diff --git a/cpu-exec.c b/cpu-exec.c
index 3c14502..cbc8067 100644
--- a/cpu-exec.c
+++ b/cpu-exec.c
@@ -105,6 +105,12 @@
                    sc->realtime_clock +
                    cpu_get_clock_offset();
     sc->last_cpu_icount = cpu->icount_extra + cpu->icount_decr.u16.low;
+    if (sc->diff_clk < max_delay) {
+        max_delay = sc->diff_clk;
+    }
+    if (sc->diff_clk > max_advance) {
+        max_advance = sc->diff_clk;
+    }
 
     /* Print every 2s max if the guest is late. We limit the number
        of printed messages to NB_PRINT_MAX(currently 100) */
diff --git a/cpus.c b/cpus.c
index 19245e9..2b5c0bd 100644
--- a/cpus.c
+++ b/cpus.c
@@ -64,6 +64,8 @@
 #endif /* CONFIG_LINUX */
 
 static CPUState *next_cpu;
+int64_t max_delay;
+int64_t max_advance;
 
 bool cpu_is_stopped(CPUState *cpu)
 {
@@ -1552,3 +1554,20 @@
     error_set(errp, QERR_UNSUPPORTED);
 #endif
 }
+
+void dump_drift_info(FILE *f, fprintf_function cpu_fprintf)
+{
+    if (!use_icount) {
+        return;
+    }
+
+    cpu_fprintf(f, "Host - Guest clock  %"PRIi64" ms\n",
+                (cpu_get_clock() - cpu_get_icount())/SCALE_MS);
+    if (icount_align_option) {
+        cpu_fprintf(f, "Max guest delay     %"PRIi64" ms\n", -max_delay/SCALE_MS);
+        cpu_fprintf(f, "Max guest advance   %"PRIi64" ms\n", max_advance/SCALE_MS);
+    } else {
+        cpu_fprintf(f, "Max guest delay     NA\n");
+        cpu_fprintf(f, "Max guest advance   NA\n");
+    }
+}
diff --git a/include/qemu-common.h b/include/qemu-common.h
index 5d10ac2..bcf7a6a 100644
--- a/include/qemu-common.h
+++ b/include/qemu-common.h
@@ -109,6 +109,10 @@
 void configure_icount(QemuOpts *opts, Error **errp);
 extern int use_icount;
 extern int icount_align_option;
+/* drift information for info jit command */
+extern int64_t max_delay;
+extern int64_t max_advance;
+void dump_drift_info(FILE *f, fprintf_function cpu_fprintf);
 
 #include "qemu/osdep.h"
 #include "qemu/bswap.h"
diff --git a/monitor.c b/monitor.c
index 5bc70a6..cdbaa60 100644
--- a/monitor.c
+++ b/monitor.c
@@ -1047,6 +1047,7 @@
 static void do_info_jit(Monitor *mon, const QDict *qdict)
 {
     dump_exec_info((FILE *)mon, monitor_fprintf);
+    dump_drift_info((FILE *)mon, monitor_fprintf);
 }
 
 static void do_info_history(Monitor *mon, const QDict *qdict)