131 	size_t boffs = 0;  in trace_vprintf()  local
142 	boffs += res;  in trace_vprintf()
145 	res = snprintk(buf + boffs, sizeof(buf) - boffs, "%s:",  in trace_vprintf()
149 	boffs += res;  in trace_vprintf()
153 		res = print_guest_id(buf + boffs, sizeof(buf) - boffs);  in trace_vprintf()
156 		boffs += res;  in trace_vprintf()
159 		res = print_core_id(buf + boffs, sizeof(buf) - boffs);  in trace_vprintf()
162 		boffs += res;  in trace_vprintf()
165 		res = print_thread_id(buf + boffs, sizeof(buf) - boffs);  in trace_vprintf()
168 		boffs += res;  in trace_vprintf()
171 			res = snprintk(buf + boffs, sizeof(buf) - boffs, "%s:%d ",  in trace_vprintf()
175 			boffs += res;  in trace_vprintf()
179 		if (boffs >= sizeof(buf) - 1)  in trace_vprintf()
181 		buf[boffs++] = ' ';  in trace_vprintf()
182 		buf[boffs] = 0;  in trace_vprintf()
185 	res = vsnprintk(buf + boffs, sizeof(buf) - boffs, fmt, ap);  in trace_vprintf()
187 		boffs += res;  in trace_vprintf()
189 	if (boffs >= (sizeof(buf) - 1))  in trace_vprintf()
190 		boffs = sizeof(buf) - 2;  in trace_vprintf()
192 	buf[boffs] = '\n';  in trace_vprintf()
193 	while (boffs && buf[boffs] == '\n')  in trace_vprintf()
194 		boffs--;  in trace_vprintf()
195 	boffs++;  in trace_vprintf()
196 	buf[boffs + 1] = '\0';  in trace_vprintf()