47 static int past_eof(struct trace *trace, char *cur)  in past_eof()  argument
49 	if (cur >= trace->mpstat_start + trace->mpstat_len)  in past_eof()
54 int next_mpstat_line(struct trace *trace)  in next_mpstat_line()  argument
57 	char *cur = trace->mpstat_cur;  in next_mpstat_line()
63 	if (past_eof(trace, next))  in next_mpstat_line()
65 	trace->mpstat_cur = next;  in next_mpstat_line()
69 char *next_mpstat(struct trace *trace)  in next_mpstat()  argument
73 	cur = strstr(trace->mpstat_cur, record_header);  in next_mpstat()
77 		cur = strstr(trace->mpstat_cur, record_header_v2);  in next_mpstat()
84 	if (past_eof(trace, cur))  in next_mpstat()
86 	trace->mpstat_cur = cur;  in next_mpstat()
90 char *first_mpstat(struct trace *trace)  in first_mpstat()  argument
92 	char *cur = trace->mpstat_cur;  in first_mpstat()
94 	trace->mpstat_cur = trace->mpstat_start;  in first_mpstat()
96 	cur = next_mpstat(trace);  in first_mpstat()
102 static void find_last_mpstat_time(struct trace *trace)  in find_last_mpstat_time()  argument
107 	first_mpstat(trace);  in find_last_mpstat_time()
109 	cur = first_mpstat(trace);  in find_last_mpstat_time()
112 		cur = next_mpstat(trace);  in find_last_mpstat_time()
114 	first_mpstat(trace);  in find_last_mpstat_time()
115 	trace->mpstat_seconds = num_mpstats;  in find_last_mpstat_time()
118 static int guess_mpstat_cpus(struct trace *trace)  in guess_mpstat_cpus()  argument
124 	cur = first_mpstat(trace);  in guess_mpstat_cpus()
129 		ret = next_mpstat_line(trace);  in guess_mpstat_cpus()
133 		cur = trace->mpstat_cur;  in guess_mpstat_cpus()
142 	trace->mpstat_num_cpus = count - 1;  in guess_mpstat_cpus()
146 static int count_mpstat_cpus(struct trace *trace)  in count_mpstat_cpus()  argument
148 	char *cur = trace->mpstat_start;  in count_mpstat_cpus()
153 	first_mpstat(trace);  in count_mpstat_cpus()
156 		return guess_mpstat_cpus(trace);  in count_mpstat_cpus()
170 	trace->mpstat_num_cpus = atoi(cur);  in count_mpstat_cpus()
171 	first_mpstat(trace);  in count_mpstat_cpus()
174 	return trace->mpstat_num_cpus;  in count_mpstat_cpus()
204 int read_mpstat(struct trace *trace, char *trace_name)  in read_mpstat()  argument
227 		fprintf(stderr, "Unable to mmap trace file %s, err %s\n", line, strerror(errno));  in read_mpstat()
230 	trace->mpstat_start = p;  in read_mpstat()
231 	trace->mpstat_len = st.st_size;  in read_mpstat()
232 	trace->mpstat_cur = p;  in read_mpstat()
233 	trace->mpstat_fd = fd;  in read_mpstat()
234 	find_last_mpstat_time(trace);  in read_mpstat()
235 	count_mpstat_cpus(trace);  in read_mpstat()
237 	first_mpstat(trace);  in read_mpstat()
256 int read_mpstat_event(struct trace *trace, double *user,  in read_mpstat_event()  argument
260 	char *cur = trace->mpstat_cur;  in read_mpstat_event()
266 	if (past_eof(trace, cur))  in read_mpstat_event()