powerpc/kernel/time.c

170 static unsigned long vtime_delta_scaled(struct cpu_accounting_data *acct,
179 	deltascaled = nowscaled - acct->startspurr;
180 	acct->startspurr = nowscaled;
181 	utime = acct->utime - acct->utime_sspurr;
182 	acct->utime_sspurr = acct->utime;
204 	acct->utime_scaled += utime_scaled;
210 static unsigned long vtime_delta(struct cpu_accounting_data *acct,
219 	stime = now - acct->starttime;
220 	acct->starttime = now;
222 	*stime_scaled = vtime_delta_scaled(acct, now, stime);
233 static void vtime_delta_kernel(struct cpu_accounting_data *acct,
238 	*stime = vtime_delta(acct, stime_scaled, &steal_time);
240 	acct->steal_time += steal_time;
245 	struct cpu_accounting_data *acct = get_accounting(tsk);
248 	vtime_delta_kernel(acct, &stime, &stime_scaled);
251 		acct->gtime += stime;
253 		acct->utime_scaled += stime_scaled;
256 		acct->stime += stime;
258 		acct->stime_scaled += stime_scaled;
267 	struct cpu_accounting_data *acct = get_accounting(tsk);
269 	stime = vtime_delta(acct, &stime_scaled, &steal_time);
270 	acct->idle_time += stime + steal_time;
273 static void vtime_account_irq_field(struct cpu_accounting_data *acct,
278 	vtime_delta_kernel(acct, &stime, &stime_scaled);
281 	acct->stime_scaled += stime_scaled;
287 	struct cpu_accounting_data *acct = get_accounting(tsk);
288 	vtime_account_irq_field(acct, &acct->softirq_time);
293 	struct cpu_accounting_data *acct = get_accounting(tsk);
294 	vtime_account_irq_field(acct, &acct->hardirq_time);
298 			       struct cpu_accounting_data *acct)
301 	if (acct->utime_scaled)
302 		tsk->utimescaled += cputime_to_nsecs(acct->utime_scaled);
303 	if (acct->stime_scaled)
304 		tsk->stimescaled += cputime_to_nsecs(acct->stime_scaled);
306 	acct->utime_scaled = 0;
307 	acct->utime_sspurr = 0;
308 	acct->stime_scaled = 0;
321 	struct cpu_accounting_data *acct = get_accounting(tsk);
323 	if (acct->utime)
324 		account_user_time(tsk, cputime_to_nsecs(acct->utime));
326 	if (acct->gtime)
327 		account_guest_time(tsk, cputime_to_nsecs(acct->gtime));
329 	if (IS_ENABLED(CONFIG_PPC_SPLPAR) && acct->steal_time) {
330 		account_steal_time(cputime_to_nsecs(acct->steal_time));
331 		acct->steal_time = 0;
334 	if (acct->idle_time)
335 		account_idle_time(cputime_to_nsecs(acct->idle_time));
337 	if (acct->stime)
338 		account_system_index_time(tsk, cputime_to_nsecs(acct->stime),
341 	if (acct->hardirq_time)
342 		account_system_index_time(tsk, cputime_to_nsecs(acct->hardirq_time),
344 	if (acct->softirq_time)
345 		account_system_index_time(tsk, cputime_to_nsecs(acct->softirq_time),
348 	vtime_flush_scaled(tsk, acct);
350 	acct->utime = 0;
351 	acct->gtime = 0;
352 	acct->idle_time = 0;
353 	acct->stime = 0;
354 	acct->hardirq_time = 0;
355 	acct->softirq_time = 0;
373 		struct cpu_accounting_data *acct = get_accounting(current);
376 		acct->starttime = acct0->starttime;