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ANDROID: vendor_hook: Add hook in snapshot_refaults()

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Provide a vendor hook android_vh_snapshot_refaults to record the
refault statistics of WORKINGSET_RESTORE_ANON;

Bug: 234214858
Signed-off-by: Bing Han <bing.han@transsion.com>
Change-Id: I20eb5ea99bf21fa8ba34b45e87d2ab9e9cdca167
This commit is contained in:
Bing Han
2022-06-09 17:57:36 +08:00
committed by Treehugger Robot
parent 6b04959511
commit 6b7243da5e
3 changed files with 5 additions and 0 deletions
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1
drivers/android/vendor_hooks.c
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@@ -408,3 +408,4 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_shrink_node_memcgs);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_ra_tuning_max_page); EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_ra_tuning_max_page);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_tune_memcg_scan_type); EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_tune_memcg_scan_type);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_inactive_is_low); EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_inactive_is_low);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_snapshot_refaults);

3
include/trace/hooks/vmscan.h
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@@ -38,6 +38,9 @@ DECLARE_HOOK(android_vh_inactive_is_low,
TP_PROTO(unsigned long gb, unsigned long *inactive_ratio, TP_PROTO(unsigned long gb, unsigned long *inactive_ratio,
enum lru_list inactive_lru, bool *skip), enum lru_list inactive_lru, bool *skip),
TP_ARGS(gb, inactive_ratio, inactive_lru, skip)); TP_ARGS(gb, inactive_ratio, inactive_lru, skip));
DECLARE_HOOK(android_vh_snapshot_refaults,
TP_PROTO(struct lruvec *target_lruvec),
TP_ARGS(target_lruvec));
#endif /* _TRACE_HOOK_VMSCAN_H */ #endif /* _TRACE_HOOK_VMSCAN_H */
/* This part must be outside protection */ /* This part must be outside protection */
#include <trace/define_trace.h> #include <trace/define_trace.h>

1
mm/vmscan.c
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@@ -3085,6 +3085,7 @@ static void snapshot_refaults(struct mem_cgroup *target_memcg, pg_data_t *pgdat)
target_lruvec->refaults[0] = refaults; target_lruvec->refaults[0] = refaults;
refaults = lruvec_page_state(target_lruvec, WORKINGSET_ACTIVATE_FILE); refaults = lruvec_page_state(target_lruvec, WORKINGSET_ACTIVATE_FILE);
target_lruvec->refaults[1] = refaults; target_lruvec->refaults[1] = refaults;
trace_android_vh_snapshot_refaults(target_lruvec);
} }
/* /*