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authorSteven Rostedt <rostedt@goodmis.org>2008-10-06 21:24:18 -0400
committerIngo Molnar <mingo@elte.hu>2008-10-20 18:31:37 +0200
commit81520a1b0649d0701205b818714a8c1e1cfbbb5b (patch)
treea455ec060f28371b17374db2f934fc66dc7067ef /arch/powerpc/Kconfig
parent3ce83aea86bf46fd1bff59d2e6d16f48fdce22fc (diff)
ftrace: stack tracer only record when on stack
The stack trace API does not record if the stack is not on the current task's stack. That is, if the stack is the interrupt stack or NMI stack, the output does not show. Also, the size of those stacks are not consistent with the size of the thread stack, this makes the calculation of the stack size usually bogus. This all confuses the stack tracer. I unfortunately do not have time to fix all these problems, but this patch does record the worst stack when the stack pointer is on the tasks stack (instead of bogus numbers). The patch simply returns if the stack pointer is not on the task's stack. Signed-off-by: Steven Rostedt <srostedt@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/powerpc/Kconfig')
0 files changed, 0 insertions, 0 deletions