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ANDROID: mm: Add vendor hooks for recording when kswapd finishing the reclaim job

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To monitor the reclaiming ability of kswapd, add vendor hook recording when the kswapd finish the reclaiming job and the reclaim progress.

android_vh_vmscan_kswpad_done(int, unsigned int, unsigned int, unsigned int)

Bug: 301044280

Change-Id: Id6e0a97003f0a156cff4d0996bc38bcd89b1dc69
Signed-off-by: John Hsu <john.hsu@mediatek.com>
This commit is contained in:
JohnHsu
2023-09-25 17:28:48 +08:00
parent 0deb7bb73e
commit 30d86f760c
3 changed files with 7 additions and 0 deletions
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1
drivers/android/vendor_hooks.c
View File

@@ -340,3 +340,4 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_compaction_try_to_compact_pages_exit);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_mm_alloc_pages_direct_reclaim_enter);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_mm_alloc_pages_direct_reclaim_exit);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_mm_alloc_pages_may_oom_exit);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_vmscan_kswapd_done);

4
include/trace/hooks/vmscan.h
View File

@@ -49,6 +49,10 @@ DECLARE_HOOK(android_vh_tune_swappiness,
DECLARE_HOOK(android_vh_scan_abort_check_wmarks,
TP_PROTO(bool *check_wmarks),
TP_ARGS(check_wmarks));
DECLARE_HOOK(android_vh_vmscan_kswapd_done,
TP_PROTO(int node_id, unsigned int highest_zoneidx, unsigned int alloc_order,
unsigned int reclaim_order),
TP_ARGS(node_id, highest_zoneidx, alloc_order, reclaim_order));
#endif /* _TRACE_HOOK_VMSCAN_H */
/* This part must be outside protection */
#include <trace/define_trace.h>

2
mm/vmscan.c
View File

@@ -7788,6 +7788,8 @@ kswapd_try_sleep:
alloc_order);
reclaim_order = balance_pgdat(pgdat, alloc_order,
highest_zoneidx);
trace_android_vh_vmscan_kswapd_done(pgdat->node_id, highest_zoneidx,
alloc_order, reclaim_order);
if (reclaim_order < alloc_order)
goto kswapd_try_sleep;
}