1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Copyright 2014, Michael Ellerman, IBM Corp. 4*4882a593Smuzhiyun */ 5*4882a593Smuzhiyun 6*4882a593Smuzhiyun #ifndef _SELFTESTS_POWERPC_PMU_EBB_TRACE_H 7*4882a593Smuzhiyun #define _SELFTESTS_POWERPC_PMU_EBB_TRACE_H 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun #include "utils.h" 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun #define TRACE_TYPE_REG 1 12*4882a593Smuzhiyun #define TRACE_TYPE_COUNTER 2 13*4882a593Smuzhiyun #define TRACE_TYPE_STRING 3 14*4882a593Smuzhiyun #define TRACE_TYPE_INDENT 4 15*4882a593Smuzhiyun #define TRACE_TYPE_OUTDENT 5 16*4882a593Smuzhiyun 17*4882a593Smuzhiyun struct trace_entry 18*4882a593Smuzhiyun { 19*4882a593Smuzhiyun u8 type; 20*4882a593Smuzhiyun u8 length; 21*4882a593Smuzhiyun u8 data[]; 22*4882a593Smuzhiyun }; 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun struct trace_buffer 25*4882a593Smuzhiyun { 26*4882a593Smuzhiyun u64 size; 27*4882a593Smuzhiyun bool overflow; 28*4882a593Smuzhiyun void *tail; 29*4882a593Smuzhiyun u8 data[]; 30*4882a593Smuzhiyun }; 31*4882a593Smuzhiyun 32*4882a593Smuzhiyun struct trace_buffer *trace_buffer_allocate(u64 size); 33*4882a593Smuzhiyun int trace_log_reg(struct trace_buffer *tb, u64 reg, u64 value); 34*4882a593Smuzhiyun int trace_log_counter(struct trace_buffer *tb, u64 value); 35*4882a593Smuzhiyun int trace_log_string(struct trace_buffer *tb, char *str); 36*4882a593Smuzhiyun int trace_log_indent(struct trace_buffer *tb); 37*4882a593Smuzhiyun int trace_log_outdent(struct trace_buffer *tb); 38*4882a593Smuzhiyun void trace_buffer_print(struct trace_buffer *tb); 39*4882a593Smuzhiyun void trace_print_location(struct trace_buffer *tb); 40*4882a593Smuzhiyun 41*4882a593Smuzhiyun #endif /* _SELFTESTS_POWERPC_PMU_EBB_TRACE_H */ 42