From c7c740cb83f42bc0e45c79679ffbb1343dab73b2 Mon Sep 17 00:00:00 2001 From: Michael Kerrisk Date: Fri, 2 Feb 2007 05:41:32 +0000 Subject: [PATCH] Since kernel 2.6.20, the software clock can also be 300 HZ. --- man7/time.7 | 3 +++ 1 file changed, 3 insertions(+) diff --git a/man7/time.7 b/man7/time.7 index 8361f1f82..38e671a8a 100644 --- a/man7/time.7 +++ b/man7/time.7 @@ -73,6 +73,9 @@ starting with 2.6.0, HZ was raised to 1000, giving a jiffy of 0.001 seconds; since kernel 2.6.13, the HZ value is a kernel configuration parameter and can be 100, 250 (the default) or 1000, yielding a jiffies value of, respectively, 0.01, 0.004, or 0.001 seconds. +Since kernel 2.6.20, a further frequency is available: +300, a number that divides evenly for the common video +frame rates (PAL, 25 HZ; NTSC, 30 HZ). .SS "The Epoch" Unix systems represent time in seconds since the .IR Epoch ,