From: Prerna Saxena <pre...@linux.vnet.ibm.com>
Signed-off-by: Prerna Saxena <pre...@linux.vnet.ibm.com>
Signed-off-by: Stefan Hajnoczi <stefa...@linux.vnet.ibm.com>
---
balloon.c | 2 ++
trace-events | 4 ++++
2 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/balloon.c b/balloon.c
index 8e0b7f1..0021fef 100644
--- a/balloon.c
+++ b/balloon.c
@@ -29,6 +29,7 @@
#include "cpu-common.h"
#include "kvm.h"
#include "balloon.h"
+#include "trace.h"
static QEMUBalloonEvent *qemu_balloon_event;
@@ -43,6 +44,7 @@ void qemu_add_balloon_handler(QEMUBalloonEvent *func, void
*opaque)
int qemu_balloon(ram_addr_t target, MonitorCompletion cb, void *opaque)
{
if (qemu_balloon_event) {
+ trace_balloon_event(qemu_balloon_event_opaque, target);
qemu_balloon_event(qemu_balloon_event_opaque, target, cb, opaque);
return 1;
} else {
diff --git a/trace-events b/trace-events
index c1f3e28..eae62da 100644
--- a/trace-events
+++ b/trace-events
@@ -58,3 +58,7 @@ paio_submit(void *acb, void *opaque, unsigned long
sector_num, unsigned long nb_
# ioport.c
cpu_in(unsigned int addr, unsigned int val) "addr %#x value %u"
cpu_out(unsigned int addr, unsigned int val) "addr %#x value %u"
+
+# balloon.c
+# Since requests are raised via monitor, not many tracepoints are needed.
+balloon_event(void *opaque, unsigned long addr) "opaque %p addr %lu"
--
1.7.1
