tests: robustify prctl-pdeathsig.test and prctl-tsc.test

Rrobustify remaining prctl tests against unrelated prctl invocations

* tests/prctl-pdeathsig.test: Filter out unrelated PR_GET_* and PR_SET_*
prctl calls.
* tests/prctl-tsc.test: Likewise.

diff --git a/tests/prctl-pdeathsig.test b/tests/prctl-pdeathsig.test
index d8c793a45303a5e27d754b638b353b65a5d483f4..2777503ae53f0d701500752076d647d240f11296 100755 (executable)
--- a/tests/prctl-pdeathsig.test
+++ b/tests/prctl-pdeathsig.test
@@ -3,4 +3,11 @@
 # Check prctl PR_GET_PDEATHSIG PR_SET_PDEATHSIG decoding.
 
 . "${srcdir=.}/init.sh"
-run_strace_match_diff -a30 -e trace=prctl
+
+check_prog grep
+run_prog > /dev/null
+run_strace -a30 -eprctl $args > "$EXP"
+grep -v '^prctl(PR_[GS]ET_[^P][^D]' < "$LOG" > "$OUT"
+match_diff "$OUT" "$EXP"
+
+rm -f "$EXP" "$OUT"

diff --git a/tests/prctl-tsc.test b/tests/prctl-tsc.test
index ea1a477848aa033aadb6934420d79ca1b3bd68b0..a906ba894b4b2e98648121c4eedc9e18664afd21 100755 (executable)
--- a/tests/prctl-tsc.test
+++ b/tests/prctl-tsc.test
@@ -3,4 +3,11 @@
 # Check prctl PR_GET_TSC PR_SET_TSC decoding.
 
 . "${srcdir=.}/init.sh"
-run_strace_match_diff -a24 -e trace=prctl
+
+check_prog grep
+run_prog > /dev/null
+run_strace -a24 -eprctl $args > "$EXP"
+grep -v '^prctl(PR_[GS]ET_[^T][^S]' < "$LOG" > "$OUT"
+match_diff "$OUT" "$EXP"
+
+rm -f "$EXP" "$OUT"