Commit Graph

7 Commits

Author SHA1 Message Date
Jason Evans
a14712b4b8 Fix decay tests to all adapt to nstime_monotonic(). 2016-10-11 15:49:55 -07:00
Jason Evans
45a5bf6772 Do not advance decay epoch when time goes backwards.
Instead, move the epoch backward in time.  Additionally, add
nstime_monotonic() and use it in debug builds to assert that time only
goes backward if nstime_update() is using a non-monotonic time source.
2016-10-10 22:31:37 -07:00
Jason Evans
7d3055432d Fix decay tests for --disable-tcache case. 2016-02-27 23:40:31 -08:00
Jason Evans
fd4858225b Fix decay tests for --disable-stats case. 2016-02-27 20:38:29 -08:00
Jason Evans
9bad079039 Refactor time_* into nstime_*.
Use a single uint64_t in nstime_t to store nanoseconds rather than using
struct timespec.  This reduces fragility around conversions between long
and uint64_t, especially missing casts that only cause problems on
32-bit platforms.
2016-02-21 21:39:05 -08:00
Jason Evans
9f24c94474 Increase test coverage in test_decay_ticks. 2016-02-20 09:02:49 -08:00
Jason Evans
243f7a0508 Implement decay-based unused dirty page purging.
This is an alternative to the existing ratio-based unused dirty page
purging, and is intended to eventually become the sole purging
mechanism.

Add mallctls:
- opt.purge
- opt.decay_time
- arena.<i>.decay
- arena.<i>.decay_time
- arenas.decay_time
- stats.arenas.<i>.decay_time

This resolves #325.
2016-02-19 20:56:21 -08:00