diff --git a/tools/tracing/rtla/.gitignore b/tools/tracing/rtla/.gitignore
index c7b4bf1c8ba9..2a1c99ddd1bf 100644
--- a/tools/tracing/rtla/.gitignore
+++ b/tools/tracing/rtla/.gitignore
@@ -1,14 +1,9 @@
 # SPDX-License-Identifier: GPL-2.0-only
-rtla
-rtla-static
-unit_tests
+/rtla
+/rtla-static
+/unit_tests
 fixdep
 feature
 FEATURE-DUMP
 *.skel.h
-custom_filename.txt
-osnoise_irq_noise_hist.txt
-osnoise_trace.txt
-timerlat_trace.txt
-libsubcmd/
-lib/
+/libsubcmd/
diff --git a/tools/tracing/rtla/tests/scripts/lib/get_workload_pids.sh b/tools/tracing/rtla/tests/scripts/lib/get_workload_pids.sh
index 8aff98cd2c1f..d10a4e3b321d 100644
--- a/tools/tracing/rtla/tests/scripts/lib/get_workload_pids.sh
+++ b/tools/tracing/rtla/tests/scripts/lib/get_workload_pids.sh
@@ -5,7 +5,7 @@ get_workload_pids() {
     local rtla_pid=$(ps -o ppid= $shell_pid)
 
     # kernel threads
-    pgrep -P $(pgrep ^kthreadd$) -f '^(osnoise|timerlat)/[0-9]+$'
+    pgrep -P $(pgrep ^kthreadd$) -f '^\[?(osnoise|timerlat)/[0-9]+\]?$'
     # user threads
     pgrep -P $rtla_pid | grep -v "^$shell_pid$"
 }