Drop the default running value to 60% from 80%. Testing shows that we

cycle too much, wasting power if we trigger a jump to full speed too
easily.  CPU-bound tasks quickly push idle below this level.

usr.sbin/powerd/powerd.8

@@ -86,7 +86,7 @@ The default is 500 ms.
 Specifies the CPU idle percent level where
 adaptive
 mode should consider the CPU running and increase performance.
-The default is 80% or lower.
+The default is 65% or lower.
 .It Fl v
 Verbose mode.
 Messages about power changes will be printed to stdout and

usr.sbin/powerd/powerd.c

@@ -44,9 +44,9 @@ __FBSDID("$FreeBSD$");
 #include <sys/sysctl.h>
 #include <sys/resource.h>
 
-#define DEFAULT_ACTIVE_PERCENT	80
+#define DEFAULT_ACTIVE_PERCENT	65
 #define DEFAULT_IDLE_PERCENT	90
-#define DEFAULT_POLL_INTERVAL	500
+#define DEFAULT_POLL_INTERVAL	500	/* Poll interval in milliseconds */
 
 enum modes_t {
 	MODE_MIN,