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)
54 lines
1.7 KiB
C
54 lines
1.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#undef TRACE_SYSTEM
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#define TRACE_SYSTEM dtask
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#define TRACE_INCLUDE_PATH trace/hooks
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#if !defined(_TRACE_HOOK_DTASK_H) || defined(TRACE_HEADER_MULTI_READ)
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#define _TRACE_HOOK_DTASK_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 mutex;
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DECLARE_HOOK(android_vh_mutex_wait_start,
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TP_PROTO(struct mutex *lock),
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TP_ARGS(lock));
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DECLARE_HOOK(android_vh_mutex_wait_finish,
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TP_PROTO(struct mutex *lock),
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TP_ARGS(lock));
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struct rw_semaphore;
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DECLARE_HOOK(android_vh_rwsem_read_wait_start,
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TP_PROTO(struct rw_semaphore *sem),
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TP_ARGS(sem));
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DECLARE_HOOK(android_vh_rwsem_read_wait_finish,
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TP_PROTO(struct rw_semaphore *sem),
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TP_ARGS(sem));
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DECLARE_HOOK(android_vh_rwsem_write_wait_start,
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TP_PROTO(struct rw_semaphore *sem),
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TP_ARGS(sem));
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DECLARE_HOOK(android_vh_rwsem_write_wait_finish,
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TP_PROTO(struct rw_semaphore *sem),
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TP_ARGS(sem));
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struct task_struct;
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DECLARE_HOOK(android_vh_sched_show_task,
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TP_PROTO(struct task_struct *task),
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TP_ARGS(task));
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#else
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#define trace_android_vh_mutex_wait_start(lock)
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#define trace_android_vh_mutex_wait_finish(lock)
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#define trace_android_vh_rwsem_read_wait_start(sem)
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#define trace_android_vh_rwsem_read_wait_finish(sem)
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#define trace_android_vh_rwsem_write_wait_start(sem)
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#define trace_android_vh_rwsem_write_wait_finish(sem)
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#define trace_android_vh_sched_show_task(task)
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#endif
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#endif /* _TRACE_HOOK_DTASK_H */
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/* This part must be outside protection */
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#include <trace/define_trace.h>
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