[Qemu-devel] [RFC PATCH 04/11] qdev-monitor: print the device's clock with info qtree

[fred.konrad@greensocs.com]

From: KONRAD Frederic <fred.konrad@greensocs.com>

This prints the clock attached to a DeviceState when using "info qtree" monitor
command.

Signed-off-by: KONRAD Frederic <fred.konrad@greensocs.com>
---
 include/qemu/qemu-clock.h |  9 +++++++++
 qdev-monitor.c            |  2 ++
 qemu-clock.c              | 28 ++++++++++++++++++++++++++++
 3 files changed, 39 insertions(+)

diff --git a/include/qemu/qemu-clock.h b/include/qemu/qemu-clock.h
index 677de9a..265ec65 100644
--- a/include/qemu/qemu-clock.h
+++ b/include/qemu/qemu-clock.h
@@ -124,4 +124,13 @@ void qemu_clk_set_callback(qemu_clk clk,
                            qemu_clk_on_rate_update_cb cb,
                            void *opaque);
 
+/**
+ * qemu_clk_print:
+ * @dev: the device for which the clock need to be printed.
+ *
+ * Print the clock information for a given device.
+ *
+ */
+void qemu_clk_print(Monitor *mon, DeviceState *dev, int indent);
+
 #endif /* QEMU_CLOCK_H */
diff --git a/qdev-monitor.c b/qdev-monitor.c
index e19617f..d6d1aa4 100644
--- a/qdev-monitor.c
+++ b/qdev-monitor.c
@@ -28,6 +28,7 @@
 #include "qemu/config-file.h"
 #include "qemu/error-report.h"
 #include "qemu/help_option.h"
+#include "qemu/qemu-clock.h"
 
 /*
  * Aliases were a bad idea from the start.  Let's keep them
@@ -684,6 +685,7 @@ static void qdev_print(Monitor *mon, DeviceState *dev, int indent)
                         ngl->num_out);
         }
     }
+    qemu_clk_print(mon, dev, indent);
     class = object_get_class(OBJECT(dev));
     do {
         qdev_print_props(mon, dev, DEVICE_CLASS(class)->props, indent);
diff --git a/qemu-clock.c b/qemu-clock.c
index 811d6a0..378a14d 100644
--- a/qemu-clock.c
+++ b/qemu-clock.c
@@ -24,6 +24,7 @@
 #include "qemu/qemu-clock.h"
 #include "hw/hw.h"
 #include "qapi/error.h"
+#include "monitor/monitor.h"
 
 /* #define DEBUG_QEMU_CLOCK */
 
@@ -111,6 +112,33 @@ qemu_clk qemu_clk_get_pin(DeviceState *d, const char *name)
     return QEMU_CLOCK(clk);
 }
 
+struct print_opaque {
+    Monitor *mon;
+    int indent;
+};
+
+static int qemu_clk_print_rec(Object *obj, void *opaque)
+{
+    qemu_clk clk = (qemu_clk)(object_dynamic_cast(obj, TYPE_CLOCK));
+    struct print_opaque *po = opaque;
+
+    if (clk) {
+        monitor_printf(po->mon, "%*s" "qemu-clk \"%s\" %.1f\n", po->indent,
+                       " ", clk->name, clk->out_rate);
+    }
+
+    return 0;
+}
+
+void qemu_clk_print(Monitor *mon, DeviceState *dev, int indent)
+{
+    struct print_opaque po;
+
+    po.indent = indent;
+    po.mon = mon;
+    object_child_foreach(OBJECT(dev), qemu_clk_print_rec, &po);
+}
+
 static const TypeInfo qemu_clk_info = {
     .name          = TYPE_CLOCK,
     .parent        = TYPE_OBJECT,
-- 
2.5.5