Public bug reported:
== Justification ==
There are some non-POSIX implementations in the test script, which will
generate some noise in the test reports like:
-e -n [1] Basic trace file check
-e [PASS]
== Fix ==
* 4ce55a9c (selftests/ftrace: Replace \e with \033)
* 37fb665b (selftests/ftrace: Replace echo -e with printf)
These two patches can be cherry-picked into D/E
== Test ==
Tested on a P8 box with Disco, the patched test will print the report in a
proper format:
[1] Basic trace file check [PASS]
[2] Basic test for tracers [PASS]
== Regression Potential ==
No regression is expected. This patchset just make sure this test comply with
POSIX standard.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Affects: linux (Ubuntu Disco)
Importance: Undecided
Status: New
** Affects: linux (Ubuntu Eoan)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Eoan)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Disco)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1828995
Title:
POSIX fix for ftrace in ubuntu_kernel_selftests
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