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[Qemu-devel] [Tracing][PATCH 2/2] More Trace events
From: |
Prerna Saxena |
Subject: |
[Qemu-devel] [Tracing][PATCH 2/2] More Trace events |
Date: |
Wed, 11 Aug 2010 17:16:03 +0530 |
[PATCH 2/2] Trace event for tracking entry point of balloon request handler.
Signed-off-by: Prerna Saxena <address@hidden>
---
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 7dbd08f..d0d9f50 100644
--- a/trace-events
+++ b/trace-events
@@ -63,3 +63,7 @@ paio_submit(void *acb, void *opaque, unsigned long
sector_num, unsigned long nb_
# ioport.c
cpu_in(unsigned int addr, unsigned int val) "addr %u value %u"
cpu_out(unsigned int addr, unsigned int val) "addr %u 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"
--
1.6.2.5
--
Prerna Saxena
Linux Technology Centre,
IBM Systems and Technology Lab,
Bangalore, India