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selftests/ftrace: Fix to check the existence of set_ftrace_filter
[ Upstream commit fd1baf6ca2
]
If we run ftracetest on the kernel with CONFIG_DYNAMIC_FTRACE=n,
there is no set_ftrace_filter and all test cases are failed, because
reset_ftrace_filter() returns an error.
Let's check whether set_ftrace_filter exists in reset_ftrace_filter()
and clean up only set_ftrace_notrace in initialize_ftrace().
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
parent
a5991e6a33
commit
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1 changed files with 4 additions and 1 deletions
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@ -46,6 +46,9 @@ reset_events_filter() { # reset all current setting filters
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}
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reset_ftrace_filter() { # reset all triggers in set_ftrace_filter
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if [ ! -f set_ftrace_filter ]; then
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return 0
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fi
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echo > set_ftrace_filter
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grep -v '^#' set_ftrace_filter | while read t; do
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tr=`echo $t | cut -d: -f2`
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@ -93,7 +96,7 @@ initialize_ftrace() { # Reset ftrace to initial-state
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disable_events
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[ -f set_event_pid ] && echo > set_event_pid
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[ -f set_ftrace_pid ] && echo > set_ftrace_pid
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[ -f set_ftrace_filter ] && echo | tee set_ftrace_*
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[ -f set_ftrace_notrace ] && echo > set_ftrace_notrace
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[ -f set_graph_function ] && echo | tee set_graph_*
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[ -f stack_trace_filter ] && echo > stack_trace_filter
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[ -f kprobe_events ] && echo > kprobe_events
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