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| author | Nicolas Pitre <nico@cam.org> | 2008-04-24 01:31:46 -0400 |
|---|---|---|
| committer | Lennert Buytenhek <buytenh@marvell.com> | 2008-06-22 22:44:36 +0200 |
| commit | f76e9154736e9ab47b64940d0062f19c80225b7f (patch) | |
| tree | eb8a909667362fc552894d7987ff3e57ade4fa0f /arch/arm/Kconfig | |
| parent | b0bfcce930bca38af056662e598991cb393eaa4a (diff) | |
| download | linux-f76e9154736e9ab47b64940d0062f19c80225b7f.tar.gz linux-f76e9154736e9ab47b64940d0062f19c80225b7f.tar.bz2 linux-f76e9154736e9ab47b64940d0062f19c80225b7f.zip | |
[ARM] latencytop support
Available for !SMP only at the moment.
From Russell:
|Basically, if a thread is running on a CPU, thread_saved_fp() is invalid.
|So, the question is: what guarantees do we have here that 'tsk' is not
|running on another CPU?
Signed-off-by: Nicolas Pitre <nico@marvell.com>
Tested-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Diffstat (limited to 'arch/arm/Kconfig')
| -rw-r--r-- | arch/arm/Kconfig | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index b786e68914d4..a91b9ac9a0e5 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -84,6 +84,11 @@ config STACKTRACE_SUPPORT bool default y +config HAVE_LATENCYTOP_SUPPORT + bool + depends on !SMP + default y + config LOCKDEP_SUPPORT bool default y |