[PULL 15/19] hw/i2c/aspeed: rework raise interrupt trace event

[Cédric Le Goater]

From: Klaus Jensen <k.jensen@samsung.com>

Build a single string instead of having several parameters on the trace
event.

Suggested-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
[ clg: simplified trace buffer creation ]
Message-Id: <20220601210831.67259-2-its@irrelevant.dk>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
---
 hw/i2c/aspeed_i2c.c | 34 ++++++++++++++++++++++------------
 hw/i2c/trace-events |  2 +-
 2 files changed, 23 insertions(+), 13 deletions(-)

diff --git a/hw/i2c/aspeed_i2c.c b/hw/i2c/aspeed_i2c.c
index 4c798b70e4c3..43ac9491ec36 100644
--- a/hw/i2c/aspeed_i2c.c
+++ b/hw/i2c/aspeed_i2c.c
@@ -21,6 +21,7 @@
 #include "qemu/osdep.h"
 #include "hw/sysbus.h"
 #include "migration/vmstate.h"
+#include "qemu/cutils.h"
 #include "qemu/log.h"
 #include "qemu/module.h"
 #include "qemu/error-report.h"
@@ -38,23 +39,32 @@ static inline void 
aspeed_i2c_bus_raise_interrupt(AspeedI2CBus *bus)
     uint32_t intr_ctrl_reg = aspeed_i2c_bus_intr_ctrl_offset(bus);
     bool raise_irq;
 
-    trace_aspeed_i2c_bus_raise_interrupt(bus->regs[reg_intr_sts],
-        aspeed_i2c_bus_pkt_mode_en(bus) &&
-        ARRAY_FIELD_EX32(bus->regs, I2CM_INTR_STS, PKT_CMD_DONE) ?
-                                                               "pktdone|" : "",
-        SHARED_ARRAY_FIELD_EX32(bus->regs, reg_intr_sts, TX_NAK) ? "nak|" : "",
-        SHARED_ARRAY_FIELD_EX32(bus->regs, reg_intr_sts, TX_ACK) ? "ack|" : "",
-        SHARED_ARRAY_FIELD_EX32(bus->regs, reg_intr_sts, RX_DONE) ? "done|"
-                                                                  : "",
-        SHARED_ARRAY_FIELD_EX32(bus->regs, reg_intr_sts, NORMAL_STOP) ?
-                                                                "normal|" : "",
-        SHARED_ARRAY_FIELD_EX32(bus->regs, reg_intr_sts, ABNORMAL) ? "abnormal"
-                                                                   : "");
+    if (trace_event_get_state_backends(TRACE_ASPEED_I2C_BUS_RAISE_INTERRUPT)) {
+        g_autofree char *buf = g_strdup_printf("%s%s%s%s%s%s",
+               aspeed_i2c_bus_pkt_mode_en(bus) &&
+               ARRAY_FIELD_EX32(bus->regs, I2CM_INTR_STS, PKT_CMD_DONE) ?
+                                               "pktdone|" : "",
+               SHARED_ARRAY_FIELD_EX32(bus->regs, reg_intr_sts, TX_NAK) ?
+                                               "nak|" : "",
+               SHARED_ARRAY_FIELD_EX32(bus->regs, reg_intr_sts, TX_ACK) ?
+                                               "ack|" : "",
+               SHARED_ARRAY_FIELD_EX32(bus->regs, reg_intr_sts, RX_DONE) ?
+                                               "done|" : "",
+               SHARED_ARRAY_FIELD_EX32(bus->regs, reg_intr_sts, NORMAL_STOP) ?
+                                               "normal|" : "",
+               SHARED_ARRAY_FIELD_EX32(bus->regs, reg_intr_sts, ABNORMAL) ?
+                                               "abnormal"  : "");
+
+           trace_aspeed_i2c_bus_raise_interrupt(bus->regs[reg_intr_sts], buf);
+    }
+
     raise_irq = bus->regs[reg_intr_sts] & bus->regs[intr_ctrl_reg];
+
     /* In packet mode we don't mask off INTR_STS */
     if (!aspeed_i2c_bus_pkt_mode_en(bus)) {
         bus->regs[reg_intr_sts] &= bus->regs[intr_ctrl_reg];
     }
+
     if (raise_irq) {
         bus->controller->intr_status |= 1 << bus->id;
         qemu_irq_raise(aic->bus_get_irq(bus));
diff --git a/hw/i2c/trace-events b/hw/i2c/trace-events
index 85e4bddff936..209275ed2dc8 100644
--- a/hw/i2c/trace-events
+++ b/hw/i2c/trace-events
@@ -9,7 +9,7 @@ i2c_recv(uint8_t address, uint8_t data) "recv(addr:0x%02x) 
data:0x%02x"
 # aspeed_i2c.c
 
 aspeed_i2c_bus_cmd(uint32_t cmd, const char *cmd_flags, uint32_t count, 
uint32_t intr_status) "handling cmd=0x%x %s count=%d intr=0x%x"
-aspeed_i2c_bus_raise_interrupt(uint32_t intr_status, const char *str1, const 
char *str2, const char *str3, const char *str4, const char *str5, const char 
*str6) "handled intr=0x%x %s%s%s%s%s%s"
+aspeed_i2c_bus_raise_interrupt(uint32_t intr_status, const char *s) "handled 
intr=0x%x %s"
 aspeed_i2c_bus_read(uint32_t busid, uint64_t offset, unsigned size, uint64_t 
value) "bus[%d]: To 0x%" PRIx64 " of size %u: 0x%" PRIx64
 aspeed_i2c_bus_write(uint32_t busid, uint64_t offset, unsigned size, uint64_t 
value) "bus[%d]: To 0x%" PRIx64 " of size %u: 0x%" PRIx64
 aspeed_i2c_bus_send(const char *mode, int i, int count, uint8_t byte) "%s send 
%d/%d 0x%02x"
-- 
2.35.3