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| author | Victor Lowther <victor.lowther@gmail.com> | 2008-11-30 10:19:24 -0600 |
|---|---|---|
| committer | Victor Lowther <victor.lowther@gmail.com> | 2008-11-30 18:23:26 -0600 |
| commit | db9fd15445ee7c2eeb873b06cf89da15442d8e67 (patch) | |
| tree | 93d8126998f0933cfcaa805a3673718cd6106e9f | |
| parent | 7dd6fe1ae1da23e5c051ca175b2834c5e5eef7ae (diff) | |
Added notes on how to minimized user impact.
After all, user perception of these things is our reality.
| -rw-r--r-- | pm/HOWTO.hooks | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/pm/HOWTO.hooks b/pm/HOWTO.hooks index 550afd9..a506759 100644 --- a/pm/HOWTO.hooks +++ b/pm/HOWTO.hooks @@ -75,6 +75,19 @@ At or before 50, you can assume that all services are still enabled. At or before 75, you can assume that all modules are still loaded. +SUSPEND FAST PATH + +When suspending the system to memory, most of the time is used to synchronize +the disks and perform the actual sleep process in kernel space. +On modern systems, these steps generally only take 1 - 3 seconds. Since +just about every laptop user wants their system to sleep and wake up as fast +as possible, you should minimize the amount of work done during suspend and +during resume before we switch vts back to the original vt. + +If you have something to do that will take lots of time, try to run it during +resume after the 90chvt hook runs -- that will minimize the impact we have on +resume time. + CONVENIENCE FUNCTIONS If your hook is a shell script that supports POSIX/SuS compatible syntax, you |