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| author | Siesh1oo <siesh1oo@siesh1oo.no> | 2014-03-10 14:36:07 +0100 |
|---|---|---|
| committer | Siesh1oo <siesh1oo@siesh1oo.no> | 2014-03-10 14:36:07 +0100 |
| commit | 8111938e962b60294e51d5f0d10b6d1855bc1b91 (patch) | |
| tree | d1696423105b392520e8f77327ae4410222a1354 | |
| parent | 40e0b79495195eaa2bc6bf32e8d52a5aa956a2b4 (diff) | |
| download | yosys-8111938e962b60294e51d5f0d10b6d1855bc1b91.tar.gz yosys-8111938e962b60294e51d5f0d10b6d1855bc1b91.tar.bz2 yosys-8111938e962b60294e51d5f0d10b6d1855bc1b91.zip | |
- kernel/log.h: add rusage()-based fallback for systems without clock_gettime().
| -rw-r--r-- | kernel/log.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/kernel/log.h b/kernel/log.h index c4c03352a..fbc3c1c39 100644 --- a/kernel/log.h +++ b/kernel/log.h @@ -23,6 +23,8 @@ #include "kernel/rtlil.h" #include <stdio.h> #include <time.h> +#include <sys/time.h> +#include <sys/resource.h> #include <vector> extern std::vector<FILE*> log_files; @@ -65,9 +67,23 @@ struct PerformanceTimer } static int64_t query() { +#if defined(_POSIX_TIMERS) && (_POSIX_TIMERS > 0) struct timespec ts; clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &ts); return int64_t(ts.tv_sec)*1000000000 + ts.tv_nsec; +#elif defined(RUSAGE_SELF) + struct rusage rusage; + int64_t t; + if (getrusage(RUSAGE_SELF, &rusage) == -1) { + log_cmd_error("getrusage failed!\n"); + log_abort(); + } + t = 1000000000ULL * (int64_t) rusage.ru_utime.tv_sec + (int64_t) rusage.ru_utime.tv_usec * 1000ULL; + t += 1000000000ULL * (int64_t) rusage.ru_stime.tv_sec + (int64_t) rusage.ru_stime.tv_usec * 1000ULL; + return t; +#else + #error Dont know how to measure per-process CPU time. Need alternative method (times()/clocks()/gettimeofday()?). +#endif } void reset() { |