From 5d247c72202e7b5c23cc291f1716984e0f92ff53 Mon Sep 17 00:00:00 2001
From: Martin Cermak <mcermak@redhat.com>
Date: May 26 2022 09:05:48 +0000
Subject: CI Tests: make Regression/python-probing less flaky


Make Regression/python-probing less flaky by restricting
the output flow, preventing the transport buffers flood (PR29108).

---

diff --git a/tests/Regression/python-probing/list.stp b/tests/Regression/python-probing/list.stp
index 357fef6..f68e700 100755
--- a/tests/Regression/python-probing/list.stp
+++ b/tests/Regression/python-probing/list.stp
@@ -11,10 +11,12 @@
 */
 probe python.function.entry
 {
+ if ( filename =~ "random" )
   printf("%s => %s in %s:%d\n", thread_indent(1), funcname, filename, lineno);
 }
 
 probe python.function.return
 {
+ if ( filename =~ "random" )
   printf("%s <= %s in %s:%d\n", thread_indent(-1), funcname, filename, lineno);
 }
diff --git a/tests/Regression/python-probing/runtest.sh b/tests/Regression/python-probing/runtest.sh
index 52c7091..5ead47e 100755
--- a/tests/Regression/python-probing/runtest.sh
+++ b/tests/Regression/python-probing/runtest.sh
@@ -65,11 +65,8 @@ rlJournalStart
             rlRun "stap $script.stp -v -c \"$PYTHON test.py\" > $script" \
                     0 "Testing with $script.stp"
             rlRun "tail -100 $script | col -b" 0 "Inspecting output"
-            if ! rlRun "grep '/usr/lib.*python.*random.py' '$script'" \
-                    0 "Checking for random in the $script output"; then
-                rlRun "stap $script.stp -vvv -c \"$PYTHON test.py\" > $script" \
-                        0 "Running $script.stp once more in verbose mode"
-            fi
+            rlRun "grep '/usr/lib.*python.*random.py' '$script'" \
+                    0 "Checking for random in the $script output"
         rlPhaseEnd
     done
 
diff --git a/tests/Regression/python-probing/top.stp b/tests/Regression/python-probing/top.stp
index b5645b2..f32fbf9 100755
--- a/tests/Regression/python-probing/top.stp
+++ b/tests/Regression/python-probing/top.stp
@@ -8,10 +8,8 @@ probe python.function.entry
 }
 
 probe timer.ms(1000) {
-    printf("\033[2J\033[1;1H") /* clear screen */
-    printf("%6s %80s %6s %30s %6s\n",
-           "PID", "FILENAME", "LINE", "FUNCTION", "CALLS")
     foreach ([pid, filename, funcname, lineno] in fn_calls- limit 1000) {
+      if (filename =~ "random")
         printf("%6d %80s %6d %30s %6d\n",
             pid, filename, lineno, funcname,
             fn_calls[pid, filename, funcname, lineno]);