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To make it really easy to add custom events from modules, add a TRACE_CUSTOM_EVENT() macro that acts just like the TRACE_EVENT() macro, but creates a custom event to an already existing tracepoint. The trace_custom_sched.[ch] has been updated to use this new macro to show how simple it is. Link: https://lkml.kernel.org/r/20220303220625.738622494@goodmis.org Cc: Ingo Molnar <mingo@kernel.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Joel Fernandes <joel@joelfernandes.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Masami Hiramatsu <mhiramat@kernel.org> Cc: Tom Zanussi <zanussi@kernel.org> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
18 lines
704 B
Makefile
18 lines
704 B
Makefile
# SPDX-License-Identifier: GPL-2.0-only
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# builds the trace events example kernel modules;
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# then to use one (as root): insmod <module_name.ko>
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# If you include a trace header outside of include/trace/events
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# then the file that does the #define CREATE_TRACE_POINTS must
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# have that tracer file in its main search path. This is because
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# define_trace.h will include it, and must be able to find it from
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# the include/trace directory.
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#
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# Here trace-events-sample.c does the CREATE_TRACE_POINTS.
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#
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CFLAGS_trace-events-sample.o := -I$(src)
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CFLAGS_trace_custom_sched.o := -I$(src)
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obj-$(CONFIG_SAMPLE_TRACE_EVENTS) += trace-events-sample.o
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obj-$(CONFIG_SAMPLE_TRACE_CUSTOM_EVENTS) += trace_custom_sched.o
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