diff options
Diffstat (limited to 'common/timing.cc')
| -rw-r--r-- | common/timing.cc | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/common/timing.cc b/common/timing.cc index d4d33183..8b35e41c 100644 --- a/common/timing.cc +++ b/common/timing.cc @@ -811,6 +811,33 @@ void timing_analysis(Context *ctx, bool print_histogram, bool print_fmax, bool p } if (print_path) { + static auto print_net_source = [](Context *ctx, NetInfo *net) { + // Check if this net is annotated with a source list + auto sources = net->attrs.find(ctx->id("src")); + if (sources == net->attrs.end()) { + // No sources for this net, can't print anything + return; + } + + // Sources are separated by pipe characters. + // There is no guaranteed ordering on sources, so we just print all + auto sourcelist = sources->second.as_string(); + std::vector<std::string> source_entries; + size_t current = 0, prev = 0; + while ((current = sourcelist.find("|", prev)) != std::string::npos) { + source_entries.emplace_back(sourcelist.substr(prev, current - prev)); + prev = current + 1; + } + // Ensure we emplace the final entry + source_entries.emplace_back(sourcelist.substr(prev, current - prev)); + + // Iterate and print our source list at the correct indentation level + log_info(" Defined in:\n"); + for (auto entry : source_entries) { + log_info(" %s\n", entry.c_str()); + } + }; + auto print_path_report = [ctx](ClockPair &clocks, PortRefVector &crit_path) { delay_t total = 0, logic_total = 0, route_total = 0; auto &front = crit_path.front(); @@ -888,6 +915,9 @@ void timing_analysis(Context *ctx, bool print_histogram, bool print_fmax, bool p cursor = ctx->getPipSrcWire(pip); } } + if (!ctx->disable_critical_path_source_print) { + print_net_source(ctx, net); + } last_port = sink->port; } int clockCount = 0; |