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1 /* |
1 /* |
2 * Copyright (c) 2006, 2019, Oracle and/or its affiliates. All rights reserved. |
2 * Copyright (c) 2006, 2018, Oracle and/or its affiliates. All rights reserved. |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * |
4 * |
5 * This code is free software; you can redistribute it and/or modify it |
5 * This code is free software; you can redistribute it and/or modify it |
6 * under the terms of the GNU General Public License version 2 only, as |
6 * under the terms of the GNU General Public License version 2 only, as |
7 * published by the Free Software Foundation. |
7 * published by the Free Software Foundation. |
31 #include "runtime/vmOperations.hpp" |
31 #include "runtime/vmOperations.hpp" |
32 #include "services/dtraceAttacher.hpp" |
32 #include "services/dtraceAttacher.hpp" |
33 |
33 |
34 #ifdef SOLARIS |
34 #ifdef SOLARIS |
35 |
35 |
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36 class VM_DeoptimizeTheWorld : public VM_Operation { |
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37 public: |
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38 VMOp_Type type() const { |
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39 return VMOp_DeoptimizeTheWorld; |
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40 } |
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41 void doit() { |
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42 CodeCache::mark_all_nmethods_for_deoptimization(); |
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43 ResourceMark rm; |
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44 DeoptimizationMarker dm; |
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45 // Deoptimize all activations depending on marked methods |
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46 Deoptimization::deoptimize_dependents(); |
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47 |
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48 // Mark the dependent methods non entrant |
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49 CodeCache::make_marked_nmethods_not_entrant(); |
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50 } |
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51 }; |
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52 |
36 static void set_bool_flag(const char* flag, bool value) { |
53 static void set_bool_flag(const char* flag, bool value) { |
37 JVMFlag::boolAtPut((char*)flag, strlen(flag), &value, |
54 JVMFlag::boolAtPut((char*)flag, strlen(flag), &value, |
38 JVMFlag::ATTACH_ON_DEMAND); |
55 JVMFlag::ATTACH_ON_DEMAND); |
39 } |
56 } |
40 |
57 |
55 changed = true; |
72 changed = true; |
56 } |
73 } |
57 |
74 |
58 if (changed) { |
75 if (changed) { |
59 // one or more flags changed, need to deoptimize |
76 // one or more flags changed, need to deoptimize |
60 CodeCache::mark_all_nmethods_for_deoptimization(); |
77 VM_DeoptimizeTheWorld op; |
61 Deoptimization::deoptimize_all_marked(); |
78 VMThread::execute(&op); |
62 } |
79 } |
63 } |
80 } |
64 |
81 |
65 // Disable only the "fine grained" flags. Do *not* touch |
82 // Disable only the "fine grained" flags. Do *not* touch |
66 // the overall "ExtendedDTraceProbes" flag. |
83 // the overall "ExtendedDTraceProbes" flag. |
78 set_bool_flag("DTraceMonitorProbes", false); |
95 set_bool_flag("DTraceMonitorProbes", false); |
79 changed = true; |
96 changed = true; |
80 } |
97 } |
81 if (changed) { |
98 if (changed) { |
82 // one or more flags changed, need to deoptimize |
99 // one or more flags changed, need to deoptimize |
83 CodeCache::mark_all_nmethods_for_deoptimization(); |
100 VM_DeoptimizeTheWorld op; |
84 Deoptimization::deoptimize_all_marked(); |
101 VMThread::execute(&op); |
85 } |
102 } |
86 } |
103 } |
87 |
104 |
88 // Do clean-up on "all door clients detached" event. |
105 // Do clean-up on "all door clients detached" event. |
89 void DTrace::detach_all_clients() { |
106 void DTrace::detach_all_clients() { |