Add optional parameters to namespace creation to let the user pick the
namespace globally unique identifier and EUI-64.
Change-Id: Ia3eebaf22f8a64733a00a83f90cafb4977c2d07a
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-on: https://review.gerrithub.io/399531
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Change-Id: Ice343afdc84c2a11cd9026d128a35f7a62aa7125
Signed-off-by: Sebastian Basierski <sebastianx.basierski@intel.com>
Reviewed-on: https://review.gerrithub.io/398933
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
This will allow more parameters to be added to
spdk_nvmf_subsystem_add_ns() without breaking API/ABI compatibility
later.
Change-Id: I6b2f58f1a2d5fcd4c754830cbd4713dc461a31fc
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-on: https://review.gerrithub.io/399519
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: I69167825f054b58daf37840212289d6b99c8bb6a
Reviewed-on: https://review.gerrithub.io/400163
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
The cpuset API is const-aware, so we can safely
return const cpuset here. This will simplify
future usages of this function - for now it remains
unused.
Change-Id: If849ed49056a54035fb7a6eccde84121630f9974
Signed-off-by: Dariusz Stojaczyk <dariuszx.stojaczyk@intel.com>
Reviewed-on: https://review.gerrithub.io/399457
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
For now, this provides common abstraction for Linux epoll
and FreeBSD kqueue. It also provides the basis for future
changes where alternate userspace TCP stacks have their own
mechanism for polling a group of descriptors.
While here, remove old epoll/kqueue code in iscsi/conn.c that
was commented out when the iSCSI idle connection code was
recently removed - we now have a real implementation of it
in sock.c so the original code is no longer needed as a
reference.
Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: I664ae32a5ff4d37711b7f534149eb0eb35942335
Reviewed-on: https://review.gerrithub.io/398969
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Change-Id: I2a3c7a272dc08be5a5ecb4339622816482c4cbb0
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Signed-off-by: Stephen Bates <sbates@raithlin.com>
Reviewed-on: https://review.gerrithub.io/397036
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
This provides an abstraction layer around TCP
sockets. Previously we just used fd integers, but
we don't want to be tied to integers for alternative
userspace TCP stacks.
Future patches will do more work to enable multiple
implementations of this abstraction. For now, just
get the abstraction in place for POSIX sockets and
make all of the iSCSI changes associated with it.
Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: I9a825e9e02eb6927c8702d205665c626f57b3771
Reviewed-on: https://review.gerrithub.io/398861
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Ziye Yang <optimistyzy@gmail.com>
The socket-related code was already broken out into
lib/net/sock.c, so break out the header portions
from include/spdk/net.h into its own sock.h.
This prepares for some upcoming changes in how
TCP sockets are abstracted, to enable alternative
userspace TCP stack implementations to be used with
SPDK.
Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: I40b162e72ea80c235b49f10b17c2085fcfb385d4
Reviewed-on: https://review.gerrithub.io/398851
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-by: Ziye Yang <optimistyzy@gmail.com>
Reviewed-by: <shuhei.matsumoto.xt@hitachi.com>
Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: Ie76019c2d5a82e24f0ec93b0c046fdbeea8bd337
Reviewed-on: https://review.gerrithub.io/398850
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Ziye Yang <optimistyzy@gmail.com>
Change-Id: I53ffdd061ba068070f66a752780229ecfe53e737
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-on: https://review.gerrithub.io/398688
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Change-Id: I04820b2da1e75d1e84d3a5f4a274a11c9f154b82
Signed-off-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-on: https://review.gerrithub.io/398758
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Change-Id: Id1e2a7da0db319c4d43988ec4991462fc956dde2
Signed-off-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-on: https://review.gerrithub.io/398542
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Instead of:
* spdk_vhost_scsi_dev_remove(vdev)
* spdk_vhost_blk_dev_remove(vdev)
we now have
* spdk_vhost_dev_remove(vdev)
All the logic is already handled internally. This patch only
changes the API. Also, previous vhost_dev_construct()/remove()
functions have been renamed to vhost_dev_register()/unregister()
because that's what they really do.
Change-Id: I7dd0d77bc5b633bec075e0a71345ddbed62697b4
Signed-off-by: Dariusz Stojaczyk <dariuszx.stojaczyk@intel.com>
Reviewed-on: https://review.gerrithub.io/396574
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: <shuhei.matsumoto.xt@hitachi.com>
We already have a vhost subsystem and have to do
its fini anyway, so let's remove application fini.
Technically, any SPDK app can use vhost library
and create vhost devices, so we need to delete them
on shutdown in all cases - in module fini.
Change-Id: I013b45b4e73fd19288b9c10bc995dc24894ecf35
Signed-off-by: Dariusz Stojaczyk <dariuszx.stojaczyk@intel.com>
Reviewed-on: https://review.gerrithub.io/396573
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: <shuhei.matsumoto.xt@hitachi.com>
This change will allow reusing this structure for both internal
and external xattrs as well as in functions having optional xattr,
but missing other options (i.e. snapshot, clone implemented in next patches)
Signed-off-by: Piotr Pelplinski <piotr.pelplinski@intel.com>
Change-Id: Ia6619a75efa0a100168a6f8317be274823af04ab
Reviewed-on: https://review.gerrithub.io/396417
Reviewed-by: Seth Howell <seth.howell5141@gmail.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Add the section of boot partition support.
Change-Id: I81357d657f1a55376ab98b5ffab511c6227e43c8
Signed-off-by: Cunyin Chang <cunyin.chang@intel.com>
Reviewed-on: https://review.gerrithub.io/397033
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Change-Id: I08043509aa2acef184c819948691c3ef7ea20e1e
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-on: https://review.gerrithub.io/397643
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Change-Id: I8ff60b4e071ad864496c65b8cf63984bb915e4f0
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-on: https://review.gerrithub.io/397637
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Signed-off-by: Maciej Szwed <maciej.szwed@intel.com>
Change-Id: Ie6a651d0238d09729e28d5456a84ba090faeb465
Reviewed-on: https://review.gerrithub.io/391568
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Modified include/spdk/bdev.h and include/spdk_internal/bdev.h
add data members to capture statistics information. Modified
lib/bdev/bdev.c to calculate read/write latency.
Change-Id: Idcd55dd2e88c4b308e016f16ced53720256c79e3
Signed-off-by: Isaac Otsiabah <iotsiabah@us.fujitsu.com>
Reviewed-on: https://review.gerrithub.io/390654
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Fixes github issue #218.
This patch introduces spdk_cpuset object to store and manipulate
the set of individual CPUs. The main objective of this object is
to replace cpumask declared as uint64_t and extend the limitation
of supported CPUs (lcores) above 64 CPUs.
spdk_cpuset is always allocated dynamically and accessed by opaque
pointer, what makes it easier to extend in the future without
breaking API/ABI.
This patch also extends parsing function allowing to set cpumask
using a list of cpus e.g. "[0-4,10,12]" sets mask of 0,1,2,3,4,10,12
as well as hexadecimal string with and without "0x" prefix.
Change-Id: I475c3ba7fab629021a22e03176e57e400dd24a49
Signed-off-by: Tomasz Kulasek <tomaszx.kulasek@intel.com>
Reviewed-on: https://review.gerrithub.io/390794
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Currently, there is no possibility to save read only blob to disk.
This patch modifies behaviour so that read only flags are applied after syncing blob.
This is analogy to resize, set xattr and remove xattr operations.
Signed-off-by: Piotr Pelplinski <piotr.pelplinski@intel.com>
Change-Id: Iffed601c78cb83231bb20e7ef05b73847dc3c95a
Reviewed-on: https://review.gerrithub.io/394243
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Change-Id: Idadd4eb7574b005cce8b888b28c8c3b6993343a4
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-on: https://review.gerrithub.io/395555
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Some upcoming changes will effectively render this moot
anyways by adding an epoll/kqueue descriptor to poll
on in all cases (not just connections that have been
idle for 5ms).
The epoll/kqueue code was just ifdef'd out instead
of removed - some of this code will be useful
and reusable with minimal changes in the upcoming
patches.
Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: I0c354390537e6369cb3c32e78a59c300dec6d098
Reviewed-on: https://review.gerrithub.io/395553
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-by: <shuhei.matsumoto.xt@hitachi.com>
When the state change is known to fail immediately, use
a return code instead of calling the callback.
Most of the callbacks didn't actually check for errors,
so this patch also doesn't check for errors on return
codes. That should be done in the future.
Change-Id: I67e03f93d7f53892473dfc073f4150e7e620cad2
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-on: https://review.gerrithub.io/394281
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Removing an LUN from an existing iSCSI target is possible by
removing the corresponding BDEV. However adding an LUN to an
existing iSCSI target is not possible yet.
Add a new function spdk_iscsi_tgt_node_add_lun() and related
functions first toward supporting this function.
JSON-RPC for this operation will be submitted an another patch.
Informing the newly added LUN to the initiator is not included
in this patch. Hence this operation is possible only for any
inactive target.
Change-Id: I3a28f4d75a17126e49c9d12ce64c3ad68f231840
Signed-off-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-on: https://review.gerrithub.io/385180
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
There is no need to keep a lun name anymore - we always
use the bdev name as the lun name so it is not providing any
additional value. This also keeps us from associating
the same bdev with different LUNs on different iSCSI target
nodes or vhost-scsi controllers.
Side effect of this change is:
1) Use "bdev_name" across the APIs to make it more clear
what these names refer to.
Signed-off-by: Jim Harris <james.r.harris@intel.com>
Signed-off-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Change-Id: I3d42fde22087352ce1d5dc80178bd8c5cac8cb7c
Reviewed-on: https://review.gerrithub.io/390843
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Modifies spdk_env_init() and spdk_mem_map_init() such that
they return on failure instead of terminating with exit()
or abort().
Change-Id: I054c1d9b2e46516ff53d845328ab9547f54bdbc4
Signed-off-by: Lance Hartmann <lance.hartmann@oracle.com>
Reviewed-on: https://review.gerrithub.io/393987
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Dariusz Stojaczyk <dariuszx.stojaczyk@intel.com>
This only adds the option and metadata flags.
Actual functionality will be added in an upcoming commit
Signed-off-by: Piotr Pelplinski <piotr.pelplinski@intel.com>
Change-Id: I66015f48f34d4c7c64fce1831ebaed134098407c
Reviewed-on: https://review.gerrithub.io/390196
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Added tighter regulations to the NVMe-oF nqn checking to conform with
the nvme 1.3 spec. including, adding checks for valid nqn's in the case
of a generic uuid based nqn and checking for reverse domain name and
colon prefixed strings in a user specific nqn. Unit tests included.
Change-Id: I3ee4b269d0655ac9968699617e43e3297695c7ed
Signed-off-by: Seth Howell <seth.howell@intel.com>
Reviewed-on: https://review.gerrithub.io/393265
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
This requires exposing struct spdk_io_channel in the
public header - mark it as internal with Doxygen
comments to make it extra clear that applications
should not use the data structure directly.
This is a very hot function in the main I/O path,
so making this function inline has a significant
performance benefit. A bdevperf microbenchmark
using null bdevs shows a 11% improvement.
Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: I70e30e184000705704bb004e8da1c7476a6aceeb
Reviewed-on: https://review.gerrithub.io/393824
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Retrieve LUN data directly from struct spdk_scsi_lun rather than copying
them into struct spdk_scsi_task, and access the LUN via the task->lun
pointer.
Change-Id: Id8745f116bc559fb2f9e58811c2b9781c8cbdae8
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-on: https://review.gerrithub.io/393709
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: <shuhei.matsumoto.xt@hitachi.com>
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
The existing description was written long ago and is
not even close to being valid now.
Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: I758da93bfbffc2edb28b7d421b5f061cbd893a39
Reviewed-on: https://review.gerrithub.io/393692
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: <shuhei.matsumoto.xt@hitachi.com>
The SCSI layer no longer needs to know about the parent/subtask
relationship maintained by iSCSI.
Change-Id: Ia6f7c5367c5b656bd7521ed1abb6d0f713a0500b
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-on: https://review.gerrithub.io/393697
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: <shuhei.matsumoto.xt@hitachi.com>
This patch remove need for additional buffer when translating error code
to string.
Change-Id: Iaa60088b5c450581d3cdddbb425119b17d55a44b
Signed-off-by: Pawel Wodkowski <pawelx.wodkowski@intel.com>
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-on: https://review.gerrithub.io/386114
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Handle the possibility of the system strerror_r() returning an error
internally within spdk_strerror_r() so that callers don't need to check
the return value.
Change-Id: I0571c3f5999873575562d08a04d714716a7881ff
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-on: https://review.gerrithub.io/393105
Reviewed-by: Pawel Wodkowski <pawelx.wodkowski@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Dariusz Stojaczyk <dariuszx.stojaczyk@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
This is not used in the generic SCSI layer.
Fixes: 8eba104b73 ("iscsi: Fix the bug for hotplug when read IO is
running.")
Change-Id: Ie0715ea0ee5084eaf1321ba2f65f7bfa674c663a
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-on: https://review.gerrithub.io/393211
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Signed-off-by: Piotr Pelplinski <piotr.pelplinski@intel.com>
Change-Id: Ibffb43e39b44e5f443d3dfbfa5b5d7dcac3243ef
Reviewed-on: https://review.gerrithub.io/391182
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Signed-off-by: Piotr Pelplinski <piotr.pelplinski@intel.com>
Change-Id: Ic2c23d16360b26359c2a32920b89f2f3a21a2a9a
Reviewed-on: https://review.gerrithub.io/391191
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
This allows the user to pause a subsystem, make some
modifications, and then resume it.
Change-Id: Ia18371023d8fc66e1797fda293a01b68c0a61c96
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-on: https://review.gerrithub.io/392422
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Currently, each histogram range is hardcoded to
128 buckets (1ULL << 7), resulting in 58 ranges
(64 - 7 + 1) and a total size of 58 * 128 *
sizeof(uint64_t) = 59392 bytes.
To allow for more usage models in cases where this
size is prohibitive, enable the following changes:
1) specify number of buckets per range (in number of bits)
2) specify max datapoint value (in number of bits)
The latter can be useful for cases where datapoints
are never close to requiring all 64 bits - and allows
reducing the number of ranges. Any data points that
exceed the max will be tallied in the last bucket
in the last range.
Testing shows no performance disadvantage using the
dynamic approach.
Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: I5979bcdff6209faaa9dee293918ef2a78679bcd4
Reviewed-on: https://review.gerrithub.io/392707
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
This simplifies some upcoming changes, where the
buckets will be a dynamically allocated array instead
of a static 2-dimensional array.
Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: I3854319385937be9f9ace4be7dd22423e24f25e3
Reviewed-on: https://review.gerrithub.io/392706
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
No functional change - this just reduces the diff for
some upcoming changes.
Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: Ic185d32b38d5ccbc81cab49a6a38ebde0da71afd
Reviewed-on: https://review.gerrithub.io/392705
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Also use this function in iscsi/conn.c
Change-Id: I25f6da175eddb12c4ac2624d695c2c43c871d8e8
Signed-off-by: Ziye Yang <optimistyzy@gmail.com>
Reviewed-on: https://review.gerrithub.io/392713
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Change-Id: I1370df82b259afd9f3fcc2c37409e20fd35dff5f
Signed-off-by: Xiaodong Liu <xiaodong.liu@intel.com>
Reviewed-on: https://review.gerrithub.io/392497
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Change-Id: I7174f1799361b8337ff5590b90ad6a0564ca8e9b
Signed-off-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-on: https://review.gerrithub.io/391899
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
