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");
17 namespace simgrid::kernel::actor {
19 ActivityTestanySimcall::ActivityTestanySimcall(ActorImpl* actor, const std::vector<activity::ActivityImpl*>& activities)
20 : ResultingSimcall(actor, -1), activities_(activities)
24 int ActivityTestanySimcall::get_max_consider()
27 // list all the activities that are ready
28 for (unsigned i = 0; i < activities_.size(); i++)
29 if (activities_[i]->test(get_issuer()))
30 indexes_.push_back(i);
31 return indexes_.size() + 1;
34 void ActivityTestanySimcall::prepare(int times_considered)
36 if (times_considered < static_cast<int>(indexes_.size()))
37 next_value_ = indexes_.at(times_considered);
41 static void serialize_activity_test(const activity::ActivityImpl* act, std::stringstream& stream)
43 if (auto* comm = dynamic_cast<activity::CommImpl const*>(act)) {
44 stream << " " << (short)mc::Transition::Type::COMM_TEST;
45 stream << ' ' << (uintptr_t)comm;
46 stream << ' ' << (comm->src_actor_ != nullptr ? comm->src_actor_->get_pid() : -1);
47 stream << ' ' << (comm->dst_actor_ != nullptr ? comm->dst_actor_->get_pid() : -1);
48 stream << ' ' << comm->get_mailbox_id();
49 stream << ' ' << (uintptr_t)comm->src_buff_ << ' ' << (uintptr_t)comm->dst_buff_ << ' ' << comm->src_buff_size_;
51 stream << (short)mc::Transition::Type::UNKNOWN;
54 void ActivityTestanySimcall::serialize(std::stringstream& stream) const
56 stream << (short)mc::Transition::Type::TESTANY << ' ' << activities_.size() << ' ';
57 for (auto const& act : activities_) {
58 serialize_activity_test(act, stream);
62 void ActivityTestSimcall::serialize(std::stringstream& stream) const
64 serialize_activity_test(activity_, stream);
66 static void serialize_activity_wait(const activity::ActivityImpl* act, bool timeout, std::stringstream& stream)
68 if (auto* comm = dynamic_cast<activity::CommImpl const*>(act)) {
69 stream << (short)mc::Transition::Type::COMM_WAIT << ' ';
70 stream << timeout << ' ' << (uintptr_t)comm;
72 stream << ' ' << (comm->src_actor_ != nullptr ? comm->src_actor_->get_pid() : -1);
73 stream << ' ' << (comm->dst_actor_ != nullptr ? comm->dst_actor_->get_pid() : -1);
74 stream << ' ' << comm->get_mailbox_id();
75 stream << ' ' << (uintptr_t)comm->src_buff_ << ' ' << (uintptr_t)comm->dst_buff_ << ' ' << comm->src_buff_size_;
77 stream << (short)mc::Transition::Type::UNKNOWN;
81 void ActivityWaitSimcall::serialize(std::stringstream& stream) const
83 serialize_activity_wait(activity_, timeout_ > 0, stream);
85 void ActivityWaitanySimcall::serialize(std::stringstream& stream) const
87 stream << (short)mc::Transition::Type::WAITANY << ' ' << activities_.size() << ' ';
88 for (auto const& act : activities_) {
89 serialize_activity_wait(act, timeout_ > 0, stream);
93 ActivityWaitanySimcall::ActivityWaitanySimcall(ActorImpl* actor, const std::vector<activity::ActivityImpl*>& activities,
95 : ResultingSimcall(actor, -1), activities_(activities), timeout_(timeout)
99 bool ActivityWaitSimcall::is_enabled()
101 // FIXME: if _sg_mc_timeout == 1 and if we have either a sender or receiver timeout, the transition is enabled
102 // because even if the communication is not ready, it can timeout and won't block.
104 return activity_->test(get_issuer());
107 bool ActivityWaitanySimcall::is_enabled()
109 // list all the activities that are ready
111 for (unsigned i = 0; i < activities_.size(); i++)
112 if (activities_[i]->test(get_issuer()))
113 indexes_.push_back(i);
115 // if (_sg_mc_timeout && timeout_) FIXME: deal with the potential timeout of the WaitAny
117 // FIXME: even if the WaitAny has no timeout, some of the activities may still have one.
118 // we should iterate over the vector searching for them
119 return not indexes_.empty();
122 int ActivityWaitanySimcall::get_max_consider()
124 // list all the activities that are ready
126 for (unsigned i = 0; i < activities_.size(); i++)
127 if (activities_[i]->test(get_issuer()))
128 indexes_.push_back(i);
130 int res = indexes_.size();
131 // if (_sg_mc_timeout && timeout_)
137 void ActivityWaitanySimcall::prepare(int times_considered)
139 if (times_considered < static_cast<int>(indexes_.size()))
140 next_value_ = indexes_.at(times_considered);
145 void CommIsendSimcall::serialize(std::stringstream& stream) const
147 stream << (short)mc::Transition::Type::COMM_SEND << ' ';
148 stream << (uintptr_t)comm_ << ' ' << mbox_->get_id() << ' ' << (uintptr_t)src_buff_ << ' ' << src_buff_size_ << ' '
150 XBT_DEBUG("SendObserver comm:%p mbox:%u buff:%p size:%zu tag:%d", comm_, mbox_->get_id(), src_buff_, src_buff_size_,
154 void CommIrecvSimcall::serialize(std::stringstream& stream) const
156 stream << (short)mc::Transition::Type::COMM_RECV << ' ';
157 stream << (uintptr_t)comm_ << ' ' << mbox_->get_id() << ' ' << (uintptr_t)dst_buff_ << ' ' << tag_;
158 XBT_DEBUG("RecvObserver comm:%p mbox:%u buff:%p tag:%d", comm_, mbox_->get_id(), dst_buff_, tag_);
161 } // namespace simgrid::kernel::actor