[PATCH 5/5] platform/x86/intel/ifs: Trace support for array test

[Jithu Joseph]

Enable tracing support in array test flow.

Signed-off-by: Jithu Joseph <jithu.joseph@xxxxxxxxx>
Reviewed-by: Tony Luck <tony.luck@xxxxxxxxx>
---
 include/trace/events/intel_ifs.h         | 27 ++++++++++++++++++++++++
 drivers/platform/x86/intel/ifs/runtest.c |  1 +
 2 files changed, 28 insertions(+)

diff --git a/include/trace/events/intel_ifs.h b/include/trace/events/intel_ifs.h
index d7353024016c..db43df4139a2 100644
--- a/include/trace/events/intel_ifs.h
+++ b/include/trace/events/intel_ifs.h
@@ -35,6 +35,33 @@ TRACE_EVENT(ifs_status,
 		__entry->status)
 );
 
+TRACE_EVENT(ifs_array,
+
+	TP_PROTO(int cpu, union ifs_array activate, union ifs_array status),
+
+	TP_ARGS(cpu, activate, status),
+
+	TP_STRUCT__entry(
+		__field(	u64,	status	)
+		__field(	int,	cpu	)
+		__field(	u32,	arrays	)
+		__field(	u16,	bank	)
+	),
+
+	TP_fast_assign(
+		__entry->cpu	= cpu;
+		__entry->arrays	= activate.array_bitmask;
+		__entry->bank	= activate.array_bank;
+		__entry->status	= status.data;
+	),
+
+	TP_printk("cpu: %d, array_list: %.8x, array_bank: %.4x, status: %.16llx",
+		__entry->cpu,
+		__entry->arrays,
+		__entry->bank,
+		__entry->status)
+);
+
 #endif /* _TRACE_IFS_H */
 
 /* This part must be outside protection */
diff --git a/drivers/platform/x86/intel/ifs/runtest.c b/drivers/platform/x86/intel/ifs/runtest.c
index ec0ceb6b5890..4fd80d91ea29 100644
--- a/drivers/platform/x86/intel/ifs/runtest.c
+++ b/drivers/platform/x86/intel/ifs/runtest.c
@@ -301,6 +301,7 @@ static void ifs_array_test_core(int cpu, struct device *dev)
 		stop_core_cpuslocked(cpu, do_array_test, msrvals);
 		status.data = msrvals[1];
 
+		trace_ifs_array(cpu, activate, status);
 		if (status.ctrl_result)
 			break;
 
-- 
2.25.1