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ANDROID: vendor_hooks: account page-mapcount

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Support five hooks as follows to account
the amount of multi-mapped pages in kernel:

- android_vh_show_mapcount_pages
- android_vh_do_traversal_lruvec
- android_vh_update_page_mapcount
- android_vh_add_page_to_lrulist
- android_vh_del_page_from_lrulist

Bug: 236578020
Signed-off-by: Peifeng Li <lipeifeng@oppo.com>
Change-Id: Ia2c7015aab442be7dbb496b8b630b9dff59ab935
This commit is contained in:
Peifeng Li
2022-06-23 14:15:35 +08:00
committed by Suren Baghdasaryan
parent 1d2287f56e
commit 3f775b9367
8 changed files with 129 additions and 23 deletions
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16
include/trace/hooks/mm.h
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@@ -153,6 +153,22 @@ DECLARE_HOOK(android_vh_drain_all_pages_bypass,
int migratetype, unsigned long did_some_progress,
bool *bypass),
TP_ARGS(gfp_mask, order, alloc_flags, migratetype, did_some_progress, bypass));
DECLARE_HOOK(android_vh_update_page_mapcount,
TP_PROTO(struct page *page, bool inc_size, bool compound,
bool *first_mapping, bool *success),
TP_ARGS(page, inc_size, compound, first_mapping, success));
DECLARE_HOOK(android_vh_add_page_to_lrulist,
TP_PROTO(struct page *page, bool compound, enum lru_list lru),
TP_ARGS(page, compound, lru));
DECLARE_HOOK(android_vh_del_page_from_lrulist,
TP_PROTO(struct page *page, bool compound, enum lru_list lru),
TP_ARGS(page, compound, lru));
DECLARE_HOOK(android_vh_show_mapcount_pages,
TP_PROTO(void *unused),
TP_ARGS(unused));
DECLARE_HOOK(android_vh_do_traversal_lruvec,
TP_PROTO(struct lruvec *lruvec),
TP_ARGS(lruvec));
DECLARE_HOOK(android_vh_cma_drain_all_pages_bypass,
TP_PROTO(unsigned int migratetype, bool *bypass),
TP_ARGS(migratetype, bypass));