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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
Bug: 330661608
Bug: 395197442
Change-Id: Id6e0a97003f0a156cff4d0996bc38bcd89b1dc69
Signed-off-by: John Hsu <john.hsu@mediatek.com>
Signed-off-by: wengle <wengle@oppo.com>
This commit is contained in:
JohnHsu
2023-09-25 17:28:48 +08:00
committed by Carlos Llamas
parent 3972d43fc4
commit 21c64f5a21
3 changed files with 8 additions and 0 deletions
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drivers/android/vendor_hooks.c
+1
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@@ -407,3 +407,4 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_wb_dirty_limits);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_vfs_fsync_range);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_do_fcntl);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_evict);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_vmscan_kswapd_done);
include/trace/hooks/vmscan.h
+5
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@@ -59,6 +59,11 @@ DECLARE_HOOK(android_vh_tune_scan_type,
DECLARE_HOOK(android_vh_shrink_slab_bypass,
TP_PROTO(gfp_t gfp_mask, int nid, struct mem_cgroup *memcg, int priority, bool *bypass),
TP_ARGS(gfp_mask, nid, memcg, priority, bypass));
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>
mm/vmscan.c
+2
View File
@@ -7347,6 +7347,8 @@ 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;
}