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Merge pull request #1635 from YosysHQ/eddie/print_stats

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print_stats footer to return peak memory, option for including children
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Eddie Hung 2020-01-14 14:18:42 -08:00 • committed by GitHub
commit ffd6f54f92
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1 changed files with 13 additions and 25 deletions
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38
kernel/driver.cc
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@ -566,34 +566,22 @@ int main(int argc, char **argv)
#else
std::string meminfo;
std::string stats_divider = ", ";
# if defined(__linux__)
std::ifstream statm;
statm.open(stringf("/proc/%lld/statm", (long long)getpid()));
if (statm.is_open()) {
int sz_total, sz_resident;
statm >> sz_total >> sz_resident;
meminfo = stringf(", MEM: %.2f MB total, %.2f MB resident",
sz_total * (getpagesize() / 1024.0 / 1024.0),
sz_resident * (getpagesize() / 1024.0 / 1024.0));
stats_divider = "\n";
}
# elif defined(__FreeBSD__)
pid_t pid = getpid();
int mib[4] = {CTL_KERN, KERN_PROC, KERN_PROC_PID, (int)pid};
struct kinfo_proc kip;
size_t kip_len = sizeof(kip);
if (sysctl(mib, 4, &kip, &kip_len, NULL, 0) == 0) {
vm_size_t sz_total = kip.ki_size;
segsz_t sz_resident = kip.ki_rssize;
meminfo = stringf(", MEM: %.2f MB total, %.2f MB resident",
(int)sz_total / 1024.0 / 1024.0,
(int)sz_resident * (getpagesize() / 1024.0 / 1024.0));
stats_divider = "\n";
}
# endif
struct rusage ru_buffer;
getrusage(RUSAGE_SELF, &ru_buffer);
if (yosys_design->scratchpad_get_bool("print_stats.include_children")) {
struct rusage ru_buffer_children;
getrusage(RUSAGE_CHILDREN, &ru_buffer_children);
ru_buffer.ru_utime.tv_sec += ru_buffer_children.ru_utime.tv_sec;
ru_buffer.ru_utime.tv_usec += ru_buffer_children.ru_utime.tv_usec;
ru_buffer.ru_stime.tv_sec += ru_buffer_children.ru_stime.tv_sec;
ru_buffer.ru_stime.tv_usec += ru_buffer_children.ru_stime.tv_usec;
ru_buffer.ru_maxrss = std::max(ru_buffer.ru_maxrss, ru_buffer_children.ru_maxrss);
}
# if defined(__linux__) || defined(__FreeBSD__)
meminfo = stringf(", MEM: %.2f MB peak",
ru_buffer.ru_maxrss / 1024.0);
#endif
log("End of script. Logfile hash: %s%sCPU: user %.2fs system %.2fs%s\n", hash.c_str(),
stats_divider.c_str(), 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, meminfo.c_str());