Revert to rtla state in 6.6.77

* tools/tracing/rtla is currently broken in upstream

error: 'struct timerlat_top_params' has no member named 'kernel_workload'

* reverting to state via git diff

upstream_patches/revert_rtla.patch

@@ -1,9 +1,3 @@
-commit 827482c38906e8cf5563a522f87d07048055e3ad
-Author: nkraetzschmar <[email protected]>
-Date:   Tue Feb 18 07:36:53 2025 +0100
-
-    revert tools/tracing/rtla to v6.6.77
-
 diff --git a/tools/tracing/rtla/src/osnoise.c b/tools/tracing/rtla/src/osnoise.c
 index 699a83f538a8..245e9344932b 100644
 --- a/tools/tracing/rtla/src/osnoise.c
@@ -18,7 +12,7 @@ index 699a83f538a8..245e9344932b 100644
  	context->opt_workload = onoff;
 
 diff --git a/tools/tracing/rtla/src/timerlat_hist.c b/tools/tracing/rtla/src/timerlat_hist.c
-index 1525e88c6cf9..667f12f2d67f 100644
+index a985e5795482..667f12f2d67f 100644
 --- a/tools/tracing/rtla/src/timerlat_hist.c
 +++ b/tools/tracing/rtla/src/timerlat_hist.c
 @@ -900,15 +900,12 @@ timerlat_hist_apply_config(struct osnoise_tool *tool, struct timerlat_hist_param
@@ -43,20 +37,28 @@ index 1525e88c6cf9..667f12f2d67f 100644
  	}
 
  	return 0;
-@@ -949,12 +946,9 @@ static struct osnoise_tool
+@@ -949,20 +946,9 @@ static struct osnoise_tool
  }
 
  static int stop_tracing;
 -static struct trace_instance *hist_inst = NULL;
  static void stop_hist(int sig)
  {
+-	if (stop_tracing) {
+-		/*
+-		 * Stop requested twice in a row; abort event processing and
+-		 * exit immediately
+-		 */
+-		tracefs_iterate_stop(hist_inst->inst);
+-		return;
+-	}
  	stop_tracing = 1;
 -	if (hist_inst)
 -		trace_instance_stop(hist_inst);
  }
 
  /*
-@@ -1000,12 +994,6 @@ int timerlat_hist_main(int argc, char *argv[])
+@@ -1008,12 +994,6 @@ int timerlat_hist_main(int argc, char *argv[])
  	}
 
  	trace = &tool->trace;
@@ -69,7 +71,7 @@ index 1525e88c6cf9..667f12f2d67f 100644
 
  	retval = enable_timerlat(trace);
  	if (retval) {
-@@ -1138,7 +1126,7 @@ int timerlat_hist_main(int argc, char *argv[])
+@@ -1146,7 +1126,7 @@ int timerlat_hist_main(int argc, char *argv[])
 
  	return_value = 0;
 
@@ -79,7 +81,7 @@ index 1525e88c6cf9..667f12f2d67f 100644
 
  		if (!params->no_aa)
 diff --git a/tools/tracing/rtla/src/timerlat_top.c b/tools/tracing/rtla/src/timerlat_top.c
-index 5a33789a375e..0915092057f8 100644
+index 1fed4c8d8520..0915092057f8 100644
 --- a/tools/tracing/rtla/src/timerlat_top.c
 +++ b/tools/tracing/rtla/src/timerlat_top.c
 @@ -679,15 +679,12 @@ timerlat_top_apply_config(struct osnoise_tool *top, struct timerlat_top_params *
@@ -104,20 +106,28 @@ index 5a33789a375e..0915092057f8 100644
  	}
 
  	return 0;
-@@ -728,12 +725,9 @@ static struct osnoise_tool
+@@ -728,20 +725,9 @@ static struct osnoise_tool
  }
 
  static int stop_tracing;
 -static struct trace_instance *top_inst = NULL;
  static void stop_top(int sig)
  {
+-	if (stop_tracing) {
+-		/*
+-		 * Stop requested twice in a row; abort event processing and
+-		 * exit immediately
+-		 */
+-		tracefs_iterate_stop(top_inst->inst);
+-		return;
+-	}
  	stop_tracing = 1;
 -	if (top_inst)
 -		trace_instance_stop(top_inst);
  }
 
  /*
-@@ -780,13 +774,6 @@ int timerlat_top_main(int argc, char *argv[])
+@@ -788,13 +774,6 @@ int timerlat_top_main(int argc, char *argv[])
  	}
 
  	trace = &top->trace;
@@ -131,7 +141,7 @@ index 5a33789a375e..0915092057f8 100644
 
  	retval = enable_timerlat(trace);
  	if (retval) {
-@@ -935,7 +922,7 @@ int timerlat_top_main(int argc, char *argv[])
+@@ -943,7 +922,7 @@ int timerlat_top_main(int argc, char *argv[])
 
  	return_value = 0;