[PATCH 4/6] hw/i2c: add canonical path to i2c event traces

[Titus Rwantare <titusr@google.com>]

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Titus Rwantare <titusr@google.com>
---
 hw/i2c/core.c       | 8 +++++---
 hw/i2c/trace-events | 2 +-
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/hw/i2c/core.c b/hw/i2c/core.c
index 4cf30b2c86..d238311776 100644
--- a/hw/i2c/core.c
+++ b/hw/i2c/core.c
@@ -161,7 +161,8 @@ static int i2c_do_start_transfer(I2CBus *bus, uint8_t address,
            start condition.  */
 
         if (sc->event) {
-            trace_i2c_event(event == I2C_START_SEND ? "start" : "start_async",
+            trace_i2c_event(DEVICE(s)->canonical_path,
+                            event == I2C_START_SEND ? "start" : "start_async",
                             s->address);
             rv = sc->event(s, event);
             if (rv && !bus->broadcast) {
@@ -244,7 +245,7 @@ void i2c_end_transfer(I2CBus *bus)
         I2CSlave *s = node->elt;
         sc = I2C_SLAVE_GET_CLASS(s);
         if (sc->event) {
-            trace_i2c_event("finish", s->address);
+            trace_i2c_event(DEVICE(s)->canonical_path, "finish", s->address);
             sc->event(s, I2C_FINISH);
         }
         QLIST_REMOVE(node, next);
@@ -321,7 +322,8 @@ void i2c_nack(I2CBus *bus)
     QLIST_FOREACH(node, &bus->current_devs, next) {
         sc = I2C_SLAVE_GET_CLASS(node->elt);
         if (sc->event) {
-            trace_i2c_event("nack", node->elt->address);
+            trace_i2c_event(DEVICE(node->elt)->canonical_path,
+                            "nack", node->elt->address);
             sc->event(node->elt, I2C_NACK);
         }
     }
diff --git a/hw/i2c/trace-events b/hw/i2c/trace-events
index f708a7ace1..e5f2dc643e 100644
--- a/hw/i2c/trace-events
+++ b/hw/i2c/trace-events
@@ -9,7 +9,7 @@ bitbang_i2c_data(unsigned clk, unsigned dat, unsigned old_out, unsigned new_out)
 
 # core.c
 
-i2c_event(const char *event, uint8_t address) "%s(addr:0x%02x)"
+i2c_event(const char *id, const char *event, uint8_t address) "%s: %s(addr:0x%02x)"
 i2c_send(uint8_t address, uint8_t data) "send(addr:0x%02x) data:0x%02x"
 i2c_send_async(uint8_t address, uint8_t data) "send_async(addr:0x%02x) data:0x%02x"
 i2c_recv(uint8_t address, uint8_t data) "recv(addr:0x%02x) data:0x%02x"
-- 
2.47.0.277.g8800431eea-goog