Porting hooks from 5.10 and move zram to ko

Change-Id: I576f9dc68a31900b6fbbe629edbb01cf8a723d8d
Signed-off-by: huangzq2 <huangzq2@motorola.com>
Reviewed-on: https://gerrit.mot.com/2747021
Reviewed-by: Xiangpo Zhao <zhaoxp3@motorola.com>
SLTApproved: Slta Waiver
SME-Granted: SME Approvals Granted
Tested-by: Jira Key
Submit-Approved: Jira Key

arch/arm64/configs/vendor/holi_QGKI.config

@@ -20,6 +20,7 @@ CONFIG_IOMMU_IO_PGTABLE_FAST=y
 CONFIG_QCOM_LLCC_PERFMON=m
 CONFIG_SCHED_WALT=y
 CONFIG_QGKI=y
+CONFIG_ZRAM=m
 CONFIG_REGULATOR_QTI_DEBUG=y
 CONFIG_REGMAP_QTI_DEBUG=y
 CONFIG_REGMAP_ALLOW_WRITE_DEBUGFS=y

drivers/android/vendor_hooks.c

@@ -17,11 +17,13 @@
 #include <trace/hooks/fpsimd.h>
 #include <trace/hooks/topology.h>
 #include <trace/hooks/debug.h>
+#include <trace/hooks/mm.h>
 #include <trace/hooks/minidump.h>
 #include <trace/hooks/wqlockup.h>
 #include <trace/hooks/sysrqcrash.h>
 #include <trace/hooks/cgroup.h>
 #include <trace/hooks/sys.h>
+#include <trace/hooks/vmscan.h>
 
 /*
  * Export tracepoints that act as a bare tracehook (ie: have no trace event
@@ -71,5 +73,14 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_sysrq_crash);
 EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_find_busiest_group);
 EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_map_util_freq);
 EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_em_pd_energy);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_rmqueue);
 EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_cgroup_set_task);
 EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_syscall_prctl_finished);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_tune_scan_type);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_tune_swappiness);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_tune_inactive_ratio);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_mem_cgroup_id_remove);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_mem_cgroup_css_offline);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_mem_cgroup_css_online);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_mem_cgroup_free);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_mem_cgroup_alloc);

include/trace/hooks/mm.h

@@ -0,0 +1,78 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifdef PROTECT_TRACE_INCLUDE_PATH
+#undef PROTECT_TRACE_INCLUDE_PATH
+
+#include <trace/hooks/save_incpath.h>
+#include <trace/hooks/mm.h>
+#include <trace/hooks/restore_incpath.h>
+
+#else /* PROTECT_TRACE_INCLUDE_PATH */
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM mm
+
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_MM_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_MM_H
+
+#include <linux/types.h>
+
+#include <linux/mm.h>
+#include <linux/oom.h>
+#include <linux/tracepoint.h>
+#include <trace/hooks/vendor_hooks.h>
+#include <linux/rwsem.h>
+
+#ifdef __GENKSYMS__
+struct slabinfo;
+struct cgroup_subsys_state;
+struct device;
+struct mem_cgroup;
+struct readahead_control;
+#else
+/* struct slabinfo */
+#include <../mm/slab.h>
+/* struct cgroup_subsys_state */
+#include <linux/cgroup-defs.h>
+/* struct device */
+#include <linux/device.h>
+/* struct mem_cgroup */
+#include <linux/memcontrol.h>
+/* struct readahead_control */
+#include <linux/pagemap.h>
+#endif /* __GENKSYMS__ */
+struct cma;
+struct swap_slots_cache;
+struct page_vma_mapped_walk;
+
+DECLARE_HOOK(android_vh_rmqueue,
+	TP_PROTO(struct zone *preferred_zone, struct zone *zone,
+		unsigned int order, gfp_t gfp_flags,
+		unsigned int alloc_flags, int migratetype),
+	TP_ARGS(preferred_zone, zone, order,
+		gfp_flags, alloc_flags, migratetype));
+
+DECLARE_HOOK(android_vh_mem_cgroup_alloc,
+	TP_PROTO(struct mem_cgroup *memcg),
+	TP_ARGS(memcg));
+DECLARE_HOOK(android_vh_mem_cgroup_free,
+	TP_PROTO(struct mem_cgroup *memcg),
+	TP_ARGS(memcg));
+DECLARE_HOOK(android_vh_mem_cgroup_id_remove,
+	TP_PROTO(struct mem_cgroup *memcg),
+	TP_ARGS(memcg));
+DECLARE_HOOK(android_vh_mem_cgroup_css_online,
+	TP_PROTO(struct cgroup_subsys_state *css, struct mem_cgroup *memcg),
+	TP_ARGS(css, memcg));
+DECLARE_HOOK(android_vh_mem_cgroup_css_offline,
+	TP_PROTO(struct cgroup_subsys_state *css, struct mem_cgroup *memcg),
+	TP_ARGS(css, memcg));
+/* macro versions of hooks are no longer required */
+
+#endif /* _TRACE_HOOK_MM_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>
+
+#endif /* PROTECT_TRACE_INCLUDE_PATH */

include/trace/hooks/vmscan.h

@@ -0,0 +1,24 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM vmscan
+
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_VMSCAN_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_VMSCAN_H
+
+#include <linux/tracepoint.h>
+#include <trace/hooks/vendor_hooks.h>
+
+DECLARE_HOOK(android_vh_tune_scan_type,
+	TP_PROTO(char *scan_type),
+	TP_ARGS(scan_type));
+DECLARE_HOOK(android_vh_tune_swappiness,
+	TP_PROTO(int *swappiness),
+	TP_ARGS(swappiness));
+DECLARE_HOOK(android_vh_tune_inactive_ratio,
+	TP_PROTO(unsigned long *inactive_ratio, int file),
+	TP_ARGS(inactive_ratio, file))
+#endif /* _TRACE_HOOK_VMSCAN_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>

mm/memcontrol.c

@@ -67,6 +67,7 @@
 #include <linux/uaccess.h>
 
 #include <trace/events/vmscan.h>
+#include <trace/hooks/mm.h>
 
 struct cgroup_subsys memory_cgrp_subsys __read_mostly;
 EXPORT_SYMBOL(memory_cgrp_subsys);
@@ -5005,6 +5006,7 @@ static DEFINE_IDR(mem_cgroup_idr);
 static void mem_cgroup_id_remove(struct mem_cgroup *memcg)
 {
 	if (memcg->id.id > 0) {
+		trace_android_vh_mem_cgroup_id_remove(memcg);
 		idr_remove(&mem_cgroup_idr, memcg->id.id);
 		memcg->id.id = 0;
 	}
@@ -5098,6 +5100,7 @@ static void __mem_cgroup_free(struct mem_cgroup *memcg)
 {
 	int node;
 
+	trace_android_vh_mem_cgroup_free(memcg);
 	for_each_node(node)
 		free_mem_cgroup_per_node_info(memcg, node);
 	free_percpu(memcg->vmstats_percpu);
@@ -5179,6 +5182,7 @@ static struct mem_cgroup *mem_cgroup_alloc(void)
 	memcg->deferred_split_queue.split_queue_len = 0;
 #endif
 	idr_replace(&mem_cgroup_idr, memcg, memcg->id.id);
+	trace_android_vh_mem_cgroup_alloc(memcg);
 	return memcg;
 fail:
 	mem_cgroup_id_remove(memcg);
@@ -5265,6 +5269,7 @@ static int mem_cgroup_css_online(struct cgroup_subsys_state *css)
 	/* Online state pins memcg ID, memcg ID pins CSS */
 	refcount_set(&memcg->id.ref, 1);
 	css_get(css);
+	trace_android_vh_mem_cgroup_css_online(css, memcg);
 	return 0;
 }
 
@@ -5273,6 +5278,7 @@ static void mem_cgroup_css_offline(struct cgroup_subsys_state *css)
 	struct mem_cgroup *memcg = mem_cgroup_from_css(css);
 	struct mem_cgroup_event *event, *tmp;
 
+	trace_android_vh_mem_cgroup_css_offline(css, memcg);
 	/*
 	 * Unregister events and notify userspace.
 	 * Notify userspace about cgroup removing only after rmdir of cgroup

mm/page_alloc.c

@@ -70,6 +70,7 @@
 #include <linux/nmi.h>
 #include <linux/psi.h>
 #include <linux/khugepaged.h>
+#include <trace/hooks/mm.h>
 
 #include <asm/sections.h>
 #include <asm/tlbflush.h>
@@ -3414,6 +3415,8 @@ struct page *rmqueue(struct zone *preferred_zone,
 
 	__count_zid_vm_events(PGALLOC, page_zonenum(page), 1 << order);
 	zone_statistics(preferred_zone, zone);
+	trace_android_vh_rmqueue(preferred_zone, zone, order,
+			gfp_flags, alloc_flags, migratetype);
 	local_irq_restore(flags);
 
 out:

mm/vmscan.c

@@ -63,6 +63,9 @@
 #define CREATE_TRACE_POINTS
 #include <trace/events/vmscan.h>
 
+#undef CREATE_TRACE_POINTS
+#include <trace/hooks/vmscan.h>
+
 struct scan_control {
 	/* How many pages shrink_list() should reclaim */
 	unsigned long nr_to_reclaim;
@@ -2341,6 +2344,8 @@ static bool inactive_list_is_low(struct lruvec *lruvec, bool file,
 			lruvec_lru_size(lruvec, active_lru, MAX_NR_ZONES), active,
 			inactive_ratio, file);
 
+	trace_android_vh_tune_inactive_ratio(&inactive_ratio, is_file_lru(inactive_lru));
+
 	return inactive * inactive_ratio < active;
 }
 
@@ -2393,6 +2398,7 @@ static void get_scan_count(struct lruvec *lruvec, struct mem_cgroup *memcg,
 		goto out;
 	}
 
+	trace_android_vh_tune_swappiness(&swappiness);
 	/*
 	 * Global reclaim will swap to prevent OOM even with no
 	 * swappiness, but memcg users want to use this knob to
@@ -2526,6 +2532,7 @@ static void get_scan_count(struct lruvec *lruvec, struct mem_cgroup *memcg,
 	fraction[1] = fp;
 	denominator = ap + fp + 1;
 out:
+	trace_android_vh_tune_scan_type((char *)(&scan_balance));
 	*lru_pages = 0;
 	for_each_evictable_lru(lru) {
 		int file = is_file_lru(lru);