diff --git a/hw/intc/pnv_xive.c b/hw/intc/pnv_xive.c
index da10dec..520d7e0 100644
--- a/hw/intc/pnv_xive.c
+++ b/hw/intc/pnv_xive.c
@@ -11,6 +11,7 @@
 #include "qemu/log.h"
 #include "qemu/module.h"
 #include "qapi/error.h"
+#include "qapi/type-helpers.h"
 #include "target/ppc/cpu.h"
 #include "sysemu/cpus.h"
 #include "sysemu/dma.h"
@@ -1857,10 +1858,14 @@
     XiveNVT nvt;
     int i;
     uint64_t xive_nvt_per_subpage;
+    g_autoptr(GString) buf = g_string_new("");
+    g_autoptr(HumanReadableText) info = NULL;
 
-    monitor_printf(mon, "XIVE[%x] #%d Source %08x .. %08x\n", chip_id, blk,
-                   srcno0, srcno0 + nr_ipis - 1);
-    xive_source_pic_print_info(&xive->ipi_source, srcno0, mon);
+    g_string_append_printf(buf, "XIVE[%x] #%d Source %08x .. %08x\n",
+                           chip_id, blk, srcno0, srcno0 + nr_ipis - 1);
+    xive_source_pic_print_info(&xive->ipi_source, srcno0, buf);
+    info = human_readable_text_from_str(buf);
+    monitor_puts(mon, info->human_readable_text);
 
     monitor_printf(mon, "XIVE[%x] #%d EAT %08x .. %08x\n", chip_id, blk,
                    srcno0, srcno0 + nr_ipis - 1);
diff --git a/hw/intc/pnv_xive2.c b/hw/intc/pnv_xive2.c
index 4b8d0a5..83e0f6b 100644
--- a/hw/intc/pnv_xive2.c
+++ b/hw/intc/pnv_xive2.c
@@ -10,6 +10,7 @@
 #include "qemu/osdep.h"
 #include "qemu/log.h"
 #include "qapi/error.h"
+#include "qapi/type-helpers.h"
 #include "target/ppc/cpu.h"
 #include "sysemu/cpus.h"
 #include "sysemu/dma.h"
@@ -2116,10 +2117,15 @@
     Xive2Nvp nvp;
     int i;
     uint64_t xive_nvp_per_subpage;
+    g_autoptr(GString) buf = g_string_new("");
+    g_autoptr(HumanReadableText) info = NULL;
 
     monitor_printf(mon, "XIVE[%x] Source %08x .. %08x\n", blk, srcno0,
                    srcno0 + nr_esbs - 1);
-    xive_source_pic_print_info(&xive->ipi_source, srcno0, mon);
+    xive_source_pic_print_info(&xive->ipi_source, srcno0, buf);
+
+    info = human_readable_text_from_str(buf);
+    monitor_puts(mon, info->human_readable_text);
 
     monitor_printf(mon, "XIVE[%x] EAT %08x .. %08x\n", blk, srcno0,
                    srcno0 + nr_esbs - 1);
diff --git a/hw/intc/xive.c b/hw/intc/xive.c
index 260a94e..1adb043 100644
--- a/hw/intc/xive.c
+++ b/hw/intc/xive.c
@@ -1209,22 +1209,20 @@
     }
 }
 
-void xive_source_pic_print_info(XiveSource *xsrc, uint32_t offset, Monitor *mon)
+void xive_source_pic_print_info(XiveSource *xsrc, uint32_t offset, GString *buf)
 {
-    int i;
-
-    for (i = 0; i < xsrc->nr_irqs; i++) {
+    for (unsigned i = 0; i < xsrc->nr_irqs; i++) {
         uint8_t pq = xive_source_esb_get(xsrc, i);
 
         if (pq == XIVE_ESB_OFF) {
             continue;
         }
 
-        monitor_printf(mon, "  %08x %s %c%c%c\n", i + offset,
-                       xive_source_irq_is_lsi(xsrc, i) ? "LSI" : "MSI",
-                       pq & XIVE_ESB_VAL_P ? 'P' : '-',
-                       pq & XIVE_ESB_VAL_Q ? 'Q' : '-',
-                       xive_source_is_asserted(xsrc, i) ? 'A' : ' ');
+        g_string_append_printf(buf, "  %08x %s %c%c%c\n", i + offset,
+                               xive_source_irq_is_lsi(xsrc, i) ? "LSI" : "MSI",
+                               pq & XIVE_ESB_VAL_P ? 'P' : '-',
+                               pq & XIVE_ESB_VAL_Q ? 'Q' : '-',
+                               xive_source_is_asserted(xsrc, i) ? 'A' : ' ');
     }
 }
 
diff --git a/hw/pci-host/pnv_phb4.c b/hw/pci-host/pnv_phb4.c
index 075499d..4b45399 100644
--- a/hw/pci-host/pnv_phb4.c
+++ b/hw/pci-host/pnv_phb4.c
@@ -10,6 +10,7 @@
 #include "qemu/log.h"
 #include "qapi/visitor.h"
 #include "qapi/error.h"
+#include "qapi/type-helpers.h"
 #include "monitor/monitor.h"
 #include "target/ppc/cpu.h"
 #include "hw/pci-host/pnv_phb4_regs.h"
@@ -1807,11 +1808,18 @@
         phb->regs[PHB_INT_NOTIFY_ADDR >> 3] & ~PHB_INT_NOTIFY_ADDR_64K;
     uint32_t offset = phb->regs[PHB_INT_NOTIFY_INDEX >> 3];
     bool abt = !!(phb->regs[PHB_CTRLR >> 3] & PHB_CTRLR_IRQ_ABT_MODE);
+    g_autoptr(GString) buf = g_string_new("");
+    g_autoptr(HumanReadableText) info = NULL;
 
-    monitor_printf(mon, "PHB4[%x:%x] Source %08x .. %08x %s @%"HWADDR_PRIx"\n",
-                   phb->chip_id, phb->phb_id,
-                   offset, offset + phb->xsrc.nr_irqs - 1,
-                   abt ? "ABT" : "",
-                   notif_port);
-    xive_source_pic_print_info(&phb->xsrc, 0, mon);
+    g_string_append_printf(buf,
+                           "PHB4[%x:%x] Source %08x .. %08x "
+                           "%s @%"HWADDR_PRIx"\n",
+                           phb->chip_id, phb->phb_id,
+                           offset, offset + phb->xsrc.nr_irqs - 1,
+                           abt ? "ABT" : "",
+                           notif_port);
+    xive_source_pic_print_info(&phb->xsrc, 0, buf);
+
+    info = human_readable_text_from_str(buf);
+    monitor_puts(mon, info->human_readable_text);
 }
diff --git a/hw/ppc/pnv_psi.c b/hw/ppc/pnv_psi.c
index 26460d2..922ac07 100644
--- a/hw/ppc/pnv_psi.c
+++ b/hw/ppc/pnv_psi.c
@@ -25,6 +25,7 @@
 #include "qemu/module.h"
 #include "sysemu/reset.h"
 #include "qapi/error.h"
+#include "qapi/type-helpers.h"
 #include "monitor/monitor.h"
 
 
@@ -980,11 +981,16 @@
 void pnv_psi_pic_print_info(Pnv9Psi *psi9, Monitor *mon)
 {
     PnvPsi *psi = PNV_PSI(psi9);
+    g_autoptr(GString) buf = g_string_new("");
+    g_autoptr(HumanReadableText) info = NULL;
 
     uint32_t offset =
         (psi->regs[PSIHB_REG(PSIHB9_IVT_OFFSET)] >> PSIHB9_IVT_OFF_SHIFT);
 
-    monitor_printf(mon, "PSIHB Source %08x .. %08x\n",
-                  offset, offset + psi9->source.nr_irqs - 1);
-    xive_source_pic_print_info(&psi9->source, offset, mon);
+    g_string_append_printf(buf, "PSIHB Source %08x .. %08x\n",
+                           offset, offset + psi9->source.nr_irqs - 1);
+    xive_source_pic_print_info(&psi9->source, offset, buf);
+
+    info = human_readable_text_from_str(buf);
+    monitor_puts(mon, info->human_readable_text);
 }
diff --git a/include/hw/ppc/xive.h b/include/hw/ppc/xive.h
index bc1cbad..28c181f 100644
--- a/include/hw/ppc/xive.h
+++ b/include/hw/ppc/xive.h
@@ -314,7 +314,7 @@
 }
 
 void xive_source_pic_print_info(XiveSource *xsrc, uint32_t offset,
-                                Monitor *mon);
+                                GString *buf);
 
 static inline bool xive_source_irq_is_lsi(XiveSource *xsrc, uint32_t srcno)
 {