In speed, track number of invalid generated signatures and print once

Otherwise this spams the output when something goes wrong.

1 files changed, 6 insertions, 1 deletions

diff --git a/src/cli/speed.cpp b/src/cli/speed.cpp
index 4ec4c0f31..647e8bd8c 100644
--- a/src/cli/speed.cpp
+++ b/src/cli/speed.cpp
@@ -1743,6 +1743,8 @@ class Speed final : public Command
          std::unique_ptr<Timer> sig_timer = make_timer(nm + " " + padding, provider, "sign");
          std::unique_ptr<Timer> ver_timer = make_timer(nm + " " + padding, provider, "verify");
 
+         size_t invalid_sigs = 0;
+
          while(ver_timer->under(msec) || sig_timer->under(msec))
             {
             if(signature.empty() || sig_timer->under(msec))
@@ -1768,7 +1770,7 @@ class Speed final : public Command
 
                if(!verified)
                   {
-                  error_output() << "Correct signature rejected in PK signature bench\n";
+                  invalid_sigs += 1;
                   }
 
                const bool verified_bad = ver_timer->run([&]
@@ -1783,6 +1785,9 @@ class Speed final : public Command
                }
             }
 
+         if(invalid_sigs > 0)
+            error_output() << invalid_sigs << " generated signatures rejected in PK signature bench\n";
+
          const size_t events = std::min(sig_timer->events(), ver_timer->events());
 
          record_result(sig_timer);