strace: skip a number of load-sensitive tests

Some tests are very load-sensitive as they depend on sleep() calls to
take a precise amount of time. These will randomly fail in the automated
QA, so skip them.

(From OE-Core rev: ea6933d2500827eae5482a32d5037e0429cd096a)

Signed-off-by: Ross Burton <ross.burton@arm.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-devtools/strace/strace/skip-load.patch

@@ -0,0 +1,55 @@
+Skip tests which are known to be unreliable under load, typically because they
+care about timing.
+
+Upstream-Status: Inappropriate
+Signed-off-by: Ross Burton <ross.burton@arm.com>
+
+diff --git a/tests/clock_nanosleep.gen.test b/tests/clock_nanosleep.gen.test
+index 7a6025b..f0e6dbb 100755
+--- a/tests/clock_nanosleep.gen.test
++++ b/tests/clock_nanosleep.gen.test
+@@ -1,4 +1,5 @@
+ #!/bin/sh -efu
+ # Generated by ./tests/gen_tests.sh from ./tests/gen_tests.in (clock_nanosleep -e trace=clock_nanosleep,clock_gettime); do not edit.
+ . "${srcdir=.}/init.sh"
++skip_ "Test not reliable under load"
+ run_strace_match_diff -e trace=clock_nanosleep,clock_gettime
+diff --git a/tests/delay.test b/tests/delay.test
+index f74e27f..328087e 100755
+--- a/tests/delay.test
++++ b/tests/delay.test
+@@ -9,6 +9,8 @@
+ 
+ . "${srcdir=.}/init.sh"
+ 
++skip_ "Test not reliable under load"
++
+ while read -r denter dexit denter_us dexit_us; do
+ 	[ -n "$denter" ] || continue
+ 
+diff --git a/tests/strace-T.test b/tests/strace-T.test
+index adca3e8..d4acfe9 100755
+--- a/tests/strace-T.test
++++ b/tests/strace-T.test
+@@ -9,6 +9,8 @@
+ 
+ . "${srcdir=.}/init.sh"
+ 
++skip_ "Test not reliable under load"
++
+ T_opt="${1:--T}"
+ 
+ run_prog ../sleep 0
+diff --git a/tests/strace-r.test b/tests/strace-r.test
+index 8299737..c360344 100755
+--- a/tests/strace-r.test
++++ b/tests/strace-r.test
+@@ -9,6 +9,8 @@
+ 
+ . "${srcdir=.}/init.sh"
+ 
++skip_ "Test not reliable under load"
++
+ r_opt="${1:--r}"
+ 
+ run_prog ../sleep 0

meta/recipes-devtools/strace/strace_5.16.bb

@@ -12,6 +12,7 @@ SRC_URI = "https://strace.io/files/${PV}/strace-${PV}.tar.xz \
            file://0001-caps-abbrev.awk-fix-gawk-s-path.patch \
            file://ptest-spacesave.patch \
            file://0001-strace-fix-reproducibilty-issues.patch \
+           file://skip-load.patch \
            "
 SRC_URI[sha256sum] = "dc7db230ff3e57c249830ba94acab2b862da1fcaac55417e9b85041a833ca285"