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Added memory statistics (at least on linux)

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This commit is contained in:
Clifford Wolf 2014-12-27 11:25:51 +01:00
parent d6ee6f653f
commit 2c2f8e6e9f
1 changed files with 23 additions and 3 deletions
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26
kernel/driver.cc
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@ -30,6 +30,11 @@
#include <limits.h>
#include <errno.h>
#ifdef __linux__
# include <sys/types.h>
# include <unistd.h>
#endif
#if !defined(_WIN32) || defined(__MINGW32__)
# include <unistd.h>
#else
@ -320,11 +325,26 @@ int main(int argc, char **argv)
#ifdef _WIN32
log("End of script. Logfile hash: %s\n", hash.c_str());
#else
std::string meminfo;
std::string stats_divider = ", ";
# ifdef __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";
}
# endif
struct rusage ru_buffer;
getrusage(RUSAGE_SELF, &ru_buffer);
log("End of script. Logfile hash: %s, CPU: user %.2fs system %.2fs\n", hash.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);
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());
#endif
log("%s\n", yosys_version_str);