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trace: Trace entry point of balloon request handler

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Signed-off-by: Prerna Saxena <prerna@linux.vnet.ibm.com>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
This commit is contained in:
Prerna Saxena 2010-08-11 17:16:03 +05:30 committed by Anthony Liguori
parent bd3c9aa531
commit 62dd89dea2
2 changed files with 6 additions and 0 deletions
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2
balloon.c
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@ -29,6 +29,7 @@
#include "cpu-common.h" #include "cpu-common.h"
#include "kvm.h" #include "kvm.h"
#include "balloon.h" #include "balloon.h"
#include "trace.h"
static QEMUBalloonEvent *qemu_balloon_event; 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) int qemu_balloon(ram_addr_t target, MonitorCompletion cb, void *opaque)
{ {
if (qemu_balloon_event) { if (qemu_balloon_event) {
trace_balloon_event(qemu_balloon_event_opaque, target);
qemu_balloon_event(qemu_balloon_event_opaque, target, cb, opaque); qemu_balloon_event(qemu_balloon_event_opaque, target, cb, opaque);
return 1; return 1;
} else { } else {

4
trace-events
View File

@ -63,3 +63,7 @@ disable paio_submit(void *acb, void *opaque, unsigned long sector_num, unsigned
# ioport.c # ioport.c
disable cpu_in(unsigned int addr, unsigned int val) "addr %#x value %u" disable cpu_in(unsigned int addr, unsigned int val) "addr %#x value %u"
disable cpu_out(unsigned int addr, unsigned int val) "addr %#x value %u" disable 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.
disable balloon_event(void *opaque, unsigned long addr) "opaque %p addr %lu"