Merge pull request brendangregg#76 from mephi42/stackcollapse-perf-pl-do-not-read-the-whole-input-file-into-memory

brendangregg · brendangregg · commit b3eac8fea405 · 2015-12-08T01:14:23.000-08:00
stackcollapse-perf.pl: do not read the whole input file into memory
diff --git a/stackcollapse-perf.pl b/stackcollapse-perf.pl
@@ -135,7 +135,7 @@ sub inline {
 #
 # Main loop
 #
-foreach (<>) {
+while (defined($_ = <>)) {
 
 	# find the name of the process launched by perf, by stepping backwards
 	# over the args to find the first non-option (no dash):

Original file line number	Diff line number	Diff line change
`@@ -135,7 +135,7 @@ sub inline {`
`135`	`135`	`#`
`136`	`136`	`# Main loop`
`137`	`137`	`#`
`138`		`-foreach (<>) {`
	`138`	`+while (defined($_ = <>)) {`
`139`	`139`
`140`	`140`	`# find the name of the process launched by perf, by stepping backwards`
`141`	`141`	`# over the args to find the first non-option (no dash):`