rtla fixes for 7.2:

- Fix and cleanup .gitignore
 
 - Fix pgrep filter in get_workload_pids.sh
 
   Fix parsing of kernel thread names in get_workload_pids() helper
   function. On some systems pgrep matches kernel thread names including
   the brackets (e.g. "[osnoise/0]") and other systems brackets are not
   included. Fix the tests to handle both.
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Merge tag 'trace-tools-7.2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace

Pull rtla fixes from Steven Rostedt:

 - Fix and cleanup .gitignore

 - Fix pgrep filter in get_workload_pids.sh

   Fix parsing of kernel thread names in get_workload_pids() helper
   function. On some systems pgrep matches kernel thread names including
   the brackets (e.g. "[osnoise/0]") and other systems brackets are not
   included. Fix the tests to handle both.

* tag 'trace-tools-7.2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
  rtla/tests: Fix pgrep filter in get_workload_pids.sh
  rtla: Fix and clean up .gitignore

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/

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$"
 }