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[Qemu-devel] [Tracing] More Trace events
From: |
Prerna Saxena |
Subject: |
[Qemu-devel] [Tracing] More Trace events |
Date: |
Wed, 11 Aug 2010 13:55:02 +0530 |
This patch adds few more trace events for tracking IO and also to trace
balloon event flagged via the monitor.
Signed-off-by: Prerna Saxena <address@hidden>
---
balloon.c | 2 ++
ioport.c | 7 +++++++
trace-events | 8 ++++++++
3 files changed, 17 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/ioport.c b/ioport.c
index 53dd87a..ec3dc65 100644
--- a/ioport.c
+++ b/ioport.c
@@ -26,6 +26,7 @@
*/
#include "ioport.h"
+#include "trace.h"
/***********************************************************/
/* IO Port */
@@ -195,18 +196,21 @@ void isa_unassign_ioport(pio_addr_t start, int length)
void cpu_outb(pio_addr_t addr, uint8_t val)
{
LOG_IOPORT("outb: %04"FMT_pioaddr" %02"PRIx8"\n", addr, val);
+ trace_cpu_out(addr, val);
ioport_write(0, addr, val);
}
void cpu_outw(pio_addr_t addr, uint16_t val)
{
LOG_IOPORT("outw: %04"FMT_pioaddr" %04"PRIx16"\n", addr, val);
+ trace_cpu_out(addr, val);
ioport_write(1, addr, val);
}
void cpu_outl(pio_addr_t addr, uint32_t val)
{
LOG_IOPORT("outl: %04"FMT_pioaddr" %08"PRIx32"\n", addr, val);
+ trace_cpu_out(addr, val);
ioport_write(2, addr, val);
}
@@ -214,6 +218,7 @@ uint8_t cpu_inb(pio_addr_t addr)
{
uint8_t val;
val = ioport_read(0, addr);
+ trace_cpu_in(addr, val);
LOG_IOPORT("inb : %04"FMT_pioaddr" %02"PRIx8"\n", addr, val);
return val;
}
@@ -222,6 +227,7 @@ uint16_t cpu_inw(pio_addr_t addr)
{
uint16_t val;
val = ioport_read(1, addr);
+ trace_cpu_in(addr, val);
LOG_IOPORT("inw : %04"FMT_pioaddr" %04"PRIx16"\n", addr, val);
return val;
}
@@ -230,6 +236,7 @@ uint32_t cpu_inl(pio_addr_t addr)
{
uint32_t val;
val = ioport_read(2, addr);
+ trace_cpu_in(addr, val);
LOG_IOPORT("inl : %04"FMT_pioaddr" %08"PRIx32"\n", addr, val);
return val;
}
diff --git a/trace-events b/trace-events
index 80197b6..cade0b5 100644
--- a/trace-events
+++ b/trace-events
@@ -59,3 +59,11 @@ virtio_blk_handle_write(void *req, unsigned long sector,
unsigned long nsectors)
# posix-aio-compat.c
paio_submit(void *acb, void *opaque, unsigned long sector_num, unsigned long
nb_sectors, unsigned long type) "acb %p opaque %p sector_num %lu nb_sectors %lu
type %lu"
+
+# 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
- [Qemu-devel] [Tracing] More Trace events,
Prerna Saxena <=