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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>
Signed-off-by: liwei <liwei1234@oppo.com>
(cherry picked from commit 6c3dd25d2fdeff6fc752ef74e87e22f86ae1d939)
This commit is contained in:
liwei
2023-09-25 17:28:48 +08:00
committed by Suren Baghdasaryan
parent 8cbe4885a9
commit 0a9731879a
3 changed files with 8 additions and 0 deletions
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1
drivers/android/vendor_hooks.c
View File

@@ -513,6 +513,7 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_ufs_compl_rsp_check_done);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_ufs_err_handler);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_ufs_err_check_ctrl);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_ufs_err_print_ctrl);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_vmscan_kswapd_done);
/*
* For type visibility
*/

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

@@ -53,6 +53,10 @@ DECLARE_HOOK(android_vh_snapshot_refaults,
DECLARE_HOOK(android_vh_check_page_look_around_ref,
TP_PROTO(struct page *page, int *skip),
TP_ARGS(page, skip));
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>

3
mm/vmscan.c
View File

@@ -68,6 +68,7 @@
EXPORT_TRACEPOINT_SYMBOL_GPL(mm_vmscan_direct_reclaim_begin);
EXPORT_TRACEPOINT_SYMBOL_GPL(mm_vmscan_direct_reclaim_end);
EXPORT_TRACEPOINT_SYMBOL_GPL(mm_vmscan_kswapd_wake);
struct scan_control {
/* How many pages shrink_list() should reclaim */
@@ -4038,6 +4039,8 @@ 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;
}