So that external modules can hook into them and extract the info they need. Since these new tracepoints have no events associated with them exporting these tracepoints make them useful for external modules to perform testing and debugging. There's no other way otherwise to access them.
Signed-off-by: Qais Yousef <[email protected]> --- kernel/sched/core.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 4778c48a7fda..0f16e445cca1 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -22,6 +22,14 @@ #define CREATE_TRACE_POINTS #include <trace/events/sched.h> +/* + * Export tracepoints that act as a bare tracehook (ie: have no trace event + * associated with them) to allow external modules to probe them. + */ +EXPORT_TRACEPOINT_SYMBOL_GPL(pelt_rq); +EXPORT_TRACEPOINT_SYMBOL_GPL(pelt_se); +EXPORT_TRACEPOINT_SYMBOL_GPL(sched_overutilized); + DEFINE_PER_CPU_SHARED_ALIGNED(struct rq, runqueues); #if defined(CONFIG_SCHED_DEBUG) && defined(CONFIG_JUMP_LABEL) -- 2.17.1
