metrics: use sta API for violation count

Signed-off-by: Vitor Bandeira <[email protected]>

Author: vvbandeira

flow/scripts/report_metrics.tcl

@@ -29,7 +29,7 @@ proc report_metrics { when {include_erc true} {include_clock_skew true} } {
     report_clock_skew_metric
     report_clock_skew_metric -hold
   }
-  
+
   puts "\n=========================================================================="
   puts "$when report_checks -path_delay min"
   puts "--------------------------------------------------------------------------"
@@ -121,12 +121,12 @@ proc report_metrics { when {include_erc true} {include_clock_skew true} } {
     puts "\n=========================================================================="
     puts "$when setup_violation_count"
     puts "--------------------------------------------------------------------------"
-    puts "setup violation count [llength [find_timing_paths -path_delay max -slack_max 0]]"
+    puts "setup violation count [sta::endpoint_violation_count min]"
 
     puts "\n=========================================================================="
     puts "$when hold_violation_count"
     puts "--------------------------------------------------------------------------"
-    puts "hold violation count [llength [find_timing_paths -path_delay min -slack_max 0]]"
+    puts "hold violation count [sta::endpoint_violation_count min]"
 
     set critical_path [lindex [find_timing_paths -sort_by_slack] 0]
     if {$critical_path != ""} {