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2008-11-23tracing/stack-tracer: introduce CONFIG_USER_STACKTRACE_SUPPORTTörök Edwin1-1/+1
Impact: cleanup User stack tracing is just implemented for x86, but it is not x86 specific. Introduce a generic config flag, that is currently enabled only for x86. When other arches implement it, they will have to SELECT USER_STACKTRACE_SUPPORT. Signed-off-by: Török Edwin <[email protected]> Signed-off-by: Ingo Molnar <[email protected]>
2008-11-23tracing/stack-tracer: fix style issuesTörök Edwin1-1/+1
Impact: cleanup Signed-off-by: Török Edwin <[email protected]> Signed-off-by: Ingo Molnar <[email protected]>
2008-11-23tracing: add support for userspace stacktraces in tracing/iter_ctrlTörök Edwin1-0/+8
Impact: add new (default-off) tracing visualization feature Usage example: mount -t debugfs nodev /sys/kernel/debug cd /sys/kernel/debug/tracing echo userstacktrace >iter_ctrl echo sched_switch >current_tracer echo 1 >tracing_enabled .... run application ... echo 0 >tracing_enabled Then read one of 'trace','latency_trace','trace_pipe'. To get the best output you can compile your userspace programs with frame pointers (at least glibc + the app you are tracing). Signed-off-by: Török Edwin <[email protected]> Signed-off-by: Ingo Molnar <[email protected]>
2008-10-03include/linux/stacktrace.h: declare struct task_structAndrew Morton1-0/+2
include/linux/stacktrace.h:13: warning: 'struct task_struct' declared inside parameter list (This might be a hard error on sparc64, which uses this header and has -Werror) Reported-by: "Randy.Dunlap" <[email protected]> Acked-by: Ingo Molnar <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Arjan van de Ven <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2008-01-25sched: latencytop supportArjan van de Ven1-0/+3
LatencyTOP kernel infrastructure; it measures latencies in the scheduler and tracks it system wide and per process. Signed-off-by: Arjan van de Ven <[email protected]> Signed-off-by: Ingo Molnar <[email protected]>
2007-07-19stacktrace: fix header file for !CONFIG_STACKTRACEJohannes Berg1-1/+1
The print_stack_trace macro in stacktrace.h has a wrong number of arguments, fix it. Signed-off-by: Johannes Berg <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Arjan van de Ven <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2007-05-08simplify the stacktrace codeChristoph Hellwig1-4/+2
Simplify the stacktrace code: - remove the unused task argument to save_stack_trace, it's always current - remove the all_contexts flag, it's alwasy 0 Signed-off-by: Christoph Hellwig <[email protected]> Cc: Paul Mundt <[email protected]> Cc: Ralf Baechle <[email protected]> Cc: Martin Schwidefsky <[email protected]> Cc: "David S. Miller" <[email protected]> Cc: Andi Kleen <[email protected]> Cc: Akinobu Mita <[email protected]> Acked-by: Ingo Molnar <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2006-09-26[PATCH] x86: Some preparationary cleanup for stack traceAndi Kleen1-3/+4
- Remove unused all_contexts parameter No caller used it - Move skip argument into the structure (needed for followon patches) Cc: [email protected] Signed-off-by: Andi Kleen <[email protected]>
2006-07-03[PATCH] lockdep: stacktrace subsystem, coreIngo Molnar1-0/+20
Framework to generate and save stacktraces quickly, without printing anything to the console. Signed-off-by: Ingo Molnar <[email protected]> Signed-off-by: Arjan van de Ven <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
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