summary refs log tree commit diff stats
path: root/hw/mem/memory-device.c
diff options
context:
space:
mode:
authorDavid Hildenbrand <david@redhat.com>2018-10-05 11:20:24 +0200
committerEduardo Habkost <ehabkost@redhat.com>2018-10-24 06:44:59 -0300
commit005feccf626ad2078e27d831173c88f29832d99e (patch)
tree34ffb74f71610c7f047bad9c4280eea284c954c1 /hw/mem/memory-device.c
parent8288590d230c31e891965c30fa579ba3ac0f4c80 (diff)
downloadfocaccia-qemu-005feccf626ad2078e27d831173c88f29832d99e.tar.gz
focaccia-qemu-005feccf626ad2078e27d831173c88f29832d99e.zip
memory-device: trace when pre_plugging/plugging/unplugging
Let's trace the address and the id of a memory device when
pre_plugging/plugging/unplugging succeeded.

Trace it when pre_plugging as well as when plugging, so we really know
when a specific address is actually used.

Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20181005092024.14344-17-david@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Diffstat (limited to 'hw/mem/memory-device.c')
-rw-r--r--hw/mem/memory-device.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/hw/mem/memory-device.c b/hw/mem/memory-device.c
index 30585d6148..7de1ccd497 100644
--- a/hw/mem/memory-device.c
+++ b/hw/mem/memory-device.c
@@ -17,6 +17,7 @@
 #include "qemu/range.h"
 #include "hw/virtio/vhost.h"
 #include "sysemu/kvm.h"
+#include "trace.h"
 
 static gint memory_device_addr_sort(gconstpointer a, gconstpointer b)
 {
@@ -269,6 +270,10 @@ void memory_device_pre_plug(MemoryDeviceState *md, MachineState *ms,
         goto out;
     }
     mdc->set_addr(md, addr, &local_err);
+    if (!local_err) {
+        trace_memory_device_pre_plug(DEVICE(md)->id ? DEVICE(md)->id : "",
+                                     addr);
+    }
 out:
     error_propagate(errp, local_err);
 }
@@ -288,6 +293,7 @@ void memory_device_plug(MemoryDeviceState *md, MachineState *ms)
 
     memory_region_add_subregion(&ms->device_memory->mr,
                                 addr - ms->device_memory->base, mr);
+    trace_memory_device_plug(DEVICE(md)->id ? DEVICE(md)->id : "", addr);
 }
 
 void memory_device_unplug(MemoryDeviceState *md, MachineState *ms)
@@ -303,6 +309,8 @@ void memory_device_unplug(MemoryDeviceState *md, MachineState *ms)
     g_assert(ms->device_memory);
 
     memory_region_del_subregion(&ms->device_memory->mr, mr);
+    trace_memory_device_unplug(DEVICE(md)->id ? DEVICE(md)->id : "",
+                               mdc->get_addr(md));
 }
 
 uint64_t memory_device_get_region_size(const MemoryDeviceState *md,