed-off-by: Branden Bonaby
---
changes in v5:
- As per Stephen's suggestion, Moved
This is a userspace tool to drive the testing. Currently it supports
introducing user specified delay in the host to guest communication
path on a per-channel basis.
Signed-off-by: Branden Bonaby
---
Changes in v4:
- Based on Harrys comments, made the tool more
user friendly and added more
new debugfs-hyperv file under
the section for hyperv.
Patch 3: Updated testing tool with new debugfs location.
Branden Bonaby (2):
drivers: hv: vmbus: Introduce latency testing
tools: hv: add vmbus testing tool
Documentation/ABI/testing/debugfs-hyperv | 23 ++
MAINTAINERS
On Mon, Sep 02, 2019 at 06:31:04PM +, Michael Kelley wrote:
> From: Branden Bonaby Sent: Wednesday, August 28,
> 2019 9:24 PM
> >
> > Introduce user specified latency in the packet reception path
> > By exposing the test parameters as part of the debugfs ch
Introduce user specified latency in the packet reception path
By exposing the test parameters as part of the debugfs channel
attributes. We will control the testing state via these attributes.
Signed-off-by: Branden Bonaby
---
changes in v4:
- Combined v3 patch 2 into this patch, and changed
ated MAINTAINERS file with new debugfs-hyperv file under
the section for hyperv.
Patch 3: Updated testing tool with new debugfs location.
Branden Bonaby (2):
drivers: hv: vmbus: Introduce latency testing
tools: hv: add vmbus testing tool
Documentation/ABI/testing/debugf
This is a userspace tool to drive the testing. Currently it supports
introducing user specified delay in the host to guest communication
path on a per-channel basis.
Signed-off-by: Branden Bonaby
---
Changes in v4:
- Based on Harrys comments, made the tool more
user friendly and added more
On Fri, Aug 23, 2019 at 04:44:09PM +, Michael Kelley wrote:
> From: Branden Bonaby Sent: Thursday, August 22,
> 2019 8:39 PM
> > > > diff --git a/drivers/hv/connection.c b/drivers/hv/connection.c
> > > > index 09829e15d4a0..c9c63a4033cd 100644
> &g
> > endmenu
> > diff --git a/drivers/hv/connection.c b/drivers/hv/connection.c
> > index 09829e15d4a0..c9c63a4033cd 100644
> > --- a/drivers/hv/connection.c
> > +++ b/drivers/hv/connection.c
> > @@ -357,6 +357,9 @@ void vmbus_on_event(unsigned long data)
> >
> >
> > +What: /sys/kernel/debug/hyperv//fuzz_test_state
> > +Date: August 2019
> > +KernelVersion: 5.3
> > +Contact:Branden Bonaby
> > +Description:Fuzz testing status of a vmbus device, whether its in an ON
> > +
devices; -E would enable
it for all devices and change the state to On 'Y' if it wasn't already.
let me know your thoughts
branden bonaby
This is a userspace tool to drive the testing. Currently it supports
introducing user specified delay in the host to guest communication
path on a per-channel basis.
Signed-off-by: Branden Bonaby
---
Changes in v3:
- Align python tool to match Linux coding style.
Changes in v2:
- Move testing
Expose the test parameters as part of the debugfs channel attributes.
We will control the testing state via these attributes.
Signed-off-by: Branden Bonaby
---
Changes in v3:
- Change call to IS_ERR_OR_NULL, to IS_ERR.
Changes in v2:
- Move test attributes to debugfs.
- Wrap test code under
Introduce user specified latency in the packet reception path.
Signed-off-by: Branden Bonaby
---
Changes in v2:
- Add #ifdef in Kconfig file so test code will not interfere
with non-test code.
- Move test code functions for delay to hyperv_vmbus header
file.
- Wrap test code under
it under
the new ifdef.
Updated MAINTAINERS file with new debugfs-hyperv file under
the section for hyperv.
Patch 3: Updated testing tool with new debugfs location.
Branden Bonaby (3):
drivers: hv: vmbus: Introduce latency testing
drivers: hv: vmbus: add fuzz
On Mon, Aug 19, 2019 at 10:44:48PM -0400, Branden Bonaby wrote:
> Expose the test parameters as part of the debugfs channel attributes.
> We will control the testing state via these attributes.
>
> Signed-off-by: Branden Bonaby
> ---
> Changes in v2:
> - Move test
This is a userspace tool to drive the testing. Currently it supports
introducing user specified delay in the host to guest communication
path on a per-channel basis.
Signed-off-by: Branden Bonaby
---
Changes in v2:
- Move testing location to new location in debugfs.
tools/hv/vmbus_testing
Expose the test parameters as part of the debugfs channel attributes.
We will control the testing state via these attributes.
Signed-off-by: Branden Bonaby
---
Changes in v2:
- Move test attributes to debugfs.
- Wrap test code under #ifdef statements.
- Add new documentation file under
for hyperv.
Patch 3: Updated testing tool with new debugfs location.
Branden Bonaby (3):
drivers: hv: vmbus: Introduce latency testing
drivers: hv: vmbus: add fuzz test attributes to debugfs
tools: hv: add vmbus testing tool
Documentation/ABI/testing/debugfs-hyperv | 21 ++
MAINTAINERS
Introduce user specified latency in the packet reception path.
Signed-off-by: Branden Bonaby
---
Changes in v2:
- Add #ifdef in Kconfig file so test code will not interfere
with non-test code.
- Move test code functions for delay to hyperv_vmbus header
file.
- Wrap test code under
On Fri, Aug 02, 2019 at 09:32:59AM +0200, Vitaly Kuznetsov wrote:
> Branden Bonaby writes:
>
> > Introduce user specified latency in the packet reception path.
> >
> > Signed-off-by: Branden Bonaby
> > ---
> > drivers/hv/connection.c | 5
On Fri, Aug 02, 2019 at 09:34:40AM +0200, Vitaly Kuznetsov wrote:
> Branden Bonaby writes:
>
> > Expose the test parameters as part of the sysfs channel attributes.
> > We will control the testing state via these attributes.
> >
> > Signed-off-by: Branden Bonaby
On Fri, Aug 02, 2019 at 09:30:18AM +0200, Vitaly Kuznetsov wrote:
> Branden Bonaby writes:
>
> > This patchset introduces a testing framework for Hyper-V drivers.
> > This framework allows us to introduce delays in the packet receive
> > path on a per-device basis. Whi
This is a userspace tool to drive the testing. Currently it supports
introducing user specified delay in the host to guest communication
path on a per-channel basis.
Signed-off-by: Branden Bonaby
---
tools/hv/vmbus_testing | 326 +
1 file changed, 326
Expose the test parameters as part of the sysfs channel attributes.
We will control the testing state via these attributes.
Signed-off-by: Branden Bonaby
---
Documentation/ABI/stable/sysfs-bus-vmbus | 22 ++
drivers/hv/vmbus_drv.c | 97 +++-
2 files
Introduce user specified latency in the packet reception path.
Signed-off-by: Branden Bonaby
---
drivers/hv/connection.c | 5 +
drivers/hv/ring_buffer.c | 10 ++
include/linux/hyperv.h | 14 ++
3 files changed, 29 insertions(+)
diff --git a/drivers/hv/connection.c b
this to support error injection in the future.
Branden Bonaby (3):
drivers: hv: vmbus: Introduce latency testing
drivers: hv: vmbus: add fuzz test attributes to sysfs
tools: hv: add vmbus testing tool
Documentation/ABI/stable/sysfs-bus-vmbus | 22 ++
drivers/hv/connection.c | 5
On Tue, Jun 18, 2019 at 09:08:59PM -0400, Martin K. Petersen wrote:
>
> Branden,
>
> > Adding functionality to allow the SCSI queue depth to be changed, by
> > utilizing the "scsi_change_queue_depth" function.
>
> Applied to 5.3/scsi-queue. Please run checkpatch before submission. I
> fixed it
Adding functionality to allow the SCSI queue depth to be changed,
by utilizing the "scsi_change_queue_depth" function.
Signed-off-by: Branden Bonaby
---
drivers/scsi/storvsc_drv.c | 11 +++
1 file changed, 11 insertions(+)
diff --git a/drivers/scsi/storvsc_drv.c b/dr
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