[Qemu-devel] [PATCH 1/3] acpi/piix4: Convert debug printf()s to trace events

[Markus Armbruster]

Signed-off-by: Markus Armbruster <address@hidden>
---
 hw/acpi/piix4.c      | 14 +++-----------
 hw/acpi/trace-events |  4 ++++
 2 files changed, 7 insertions(+), 11 deletions(-)

diff --git a/hw/acpi/piix4.c b/hw/acpi/piix4.c
index 9c079d6834..546ba036ed 100644
--- a/hw/acpi/piix4.c
+++ b/hw/acpi/piix4.c
@@ -39,14 +39,7 @@
 #include "hw/acpi/acpi_dev_interface.h"
 #include "hw/xen/xen.h"
 #include "qom/cpu.h"
-
-//#define DEBUG
-
-#ifdef DEBUG
-# define PIIX4_DPRINTF(format, ...)     printf(format, ## __VA_ARGS__)
-#else
-# define PIIX4_DPRINTF(format, ...)     do { } while (0)
-#endif
+#include "trace.h"
 
 #define GPE_BASE 0xafe0
 #define GPE_LEN 4
@@ -596,7 +589,7 @@ static uint64_t gpe_readb(void *opaque, hwaddr addr, 
unsigned width)
     PIIX4PMState *s = opaque;
     uint32_t val = acpi_gpe_ioport_readb(&s->ar, addr);
 
-    PIIX4_DPRINTF("gpe read %" HWADDR_PRIx " == %" PRIu32 "\n", addr, val);
+    trace_piix4_gpe_readb(addr, width, val);
     return val;
 }
 
@@ -605,10 +598,9 @@ static void gpe_writeb(void *opaque, hwaddr addr, uint64_t 
val,
 {
     PIIX4PMState *s = opaque;
 
+    trace_piix4_gpe_writeb(addr, width, val);
     acpi_gpe_ioport_writeb(&s->ar, addr, val);
     acpi_update_sci(&s->ar, s->irq);
-
-    PIIX4_DPRINTF("gpe write %" HWADDR_PRIx " <== %" PRIu64 "\n", addr, val);
 }
 
 static const MemoryRegionOps piix4_gpe_ops = {
diff --git a/hw/acpi/trace-events b/hw/acpi/trace-events
index 6272d8a9e7..825b25cbb0 100644
--- a/hw/acpi/trace-events
+++ b/hw/acpi/trace-events
@@ -31,6 +31,10 @@ cpuhp_acpi_ejecting_cpu(uint32_t idx) "0x%"PRIx32
 cpuhp_acpi_write_ost_ev(uint32_t slot, uint32_t ev) "idx[0x%"PRIx32"] OST 
EVENT: 0x%"PRIx32
 cpuhp_acpi_write_ost_status(uint32_t slot, uint32_t st) "idx[0x%"PRIx32"] OST 
STATUS: 0x%"PRIx32
 
+# piix4.c
+piix4_gpe_readb(uint64_t addr, unsigned width, uint64_t val) "addr: 0x%" 
PRIx64 " width: %d ==> 0x%" PRIx64
+piix4_gpe_writeb(uint64_t addr, unsigned width, uint64_t val) "addr: 0x%" 
PRIx64 " width: %d <== 0x%" PRIx64
+
 # tco.c
 tco_timer_reload(int ticks, int msec) "ticks=%d (%d ms)"
 tco_timer_expired(int timeouts_no, bool strap, bool no_reboot) "timeouts_no=%d 
no_reboot=%d/%d"
-- 
2.17.2