Default GAME_POLL_INTERVAL to 15s: nvidia-smi polls keep the GPU awake

README.md

@@ -65,7 +65,7 @@ override file values. Invalid values fail at startup.
 | `GAME_PROCS` | _(empty = disabled)_ | Process names (comma-separated); while any runs, the GPU counts as held: requests wait, Ollama unloads, managed ComfyUI stops |
 | `GPU_FOREIGN_VRAM_MB` | `0` (disabled) | Also treat the GPU as held when a non-ignored process uses more VRAM than this (needs nvidia-smi) |
 | `GPU_IGNORE_PROCS` | `ollama,ollama app,ollama_llama_server,python,pythonw` | Process names never counted as foreign GPU users |
-| `GAME_POLL_INTERVAL` | `5s` | How often game/VRAM detection runs |
+| `GAME_POLL_INTERVAL` | `15s` | How often game/VRAM detection runs (don't go below ~10s — nvidia-smi polls keep the GPU awake) |
 | `LOGLEVEL` | `warn` | `info` logs every request (colored arrows in text mode), `debug` adds lock transitions. `LOG_LEVEL` works as an alias |
 | `LOG_FORMAT` | `text` | `json` for structured JSON logs |
 | `LOG_FILE` | _(empty)_ | Append logs to this file instead of stderr |
@@ -130,7 +130,7 @@ Want to game on the same GPU without Ollama/ComfyUI squatting on the VRAM?
 gpu-turnstile can watch for foreign GPU holders and, while one is active,
 make LLM/image requests wait (or 503, per `LLM_BUSY_MODE`), unload Ollama's
 models and stop the managed ComfyUI so the game gets the memory. Two
-detection paths, each optional, polled every `GAME_POLL_INTERVAL` (5s):
+detection paths, each optional, polled every `GAME_POLL_INTERVAL` (15s):
 
 ```
 GAME_PROCS=cyberpunk2077.exe,bg3.exe     # the reliable way on Windows

SPEC.md

@@ -159,7 +159,7 @@ process instead of expecting an always-on server:
 
 Games and other foreign GPU users sit outside the URL-based consumer model —
 nothing proxies through gpu-turnstile for them. Two independent detection
-paths, polled every `GAME_POLL_INTERVAL` (default 5 s); either one being
+paths, polled every `GAME_POLL_INTERVAL` (default 15 s); either one being
 configured enables the feature:
 
 - **Process watch list** (`GAME_PROCS`, comma-separated, case-insensitive,
@@ -218,7 +218,7 @@ override file values. A missing file is fine; a malformed one is fatal.
 | `GAME_PROCS` | _(empty = disabled)_ | comma-separated process names (case-insensitive, `.exe` optional); while any runs, the GPU counts as held by it: requests wait, Ollama unloads, the managed ComfyUI stops |
 | `GPU_FOREIGN_VRAM_MB` | `0` (disabled) | also treat the GPU as held when a process not in `GPU_IGNORE_PROCS` uses more VRAM than this; needs nvidia-smi |
 | `GPU_IGNORE_PROCS` | `ollama,ollama app,ollama_llama_server,python,pythonw` | process names never counted as foreign GPU users |
-| `GAME_POLL_INTERVAL` | `5s` | how often game/VRAM detection runs |
+| `GAME_POLL_INTERVAL` | `15s` | how often game/VRAM detection runs (nvidia-smi polls keep the GPU awake; don't go below ~10s) |
 | `LOGLEVEL` | `warn` | `info` logs every request (colored arrows in text mode), `debug` adds lock transitions. `LOG_LEVEL` is accepted as an alias |
 | `LOG_FORMAT` | `text` | `json` for structured JSON logs |
 | `LOG_FILE` | `` | append logs to this file instead of stderr (useful as a service) |

internal/config/config.go

@@ -116,7 +116,7 @@ func Defaults() Config {
 		// ComfyUI runs under python; excluding it (and Ollama) by name keeps
 		// our own consumers from tripping the foreign-VRAM check.
 		GPUIgnoreProcs:   []string{"ollama", "ollama app", "ollama_llama_server", "python", "pythonw"},
-		GamePollInterval: 5 * time.Second,
+		GamePollInterval: 15 * time.Second,
 
 		LogLevel: slog.LevelWarn,
 	}

internal/config/config_test.go

@@ -201,8 +201,8 @@ func TestGameDetectionSettings(t *testing.T) {
 	if len(cfg.GPUIgnoreProcs) != 2 || cfg.GPUIgnoreProcs[1] != "my-trainer" {
 		t.Fatalf("GPUIgnoreProcs = %v", cfg.GPUIgnoreProcs)
 	}
-	if cfg.GamePollInterval != 5*time.Second {
-		t.Fatalf("GamePollInterval = %v, want 5s default", cfg.GamePollInterval)
+	if cfg.GamePollInterval != 15*time.Second {
+		t.Fatalf("GamePollInterval = %v, want 15s default", cfg.GamePollInterval)
 	}
 
 	// Defaults: both detection paths off, ignore list covers our consumers.

internal/config/sample.go

@@ -35,7 +35,7 @@ func sampleEntries(logFile string) []sampleEntry {
 		{"GAME_PROCS", "cyberpunk2077.exe,hl2.exe", "While a listed process runs, the GPU counts as held by it: requests wait, Ollama unloads, managed ComfyUI stops (default: empty = disabled)", false},
 		{"GPU_FOREIGN_VRAM_MB", "1024", "Also treat the GPU as held when a process not in GPU_IGNORE_PROCS uses more VRAM than this (needs nvidia-smi; 0/empty = disabled)", false},
 		{"GPU_IGNORE_PROCS", "ollama,ollama app,ollama_llama_server,python,pythonw", "Process names never counted as foreign GPU users (ComfyUI runs under python)", false},
-		{"GAME_POLL_INTERVAL", "5s", "How often game/VRAM detection runs", false},
+		{"GAME_POLL_INTERVAL", "15s", "How often game/VRAM detection runs (nvidia-smi polls keep the GPU awake; don't go below ~10s)", false},
 		{"UNLOAD_TIMEOUT", "60s", "How long to wait for Ollama to unload a model", false},
 		{"JOB_TIMEOUT", "15m", "Maximum time to wait for a ComfyUI job", false},
 		{"LLM_WAIT_TIMEOUT", "10m", "Max time an LLM request waits for the GPU before being answered 503 (wait mode)", false},