diff options
Diffstat (limited to 'kernel/driver.cc')
| -rw-r--r-- | kernel/driver.cc | 31 |
1 files changed, 29 insertions, 2 deletions
diff --git a/kernel/driver.cc b/kernel/driver.cc index e52e1fb0e..436fda48c 100644 --- a/kernel/driver.cc +++ b/kernel/driver.cc @@ -33,6 +33,7 @@ #include <string.h> #include <limits.h> #include <errno.h> +#include <inttypes.h> #if defined (__linux__) || defined(__FreeBSD__) # include <sys/resource.h> @@ -210,6 +211,7 @@ int main(int argc, char **argv) std::string scriptfile = ""; std::string depsfile = ""; std::string topmodule = ""; + std::string perffile = ""; bool scriptfile_tcl = false; bool print_banner = true; bool print_stats = true; @@ -353,7 +355,7 @@ int main(int argc, char **argv) } int opt; - while ((opt = getopt(argc, argv, "MXAQTVSgm:f:Hh:b:o:p:l:L:qv:tds:c:W:w:e:r:D:P:E:x:")) != -1) + while ((opt = getopt(argc, argv, "MXAQTVSgm:f:Hh:b:o:p:l:L:qv:tds:c:W:w:e:r:D:P:E:x:B:")) != -1) { switch (opt) { @@ -488,6 +490,9 @@ int main(int argc, char **argv) case 'x': log_experimentals_ignored.insert(optarg); break; + case 'B': + perffile = optarg; + break; default: fprintf(stderr, "Run '%s -h' for help.\n", argv[0]); exit(1); @@ -674,6 +679,29 @@ int main(int argc, char **argv) } log("%s\n", out_count ? "" : " no commands executed"); } + if(!perffile.empty()) + { + FILE *f = fopen(perffile.c_str(), "wt"); + if (f == nullptr) + log_error("Can't open performance log file for writing: %s\n", strerror(errno)); + + fprintf(f, "{\n"); + fprintf(f, " \"generator\": \"%s\",\n", yosys_version_str); + fprintf(f, " \"total_ns\": %" PRIu64 ",\n", total_ns); + fprintf(f, " \"passes\": {"); + + bool first = true; + for (auto it = timedat.rbegin(); it != timedat.rend(); it++) { + if (!first) + fprintf(f, ","); + fprintf(f, "\n \"%s\": {\n", std::get<2>(*it).c_str()); + fprintf(f, " \"runtime_ns\": %" PRIu64 ",\n", std::get<0>(*it)); + fprintf(f, " \"num_calls\": %u\n", std::get<1>(*it)); + fprintf(f, " }"); + first = false; + } + fprintf(f, "\n }\n}\n"); + } } #if defined(YOSYS_ENABLE_COVER) && (defined(__linux__) || defined(__FreeBSD__)) @@ -724,4 +752,3 @@ int main(int argc, char **argv) } #endif /* EMSCRIPTEN */ - |