[MISC] Refine no available block debug msg (#15076)

Signed-off-by: Yi Liu <[email protected]>
Signed-off-by: yiliu30 <[email protected]>
Co-authored-by: Yi Liu <[email protected]>

Author: yiliu30

vllm/distributed/device_communicators/shm_broadcast.py

@@ -357,8 +357,11 @@ def acquire_write(self, timeout: Optional[float] = None):
                     # if we wait for a long time, log a message
                     if (time.monotonic() - start_time
                             > VLLM_RINGBUFFER_WARNING_INTERVAL * n_warning):
-                        logger.debug("No available block found in %s second. ",
-                                     VLLM_RINGBUFFER_WARNING_INTERVAL)
+                        logger.debug(
+                            ("No available shared memory broadcast block found"
+                             " in %s second."),
+                            VLLM_RINGBUFFER_WARNING_INTERVAL,
+                        )
                         n_warning += 1
 
                     # if we time out, raise an exception
@@ -415,8 +418,11 @@ def acquire_read(self, timeout: Optional[float] = None):
                     # if we wait for a long time, log a message
                     if (time.monotonic() - start_time
                             > VLLM_RINGBUFFER_WARNING_INTERVAL * n_warning):
-                        logger.debug("No available block found in %s second. ",
-                                     VLLM_RINGBUFFER_WARNING_INTERVAL)
+                        logger.debug(
+                            ("No available shared memory broadcast block found"
+                             "in %s second."),
+                            VLLM_RINGBUFFER_WARNING_INTERVAL,
+                        )
                         n_warning += 1
 
                     # if we time out, raise an exception