github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-06-01 19:13:47 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

linux_kselftest-fixes-6.15-rc3

Browse Source 
Fixes dynevent_limitations.tc test failure on dash by detecting and
 handling bash and dash differences in evaluating \\.
 -----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCgAdFiEEPZKym/RZuOCGeA/kCwJExA0NQxwFAmgCh6wACgkQCwJExA0N
 QxzydA/6AvqacF9iRpUyUkTGfc8MAVBD6nHm+kzIZnjTVf6Ne845lq1qwpqnnTGp
 AhXvCB/YouNL2LoxukndDabO+SHGWJbJopPjUMf6U06taSGCg0d6JBETlok9fhR6
 hJiuwHTLByXu5v+DfnNIWvj0JrHf7hl1brGODKaSYF1aRTGWb1jVUjNzjpsTD+8M
 7UDpUvAN/WUt6F/UqehgNaSlJccdBvPMGYf62dQU6tVHyjLItL9UmqhDO0z3DNI8
 RKkW36cEIqOiZPRslI627rQv5F0jX6Y35nbokK2U186QgVd4ncUwn4AwjApDtm3Z
 cFYmheWDd866GHslBI+OYbHAm0Cz3tw9F4eHSsA3HLVNufWCTeV+dBXNym8ebYhJ
 X0CGa5iDo96FBR5+vN0GZxpUgrWaM8wBMGifJO8VpiEcn7YayxcXaYdqy7Pefyfi
 llFAWES5HT0zhR5bdqBMIRylu2tB2t4N5wg0Xk2/jFAAT3mrMrV7LhzIbkXUCcCo
 Am9T7y9d9YvqY11f0JB0jbmlvGyOumkgdoKCR/0mwvDDUa7csbwcdxcayoM42mLQ
 XNCJdlLycdmcbSzWoCaIcJ8UEKvcMyGS77L9wQHqdce9xw80Kr20lw6Dd2/3EJxY
 ZTL90dv/drWj/v1+qgARO33kqdtfrOGjtrRGVb0Yq2+Dfsw8tpA=
 =Qxf6
 -----END PGP SIGNATURE-----

Merge tag 'linux_kselftest-fixes-6.15-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

Pull kselftest fix from Shuah Khan:
 "Fixes dynevent_limitations.tc test failure on dash by detecting and
  handling bash and dash differences in evaluating \\"

* tag 'linux_kselftest-fixes-6.15-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
  selftests/ftrace: Differentiate bash and dash in dynevent_limitations.tc
This commit is contained in:
Linus Torvalds 2025-04-18 11:32:31 -07:00
commit 338d40ceef
1 changed files with 22 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
tools/testing/selftests/ftrace/test.d/dynevent/dynevent_limitations.tc
View File

@ -7,11 +7,32 @@
MAX_ARGS=128
EXCEED_ARGS=$((MAX_ARGS + 1))
# bash and dash evaluate variables differently.
# dash will evaluate '\\' every time it is read whereas bash does not.
#
# TEST_STRING="$TEST_STRING \\$i"
# echo $TEST_STRING
#
# With i=123
# On bash, that will print "\123"
# but on dash, that will print the escape sequence of \123 as the \ will
# be interpreted again in the echo.
#
# Set a variable "bs" to save a double backslash, then echo that
# to "ts" to see if $ts changed or not. If it changed, it's dash,
# if not, it's bash, and then bs can equal a single backslash.
bs='\\'
ts=`echo $bs`
if [ "$ts" = '\\' ]; then
# this is bash
bs='\'
fi
check_max_args() { # event_header
TEST_STRING=$1
# Acceptable
for i in `seq 1 $MAX_ARGS`; do
TEST_STRING="$TEST_STRING \\$i"
TEST_STRING="$TEST_STRING $bs$i"
done
echo "$TEST_STRING" >> dynamic_events
echo > dynamic_events