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e447e1df2e
linux/kernel/trace
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Steven Rostedt e447e1df2e tracing: explain why stack tracer is empty 
If the stack tracing is disabled (by default) the stack_trace file
will only contain the header:

 # cat /debug/tracing/stack_trace
        Depth    Size      Location    (0 entries)
        -----    ----      --------

This can be frustrating to a developer that does not realize that the
stack tracer is disabled. This patch adds the following text:

  # cat /debug/tracing/stack_trace
        Depth    Size      Location    (0 entries)
        -----    ----      --------
 #
 #  Stack tracer disabled
 #
 # To enable the stack tracer, either add 'stacktrace' to the
 # kernel command line
 # or 'echo 1 > /proc/sys/kernel/stack_tracer_enabled'
 #

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
2009-03-12 21:15:01 -04:00
..
blktrace.c Merge branch 'tip/tracing/ftrace' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-trace into tracing/ftrace 2009-03-10 22:55:31 +01:00
events.c tracing: use generic __stringify 2009-03-10 00:35:05 -04:00
ftrace.c tracing: fix deadlock when setting set_ftrace_pid 2009-03-06 12:07:38 +01:00
Kconfig tracing/core: drop the old trace_printk() implementation in favour of trace_bprintk() 2009-03-06 17:59:12 +01:00
kmemtrace.c tracing: Introduce trace_buffer_{lock_reserve,unlock_commit} 2009-02-06 01:01:41 +01:00
Makefile tracing/core: drop the old trace_printk() implementation in favour of trace_bprintk() 2009-03-06 17:59:12 +01:00
ring_buffer.c ring-buffer: remove unneeded get_online_cpus 2009-03-12 21:14:59 -04:00
trace_boot.c tracing: Introduce trace_buffer_{lock_reserve,unlock_commit} 2009-02-06 01:01:41 +01:00
trace_branch.c tracing: remove funky whitespace in the trace code 2009-03-10 14:13:14 -04:00
trace_clock.c trace_clock: fix preemption bug 2009-03-10 20:03:01 +01:00
trace_event_types.h tracing: make bprint event use the proper event id 2009-03-12 21:15:00 -04:00
trace_events_stage_1.h tracing: update comments to match event code macros 2009-03-10 13:12:58 -04:00
trace_events_stage_2.h tracing: update comments to match event code macros 2009-03-10 13:12:58 -04:00
trace_events_stage_3.h tracing: remove funky whitespace in the trace code 2009-03-10 14:13:14 -04:00
trace_events.c tracing: have event_trace_printk use static tracer 2009-03-12 21:15:00 -04:00
trace_export.c tracing: remove funky whitespace in the trace code 2009-03-10 14:13:14 -04:00
trace_functions_graph.c tracing/core: bring back raw trace_printk for dynamic formats strings 2009-03-12 21:15:00 -04:00
trace_functions.c tracing/core: use appropriate waiting on trace_pipe 2009-02-18 01:40:20 +01:00
trace_hw_branches.c tracing/hw-branch-tracing: convert bts-tracer mutex to a spinlock 2009-02-25 09:16:01 +01:00
trace_irqsoff.c tracing: have latency tracers set the latency format 2009-03-04 22:15:30 -05:00
trace_mmiotrace.c tracing/core: bring back raw trace_printk for dynamic formats strings 2009-03-12 21:15:00 -04:00
trace_nop.c trace: Call tracing_reset_online_cpus before tracer->init() 2009-02-06 01:01:41 +01:00
trace_output.c tracing/core: bring back raw trace_printk for dynamic formats strings 2009-03-12 21:15:00 -04:00
trace_output.h tracing/core: drop the old trace_printk() implementation in favour of trace_bprintk() 2009-03-06 17:59:12 +01:00
trace_power.c tracing: convert c/p state power tracer to use tracepoints 2009-02-13 09:06:18 -05:00
trace_printk.c tracing: export trace formats to user space 2009-03-12 21:15:01 -04:00
trace_sched_switch.c tracing/core: use appropriate waiting on trace_pipe 2009-02-18 01:40:20 +01:00
trace_sched_wakeup.c tracing: have latency tracers set the latency format 2009-03-04 22:15:30 -05:00
trace_selftest_dynamic.c ftrace: fix dynamic ftrace selftest 2008-05-23 21:13:23 +02:00
trace_selftest.c tracing: use generic __stringify 2009-03-10 00:35:05 -04:00
trace_stack.c tracing: explain why stack tracer is empty 2009-03-12 21:15:01 -04:00
trace_stat.c tracing: fix typing mistake in hint message and comments 2009-02-17 12:38:24 -05:00
trace_stat.h tracing/ftrace: separate events tracing and stats tracing engine 2009-01-14 12:11:37 +01:00
trace_sysprof.c tracing: make all file_operations const 2009-03-05 21:46:40 -05:00
trace_workqueue.c Merge branch 'tip/tracing/ftrace' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-trace into tracing/ftrace 2009-03-10 22:55:31 +01:00
trace.c tracing/core: bring back raw trace_printk for dynamic formats strings 2009-03-12 21:15:00 -04:00
trace.h tracing: have event_trace_printk use static tracer 2009-03-12 21:15:00 -04:00