1 /* Copyright (c) 2019-2022. The SimGrid Team. All rights reserved. */
3 /* This program is free software; you can redistribute it and/or modify it
4 * under the terms of the license (GNU LGPL) which comes with this package. */
6 #include "simgrid/s4u/Host.hpp"
7 #include "src/kernel/activity/CommImpl.hpp"
8 #include "src/kernel/activity/MailboxImpl.hpp"
9 #include "src/kernel/actor/ActorImpl.hpp"
10 #include "src/kernel/actor/SimcallObserver.hpp"
11 #include "src/mc/mc_config.hpp"
15 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(obs_comm, mc_observer, "Logging specific to the Communication simcalls observation");
21 ActivityTestanySimcall::ActivityTestanySimcall(ActorImpl* actor, const std::vector<activity::ActivityImpl*>& activities)
22 : ResultingSimcall(actor, -1), activities_(activities)
26 int ActivityTestanySimcall::get_max_consider()
29 // list all the activities that are ready
30 for (unsigned i = 0; i < activities_.size(); i++)
31 if (activities_[i]->test(get_issuer()))
32 indexes_.push_back(i);
33 return indexes_.size() + 1;
36 void ActivityTestanySimcall::prepare(int times_considered)
38 if (times_considered < static_cast<int>(indexes_.size()))
39 next_value_ = indexes_.at(times_considered);
43 static void serialize_activity_test(const activity::ActivityImpl* act, std::stringstream& stream)
45 if (auto* comm = dynamic_cast<activity::CommImpl const*>(act)) {
46 stream << " " << (short)mc::Transition::Type::COMM_TEST;
47 stream << ' ' << (uintptr_t)comm;
48 stream << ' ' << (comm->src_actor_ != nullptr ? comm->src_actor_->get_pid() : -1);
49 stream << ' ' << (comm->dst_actor_ != nullptr ? comm->dst_actor_->get_pid() : -1);
50 stream << ' ' << comm->get_mailbox_id();
51 stream << ' ' << (uintptr_t)comm->src_buff_ << ' ' << (uintptr_t)comm->dst_buff_ << ' ' << comm->src_buff_size_;
53 stream << (short)mc::Transition::Type::UNKNOWN;
56 void ActivityTestanySimcall::serialize(std::stringstream& stream) const
58 stream << (short)mc::Transition::Type::TESTANY << ' ' << activities_.size() << ' ';
59 for (auto const& act : activities_) {
60 serialize_activity_test(act, stream);
64 void ActivityTestSimcall::serialize(std::stringstream& stream) const
66 serialize_activity_test(activity_, stream);
68 static void serialize_activity_wait(const activity::ActivityImpl* act, bool timeout, std::stringstream& stream)
70 if (auto* comm = dynamic_cast<activity::CommImpl const*>(act)) {
71 stream << (short)mc::Transition::Type::COMM_WAIT << ' ';
72 stream << timeout << ' ' << (uintptr_t)comm;
74 stream << ' ' << (comm->src_actor_ != nullptr ? comm->src_actor_->get_pid() : -1);
75 stream << ' ' << (comm->dst_actor_ != nullptr ? comm->dst_actor_->get_pid() : -1);
76 stream << ' ' << comm->get_mailbox_id();
77 stream << ' ' << (uintptr_t)comm->src_buff_ << ' ' << (uintptr_t)comm->dst_buff_ << ' ' << comm->src_buff_size_;
79 stream << (short)mc::Transition::Type::UNKNOWN;
83 void ActivityWaitSimcall::serialize(std::stringstream& stream) const
85 serialize_activity_wait(activity_, timeout_ > 0, stream);
87 void ActivityWaitanySimcall::serialize(std::stringstream& stream) const
89 stream << (short)mc::Transition::Type::WAITANY << ' ' << activities_.size() << ' ';
90 for (auto const& act : activities_) {
91 serialize_activity_wait(act, timeout_ > 0, stream);
95 ActivityWaitanySimcall::ActivityWaitanySimcall(ActorImpl* actor, const std::vector<activity::ActivityImpl*>& activities,
97 : ResultingSimcall(actor, -1), activities_(activities), timeout_(timeout)
101 bool ActivityWaitSimcall::is_enabled()
103 // FIXME: if _sg_mc_timeout == 1 and if we have either a sender or receiver timeout, the transition is enabled
104 // because even if the communication is not ready, it can timeout and won't block.
106 return activity_->test(get_issuer());
109 bool ActivityWaitanySimcall::is_enabled()
111 // list all the activities that are ready
113 for (unsigned i = 0; i < activities_.size(); i++)
114 if (activities_[i]->test(get_issuer()))
115 indexes_.push_back(i);
117 // if (_sg_mc_timeout && timeout_) FIXME: deal with the potential timeout of the WaitAny
119 // FIXME: even if the WaitAny has no timeout, some of the activities may still have one.
120 // we should iterate over the vector searching for them
121 return not indexes_.empty();
124 int ActivityWaitanySimcall::get_max_consider()
126 // list all the activities that are ready
128 for (unsigned i = 0; i < activities_.size(); i++)
129 if (activities_[i]->test(get_issuer()))
130 indexes_.push_back(i);
132 int res = indexes_.size();
133 // if (_sg_mc_timeout && timeout_)
139 void ActivityWaitanySimcall::prepare(int times_considered)
141 if (times_considered < static_cast<int>(indexes_.size()))
142 next_value_ = indexes_.at(times_considered);
147 void CommIsendSimcall::serialize(std::stringstream& stream) const
149 stream << (short)mc::Transition::Type::COMM_SEND << ' ';
150 stream << (uintptr_t)comm_ << ' ' << mbox_->get_id() << ' ' << (uintptr_t)src_buff_ << ' ' << src_buff_size_ << ' '
152 XBT_DEBUG("SendObserver comm:%p mbox:%u buff:%p size:%zu tag:%d", comm_, mbox_->get_id(), src_buff_, src_buff_size_,
156 void CommIrecvSimcall::serialize(std::stringstream& stream) const
158 stream << (short)mc::Transition::Type::COMM_RECV << ' ';
159 stream << (uintptr_t)comm_ << ' ' << mbox_->get_id() << ' ' << (uintptr_t)dst_buff_ << ' ' << tag_;
160 XBT_DEBUG("RecvObserver comm:%p mbox:%u buff:%p tag:%d", comm_, mbox_->get_id(), dst_buff_, tag_);
164 } // namespace kernel
165 } // namespace simgrid