hw/char/serial: Convert from DPRINTF macro to trace events

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
qemu · Jun 29, 2018 · 0060918 · 0060918
1 parent dcfebcf
commit 0060918
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Showing 2 changed files with 7 additions and 2 deletions.
diff --git a/hw/char/serial.c b/hw/char/serial.c
@@ -29,6 +29,7 @@
 #include "qapi/error.h"
 #include "qemu/timer.h"
 #include "qemu/error-report.h"
+#include "trace.h"
 
 //#define DEBUG_SERIAL
 
@@ -335,7 +336,7 @@ static void serial_ioport_write(void *opaque, hwaddr addr, uint64_t val,
     SerialState *s = opaque;
 
     addr &= 7;
-    DPRINTF("write addr=0x%" HWADDR_PRIx " val=0x%" PRIx64 "\n", addr, val);
+    trace_serial_ioport_write(addr, val);
     switch(addr) {
     default:
     case 0:
@@ -548,7 +549,7 @@ static uint64_t serial_ioport_read(void *opaque, hwaddr addr, unsigned size)
         ret = s->scr;
         break;
     }
-    DPRINTF("read addr=0x%" HWADDR_PRIx " val=0x%02x\n", addr, ret);
+    trace_serial_ioport_read(addr, ret);
     return ret;
 }
 

diff --git a/hw/char/trace-events b/hw/char/trace-events
@@ -1,5 +1,9 @@
 # See docs/devel/tracing.txt for syntax documentation.
 
+# hw/char/serial.c
+serial_ioport_read(uint16_t addr, uint8_t value) "read addr 0x%02x val 0x%02x"
+serial_ioport_write(uint16_t addr, uint8_t value) "write addr 0x%02x val 0x%02x"
+
 # hw/char/virtio-serial-bus.c
 virtio_serial_send_control_event(unsigned int port, uint16_t event, uint16_t value) "port %u, event %u, value %u"
 virtio_serial_throttle_port(unsigned int port, bool throttle) "port %u, throttle %d"