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Added per-pass cpu usage statistics

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/driver.cc
View File

@ -43,6 +43,7 @@ int main(int argc, char **argv)
bool scriptfile_tcl = false;
bool got_output_filename = false;
bool print_banner = true;
bool print_stats = true;
bool call_abort = false;
int history_offset = 0;
@ -54,7 +55,7 @@ int main(int argc, char **argv)
}
int opt;
while ((opt = getopt(argc, argv, "AQVSm:f:Hh:b:o:p:l:qv:ts:c:")) != -1)
while ((opt = getopt(argc, argv, "AQTVSm:f:Hh:b:o:p:l:qv:ts:c:")) != -1)
{
switch (opt)
{
@ -64,6 +65,9 @@ int main(int argc, char **argv)
case 'Q':
print_banner = false;
break;
case 'T':
print_stats = false;
break;
case 'V':
printf("%s\n", yosys_version_str);
exit(0);
@ -129,12 +133,15 @@ int main(int argc, char **argv)
break;
default:
fprintf(stderr, "\n");
fprintf(stderr, "Usage: %s [-V -S -Q -q] [-v <level>[-t] [-l <logfile>] [-o <outfile>] [-f <frontend>] [-h cmd] \\\n", argv[0]);
fprintf(stderr, "Usage: %s [-V -S -Q -T -q] [-v <level>[-t] [-l <logfile>] [-o <outfile>] [-f <frontend>] [-h cmd] \\\n", argv[0]);
fprintf(stderr, " %*s[{-s|-c} <scriptfile>] [-p <pass> [-p ..]] [-b <backend>] [-m <module_file>] [<infile> [..]]\n", int(strlen(argv[0])+1), "");
fprintf(stderr, "\n");
fprintf(stderr, " -Q\n");
fprintf(stderr, " suppress printing of banner (copyright, disclaimer, version)\n");
fprintf(stderr, "\n");
fprintf(stderr, " -T\n");
fprintf(stderr, " suppress printing of footer (log hash, version, timing statistics)\n");
fprintf(stderr, "\n");
fprintf(stderr, " -q\n");
fprintf(stderr, " quiet operation. only write error messages to console\n");
fprintf(stderr, "\n");
@ -284,7 +291,36 @@ int main(int argc, char **argv)
}
#endif
log("\nEnd of script.\n");
if (print_stats)
{
struct rusage ru_buffer;
getrusage(RUSAGE_SELF, &ru_buffer);
log("\nEnd of script. Logfile hash: xxxxxxxxxx, CPU: user %.2fs system %.2fs\n",
ru_buffer.ru_utime.tv_sec + 1e-6 * ru_buffer.ru_utime.tv_usec,
ru_buffer.ru_stime.tv_sec + 1e-6 * ru_buffer.ru_stime.tv_usec);
log("%s\nTime spent:", yosys_version_str);
int64_t total_ns = 0;
std::set<std::tuple<int64_t, int, std::string>> timedat;
for (auto &it : pass_register)
if (it.second->call_counter) {
total_ns += it.second->runtime_ns + 1;
timedat.insert(make_tuple(it.second->runtime_ns + 1, it.second->call_counter, it.first));
}
int out_count = 0;
for (auto it = timedat.rbegin(); it != timedat.rend() && out_count < 4; it++, out_count++) {
if (out_count >= 2 && (std::get<0>(*it) < 1000000000 || int(100*std::get<0>(*it) / total_ns) < 20)) {
log(", ...");
break;
}
log("%s %d%% %dx %s (%d sec)", out_count ? "," : "", int(100*std::get<0>(*it) / total_ns),
std::get<1>(*it), std::get<2>(*it).c_str(), int(std::get<0>(*it) / 1000000000));
}
log("%s\n", out_count ? "" : " no commands executed");
}
if (call_abort)
abort();

1
kernel/log.h
View File

@ -170,6 +170,7 @@ struct PerformanceTimer
return total_ns * 1e-9;
}
#else
static int64_t query() { return 0; }
void reset() { }
void begin() { }
void end() { }

42
kernel/register.cc
View File

@ -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);

13
kernel/register.h
View File

@ -31,14 +31,23 @@ YOSYS_NAMESPACE_BEGIN
struct Pass
{
std::string pass_name, short_help;
int call_counter;
Pass(std::string name, std::string short_help = "** document me **");
virtual ~Pass();
virtual void help();
virtual void execute(std::vector<std::string> args, RTLIL::Design *design) = 0;
int call_counter;
int64_t runtime_ns;
struct pre_post_exec_state_t {
Pass *parent_pass;
int64_t begin_ns;
};
pre_post_exec_state_t pre_execute();
void post_execute(pre_post_exec_state_t state);
void cmd_log_args(const std::vector<std::string> &args);
void cmd_error(const std::vector<std::string> &args, size_t argidx, std::string msg);
void extra_args(std::vector<std::string> args, size_t argidx, RTLIL::Design *design, bool select = true);