Cross Reference: /external/linux-tools-perf/util/trace-event-read.c

Lines Matching refs:cpu
288 	int			cpu;
295 static void update_cpu_data_index(int cpu)
297 	cpu_data[cpu].offset += page_size;
298 	cpu_data[cpu].size -= page_size;
299 	cpu_data[cpu].index = 0;
302 static void get_next_page(int cpu)
307 	if (!cpu_data[cpu].page)
311 		if (cpu_data[cpu].size <= page_size) {
312 			free(cpu_data[cpu].page);
313 			cpu_data[cpu].page = NULL;
317 		update_cpu_data_index(cpu);
322 		ret = lseek(input_fd, cpu_data[cpu].offset, SEEK_SET);
325 		ret = read(input_fd, cpu_data[cpu].page, page_size);
335 	munmap(cpu_data[cpu].page, page_size);
336 	cpu_data[cpu].page = NULL;
338 	if (cpu_data[cpu].size <= page_size)
341 	update_cpu_data_index(cpu);
343 	cpu_data[cpu].page = mmap(NULL, page_size, PROT_READ, MAP_PRIVATE,
344 				  input_fd, cpu_data[cpu].offset);
345 	if (cpu_data[cpu].page == MAP_FAILED)
346 		die("failed to mmap cpu %d at offset 0x%llx",
347 		    cpu, cpu_data[cpu].offset);
366 static int calc_index(void *ptr, int cpu)
368 	return (unsigned long)ptr - (unsigned long)cpu_data[cpu].page;
371 struct record *trace_peek_data(int cpu)
374 	void *page = cpu_data[cpu].page;
375 	int idx = cpu_data[cpu].index;
383 	if (cpu_data[cpu].next)
384 		return cpu_data[cpu].next;
393 		cpu_data[cpu].timestamp = data2host8(ptr);
397 			cpu_data[cpu].page_size = data2host4(ptr);
401 			cpu_data[cpu].page_size = data2host8(ptr);
407 		ptr = cpu_data[cpu].page + header_page_data_offset;
411 	idx = calc_index(ptr, cpu);
413 	if (idx >= cpu_data[cpu].page_size) {
414 		get_next_page(cpu);
415 		return trace_peek_data(cpu);
439 		cpu_data[cpu].timestamp += extend;
455 	cpu_data[cpu].timestamp += delta;
460 	data->ts = cpu_data[cpu].timestamp;
465 	cpu_data[cpu].index = calc_index(ptr, cpu);
466 	cpu_data[cpu].next = data;
471 struct record *trace_read_data(int cpu)
475 	data = trace_peek_data(cpu);
476 	cpu_data[cpu].next = NULL;