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| author | Jeff Garzik <jeff@garzik.org> | 2006-09-22 20:10:23 -0400 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2006-09-22 20:10:23 -0400 |
| commit | 28eb177dfa5982d132edceed891cb3885df258bb (patch) | |
| tree | 5f8fdc37ad1d8d0793e9c47da7d908b97c814ffb /arch/powerpc/Kconfig.debug | |
| parent | fd8ae94eea9bb4269d6dff1b47b9dc741bd70d0b (diff) | |
| parent | db392219c5f572610645696e3672f6ea38783a65 (diff) | |
Merge branch 'master' into upstream
Conflicts:
net/ieee80211/ieee80211_crypt_tkip.c
net/ieee80211/ieee80211_crypt_wep.c
Diffstat (limited to 'arch/powerpc/Kconfig.debug')
| -rw-r--r-- | arch/powerpc/Kconfig.debug | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/powerpc/Kconfig.debug b/arch/powerpc/Kconfig.debug index e29ef77d3b0..5ad149b47e3 100644 --- a/arch/powerpc/Kconfig.debug +++ b/arch/powerpc/Kconfig.debug @@ -18,6 +18,20 @@ config DEBUG_STACK_USAGE This option will slow down process creation somewhat. +config HCALL_STATS + bool "Hypervisor call instrumentation" + depends on PPC_PSERIES && DEBUG_FS + help + Adds code to keep track of the number of hypervisor calls made and + the amount of time spent in hypervisor callsr. Wall time spent in + each call is always calculated, and if available CPU cycles spent + are also calculated. A directory named hcall_inst is added at the + root of the debugfs filesystem. Within the hcall_inst directory + are files that contain CPU specific call statistics. + + This option will add a small amount of overhead to all hypervisor + calls. + config DEBUGGER bool "Enable debugger hooks" depends on DEBUG_KERNEL @@ -74,6 +88,8 @@ config XMON very early during boot. 'xmon=on' will just enable the xmon debugger hooks. 'xmon=off' will disable the debugger hooks if CONFIG_XMON_DEFAULT is set. + xmon will print a backtrace on the very first invocation. + 'xmon=nobt' will disable this autobacktrace. config XMON_DEFAULT bool "Enable xmon by default" |