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ANDROID: vendor hooks: add hook record workingset refault count

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By recording the workingset refault count of important processes and
passing it to the userspace policy, optimizations can be made
to improve system performance.

Bug: 340146803

Change-Id: Ibf9791d9645e392b49c24480ca0be5e7fe99bebe
Signed-off-by: Lei Liu <liulei.rjpt@vivo.corp-partner.google.com>
(cherry picked from commit c196e17dffdb946434b92410507395a586407be4)
Signed-off-by: DANGJian <dangjian@honor.corp-partner.google.com>
This commit is contained in:
Lei Liu
2024-05-22 15:46:42 +08:00
committed by Todd Kjos
parent 9a57b38950
commit 40610f49d4
3 changed files with 7 additions and 0 deletions
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1
drivers/android/vendor_hooks.c
View File

@@ -463,6 +463,7 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_handle_trylock_failed_folio);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_hibernate_state);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_page_should_be_protected);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_page_referenced_check_bypass);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_count_workingset_refault);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_swapmem_gather_init);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_swapmem_gather_add_bypass);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_swapmem_gather_finish);

3
include/trace/hooks/mm.h
View File

@@ -270,6 +270,9 @@ DECLARE_HOOK(android_vh_page_should_be_protected,
s8 priority, u64 *ext, int *should_protect),
TP_ARGS(folio, nr_scanned, priority, ext, should_protect));
DECLARE_HOOK(android_vh_count_workingset_refault,
TP_PROTO(struct folio *folio),
TP_ARGS(folio));
DECLARE_HOOK(android_vh_swapmem_gather_init,
TP_PROTO(struct mm_struct *mm),
TP_ARGS(mm));

3
mm/workingset.c
View File

@@ -16,6 +16,7 @@
#include <linux/dax.h>
#include <linux/fs.h>
#include <linux/mm.h>
#include <trace/hooks/mm.h>
/*
* Double CLOCK lists
@@ -401,6 +402,8 @@ void workingset_refault(struct folio *folio, void *shadow)
int memcgid;
long nr;
trace_android_vh_count_workingset_refault(folio);
if (lru_gen_enabled()) {
lru_gen_refault(folio, shadow);
return;