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-rw-r--r--hw/virtio-console.c9
-rw-r--r--trace-events5
2 files changed, 13 insertions, 1 deletions
diff --git a/hw/virtio-console.c b/hw/virtio-console.c
index b076331d37..713a761dfa 100644
--- a/hw/virtio-console.c
+++ b/hw/virtio-console.c
@@ -12,6 +12,7 @@
#include "qemu-char.h"
#include "qemu-error.h"
+#include "trace.h"
#include "virtio-serial.h"
typedef struct VirtConsole {
@@ -24,8 +25,12 @@ typedef struct VirtConsole {
static ssize_t flush_buf(VirtIOSerialPort *port, const uint8_t *buf, size_t len)
{
VirtConsole *vcon = DO_UPCAST(VirtConsole, port, port);
+ ssize_t ret;
- return qemu_chr_write(vcon->chr, buf, len);
+ ret = qemu_chr_write(vcon->chr, buf, len);
+
+ trace_virtio_console_flush_buf(port->id, len, ret);
+ return ret;
}
/* Callback function that's called when the guest opens the port */
@@ -57,6 +62,7 @@ static void chr_read(void *opaque, const uint8_t *buf, int size)
{
VirtConsole *vcon = opaque;
+ trace_virtio_console_chr_read(vcon->port.id, size);
virtio_serial_write(&vcon->port, buf, size);
}
@@ -64,6 +70,7 @@ static void chr_event(void *opaque, int event)
{
VirtConsole *vcon = opaque;
+ trace_virtio_console_chr_event(vcon->port.id, event);
switch (event) {
case CHR_EVENT_OPENED:
virtio_serial_open(&vcon->port);
diff --git a/trace-events b/trace-events
index 59420e8a6e..765a15ed77 100644
--- a/trace-events
+++ b/trace-events
@@ -52,6 +52,11 @@ disable virtio_serial_throttle_port(unsigned int port, bool throttle) "port %u,
disable virtio_serial_handle_control_message(uint16_t event, uint16_t value) "event %u, value %u"
disable virtio_serial_handle_control_message_port(unsigned int port) "port %u"
+# hw/virtio-console.c
+disable virtio_console_flush_buf(unsigned int port, size_t len, ssize_t ret) "port %u, in_len %zu, out_len %zd"
+disable virtio_console_chr_read(unsigned int port, int size) "port %u, size %d"
+disable virtio_console_chr_event(unsigned int port, int event) "port %u, event %d"
+
# block.c
disable multiwrite_cb(void *mcb, int ret) "mcb %p ret %d"
disable bdrv_aio_multiwrite(void *mcb, int num_callbacks, int num_reqs) "mcb %p num_callbacks %d num_reqs %d"