Index: lib/libpmc/libpmc.c
===================================================================
--- lib/libpmc/libpmc.c
+++ lib/libpmc/libpmc.c
@@ -763,13 +763,20 @@
 static struct pmc_event_alias cortex_a76_aliases[] = {
 	EV_ALIAS(NULL, NULL)
 };
+
 static int
-arm64_allocate_pmc(enum pmc_event pe, char *ctrspec __unused,
-    struct pmc_op_pmcallocate *pmc_config __unused)
+arm64_allocate_pmc(enum pmc_event pe, char *ctrspec,
+    struct pmc_op_pmcallocate *pmc_config)
 {
-	switch (pe) {
-	default:
-		break;
+	char *p;
+
+	while ((p = strsep(&ctrspec, ",")) != NULL) {
+		if (KWMATCH(p, "os"))
+			pmc_config->pm_caps |= PMC_CAP_SYSTEM;
+		else if (KWMATCH(p, "usr"))
+			pmc_config->pm_caps |= PMC_CAP_USER;
+		else
+			return (-1);
 	}
 
 	return (0);
Index: sys/dev/hwpmc/hwpmc_arm64.c
===================================================================
--- sys/dev/hwpmc/hwpmc_arm64.c
+++ sys/dev/hwpmc/hwpmc_arm64.c
@@ -187,6 +187,16 @@
 		if (config > (PMC_EV_ARMV8_LAST - PMC_EV_ARMV8_FIRST))
 			return (EINVAL);
 	}
+
+	switch (a->pm_caps & (PMC_CAP_SYSTEM | PMC_CAP_USER)) {
+	case PMC_CAP_SYSTEM:
+		config |= PMEVTYPER_U;
+		break;
+	case PMC_CAP_USER:
+		config |= PMEVTYPER_P;
+		break;
+	}
+
 	pm->pm_md.pm_arm64.pm_arm64_evsel = config;
 	PMCDBG2(MDP, ALL, 2, "arm64-allocate ri=%d -> config=0x%x", ri, config);