Merge pull request The-OpenROAD-Project#1864 from Pinata-Consulting/f…

…low-skip-metrics metrics: add SKIP_METRICS=1 variable to speed up builds
vvbandeira · Mar 20, 2024 · af59d9e · af59d9e
2 parents a3ec9b4 + 9d29bf2
commit af59d9e
Show file tree

Hide file tree

Showing 2 changed files with 8 additions and 0 deletions.
diff --git a/docs/user/FlowVariables.md b/docs/user/FlowVariables.md
@@ -6,6 +6,11 @@ platform, design and tool specific variables to allow finer control and
 user overrides at various flow stages. These are defined in the
 `config.mk` file located in the platform and design specific directories.
 
+### General variables for all stages
+
+| Variable         | Description                                                                        |
+|------------------|------------------------------------------------------------------------------------|
+| `SKIP_REPORT_METRICS`   | If set to 1, then metrics, report_metrics does nothing. Useful to speed up builds. |
 
 ## Platform
 

diff --git a/flow/scripts/report_metrics.tcl b/flow/scripts/report_metrics.tcl
@@ -7,6 +7,9 @@ proc report_puts { out } {
 }
 
 proc report_metrics { stage when {include_erc true} {include_clock_skew true} } {
+  if {[info exists ::env(SKIP_REPORT_METRICS)] && $::env(SKIP_REPORT_METRICS) == 1} {
+    return
+  }
   set filename $::env(REPORTS_DIR)/${stage}_[string map {" " "_"} $when].rpt
   set fileId [open $filename w]
   close $fileId