Provide a helper function for determining dev runtime and use it in the hashmeters used.

api.c

@@ -1632,8 +1632,11 @@ static void gpustatus(struct io_data *io_data, int gpu, bool isjson, bool precom
 
 	if (gpu >= 0 && gpu < nDevs) {
 		struct cgpu_info *cgpu = &gpus[gpu];
+		double dev_runtime;
 
-		cgpu->utility = cgpu->accepted / ( total_secs ? total_secs : 1 ) * 60;
+		dev_runtime = cgpu_runtime(cgpu);
+
+		cgpu->utility = cgpu->accepted / dev_runtime * 60;
 
 #ifdef HAVE_ADL
 		if (!gpu_stats(gpu, &gt, &gc, &gm, &gv, &ga, &gf, &gp, &pt))

miner.h

@@ -691,6 +691,7 @@ endian_flip128(void __maybe_unused *dest_p, const void __maybe_unused *src_p)
 }
 #endif
 
+extern double cgpu_runtime(struct cgpu_info *cgpu);
 extern void _quit(int status);
 
 /*

sgminer.c

@@ -2071,12 +2071,10 @@ static void suffix_string(uint64_t val, char *buf, size_t bufsiz, int sigdigits)
 	}
 }
 
-static void get_statline(char *buf, size_t bufsiz, struct cgpu_info *cgpu)
+double cgpu_runtime(struct cgpu_info *cgpu)
 {
-	char displayed_hashes[16], displayed_rolling[16];
-	uint64_t dh64, dr64;
 	struct timeval now;
-	double dev_runtime, wu;
+	double dev_runtime;
 
 	if (cgpu->dev_start_tv.tv_sec == 0)
 		dev_runtime = total_secs;
@@ -2087,6 +2085,16 @@ static void get_statline(char *buf, size_t bufsiz, struct cgpu_info *cgpu)
 
 	if (dev_runtime < 1.0)
 		dev_runtime = 1.0;
+	return dev_runtime;
+}
+
+static void get_statline(char *buf, size_t bufsiz, struct cgpu_info *cgpu)
+{
+	char displayed_hashes[16], displayed_rolling[16];
+	double dev_runtime, wu;
+	uint64_t dh64, dr64;
+
+	dev_runtime = cgpu_runtime(cgpu);
 
 	wu = cgpu->diff1 / dev_runtime * 60.0;