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example_calltree: Add a -t threadid argument #13

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May 16, 2022
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example_calltree: Add a -t threadid argument #13

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49 changes: 46 additions & 3 deletions example_calltree/main.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -218,8 +218,9 @@ int main(int argc, char* argv[]) {
printf("Usage:\n");
printf("%s [options] trace\n", argv[0]);
printf("Options:\n");
printf("-b\tStarting position, as 1234:56\n");
printf("-e\tEnding position, as 1234:56\n");
printf("-b\tStarting position, as 1234:56. If not set, use the first position\n");
printf("-e\tEnding position, as 1234:56. If not set, use the last position\n");
printf("-t\tThread ID to trace, as 1df4. Use '-t list' to list them. If not set, use the one from position\n");
return 0;
}

Expand All @@ -240,16 +241,57 @@ int main(int argc, char* argv[]) {
exit(-1);
}

char* tid_arg = getCmdOption(argv, argv + argc, "-t");
TTD::Position tid_pos;
unsigned __int64 tid;
if (tid_arg) {
auto threadCreate = ttdengine.GetThreadCreatedEvents();
auto itThreadCreate = threadCreate.begin();
if (!strncmp(tid_arg, "list", 4)) {
// Print the list of Thread ID and exit
while (itThreadCreate != threadCreate.end()) {
std::wcout << "Thread ID " << std::hex << itThreadCreate->info->threadid << " starting at " << std::hex << itThreadCreate->pos.Major << ":" << std::hex << itThreadCreate->pos.Minor << std::endl;
itThreadCreate++;
}
exit(0);
}

bool found = FALSE;
sscanf_s(tid_arg, "%llx", &tid);
// Get the first position
while (itThreadCreate != threadCreate.end()) {
if (itThreadCreate->info->threadid == tid) {
found = TRUE;
tid_pos.Major = itThreadCreate->pos.Major;
tid_pos.Minor = itThreadCreate->pos.Minor;
break;
}
itThreadCreate++;
}
if (!found) {
std::wcerr << "Thread ID " << std::hex << tid << " not found. Use -t list to list them." << std::endl;
exit(-1);
}
}

// Cursor needed before symbol resolution, to fetch PDB information from trace memory
TTD::Cursor ttdcursor = ttdengine.NewCursor();
TTD::Position* first = ttdengine.GetFirstPosition();
TTD::Position* last = ttdengine.GetLastPosition();
char* begin_arg = getCmdOption(argv, argv + argc, "-b");
if (begin_arg) {
if (tid_arg) {
std::wcerr << "-t and -b cannot be used together" << std::endl;
exit(-1);
}
unsigned __int64 Major, Minor;
sscanf_s(begin_arg, "%llx:%llx", &Major, &Minor);
ttdcursor.SetPosition(Major, Minor);
}
else if (tid_arg) {
first = &tid_pos;
ttdcursor.SetPosition(first);
}
else {
ttdcursor.SetPosition(first);
}
Expand Down Expand Up @@ -306,5 +348,6 @@ int main(int argc, char* argv[]) {
ttdcursor.SetCallReturnCallback((TTD::PROC_CallCallback) callCallback_tree, 0);

ttdcursor.ReplayForward(&replayrez, &end, -1);
printf("\nTotal instruction executed: 0x%llx\n", replayrez.stepCount);
return 0;
}
}