diff --git a/drivers/android/vendor_hooks.c b/drivers/android/vendor_hooks.c index 78a03f93e0fb..1af7dedd6a5a 100644 --- a/drivers/android/vendor_hooks.c +++ b/drivers/android/vendor_hooks.c @@ -244,6 +244,7 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_binder_trans); EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_mmap_region); EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_try_to_unmap_one); EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_shrink_slab_bypass); +EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_do_shrink_slab); EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_get_page_wmark); EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_page_add_new_anon_rmap); EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_psi_event); diff --git a/include/trace/hooks/vmscan.h b/include/trace/hooks/vmscan.h index 229a8d8f45c0..2044d922c65b 100644 --- a/include/trace/hooks/vmscan.h +++ b/include/trace/hooks/vmscan.h @@ -18,6 +18,9 @@ DECLARE_HOOK(android_vh_kswapd_per_node, DECLARE_HOOK(android_vh_shrink_slab_bypass, TP_PROTO(gfp_t gfp_mask, int nid, struct mem_cgroup *memcg, int priority, bool *bypass), TP_ARGS(gfp_mask, nid, memcg, priority, bypass)); +DECLARE_HOOK(android_vh_do_shrink_slab, + TP_PROTO(struct shrinker *shrinker, long *freeable), + TP_ARGS(shrinker, freeable)); #endif /* _TRACE_HOOK_VMSCAN_H */ /* This part must be outside protection */ #include diff --git a/mm/vmscan.c b/mm/vmscan.c index be951f3d0bb9..8dc51c2bdb32 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -800,6 +800,7 @@ static unsigned long do_shrink_slab(struct shrink_control *shrinkctl, long scanned = 0, next_deferred; freeable = shrinker->count_objects(shrinker, shrinkctl); + trace_android_vh_do_shrink_slab(shrinker, &freeable); if (freeable == 0 || freeable == SHRINK_EMPTY) return freeable;