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Added per-pass cpu usage statistics

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This commit is contained in:
Clifford Wolf 2014-08-01 18:42:10 +02:00
parent d13eb7e099
commit 1e224506be
4 changed files with 86 additions and 12 deletions
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42
kernel/register.cc
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@ -29,6 +29,7 @@ YOSYS_NAMESPACE_BEGIN
bool echo_mode = false;
Pass *first_queued_pass;
Pass *current_pass;
std::map<std::string, Frontend*> frontend_register;
std::map<std::string, Pass*> pass_register;
@ -41,6 +42,7 @@ Pass::Pass(std::string name, std::string short_help) : pass_name(name), short_he
next_queued_pass = first_queued_pass;
first_queued_pass = this;
call_counter = 0;
runtime_ns = 0;
}
void Pass::run_register()
@ -69,6 +71,25 @@ Pass::~Pass()
{
}
Pass::pre_post_exec_state_t Pass::pre_execute()
{
pre_post_exec_state_t state;
call_counter++;
state.begin_ns = PerformanceTimer::query();
state.parent_pass = current_pass;
current_pass = this;
return state;
}
void Pass::post_execute(Pass::pre_post_exec_state_t state)
{
int64_t time_ns = PerformanceTimer::query() - state.begin_ns;
runtime_ns += time_ns;
current_pass = state.parent_pass;
if (current_pass)
current_pass->runtime_ns -= time_ns;
}
void Pass::help()
{
log("\n");
@ -183,8 +204,9 @@ void Pass::call(RTLIL::Design *design, std::vector<std::string> args)
log_cmd_error("No such command: %s (type 'help' for a command overview)\n", args[0].c_str());
size_t orig_sel_stack_pos = design->selection_stack.size();
pass_register[args[0]]->call_counter++;
auto state = pass_register[args[0]]->pre_execute();
pass_register[args[0]]->execute(args, design);
pass_register[args[0]]->post_execute(state);
while (design->selection_stack.size() > orig_sel_stack_pos)
design->selection_stack.pop_back();
@ -266,8 +288,9 @@ void Frontend::execute(std::vector<std::string> args, RTLIL::Design *design)
do {
FILE *f = NULL;
next_args.clear();
call_counter++;
auto state = pre_execute();
execute(f, std::string(), args, design);
post_execute(state);
args = next_args;
fclose(f);
} while (!args.empty());
@ -359,12 +382,14 @@ void Frontend::frontend_call(RTLIL::Design *design, FILE *f, std::string filenam
log_cmd_error("No such frontend: %s\n", args[0].c_str());
if (f != NULL) {
frontend_register[args[0]]->call_counter++;
auto state = frontend_register[args[0]]->pre_execute();
frontend_register[args[0]]->execute(f, filename, args, design);
frontend_register[args[0]]->post_execute(state);
} else if (filename == "-") {
FILE *f_stdin = stdin; // workaround for OpenBSD 'stdin' implementation
frontend_register[args[0]]->call_counter++;
auto state = frontend_register[args[0]]->pre_execute();
frontend_register[args[0]]->execute(f_stdin, "<stdin>", args, design);
frontend_register[args[0]]->post_execute(state);
} else {
if (!filename.empty())
args.push_back(filename);
@ -396,8 +421,9 @@ Backend::~Backend()
void Backend::execute(std::vector<std::string> args, RTLIL::Design *design)
{
FILE *f = NULL;
call_counter++;
auto state = pre_execute();
execute(f, std::string(), args, design);
post_execute(state);
if (f != stdout)
fclose(f);
}
@ -458,12 +484,14 @@ void Backend::backend_call(RTLIL::Design *design, FILE *f, std::string filename,
size_t orig_sel_stack_pos = design->selection_stack.size();
if (f != NULL) {
backend_register[args[0]]->call_counter++;
auto state = backend_register[args[0]]->pre_execute();
backend_register[args[0]]->execute(f, filename, args, design);
backend_register[args[0]]->post_execute(state);
} else if (filename == "-") {
FILE *f_stdout = stdout; // workaround for OpenBSD 'stdout' implementation
backend_register[args[0]]->call_counter++;
auto state = backend_register[args[0]]->pre_execute();
backend_register[args[0]]->execute(f_stdout, "<stdout>", args, design);
backend_register[args[0]]->post_execute(state);
} else {
if (!filename.empty())
args.push_back(filename);