| From: |
| Alexey Perevalov <a.perevalov@samsung.com> |
| To: |
| linux-kernel@vger.kernel.org, tglx@linutronix.de, john.stultz@linaro.org |
| Subject: |
| [PATCH v3 0/6] Deferrable timers support for hrtimers/timerfd API |
| Date: |
| Thu, 20 Feb 2014 12:40:27 +0400 |
| Message-ID: |
| <1392885633-7787-1-git-send-email-a.perevalov@samsung.com> |
| Cc: |
| Alexey Perevalov <a.perevalov@samsung.com>, anton@nomsg.org, kyungmin.park@samsung.com, cw00.choi@samsung.com, akpm@linux-foundation.org |
| Archive‑link: | |
Article |
Hello.
This is a combo patch set for support defferability in timerfd.
Due implementation of timerfd is based on hrtimers and only on hrtimers,
it was necessary to add such deferrability into hrtimers too.
It brings benefits for user-land application which don't want to break idle state and for
in-kernel users who want to use hrtimer advantages.
Alexey Perevalov (2):
tracing/trivial: Add CLOCK_BOOTIME and CLOCK_TAI for human readable
clockid trace
tracing/trivial: Add CLOCK_*_DEFERRABLE for tracing clockids
Anton Vorontsov (3):
kernel/time: Add new helpers to convert ktime to/from jiffies
timerfd: Factor out timer-type unspecific timerfd_expire()
timerfd: Add support for deferrable timers
Thomas Gleixner (1):
hrtimer: Add support for deferrable timer into the hrtimer
fs/timerfd.c | 47 ++++++++++++++++----------------
include/linux/hrtimer.h | 3 ++
include/linux/jiffies.h | 4 ++-
include/linux/ktime.h | 3 +-
include/trace/events/timer.h | 11 +++++++-
include/uapi/linux/time.h | 3 ++
kernel/hrtimer.c | 62 +++++++++++++++++++++++++++++++++---------
kernel/time.c | 23 ++++++++++++++++
8 files changed, 117 insertions(+), 39 deletions(-)
--
1.7.9.5
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