CPUSampler samples are by default equal to 1ms

eregon · eregon · commit 7b99270dba90 · 2020-10-15T19:27:19.000+02:00
diff --git a/tool/jt.rb b/tool/jt.rb
@@ -1886,7 +1886,8 @@ def profile(*args)
       }
     end
     raw_sh "#{repo}/stackcollapse-graalvm.rb", profile_data_file, out: flamegraph_data_file
-    raw_sh "#{repo}/flamegraph.pl", flamegraph_data_file, out: svg_filename
+    unit = args.any?(/^--cpusampler\.Period=/) ? [] : ['--countname', 'ms']
+    raw_sh "#{repo}/flamegraph.pl", *unit, flamegraph_data_file, out: svg_filename
 
     app_open svg_filename
   end

Original file line number	Diff line number	Diff line change
`@@ -1886,7 +1886,8 @@ def profile(*args)`
`1886`	`1886`	`}`
`1887`	`1887`	`end`
`1888`	`1888`	`raw_sh "#{repo}/stackcollapse-graalvm.rb", profile_data_file, out: flamegraph_data_file`
`1889`		`- raw_sh "#{repo}/flamegraph.pl", flamegraph_data_file, out: svg_filename`
	`1889`	`+ unit = args.any?(/^--cpusampler\.Period=/) ? [] : ['--countname', 'ms']`
	`1890`	`+ raw_sh "#{repo}/flamegraph.pl", *unit, flamegraph_data_file, out: svg_filename`
`1890`	`1891`
`1891`	`1892`	`app_open svg_filename`
`1892`	`1893`	`end`