sched_trace: Trace PGM node type parameters

1 files changed, 21 insertions, 0 deletions

diff --git a/include/trace/events/litmus.h b/include/trace/events/litmus.h
index 0b4eac386dfe..0822328144bc 100644
--- a/include/trace/events/litmus.h
+++ b/include/trace/events/litmus.h
@@ -225,6 +225,27 @@ TRACE_EVENT(litmus_sys_release,
         TP_printk("SynRelease(%Lu) at %Lu\n", __entry->rel, __entry->when)
 );
 
+/* Tracing PGM node parameters */
+TRACE_EVENT(litmus_pgm_param,
+
+        TP_PROTO(struct task_struct *t),
+
+        TP_ARGS(t),
+
+        TP_STRUCT__entry(
+                __field( pid_t, pid )
+                __field( pgm_node_type_t, node_type )
+                __field( pid_t, graph_pid )
+        ),
+
+        TP_fast_assign(
+                __entry->pid            = t ? t->pid  : 0;
+                __entry->node_type      = t ? t->rt_params.task_params.pgm_type : PGM_NOT_A_NODE;
+                __entry->graph_pid      = t ? t->tgid : 0;
+        )
+
+        TP_printk("pgm node (%u, node type = %d) in graph (%u)\n",
+                __entry->pid, __entry->node_type, __entry->graph_pid);
 /*
  * Tracing PGM-adjusted job release
  */