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-rw-r--r--tools/testing/selftests/powerpc/pmu/ebb/trace.h41
1 files changed, 41 insertions, 0 deletions
diff --git a/tools/testing/selftests/powerpc/pmu/ebb/trace.h b/tools/testing/selftests/powerpc/pmu/ebb/trace.h
new file mode 100644
index 000000000..da2a3be54
--- /dev/null
+++ b/tools/testing/selftests/powerpc/pmu/ebb/trace.h
@@ -0,0 +1,41 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright 2014, Michael Ellerman, IBM Corp.
+ */
+
+#ifndef _SELFTESTS_POWERPC_PMU_EBB_TRACE_H
+#define _SELFTESTS_POWERPC_PMU_EBB_TRACE_H
+
+#include "utils.h"
+
+#define TRACE_TYPE_REG 1
+#define TRACE_TYPE_COUNTER 2
+#define TRACE_TYPE_STRING 3
+#define TRACE_TYPE_INDENT 4
+#define TRACE_TYPE_OUTDENT 5
+
+struct trace_entry
+{
+ u8 type;
+ u8 length;
+ u8 data[];
+};
+
+struct trace_buffer
+{
+ u64 size;
+ bool overflow;
+ void *tail;
+ u8 data[];
+};
+
+struct trace_buffer *trace_buffer_allocate(u64 size);
+int trace_log_reg(struct trace_buffer *tb, u64 reg, u64 value);
+int trace_log_counter(struct trace_buffer *tb, u64 value);
+int trace_log_string(struct trace_buffer *tb, char *str);
+int trace_log_indent(struct trace_buffer *tb);
+int trace_log_outdent(struct trace_buffer *tb);
+void trace_buffer_print(struct trace_buffer *tb);
+void trace_print_location(struct trace_buffer *tb);
+
+#endif /* _SELFTESTS_POWERPC_PMU_EBB_TRACE_H */