Kludge: Add graph e-to-e period in sched_trace

Kludge the expected graph end-to-end response time
into record data to make data analysis easier.

3 files changed, 4 insertions, 1 deletions

diff --git a/include/litmus/rt_param.h b/include/litmus/rt_param.h
index 7b4045069b27..76bb7d55e453 100644
--- a/include/litmus/rt_param.h
+++ b/include/litmus/rt_param.h
@@ -91,6 +91,7 @@ struct rt_task {
         budget_policy_t  budget_policy;  /* ignored by pfair */
         release_policy_t release_policy;
         pgm_node_type_t pgm_type;
+        lt_t            pgm_expected_etoe;
 };
 
 union np_flag {
diff --git a/include/litmus/sched_trace.h b/include/litmus/sched_trace.h
index c30a80a69333..8c7dfae1ab24 100644
--- a/include/litmus/sched_trace.h
+++ b/include/litmus/sched_trace.h
@@ -83,7 +83,8 @@ struct st_sys_release_data {
 struct st_pgm_param_data {
         u32 node_type;
         u16 graph_pid;
-        u8  __unused[10];
+        u16 unused;
+        u64 expected_graph_etoe;
 };
 
 struct st_pgm_release_data {
diff --git a/litmus/sched_task_trace.c b/litmus/sched_task_trace.c
index b9e772c07652..ea9e207a50d5 100644
--- a/litmus/sched_task_trace.c
+++ b/litmus/sched_task_trace.c
@@ -245,6 +245,7 @@ feather_callback void do_sched_trace_pgm_param(unsigned long id, unsigned long _
         if (rec) {
                 rec->data.pgm_param.node_type = tsk_rt(t)->task_params.pgm_type;
                 rec->data.pgm_param.graph_pid = t->tgid;
+                rec->data.pgm_param.expected_graph_etoe = tsk_rt(t)->task_params.pgm_expected_etoe;
                 put_record(rec);
         }
 }