diff --git a/drivers/android/vendor_hooks.c b/drivers/android/vendor_hooks.c index 05586e74bc43..58d3f44fd801 100644 --- a/drivers/android/vendor_hooks.c +++ b/drivers/android/vendor_hooks.c @@ -33,6 +33,7 @@ #include #include #include +#include /* * Export tracepoints that act as a bare tracehook (ie: have no trace event @@ -129,3 +130,4 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_cgroup_attach); EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_iommu_setup_dma_ops); EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_ptype_head); EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_kfree_skb); +EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_timer_calc_index); diff --git a/include/trace/hooks/timer.h b/include/trace/hooks/timer.h new file mode 100644 index 000000000000..174d958e4c31 --- /dev/null +++ b/include/trace/hooks/timer.h @@ -0,0 +1,19 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#undef TRACE_SYSTEM +#define TRACE_SYSTEM timer + +#define TRACE_INCLUDE_PATH trace/hooks + +#if !defined(_TRACE_HOOK_TIMER_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_HOOK_TIMER_H + +#include +#include + +DECLARE_HOOK(android_vh_timer_calc_index, + TP_PROTO(unsigned int lvl, unsigned long *expires), + TP_ARGS(lvl, expires)); + +#endif /* _TRACE_HOOK_TIMER_H */ +/* This part must be outside protection */ +#include diff --git a/kernel/time/timer.c b/kernel/time/timer.c index e3d2c23c413d..c7c4897841df 100644 --- a/kernel/time/timer.c +++ b/kernel/time/timer.c @@ -55,6 +55,8 @@ #define CREATE_TRACE_POINTS #include +#undef CREATE_TRACE_POINTS +#include __visible u64 jiffies_64 __cacheline_aligned_in_smp = INITIAL_JIFFIES; @@ -503,6 +505,7 @@ static inline unsigned calc_index(unsigned long expires, unsigned lvl, * Round up with level granularity to prevent this. */ expires = (expires + LVL_GRAN(lvl)) >> LVL_SHIFT(lvl); + trace_android_vh_timer_calc_index(lvl, &expires); *bucket_expiry = expires << LVL_SHIFT(lvl); return LVL_OFFS(lvl) + (expires & LVL_MASK); }