9ad8ff902e
- Add the hook to get mutex/rwsem information that the tasks
are waiting for.
- Add the hook to print messages for sched_show_task.
- ANDROID_VENDOR_DATA_ARRAY added to task_struct
Bug: 162776704
Signed-off-by: Sangmoon Kim <sangmoon.kim@samsung.com>
Change-Id: Ib436fbd8d0ad509c3b5a73ea8f5170e0761a13fd
(cherry picked from commit b519ac4237)
51 lines
2.2 KiB
C
51 lines
2.2 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/* vendor_hook.c
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*
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* Android Vendor Hook Support
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*
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* Copyright 2020 Google LLC
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*/
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#define CREATE_TRACE_POINTS
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#include <trace/hooks/vendor_hooks.h>
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#include <trace/hooks/sched.h>
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#include <trace/hooks/fpsimd.h>
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#include <trace/hooks/binder.h>
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#include <trace/hooks/rwsem.h>
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#include <trace/hooks/futex.h>
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#include <trace/hooks/dtask.h>
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/*
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* Export tracepoints that act as a bare tracehook (ie: have no trace event
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* associated with them) to allow external modules to probe them.
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*/
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EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_select_task_rq_fair);
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EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_select_task_rq_rt);
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EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_select_fallback_rq);
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EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_scheduler_tick);
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EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_enqueue_task);
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EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_dequeue_task);
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EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_can_migrate_task);
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EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_find_lowest_rq);
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EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_rtmutex_prepare_setprio);
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EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_prepare_prio_fork);
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EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_finish_prio_fork);
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EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_set_user_nice);
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EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_setscheduler);
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EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_is_fpsimd_save);
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EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_binder_transaction_init);
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EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_binder_set_priority);
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EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_binder_restore_priority);
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EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_rwsem_init);
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EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_rwsem_wake);
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EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_rwsem_write_finished);
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EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_alter_rwsem_list_add);
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EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_alter_futex_plist_add);
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EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_mutex_wait_start);
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EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_mutex_wait_finish);
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EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_rwsem_read_wait_start);
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EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_rwsem_read_wait_finish);
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EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_rwsem_write_wait_start);
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EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_rwsem_write_wait_finish);
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EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_sched_show_task);
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