[diffusion] profile: support performance metric dumping and comparison (#13630)

python/sglang/multimodal_gen/envs.py

@@ -12,6 +12,8 @@ import diffusers
 import torch
 from packaging import version
 
+from sglang.multimodal_gen.runtime.utils.common import get_bool_env_var
+
 logger = logging.getLogger(__name__)
 
 if TYPE_CHECKING:
@@ -277,13 +279,13 @@ environment_variables: dict[str, Callable[[], Any]] = {
     # If set, sgl_diffusion will run in development mode, which will enable
     # some additional endpoints for developing and debugging,
     # e.g. `/reset_prefix_cache`
-    "SGLANG_DIFFUSION_SERVER_DEV_MODE": lambda: bool(
-        int(os.getenv("SGLANG_DIFFUSION_SERVER_DEV_MODE", "0"))
+    "SGLANG_DIFFUSION_SERVER_DEV_MODE": lambda: get_bool_env_var(
+        "SGLANG_DIFFUSION_SERVER_DEV_MODE"
     ),
     # If set, sgl_diffusion will enable stage logging, which will print the time
     # taken for each stage
-    "SGLANG_DIFFUSION_STAGE_LOGGING": lambda: bool(
-        int(os.getenv("SGLANG_DIFFUSION_STAGE_LOGGING", "0"))
+    "SGLANG_DIFFUSION_STAGE_LOGGING": lambda: get_bool_env_var(
+        "SGLANG_DIFFUSION_STAGE_LOGGING"
     ),
 }