1 // SPDX-License-Identifier: GPL-2.0
23 #include "trace-local.h"
54 	static int bigendian = -1;  in create_type_len()
88 	page = cpu_data->page;  in write_record()
92 	ptr = page + cpu_data->index;  in write_record()
94 	diff = record->ts - cpu_data->ts;  in write_record()
98 		time = (unsigned int)(diff & ((1ULL << 27) - 1));  in write_record()
104 		cpu_data->ts = record->ts;  in write_record()
105 		cpu_data->index += 8;  in write_record()
109 	if (record->size && (record->size <= 28 * 4))  in write_record()
110 		len = record->size / 4;  in write_record()
120 		len = record->size + 4;  in write_record()
121 		if ((len + 4) > record->record_size)  in write_record()
123 			    record->record_size, len + 4);  in write_record()
129 	len = (record->size + 3) & ~3;  in write_record()
132 	memcpy(ptr, record->data, len);  in write_record()
134 	cpu_data->index += index;  in write_record()
135 	cpu_data->ts = record->ts;  in write_record()
144 		unsigned long long index = cpu_data->index - 16;  in write_page()
145 		*(unsigned long long *)cpu_data->commit =  in write_page()
148 		unsigned int index = cpu_data->index - 12;  in write_page()
149 		*(unsigned int *)cpu_data->commit =  in write_page()
152 	write(cpu_data->fd, cpu_data->page, page_size);  in write_page()
165 			 int percpu, unsigned long long start, int cpu, int cpus)  in set_cpu_time()  argument
172 	for (cpu = 0; cpu < cpus; cpu++)  in set_cpu_time()
189 	int cpus;  in parse_cpu()  local
193 	cpus = tracecmd_cpus(handle);  in parse_cpu()
204 		for (cpu = 0; cpu < cpus; cpu++) {  in parse_cpu()
218 		set_cpu_time(handle, percpu, start, cpu, cpus);  in parse_cpu()
219 		while (record && record->ts < start) {  in parse_cpu()
224 		start = record->ts;  in parse_cpu()
226 	while (record && (!end || record->ts <= end)) {  in parse_cpu()
227 		if (cpu_data[cpu].index + record->record_size > page_size) {  in parse_cpu()
244 				tep_read_number(pevent, &(record->ts), 8);  in parse_cpu()
245 			cpu_data[cpu].ts = record->ts;  in parse_cpu()
252 		cpu_data[cpu].offset = record->offset;  in parse_cpu()
263 					for (cpu = 0; cpu < cpus; cpu++)  in parse_cpu()
272 				    record->ts >  in parse_cpu()
280 				    record->ts >  in parse_cpu()
288 				    record->ts >  in parse_cpu()
316 		for (cpu = 0; cpu < cpus; cpu++) {  in parse_cpu()
343 	int cpus;  in parse_file()  local
353 	cpus = tracecmd_cpus(handle);  in parse_file()
354 	cpu_data = malloc(sizeof(*cpu_data) * cpus);  in parse_file()
356 		die("Failed to allocate cpu_data for %d cpus", cpus);  in parse_file()
358 	for (cpu = 0; cpu < cpus; cpu++) {  in parse_file()
377 		for (cpu = 0; cpu < cpus; cpu++)  in parse_file()
382 			  end, count, percpu, -1, type);  in parse_file()
384 	cpu_list = malloc(sizeof(*cpu_list) * cpus);  in parse_file()
386 		die("Failed to allocate cpu_list for %d cpus", cpus);  in parse_file()
387 	for (cpu = 0; cpu < cpus; cpu ++)  in parse_file()
391 	if (tracecmd_append_cpu_data(ohandle, cpus, cpu_list) < 0)  in parse_file()
395 	for (cpu = 0; cpu < cpus; cpu++) {  in parse_file()
399 			if (record && (!current || record->ts > current))  in parse_file()
400 				current = record->ts + 1;  in parse_file()
428 	int cpu = -1;  in trace_split()
435 	while ((c = getopt(argc-1, argv+1, "+ho:i:s:m:u:e:p:rcC:")) >= 0) {  in trace_split()
483 	ac = (argc - optind);  in trace_split()
519 		die("trace-cmd split does not work with latency traces\n");  in trace_split()