diff options
Diffstat (limited to 'kernel/sched')
-rw-r--r-- | kernel/sched/core.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 488655f2319f..c26a2cd99ec7 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -80,6 +80,7 @@ #define CREATE_TRACE_POINTS #include <linux/sched/rseq_api.h> #include <trace/events/sched.h> +#include <trace/events/ipi.h> #undef CREATE_TRACE_POINTS #include "sched.h" @@ -95,6 +96,8 @@ #include "../../io_uring/io-wq.h" #include "../smpboot.h" +EXPORT_TRACEPOINT_SYMBOL_GPL(ipi_send_cpumask); + /* * Export tracepoints that act as a bare tracehook (ie: have no trace event * associated with them) to allow external modules to probe them. @@ -3830,10 +3833,12 @@ void send_call_function_single_ipi(int cpu) { struct rq *rq = cpu_rq(cpu); - if (!set_nr_if_polling(rq->idle)) + if (!set_nr_if_polling(rq->idle)) { + trace_ipi_send_cpumask(cpumask_of(cpu), _RET_IP_, NULL); arch_send_call_function_single_ipi(cpu); - else + } else { trace_sched_wake_idle_without_ipi(cpu); + } } /* |