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ANDROID: vendor_hooks: tune reclaim scan type for specified mem_cgroup

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Add memcg support for hooks in the reclaim path

Bug: 230450931
Change-Id: Ia3e6949985d915c8640139fbb93800d91e1e46f8
Signed-off-by: xiaofeng <xiaofeng5@xiaomi.com>
This commit is contained in:
xiaofeng
2022-07-20 11:41:45 +08:00
committed by Suren Baghdasaryan
parent a6b9536c10
commit 561c270725
3 changed files with 5 additions and 0 deletions
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1
drivers/android/vendor_hooks.c
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@@ -407,3 +407,4 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_update_rq_clock_pelt);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_cpumask_any_and_distribute); EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_cpumask_any_and_distribute);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_resume_begin); EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_resume_begin);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_resume_end); EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_resume_end);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_tune_memcg_scan_type);

3
include/trace/hooks/vmscan.h
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@@ -27,6 +27,9 @@ DECLARE_HOOK(android_vh_do_shrink_slab,
DECLARE_RESTRICTED_HOOK(android_rvh_set_balance_anon_file_reclaim, DECLARE_RESTRICTED_HOOK(android_rvh_set_balance_anon_file_reclaim,
TP_PROTO(bool *balance_anon_file_reclaim), TP_PROTO(bool *balance_anon_file_reclaim),
TP_ARGS(balance_anon_file_reclaim), 1); TP_ARGS(balance_anon_file_reclaim), 1);
DECLARE_HOOK(android_vh_tune_memcg_scan_type,
TP_PROTO(struct mem_cgroup *memcg, char *scan_type),
TP_ARGS(memcg, scan_type));
#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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@@ -2504,6 +2504,7 @@ static void get_scan_count(struct lruvec *lruvec, struct scan_control *sc,
denominator = ap + fp; denominator = ap + fp;
out: out:
trace_android_vh_tune_scan_type((char *)(&scan_balance)); trace_android_vh_tune_scan_type((char *)(&scan_balance));
trace_android_vh_tune_memcg_scan_type(memcg, (char *)(&scan_balance));
for_each_evictable_lru(lru) { for_each_evictable_lru(lru) {
int file = is_file_lru(lru); int file = is_file_lru(lru);
unsigned long lruvec_size; unsigned long lruvec_size;