Function fail_point_get

freebsd/kern/kern_fail.c:664–755

* Translate internal fail_point structure into human-readable text. */

 * Translate internal fail_point structure into human-readable text.
 */
static void
fail_point_get(struct fail_point *fp, struct sbuf *sb,
        bool verbose)
{
	struct fail_point_entry *ent;
	struct fail_point_setting *fp_setting;
	struct fail_point_entry *fp_entry_cpy;
	int cnt_sleeping;
	int idx;
	int printed_entry_count;

	cnt_sleeping = 0;
	idx = 0;
	printed_entry_count = 0;

	fp_entry_cpy = fp_malloc(sizeof(struct fail_point_entry) *
	        (FP_MAX_ENTRY_COUNT + 1), M_WAITOK);

	fp_setting = fail_point_setting_get_ref(fp);

	if (fp_setting != NULL) {
		TAILQ_FOREACH(ent, &fp_setting->fp_entry_queue, fe_entries) {
			if (ent->fe_stale)
				continue;

			KASSERT(printed_entry_count < FP_MAX_ENTRY_COUNT,
			        ("FP entry list larger than allowed"));

			fp_entry_cpy[printed_entry_count] = *ent;
			++printed_entry_count;
		}
	}
	fail_point_setting_release_ref(fp);

	/* This is our equivalent of a NULL terminator */
	fp_entry_cpy[printed_entry_count].fe_type = FAIL_POINT_INVALID;

	while (idx < printed_entry_count) {
		ent = &fp_entry_cpy[idx];
		++idx;
		if (ent->fe_prob < PROB_MAX) {
			int decimal = ent->fe_prob % (PROB_MAX / 100);
			int units = ent->fe_prob / (PROB_MAX / 100);
			sbuf_printf(sb, "%d", units);
			if (decimal) {
				int digits = PROB_DIGITS - 2;
				while (!(decimal % 10)) {
					digits--;
					decimal /= 10;
				}
				sbuf_printf(sb, ".%0*d", digits, decimal);
			}
			sbuf_printf(sb, "%%");
		}
		if (ent->fe_count >= 0)
			sbuf_printf(sb, "%d*", ent->fe_count);
		sbuf_printf(sb, "%s", fail_type_strings[ent->fe_type].name);
		if (ent->fe_arg)