jiayingrui
b62718ba86
This hook is used to apply specific flags/max_active to workqueue. It can solve some priority inversion cases. Bug: 417083554 Change-Id: I7f8faf6652a5e3f12c44e97df0d665a39d2e9540 Signed-off-by: jiayingrui <jiayingrui@oppo.com>
32 lines
1.1 KiB
C
32 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#undef TRACE_SYSTEM
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#define TRACE_SYSTEM wqlockup
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#define TRACE_INCLUDE_PATH trace/hooks
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#if !defined(_TRACE_HOOK_WQLOCKUP_H) || defined(TRACE_HEADER_MULTI_READ)
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#define _TRACE_HOOK_WQLOCKUP_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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DECLARE_RESTRICTED_HOOK(android_rvh_alloc_workqueue,
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TP_PROTO(struct workqueue_struct *wq, unsigned int *flags, int *max_active),
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TP_ARGS(wq, flags, max_active), 1);
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DECLARE_RESTRICTED_HOOK(android_rvh_create_worker,
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TP_PROTO(struct task_struct *p, struct workqueue_attrs *attrs),
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TP_ARGS(p, attrs), 1);
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DECLARE_HOOK(android_vh_wq_lockup_pool,
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TP_PROTO(int cpu, unsigned long pool_ts),
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TP_ARGS(cpu, pool_ts));
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DECLARE_RESTRICTED_HOOK(android_rvh_alloc_and_link_pwqs,
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TP_PROTO(struct workqueue_struct *wq, int *ret, bool *skip),
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TP_ARGS(wq, ret, skip), 1);
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#endif /* _TRACE_HOOK_WQLOCKUP_H */
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/* This part must be outside protection */
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#include <trace/define_trace.h>
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