a2ca8408de
For modifying load balance policy, we add the hook on find_busiest_group(). It allows us to modify load balance paths. Bug: 168248326 Signed-off-by: YT Chang <yt.chang@mediatek.com> Change-Id: I77ec043576139806551b978eb1bdf9f637442dfb
92 lines
3.4 KiB
C
92 lines
3.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#undef TRACE_SYSTEM
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#define TRACE_SYSTEM sched
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#define TRACE_INCLUDE_PATH trace/hooks
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#if !defined(_TRACE_HOOK_SCHED_H) || defined(TRACE_HEADER_MULTI_READ)
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#define _TRACE_HOOK_SCHED_H
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#include <linux/tracepoint.h>
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#include <trace/hooks/vendor_hooks.h>
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/*
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* Following tracepoints are not exported in tracefs and provide a
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* mechanism for vendor modules to hook and extend functionality
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*/
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#if defined(CONFIG_TRACEPOINTS) && defined(CONFIG_ANDROID_VENDOR_HOOKS)
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struct task_struct;
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DECLARE_RESTRICTED_HOOK(android_rvh_select_task_rq_fair,
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TP_PROTO(struct task_struct *p, int prev_cpu, int sd_flag, int wake_flags, int *new_cpu),
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TP_ARGS(p, prev_cpu, sd_flag, wake_flags, new_cpu), 1);
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DECLARE_RESTRICTED_HOOK(android_rvh_select_task_rq_rt,
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TP_PROTO(struct task_struct *p, int prev_cpu, int sd_flag, int wake_flags, int *new_cpu),
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TP_ARGS(p, prev_cpu, sd_flag, wake_flags, new_cpu), 1);
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DECLARE_RESTRICTED_HOOK(android_rvh_select_fallback_rq,
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TP_PROTO(int cpu, struct task_struct *p, int *new_cpu),
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TP_ARGS(cpu, p, new_cpu), 1);
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struct rq;
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DECLARE_HOOK(android_vh_scheduler_tick,
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TP_PROTO(struct rq *rq),
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TP_ARGS(rq));
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DECLARE_RESTRICTED_HOOK(android_rvh_enqueue_task,
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TP_PROTO(struct rq *rq, struct task_struct *p),
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TP_ARGS(rq, p), 1);
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DECLARE_RESTRICTED_HOOK(android_rvh_dequeue_task,
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TP_PROTO(struct rq *rq, struct task_struct *p),
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TP_ARGS(rq, p), 1);
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DECLARE_RESTRICTED_HOOK(android_rvh_can_migrate_task,
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TP_PROTO(struct task_struct *p, int dst_cpu, int *can_migrate),
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TP_ARGS(p, dst_cpu, can_migrate), 1);
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DECLARE_RESTRICTED_HOOK(android_rvh_find_lowest_rq,
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TP_PROTO(struct task_struct *p, struct cpumask *local_cpu_mask,
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int *lowest_cpu),
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TP_ARGS(p, local_cpu_mask, lowest_cpu), 1);
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DECLARE_RESTRICTED_HOOK(android_rvh_prepare_prio_fork,
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TP_PROTO(struct task_struct *p),
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TP_ARGS(p), 1);
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DECLARE_RESTRICTED_HOOK(android_rvh_finish_prio_fork,
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TP_PROTO(struct task_struct *p),
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TP_ARGS(p), 1);
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DECLARE_RESTRICTED_HOOK(android_rvh_rtmutex_prepare_setprio,
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TP_PROTO(struct task_struct *p, struct task_struct *pi_task),
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TP_ARGS(p, pi_task), 1);
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DECLARE_RESTRICTED_HOOK(android_rvh_set_user_nice,
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TP_PROTO(struct task_struct *p, long *nice),
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TP_ARGS(p, nice), 1);
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DECLARE_RESTRICTED_HOOK(android_rvh_setscheduler,
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TP_PROTO(struct task_struct *p),
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TP_ARGS(p), 1);
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struct sched_group;
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DECLARE_RESTRICTED_HOOK(android_rvh_find_busiest_group,
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TP_PROTO(struct sched_group *busiest, struct rq *dst_rq, int *out_balance),
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TP_ARGS(busiest, dst_rq, out_balance), 1);
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#else
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#define trace_android_rvh_select_task_rq_fair(p, prev_cpu, sd_flag, wake_flags, new_cpu)
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#define trace_android_rvh_select_task_rq_rt(p, prev_cpu, sd_flag, wake_flags, new_cpu)
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#define trace_android_rvh_select_fallback_rq(cpu, p, dest_cpu)
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#define trace_android_vh_scheduler_tick(rq)
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#define trace_android_rvh_enqueue_task(rq, p)
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#define trace_android_rvh_dequeue_task(rq, p)
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#define trace_android_rvh_can_migrate_task(p, dst_cpu, can_migrate)
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#define trace_android_rvh_find_lowest_rq(p, local_cpu_mask, lowest_cpu)
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#define trace_android_rvh_prepare_prio_fork(p)
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#define trace_android_rvh_finish_prio_fork(p)
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#define trace_android_rvh_rtmutex_prepare_setprio(p, pi_task)
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#define trace_android_rvh_set_user_nice(p, nice)
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#define trace_android_rvh_setscheduler(p)
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#define trace_android_rvh_find_busiest_group(busiest, dst_rq, out_balance)
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#endif
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#endif /* _TRACE_HOOK_SCHED_H */
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/* This part must be outside protection */
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#include <trace/define_trace.h>
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