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authorTibor Frank <tifrank@cisco.com>2018-01-10 15:48:25 +0100
committerJan Gelety <jgelety@cisco.com>2018-01-16 09:06:34 +0000
commit54ad6efd342695d0a7dad5380cc989a8d846f518 (patch)
tree96a4f2f0cdc4696302113d89c955250e5ecfea76 /resources/libraries/python
parent5f153c5987d9774dc67063cb4aaff352ac785ba3 (diff)
CSIT-898: WRK improvments
Change-Id: I92aafaaedce5891727a983b8cf024a0fb0db7524 Signed-off-by: Tibor Frank <tifrank@cisco.com>
Diffstat (limited to 'resources/libraries/python')
-rw-r--r--resources/libraries/python/tcp.py48
1 files changed, 47 insertions, 1 deletions
diff --git a/resources/libraries/python/tcp.py b/resources/libraries/python/tcp.py
index 5ae1ebf929..ecd6210f69 100644
--- a/resources/libraries/python/tcp.py
+++ b/resources/libraries/python/tcp.py
@@ -33,4 +33,50 @@ class TCPUtils(object):
"""
with VatTerminal(node) as vat:
- vat.vat_terminal_exec_cmd_from_template("start_http_server.vat")
+ vat.vat_terminal_exec_cmd_from_template(
+ "start_http_server.vat")
+
+ @staticmethod
+ def start_http_server_params(node, prealloc_fifos, fifo_size,
+ private_segment_size):
+ """Start HTTP server on the given node.
+
+ test http server static prealloc-fifos <N> fifo-size <size in kB>
+ private-segment-size <seg_size expressed as number + unit, e.g. 100m>
+
+ Where N is the max number of connections you expect to handle at one
+ time and <size> should be small if you test for CPS and exchange few
+ bytes, say 4, if each connection just exchanges few packets. Or it
+ should be much larger, up to 1024/4096 (i.e. 1-4MB) if you have only
+ one connection and exchange a lot of packets, i.e., when you test for
+ RPS. If you need to allocate lots of FIFOs, so you test for CPS, make
+ private-segment-size something like 4g.
+
+ Example:
+
+ For CPS
+ test http server static prealloc-fifos 10000 fifo-size 64
+ private-segment-size 4000m
+
+ For RPS
+ test http server static prealloc-fifos 500000 fifo-size 4
+ test http server static prealloc-fifos 500000 fifo-size 4
+ private-segment-size 4000m
+
+ :param node: Node to start HTTP server on.
+ :param prealloc_fifos: Max number of connections you expect to handle at
+ one time.
+ :param fifo_size: FIFO size in kB.
+ :param private_segment_size: Private segment size. Number + unit.
+ :type node: dict
+ :type prealloc_fifos: str
+ :type fifo_size: str
+ :type private_segment_size: str
+ """
+
+ with VatTerminal(node, json_param=False) as vat:
+ vat.vat_terminal_exec_cmd_from_template(
+ "start_http_server_params.vat",
+ prealloc_fifos=prealloc_fifos,
+ fifo_size=fifo_size,
+ private_segment_size=private_segment_size)