passt/test/perf/pasta_udp, branch 2022_08_24.60ffc5b

tests: Explicitly list test files in test/run, remove "onlyfor" support

2022-07-13T23:32:42+00:00

Currently test/run uses wildcards to run all of the tests in a directory.
However, that wildcard list is filtered down by the "onlyfor" directives
in the test files... usually to a single file.

Therefore, just explicitly list the files we *really* want to run for this
test mode.  This makes it easier to see at the top level what tests will
be executed, and to change that list temporarily while debugging specific
failures.

This means the "onlyfor" directive no longer has any purpose, and we can
remove it.  "onlyfor" was also the only used of the $MODE variable, so we
can remove that too.

Signed-off-by: David Gibson

Don't abbreviate ip(8) arguments in examples and tests

2022-06-15T07:38:10+00:00

ip(8)'s ability to take abbreviated arguments (e.g. "li sh" instead of
"link show") is very handy when using it interactively, but it doesn't make
for very readable scripts and examples when shown that way.

Signed-off-by: David Gibson

test/perf/pasta_udp: Drop redundant assignment of ::1 to loopback interface

2022-05-19T13:24:15+00:00

There are a few occurrences of this assignment, which are needed to
re-add ::1 as loopback address after the MTU has been increased
back from a value below 1280 bytes.

This one, however, is redundant, and causes an error in the
execution.

Signed-off-by: Stefano Brivio

test/perf: Actually load passt enough to test UDP performance

2021-10-21T02:54:05+00:00

With recent improvements, we're not CPU-bound at all while testing
UDP performance. Give the VM more memory and CPUs, forward two
additional ports, start up to four threads in parallel, and give
single iperf3 threads higher bandwidth targets.

Signed-off-by: Stefano Brivio

test/perf: Try sourcing maximum scaling frequency from cpufreq

2021-10-20T23:24:22+00:00

On most recent CPUs, that's a better indication of all-core turbo
frequency, or non-turbo frequency, than /proc/cpuinfo.

Signed-off-by: Stefano Brivio

test/perf: Use CPU frequency from /proc/cpuinfo instead of cpupower(1)

2021-10-19T07:25:29+00:00

Get it to work also in nested virtualisation environments.

Signed-off-by: Stefano Brivio

test: Add CI/demo scripts

2021-09-27T13:10:35+00:00

Not really quick, definitely dirty.

Signed-off-by: Stefano Brivio