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Shm: Provide segment/msg debug infos

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This commit is contained in:
Alexey Rybalchenko
2020-08-07 16:29:53 +02:00
parent fe9b87e4e2
commit 70a583d08d
6 changed files with 129 additions and 4 deletions
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51
fairmq/shmem/Monitor.cxx
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@@ -225,6 +225,9 @@ void Monitor::Interactive()
case '\n':
cout << "\n[\\n] --> invalid input." << endl;
break;
case 'b':
PrintDebug(ShmId{fShmId});
break;
default:
cout << "\n[" << c << "] --> invalid input." << endl;
break;
@@ -284,12 +287,17 @@ void Monitor::CheckSegment()
fSeenOnce = true;
unsigned int numDevices = 0;
unsigned int numMessages = 0;
if (fInteractive || fViewOnly) {
DeviceCounter* dc = managementSegment.find<DeviceCounter>(bipc::unique_instance).first;
if (dc) {
numDevices = dc->fCount;
}
MsgCounter* mc = managementSegment.find<MsgCounter>(bipc::unique_instance).first;
if (mc) {
numMessages = mc->fCount;
}
}
auto now = chrono::high_resolution_clock::now();
@@ -311,17 +319,27 @@ void Monitor::CheckSegment()
<< setw(10) << segment.get_size() << " | "
<< setw(10) << segment.get_free_memory() << " | "
<< setw(8) << numDevices << " | "
<< setw(8) << numMessages << " | "
<< setw(10) << (fViewOnly ? "view only" : to_string(duration)) << " |"
<< c << flush;
} else if (fViewOnly) {
size_t free = segment.get_free_memory();
size_t total = segment.get_size();
size_t used = total - free;
// size_t mfree = managementSegment.get_free_memory();
// size_t mtotal = managementSegment.get_size();
// size_t mused = mtotal - mfree;
LOGV(info, user1) << "[" << fSegmentName
<< "] devices: " << numDevices
<< ", total: " << total
<< ", msgs: " << numMessages
<< ", free: " << free
<< ", used: " << used;
// << "\n "
// << "[" << fManagementSegmentName
// << "] total: " << mtotal
// << ", free: " << mfree
// << ", used: " << mused;
}
} catch (bie&) {
fHeartbeatTriggered = false;
@@ -331,6 +349,7 @@ void Monitor::CheckSegment()
<< setw(10) << "-" << " | "
<< setw(10) << "-" << " | "
<< setw(8) << "-" << " | "
<< setw(8) << "-" << " | "
<< setw(10) << "-" << " |"
<< c << flush;
}
@@ -356,6 +375,35 @@ void Monitor::CheckSegment()
}
}
void Monitor::PrintDebug(const ShmId& shmId)
{
string managementSegmentName("fmq_" + shmId.shmId + "_mng");
try {
bipc::managed_shared_memory managementSegment(bipc::open_only, managementSegmentName.c_str());
boost::interprocess::named_mutex mtx(boost::interprocess::open_only, std::string("fmq_" + shmId.shmId + "_mtx").c_str());
boost::interprocess::scoped_lock<bipc::named_mutex> lock(mtx);
Uint64MsgDebugMap* debug = managementSegment.find<Uint64MsgDebugMap>(bipc::unique_instance).first;
cout << endl << "found " << debug->size() << " message(s):" << endl;
for (const auto& e : *debug) {
using time_point = std::chrono::system_clock::time_point;
time_point tmpt{std::chrono::duration_cast<time_point::duration>(std::chrono::nanoseconds(e.second.fCreationTime))};
std::time_t t = std::chrono::system_clock::to_time_t(tmpt);
uint64_t ms = e.second.fCreationTime % 1000000;
auto tm = localtime(&t);
cout << "offset: " << setw(12) << setfill(' ') << e.first
<< ", size: " << setw(10) << setfill(' ') << e.second.fSize
<< ", creator PID: " << e.second.fPid << setfill('0')
<< ", at: " << setw(2) << tm->tm_hour << ":" << setw(2) << tm->tm_min << ":" << setw(2) << tm->tm_sec << "." << setw(6) << ms << endl;
}
cout << setfill(' ');
} catch (bie&) {
cout << "no segment found" << endl;
}
}
void Monitor::PrintQueues()
{
cout << '\n';
@@ -401,13 +449,14 @@ void Monitor::PrintHeader()
<< setw(10) << "size" << " | "
<< setw(10) << "free" << " | "
<< setw(8) << "devices" << " | "
<< setw(8) << "msgs" << " | "
<< setw(10) << "last hb" << " |"
<< endl;
}
void Monitor::PrintHelp()
{
cout << "controls: [x] close memory, [p] print queues, [h] help, [q] quit." << endl;
cout << "controls: [x] close memory, [p] print queues, [] print a list of allocated messages, [h] help, [q] quit." << endl;
}
void Monitor::RemoveObject(const string& name)