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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/driver.cc
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@ -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();