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-rw-r--r--docs/testing/developer/devguide/design/vswitchperf_design.rst5
-rw-r--r--docs/testing/user/configguide/trafficgen.rst22
2 files changed, 26 insertions, 1 deletions
diff --git a/docs/testing/developer/devguide/design/vswitchperf_design.rst b/docs/testing/developer/devguide/design/vswitchperf_design.rst
index b8a3ba19..bc54476c 100644
--- a/docs/testing/developer/devguide/design/vswitchperf_design.rst
+++ b/docs/testing/developer/devguide/design/vswitchperf_design.rst
@@ -472,6 +472,11 @@ Detailed description of ``TRAFFIC`` dictionary items follows:
'Dot1Q(prio={Dot1Q_prio}, id={Dot1Q_id}, vlan={Dot1Q_vlan})/'
'IP(proto={IP_proto}, src={IP_dst}, dst={IP_src})/'
'{IP_PROTO}(sport={IP_PROTO_dport}, dport={IP_PROTO_sport})',
+ 'latency_histogram'
+ - A dictionary with definition of a latency histogram provision in results.
+ 'enabled' - Specifies if the histogram provisioning is enabled or not.
+ 'type' - Defines how histogram is provided. Currenty only 'Default' is defined.
+ 'Default' - Default histogram as provided by the Traffic-generator.
.. _configuration-of-guest-options:
diff --git a/docs/testing/user/configguide/trafficgen.rst b/docs/testing/user/configguide/trafficgen.rst
index 2636626a..ae745543 100644
--- a/docs/testing/user/configguide/trafficgen.rst
+++ b/docs/testing/user/configguide/trafficgen.rst
@@ -86,7 +86,11 @@ and is configured as follows:
'Dot1Q(prio={Dot1Q_prio}, id={Dot1Q_id}, vlan={Dot1Q_vlan})/'
'IP(proto={IP_proto}, src={IP_dst}, dst={IP_src})/'
'{IP_PROTO}(sport={IP_PROTO_dport}, dport={IP_PROTO_sport})',
- }
+ },
+ 'latency_histogram': {
+ 'enabled': False,
+ 'type': 'Default',
+ },
}
A detailed description of the ``TRAFFIC`` dictionary can be found at
@@ -566,6 +570,22 @@ Note that 'FORWARDING_RATE_FPS', 'CACHING_CAPACITY_ADDRS',
'ADDR_LEARNED_PERCENT' and 'OPTIMAL_LEARNING_RATE_FPS' are the new
result-constants added to support RFC2889 tests.
+4. Latency Histogram. To enable latency histogram as in results,
+enable latency_histogram in conf/03_traffic.conf.
+
+.. code-block:: python
+
+ 'Latency_hisotgram':
+ {
+ "enabled": True,
+ "tpe": "Default,
+ }
+
+Once, enabled, a 'Histogram.csv' file will be generated in the results folder.
+The Histogram.csv will include latency histogram in the following order.
+(a) Packet size (b) Ranges in 10ns (c) Packet counts. These set of 3 lines,
+will be repeated for every packet-sizes.
+
.. _`Xena Networks`:
Xena Networks