sched_note: add function auto-tracing #8988
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After enabling this option, you can automatically trace the function instrumentation without adding tracepoint manually. This is similar to the Function Trace effect of the linux kernel Signed-off-by: yinshengkai <yinshengkai@xiaomi.com>
pkarashchenko
approved these changes
Apr 10, 2023
acassis
approved these changes
Apr 10, 2023
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Summary
You can automatically trace the function instrumentation without adding tracepoint manually.
This is similar to the Function Trace effect of the linux kernel
Impact
Testing
Add CFLAGS += -finstrument-functions to the makefile to track the required modules.
The following compilation option can exclude files that do not want to be tracked in this module
CFLAGS += -finstrument-functions-exclude-file-list=xxx
The following compilation option can exclude functions that do not want to be tracked in this module
CFLAGS += -finstrument-functions-exclude-function-list=xxx