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| author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-24 14:27:42 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-24 14:44:01 -0700 |
| commit | eb71c87a492b7090ff9e8ac46912c480a1687e38 (patch) | |
| tree | 1136213dee0f942866b6c2c65de7e7c63ca94fda /kernel | |
| parent | d384ea691fe4ea8c2dd5b9b8d9042eb181776f18 (diff) | |
| download | linux-eb71c87a492b7090ff9e8ac46912c480a1687e38.tar.gz linux-eb71c87a492b7090ff9e8ac46912c480a1687e38.tar.bz2 linux-eb71c87a492b7090ff9e8ac46912c480a1687e38.zip | |
Add some basic resume trace facilities
Considering that there isn't a lot of hw we can depend on during resume,
this is about as good as it gets.
This is x86-only for now, although the basic concept (and most of the
code) will certainly work on almost any platform.
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/power/Kconfig | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/kernel/power/Kconfig b/kernel/power/Kconfig index ce0dfb8f4a4e..cdf315e794ff 100644 --- a/kernel/power/Kconfig +++ b/kernel/power/Kconfig @@ -36,6 +36,15 @@ config PM_DEBUG code. This is helpful when debugging and reporting various PM bugs, like suspend support. +config PM_TRACE + bool "Suspend/resume event tracing" + depends on PM && PM_DEBUG && X86 + default y + ---help--- + This enables some cheesy code to save the last PM event point in the + RTC across reboots, so that you can debug a machine that just hangs + during suspend (or more commonly, during resume). + config SOFTWARE_SUSPEND bool "Software Suspend" depends on PM && SWAP && (X86 && (!SMP || SUSPEND_SMP)) || ((FRV || PPC32) && !SMP) |