[Qemu-devel] [PATCH 6/9] hw/misc/empty_slot: Convert debug printf()s to trace events

["Philippe Mathieu-Daudé" <f4bug@amsat.org>]

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
---
 hw/misc/empty_slot.c | 19 ++++++++-----------
 hw/misc/trace-events |  4 ++++
 2 files changed, 12 insertions(+), 11 deletions(-)

diff --git a/hw/misc/empty_slot.c b/hw/misc/empty_slot.c
index c32241a9e5..b810655554 100644
--- a/hw/misc/empty_slot.c
+++ b/hw/misc/empty_slot.c
@@ -15,15 +15,7 @@
 #include "hw/sysbus.h"
 #include "qemu/module.h"
 #include "hw/misc/empty_slot.h"
-
-//#define DEBUG_EMPTY_SLOT
-
-#ifdef DEBUG_EMPTY_SLOT
-#define DPRINTF(fmt, ...)                                       \
-    do { printf("empty_slot: " fmt , ## __VA_ARGS__); } while (0)
-#else
-#define DPRINTF(fmt, ...) do {} while (0)
-#endif
+#include "trace.h"
 
 #define TYPE_EMPTY_SLOT "empty_slot"
 #define EMPTY_SLOT(obj) OBJECT_CHECK(EmptySlot, (obj), TYPE_EMPTY_SLOT)
@@ -39,14 +31,19 @@ typedef struct EmptySlot {
 static uint64_t empty_slot_read(void *opaque, hwaddr addr,
                                 unsigned size)
 {
-    DPRINTF("read from " TARGET_FMT_plx "\n", addr);
+    EmptySlot *s = EMPTY_SLOT(opaque);
+
+    trace_empty_slot_write(addr, size << 1, 0, size, s->name);
+
     return 0;
 }
 
 static void empty_slot_write(void *opaque, hwaddr addr,
                              uint64_t val, unsigned size)
 {
-    DPRINTF("write 0x%x to " TARGET_FMT_plx "\n", (unsigned)val, addr);
+    EmptySlot *s = EMPTY_SLOT(opaque);
+
+    trace_empty_slot_write(addr, size << 1, val, size, s->name);
 }
 
 static const MemoryRegionOps empty_slot_ops = {
diff --git a/hw/misc/trace-events b/hw/misc/trace-events
index 47e1bccf71..b81135ab1e 100644
--- a/hw/misc/trace-events
+++ b/hw/misc/trace-events
@@ -1,5 +1,9 @@
 # See docs/devel/tracing.txt for syntax documentation.
 
+# empty_slot.c
+empty_slot_read(uint64_t addr, unsigned width, uint64_t value, unsigned size, const char *name) "rd addr:0x%04"PRIx64" data:0x%0*"PRIx64" size %u [%s]"
+empty_slot_write(uint64_t addr, unsigned width, uint64_t value, unsigned size, const char *name) "wr addr:0x%04"PRIx64" data:0x%0*"PRIx64" size %u [%s]"
+
 # eccmemctl.c
 ecc_mem_writel_mer(uint32_t val) "Write memory enable 0x%08x"
 ecc_mem_writel_mdr(uint32_t val) "Write memory delay 0x%08x"
-- 
2.19.1