38 static int past_eof(struct trace *trace, char *cur)  in past_eof()  argument
40 	if (cur >= trace->fio_start + trace->fio_len)  in past_eof()
45 static int parse_fio_line(struct trace *trace, int *time, int *rate, int *dir, int *bs)  in parse_fio_line()  argument
47 	char *cur = trace->fio_cur;  in parse_fio_line()
77 int next_fio_line(struct trace *trace)  in next_fio_line()  argument
80 	char *cur = trace->fio_cur;  in next_fio_line()
86 	if (past_eof(trace, next))  in next_fio_line()
88 	trace->fio_cur = next;  in next_fio_line()
92 char *first_fio(struct trace *trace)  in first_fio()  argument
94 	trace->fio_cur = trace->fio_start;  in first_fio()
95 	return trace->fio_cur;  in first_fio()
98 static void find_last_fio_time(struct trace *trace)  in find_last_fio_time()  argument
105 	if (trace->fio_len == 0)  in find_last_fio_time()
108 	first_fio(trace);  in find_last_fio_time()
110 		ret = parse_fio_line(trace, &time, &rate, &dir, &bs);  in find_last_fio_time()
115 		ret = next_fio_line(trace);  in find_last_fio_time()
120 	trace->fio_seconds = ceil(d);  in find_last_fio_time()
124 static int read_fio(struct trace *trace, char *trace_name)  in read_fio()  argument
143 		fprintf(stderr, "Unable to mmap trace file %s, err %s\n",  in read_fio()
147 	trace->fio_start = p;  in read_fio()
148 	trace->fio_len = st.st_size;  in read_fio()
149 	trace->fio_cur = p;  in read_fio()
150 	trace->fio_fd = fd;  in read_fio()
151 	find_last_fio_time(trace);  in read_fio()
152 	first_fio(trace);  in read_fio()
160 struct trace *open_fio_trace(char *path)  in open_fio_trace()
163 	struct trace *trace;  in open_fio_trace()  local
165 	trace = calloc(1, sizeof(*trace));  in open_fio_trace()
166 	if (!trace) {  in open_fio_trace()
167 		fprintf(stderr, "unable to allocate memory for trace\n");  in open_fio_trace()
171 	ret = read_fio(trace, path);  in open_fio_trace()
173 		free(trace);  in open_fio_trace()
177 	return trace;  in open_fio_trace()
180 int read_fio_event(struct trace *trace, int *time_ret, u64 *bw_ret, int *dir_ret)  in read_fio_event()  argument
182 	char *cur = trace->fio_cur;  in read_fio_event()
186 	if (past_eof(trace, cur))  in read_fio_event()
189 	ret = parse_fio_line(trace, &time, &rate, &dir, &bs);  in read_fio_event()