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| author | Michael Kerrisk <mtk.manpages@gmail.com> | 2016-04-18 16:11:18 +0100 |
|---|---|---|
| committer | Michael Kerrisk <mtk.manpages@gmail.com> | 2016-04-18 16:23:51 +0100 |
| commit | c74bc5191421f79cb807394c12e1ff08aac477a6 (patch) | |
| tree | 18275131f305e8cddd7bc0cb73caf1418bf9e2f0 | |
| parent | b155912e83f83176a553137bf03f445b409163fa (diff) | |
| download | man-pages-c74bc5191421f79cb807394c12e1ff08aac477a6.tar.gz | |
clock_getres.2: Note that coarse clock need architecture and VDSO support
Reported-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
| -rw-r--r-- | man2/clock_getres.2 | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/man2/clock_getres.2 b/man2/clock_getres.2 index 99913370bf..99e4f64d9f 100644 --- a/man2/clock_getres.2 +++ b/man2/clock_getres.2 @@ -133,6 +133,9 @@ and NTP. A faster but less precise version of .BR CLOCK_REALTIME . Use when you need very fast, but not fine-grained timestamps. +Requires per-architecture support, +and probably also architecture support for this flag in the +.BR vdso (7). .TP .B CLOCK_MONOTONIC Clock that cannot be set and represents monotonic time since @@ -148,6 +151,9 @@ and NTP. A faster but less precise version of .BR CLOCK_MONOTONIC . Use when you need very fast, but not fine-grained timestamps. +Requires per-architecture support, +and probably also architecture support for this flag in the +.BR vdso (7). .TP .BR CLOCK_MONOTONIC_RAW " (since Linux 2.6.28; Linux-specific)" .\" Added in commit 2d42244ae71d6c7b0884b5664cf2eda30fb2ae68, John Stultz |