Index: sys/dev/acpi/acpitz.c
===================================================================
RCS file: /home/cvs/src/sys/dev/acpi/acpitz.c,v
retrieving revision 1.58
diff -u -p -r1.58 acpitz.c
--- sys/dev/acpi/acpitz.c	6 Apr 2022 18:59:27 -0000	1.58
+++ sys/dev/acpi/acpitz.c	27 Jun 2022 07:55:48 -0000
@@ -224,6 +224,12 @@ acpitz_attach(struct device *parent, str
 	else
 		printf(": critical temperature is %d degC\n", KTOC(sc->sc_crt));
 
+	if ((sc->sc_psv = acpitz_gettempreading(sc, "_PSV")) == -1)
+		printf("  `--> no cpu throttle point defined\n");
+	else
+		printf("  `--> throttle cpu at %d degC\n", KTOC(sc->sc_psv));
+
+
 	sc->sc_hot = acpitz_gettempreading(sc, "_HOT");
 	sc->sc_tc1 = acpitz_getreading(sc, "_TC1");
 	sc->sc_tc2 = acpitz_getreading(sc, "_TC2");
@@ -383,8 +389,8 @@ acpitz_refresh(void *arg)
 		nperf = acpitz_perflevel;
 		if (sc->sc_psv <= sc->sc_tmp) {
 			/* Passive cooling enabled */
-			dnprintf(1, "%s: enabling passive %d %d\n",
-			    DEVNAME(sc), sc->sc_tmp, sc->sc_psv);
+			printf("%s: enabling passive %d degC >= %d degC\n",
+			    DEVNAME(sc), KTOC(sc->sc_tmp), KTOC(sc->sc_psv));
 			if (!sc->sc_pse)
 				sc->sc_acpi->sc_pse++;
 			sc->sc_pse = 1;
@@ -400,8 +406,8 @@ acpitz_refresh(void *arg)
 		}
 		else {
 			/* Passive cooling disabled, increase % */
-			dnprintf(1, "%s: disabling passive %d %d\n",
-			    DEVNAME(sc), sc->sc_tmp, sc->sc_psv);
+			printf("%s: disabling passive %d degC < %d degC\n",
+			    DEVNAME(sc), KTOC(sc->sc_tmp), KTOC(sc->sc_psv));
 			if (sc->sc_pse)
 				sc->sc_acpi->sc_pse--;
 			sc->sc_pse = 0;
@@ -421,6 +427,7 @@ acpitz_refresh(void *arg)
 			acpitz_perflevel = nperf;
 			acpitz_cpu_setperf(nperf);
 		}
+		printf("Perflevel at %d\n", nperf);
 	}
 	sc->sc_lasttmp = sc->sc_tmp;