Provide SDT_PROBES_ENABLED macro.
Sponsored by: The FreeBSD Foundation
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parent
3c76ace36b
commit
13a45e4b14
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=341720
@ -431,7 +431,7 @@ mi_switch(int flags, struct thread *newtd)
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CTR4(KTR_PROC, "mi_switch: old thread %ld (td_sched %p, pid %ld, %s)",
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td->td_tid, td_get_sched(td), td->td_proc->p_pid, td->td_name);
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#ifdef KDTRACE_HOOKS
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if (__predict_false(sdt_probes_enabled) &&
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if (SDT_PROBES_ENABLED() &&
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((flags & SW_PREEMPT) != 0 || ((flags & SW_INVOL) != 0 &&
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(flags & SW_TYPE_MASK) == SWT_NEEDRESCHED)))
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SDT_PROBE0(sched, , , preempt);
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@ -164,8 +164,10 @@ SET_DECLARE(sdt_argtypes_set, struct sdt_argtype);
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#define SDT_PROBE_DECLARE(prov, mod, func, name) \
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extern struct sdt_probe sdt_##prov##_##mod##_##func##_##name[1]
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#define SDT_PROBES_ENABLED() __predict_false(sdt_probes_enabled)
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#define SDT_PROBE(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4) do { \
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if (__predict_false(sdt_probes_enabled)) { \
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if (SDT_PROBES_ENABLED()) { \
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if (__predict_false(sdt_##prov##_##mod##_##func##_##name->id)) \
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(*sdt_probe_func)(sdt_##prov##_##mod##_##func##_##name->id, \
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(uintptr_t) arg0, (uintptr_t) arg1, (uintptr_t) arg2, \
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