stat/common/walkers.c

40 cpu_walk(struct snapshot *old, struct snapshot *new,
50 		if (old)
51 			cpu = &old->s_cpus[i];
73 pset_walk(struct snapshot *old, struct snapshot *new,
80 	while (old && i < old->s_nr_psets && j < new->s_nr_psets) {
81 		if (old->s_psets[i].ps_id < new->s_psets[j].ps_id) {
82 			cb(&old->s_psets[i], NULL, data);
85 		} else if (old->s_psets[i].ps_id > new->s_psets[j].ps_id) {
90 			cb(&old->s_psets[i], &new->s_psets[j], data);
96 	while (old && i < old->s_nr_psets) {
97 		cb(&old->s_psets[i], NULL, data);
155 snapshot_walk(enum snapshot_types type, struct snapshot *old,
162 		changed = cpu_walk(old, new, cb, data);
166 		changed = pset_walk(old, new, cb, data);
173 		changed = iodev_walk(old ? old->s_iodevs : NULL,
332 snapshot_report_changes(struct snapshot *old, struct snapshot *new)
336 	if (old == NULL || new == NULL)
339 	if (old->s_types != new->s_types)
342 	pset = old->s_types & SNAP_PSETS;
347 	if (old->s_types & SNAP_CPUS)
348 		(void) snapshot_walk(SNAP_CPUS, old, new, cpu_report, &pset);
359 		(void) snapshot_walk(SNAP_PSETS, old, new,
363 	iodev_report(old->s_iodevs, new->s_iodevs);
373 snapshot_has_changed(struct snapshot *old, struct snapshot *new)
380 	if (old == NULL)
386 	if (old->s_types != new->s_types)
389 	if (!ret && (old->s_types & cpu_mask))
390 		ret = snapshot_walk(SNAP_CPUS, old, new, dummy_cb, NULL);
391 	if (!ret && (old->s_types & SNAP_PSETS))
392 		ret = snapshot_walk(SNAP_PSETS, old, new, dummy_cb, NULL);
393 	if (!ret && (old->s_types & iodev_mask))
394 		ret = snapshot_walk(SNAP_IODEVS, old, new, dummy_cb, NULL);