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dcc19d2809
Have the stacktrace function trigger probe trigger stack traces within the
instance that they were added to in the set_ftrace_filter.
># cd /sys/kernel/debug/tracing
># mkdir instances/foo
># cd instances/foo
># echo schedule:stacktrace:1 > set_ftrace_filter
># cat trace
# tracer: nop
#
# entries-in-buffer/entries-written: 1/1 #P:4
#
# _-----=> irqs-off
# / _----=> need-resched
# | / _---=> hardirq/softirq
# || / _--=> preempt-depth
# ||| / delay
# TASK-PID CPU# |||| TIMESTAMP FUNCTION
# | | | |||| | |
<idle>-0 [001] .N.2 202.585010: <stack trace>
=>
=> schedule
=> schedule_preempt_disabled
=> do_idle
=> cpu_startup_entry
=> start_secondary
=> verify_cpu
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
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Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.