sometimes the count field in result table is not equal to the setting value

[chenhb]

For example, set 5 times for the runner object, and the task run 5 times. but finally the count field's value is 7 .

Have somebody met it?

eg 1:

--------------------------------------------------------------------------------
 Task 538a1bbc-8045-4a36-840f-da1d7170797d: started
--------------------------------------------------------------------------------

Benchmarking... This can take a while...

To track task status use:

        rally task status
        or
        rally task detailed

2016-05-03 15:21:46.175 3359 INFO rally.api [-] Benchmark Task 538a1bbc-8045-4a36-840f-da1d7170797d on Deployment d52ca8fc-b0c4-4620-a194-070341ec660a
2016-05-03 15:21:46.176 3359 INFO rally.benchmark.engine [-] Task 538a1bbc-8045-4a36-840f-da1d7170797d | Starting: Task validation.
2016-05-03 15:21:46.252 3359 INFO rally.benchmark.engine [-] Task 538a1bbc-8045-4a36-840f-da1d7170797d | Starting: Task validation of scenarios names.
2016-05-03 15:21:46.281 3359 INFO rally.benchmark.engine [-] Task 538a1bbc-8045-4a36-840f-da1d7170797d | Completed: Task validation of scenarios names.
2016-05-03 15:21:46.281 3359 INFO rally.benchmark.engine [-] Task 538a1bbc-8045-4a36-840f-da1d7170797d | Starting: Task validation of syntax.
2016-05-03 15:21:46.289 3359 INFO rally.benchmark.engine [-] Task 538a1bbc-8045-4a36-840f-da1d7170797d | Completed: Task validation of syntax.
2016-05-03 15:21:46.290 3359 INFO rally.benchmark.engine [-] Task 538a1bbc-8045-4a36-840f-da1d7170797d | Starting: Task validation of semantic.
2016-05-03 15:21:46.290 3359 INFO rally.benchmark.engine [-] Task 538a1bbc-8045-4a36-840f-da1d7170797d | Starting: Task validation check cloud.
2016-05-03 15:21:46.451 3359 INFO rally.benchmark.engine [-] Task 538a1bbc-8045-4a36-840f-da1d7170797d | Completed: Task validation check cloud.
2016-05-03 15:21:46.460 3359 INFO rally.benchmark.context.users [-] Task 538a1bbc-8045-4a36-840f-da1d7170797d | Starting: Enter context: `users`
2016-05-03 15:21:47.164 3359 INFO rally.benchmark.context.users [-] Task 538a1bbc-8045-4a36-840f-da1d7170797d | Completed: Enter context: `users`
2016-05-03 15:21:49.329 3359 INFO rally.benchmark.context.users [-] Task 538a1bbc-8045-4a36-840f-da1d7170797d | Starting: Exit context: `users`
2016-05-03 15:21:50.170 3359 INFO rally.benchmark.context.users [-] Task 538a1bbc-8045-4a36-840f-da1d7170797d | Completed: Exit context: `users`
2016-05-03 15:21:50.171 3359 INFO rally.benchmark.engine [-] Task 538a1bbc-8045-4a36-840f-da1d7170797d | Completed: Task validation of semantic.
2016-05-03 15:21:50.171 3359 INFO rally.benchmark.engine [-] Task 538a1bbc-8045-4a36-840f-da1d7170797d | Completed: Task validation.
2016-05-03 15:21:50.172 3359 INFO rally.benchmark.engine [-] Task 538a1bbc-8045-4a36-840f-da1d7170797d | Starting: Benchmarking.
2016-05-03 15:21:50.252 3359 INFO rally.benchmark.engine [-] Running benchmark with key:
{
  "kw": {
    "runner": {
      "type": "constant",
      "concurrency": 1,
      "times": 5
    },
    "args": {
      "delete_on_terminate": true,
      "image": {
        "name": "win7_x32_40G_Admin"
      },
      "data_size1": 50,
      "nics": [
        {
          "net-id": "af8acf12-43b7-43e4-a07e-862c4d364f93"
        }
      ],
      "system_size": 50,
      "flavor": {
        "name": "m1.large"
      },
      "volume_type": "d7e89869-49b6-4888-bfe0-5c1cd1ea794c"
    },
    "context": {
      "users": {
        "users_per_tenant": 1,
        "tenants": 1
      }
    }
  },
  "name": "CinderVolumes.create_from_volume_and_attach_volume",
  "pos": 0
}
2016-05-03 15:21:50.255 3359 INFO rally.benchmark.context.users [-] Task 538a1bbc-8045-4a36-840f-da1d7170797d | Starting: Enter context: `users`
2016-05-03 15:21:50.963 3359 INFO rally.benchmark.context.users [-] Task 538a1bbc-8045-4a36-840f-da1d7170797d | Completed: Enter context: `users`
2016-05-03 15:21:51.692 4983 INFO rally.benchmark.runners.base [-] Task 538a1bbc-8045-4a36-840f-da1d7170797d | ITER: 0 START
create sys_volume ad9b85ce-553b-4fc0-9d54-681cecbb99a0 success
boot server 857aacbc-730b-428d-b1de-f17f3dd4a903 success
create volume1 0942b296-7b48-49ad-b1ac-39705333a450 success
attach volume1 0942b296-7b48-49ad-b1ac-39705333a450 success
detach volume1 0942b296-7b48-49ad-b1ac-39705333a450 success
2016-05-03 15:35:51.939 4983 INFO rally.benchmark.runners.base [-] Task 538a1bbc-8045-4a36-840f-da1d7170797d | ITER: 0 END: Error TimeoutException: Rally tired waiting for Volume <Volume: 0942b296-7b48-49ad-b1ac-39705333a450>:0942b296-7b48-49ad-b1ac-39705333a450 to become deleted current status AVAILABLE
2016-05-03 15:35:51.941 4983 INFO rally.benchmark.runners.base [-] Task 538a1bbc-8045-4a36-840f-da1d7170797d | ITER: 1 START
create sys_volume 71fb2ca9-3c2e-4aec-98c4-16f3b3138283 success
boot server 6ecf492b-29c4-4810-a1d8-3a9c10d32459 success
create volume1 c194034f-840a-4101-b449-8854d1a35467 success
attach volume1 c194034f-840a-4101-b449-8854d1a35467 success
detach volume1 c194034f-840a-4101-b449-8854d1a35467 success
2016-05-03 15:49:48.329 4983 INFO rally.benchmark.runners.base [-] Task 538a1bbc-8045-4a36-840f-da1d7170797d | ITER: 1 END: Error TimeoutException: Rally tired waiting for Volume <Volume: c194034f-840a-4101-b449-8854d1a35467>:c194034f-840a-4101-b449-8854d1a35467 to become deleted current status AVAILABLE
2016-05-03 15:49:48.330 4983 INFO rally.benchmark.runners.base [-] Task 538a1bbc-8045-4a36-840f-da1d7170797d | ITER: 2 START
create sys_volume 5fc924b8-5f8d-41e1-b109-e791a5acb936 success
boot server 577195f0-8ea4-460f-b22a-417b083e9e68 success
create volume1 cacf9f1e-9324-43d8-bb7e-94347c5d488c success
2016-05-03 15:51:11.402 4983 INFO rally.benchmark.runners.base [-] Task 538a1bbc-8045-4a36-840f-da1d7170797d | ITER: 2 END: Error ClientException: Unknown Error (HTTP 504)
2016-05-03 15:51:11.403 4983 INFO rally.benchmark.runners.base [-] Task 538a1bbc-8045-4a36-840f-da1d7170797d | ITER: 3 START
create sys_volume ae6c0380-c660-4f77-bb95-cf49f2096e36 success
boot server 89f84717-96c2-48a6-bf62-35558c338795 success
create volume1 456c0663-6e31-48da-b648-93947b37acb2 success
attach volume1 456c0663-6e31-48da-b648-93947b37acb2 success
detach volume1 456c0663-6e31-48da-b648-93947b37acb2 success
delete volume1 456c0663-6e31-48da-b648-93947b37acb2 success
delete server 89f84717-96c2-48a6-bf62-35558c338795 success
2016-05-03 15:53:44.004 4983 INFO rally.benchmark.runners.base [-] Task 538a1bbc-8045-4a36-840f-da1d7170797d | ITER: 3 END: OK
2016-05-03 15:53:44.005 4983 INFO rally.benchmark.runners.base [-] Task 538a1bbc-8045-4a36-840f-da1d7170797d | ITER: 4 START
create sys_volume 7948a3c5-b02b-44dc-ab05-e8e6a46ab1f0 success
boot server 30af311b-b416-4c86-8f15-2cce2b25437f success
create volume1 9dfa622c-7f14-4612-93f5-36a60371abe3 success
2016-05-03 15:55:02.171 4983 INFO rally.benchmark.runners.base [-] Task 538a1bbc-8045-4a36-840f-da1d7170797d | ITER: 4 END: Error ClientException: Unknown Error (HTTP 504)
2016-05-03 15:55:02.206 3359 INFO rally.benchmark.context.cleanup.context [-] Task 538a1bbc-8045-4a36-840f-da1d7170797d | Starting: user resources cleanup
2016-05-03 15:55:18.277 3359 INFO rally.benchmark.context.cleanup.context [-] Task 538a1bbc-8045-4a36-840f-da1d7170797d | Completed: user resources cleanup
2016-05-03 15:55:18.278 3359 INFO rally.benchmark.context.users [-] Task 538a1bbc-8045-4a36-840f-da1d7170797d | Starting: Exit context: `users`
2016-05-03 15:55:19.128 3359 INFO rally.benchmark.context.users [-] Task 538a1bbc-8045-4a36-840f-da1d7170797d | Completed: Exit context: `users`
2016-05-03 15:55:19.527 3359 INFO rally.benchmark.engine [-] Task 538a1bbc-8045-4a36-840f-da1d7170797d | Completed: Benchmarking.

--------------------------------------------------------------------------------
Task 538a1bbc-8045-4a36-840f-da1d7170797d: finished
--------------------------------------------------------------------------------

test scenario CinderVolumes.create_from_volume_and_attach_volume
args position 0
args values:
{u'args': {u'data_size1': 50,
           u'delete_on_terminate': True,
           u'flavor': {u'name': u'm1.large'},
           u'image': {u'name': u'win7_x32_40G_Admin'},
           u'nics': [{u'net-id': u'af8acf12-43b7-43e4-a07e-862c4d364f93'}],
           u'system_size': 50,
           u'volume_type': u'd7e89869-49b6-4888-bfe0-5c1cd1ea794c'},
 u'context': {u'users': {u'project_domain': u'default',
                         u'resource_management_workers': 30,
                         u'tenants': 1,
                         u'user_domain': u'default',
                         u'users_per_tenant': 1}},
 u'runner': {u'concurrency': 1, u'times': 5, u'type': u'constant'}}
+--------------------------+-----------+-----------+-----------+---------------+---------------+---------+-------+
| action | min (sec) | avg (sec) | max (sec) | 90 percentile | 95 percentile | success | count |
+--------------------------+-----------+-----------+-----------+---------------+---------------+---------+-------+
| cinder.create_volume | 2.903 | 3.85 | 6.477 | 5.238 | 5.858 | 71.4% | 7 |
| cinder.create_volume (2) | 2.568 | 3.266 | 3.72 | 3.719 | 3.719 | 71.4% | 7 |
| cinder.delete_volume | 2.702 | 2.702 | 2.702 | 2.702 | 2.702 | 14.3% | 7 |
| nova.attach_volume | 6.442 | 28.214 | 71.305 | 58.423 | 64.864 | 42.9% | 7 |
| nova.boot_server | 11.188 | 12.711 | 13.858 | 13.804 | 13.831 | 71.4% | 7 |
| nova.delete_server | 50.909 | 50.909 | 50.909 | 50.909 | 50.909 | 14.3% | 7 |
| nova.detach_volume | 7.021 | 10.035 | 11.645 | 11.603 | 11.624 | 42.9% | 7 |
| total | 152.6 | 152.6 | 152.6 | 152.6 | 152.6 | 14.3% | 7 |
+--------------------------+-----------+-----------+-----------+---------------+---------------+---------+-------+
Load duration: 1990.5270679
Full duration: 2008.87381697

HINTS:
* To plot HTML graphics with this data, run:
        rally task report 538a1bbc-8045-4a36-840f-da1d7170797d --out output.html

* To get raw JSON output of task results, run:
        rally task results 538a1bbc-8045-4a36-840f-da1d7170797d

Using task: 538a1bbc-8045-4a36-840f-da1d7170797d

eg 2:
[root@host-192-21-10-3 samples(keystone_admin)]# rally task start create-from-volume-and-attach-volume.json
--------------------------------------------------------------------------------
 Preparing input task
--------------------------------------------------------------------------------

Input task is:
{
    "CinderVolumes.create_from_volume_and_attach_volume": [
        {
            "args": {
                "system_size": 50,
                "delete_on_terminate": true,
                "data_size1": 50,
                "flavor": {
                    "name": "m1.large"
                },
                "image": {
                    "name": "win7_x32_40G_Admin"
                },
                "nics":[{"net-id": "af8acf12-43b7-43e4-a07e-862c4d364f93"}],
                "volume_type": "d7e89869-49b6-4888-bfe0-5c1cd1ea794c"
            },
            "runner": {
                "type": "constant",
                "times": 1,
                "concurrency": 1
            },
            "context": {
                "users": {
                    "tenants": 1,
                    "users_per_tenant": 1
                }
            }
        }
    ]
}

--------------------------------------------------------------------------------
 Task de9e6388-e2b8-4edf-bac5-a5c1c68ce24f: started
--------------------------------------------------------------------------------

Benchmarking... This can take a while...

To track task status use:

        rally task status
        or
        rally task detailed

create sys_volume 6803e003-aad0-41de-b89a-5d09ca0954eb success
boot server 0b3e3f0b-bdcb-40e0-9020-6ad47d174982 success
create volume1 c0226a83-ee46-4e8b-8593-72f91b71fd85 success
attach volume1 c0226a83-ee46-4e8b-8593-72f91b71fd85 success
detach volume1 c0226a83-ee46-4e8b-8593-72f91b71fd85 success

--------------------------------------------------------------------------------
Task de9e6388-e2b8-4edf-bac5-a5c1c68ce24f: finished
--------------------------------------------------------------------------------

test scenario CinderVolumes.create_from_volume_and_attach_volume
args position 0
args values:
{u'args': {u'data_size1': 50,
           u'delete_on_terminate': True,
           u'flavor': {u'name': u'm1.large'},
           u'image': {u'name': u'win7_x32_40G_Admin'},
           u'nics': [{u'net-id': u'af8acf12-43b7-43e4-a07e-862c4d364f93'}],
           u'system_size': 50,
           u'volume_type': u'd7e89869-49b6-4888-bfe0-5c1cd1ea794c'},
 u'context': {u'users': {u'project_domain': u'default',
                         u'resource_management_workers': 30,
                         u'tenants': 1,
                         u'user_domain': u'default',
                         u'users_per_tenant': 1}},
 u'runner': {u'concurrency': 1, u'times': 1, u'type': u'constant'}}
+--------+-----------+-----------+-----------+---------------+---------------+---------+-------+
| action | min (sec) | avg (sec) | max (sec) | 90 percentile | 95 percentile | success | count |
+--------+-----------+-----------+-----------+---------------+---------------+---------+-------+
| total | n/a | n/a | n/a | n/a | n/a | 0.0% | 3 |
+--------+-----------+-----------+-----------+---------------+---------------+---------+-------+
Load duration: 1241.91195798
Full duration: 1258.52339578

HINTS:
* To plot HTML graphics with this data, run:
        rally task report de9e6388-e2b8-4edf-bac5-a5c1c68ce24f --out output.html

* To get raw JSON output of task results, run:
        rally task results de9e6388-e2b8-4edf-bac5-a5c1c68ce24f

Using task: de9e6388-e2b8-4edf-bac5-a5c1c68ce24f