diff options
Diffstat (limited to 'usr/src/uts/common/conf/param.c')
| -rw-r--r-- | usr/src/uts/common/conf/param.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/usr/src/uts/common/conf/param.c b/usr/src/uts/common/conf/param.c index 1120748b98..06920c3574 100644 --- a/usr/src/uts/common/conf/param.c +++ b/usr/src/uts/common/conf/param.c @@ -116,7 +116,7 @@ const unsigned int _diskrpm = (unsigned int)DISKRPM; const unsigned long _pgthresh = (unsigned long)PGTHRESH; const unsigned int _maxslp = (unsigned int)MAXSLP; const unsigned long _maxhandspreadpages = (unsigned long)MAXHANDSPREADPAGES; -const int _ncpu = (int)NCPU; +const int _ncpu = (int)NCPU; const int _ncpu_log2 = (int)NCPU_LOG2; const int _ncpu_p2 = (int)NCPU_P2; const unsigned long _defaultstksz = (unsigned long)DEFAULTSTKSZ; @@ -131,9 +131,12 @@ const unsigned int _nbpg = (unsigned int)MMU_PAGESIZE; */ /* - * Default hz is 100, but if we set hires_tick we get higher resolution - * clock behavior (currently defined to be 1000 hz). Higher values seem - * to work, but are not supported. + * hz is 100, but we set hires_tick to get higher resolution clock behavior + * (currently defined to be 1000 hz). Higher values seem to work, but are not + * supported. + * + * This is configured via hires_tick to allow users to explicitly customize it + * to 0 should the need arise. * * If we do decide to play with higher values, remember that hz should * satisfy the following constraints to avoid integer round-off problems: @@ -160,7 +163,7 @@ const unsigned int _nbpg = (unsigned int)MMU_PAGESIZE; int hz = HZ_DEFAULT; int hires_hz = HIRES_HZ_DEFAULT; -int hires_tick = 0; +int hires_tick = 1; int cpu_decay_factor = 10; /* this is no longer tied to clock */ int max_hres_adj; /* maximum adjustment of hrtime per tick */ int tick_per_msec; /* clock ticks per millisecond (zero if hz < 1000) */ |