Exemplos de pevent_parse_format em C++ (Cpp)

Exemplo n.º 1

Arquivo: evsel.c Projeto: LITMUS-RT/litmus-rt-odroidx

struct event_format *event_format__new(const char *sys, const char *name)
{
	int fd, n;
	char *filename;
	void *bf = NULL, *nbf;
	size_t size = 0, alloc_size = 0;
	struct event_format *format = NULL;

	if (asprintf(&filename, "%s/%s/%s/format", tracing_events_path, sys, name) < 0)
		goto out;

	fd = open(filename, O_RDONLY);
	if (fd < 0)
		goto out_free_filename;

	do {
		if (size == alloc_size) {
			alloc_size += BUFSIZ;
			nbf = realloc(bf, alloc_size);
			if (nbf == NULL)
				goto out_free_bf;
			bf = nbf;
		}

		n = read(fd, bf + size, BUFSIZ);
		if (n < 0)
			goto out_free_bf;
		size += n;
	} while (n > 0);

	pevent_parse_format(&format, bf, size, sys);

out_free_bf:
	free(bf);
	close(fd);
out_free_filename:
	free(filename);
out:
	return format;
}

Exemplo n.º 2

Arquivo: trace-event.c Projeto: AK101111/linux

/*
 * Returns pointer with encoded error via <linux/err.h> interface.
 */
static struct event_format*
tp_format(const char *sys, const char *name)
{
	struct pevent *pevent = tevent.pevent;
	struct event_format *event = NULL;
	char path[PATH_MAX];
	size_t size;
	char *data;
	int err;

	scnprintf(path, PATH_MAX, "%s/%s/%s/format",
		  tracing_events_path, sys, name);

	err = filename__read_str(path, &data, &size);
	if (err)
		return ERR_PTR(err);

	pevent_parse_format(pevent, &event, data, size, sys);

	free(data);
	return event;
}