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authorIngo Molnar <mingo@elte.hu>2009-11-04 11:54:15 +0100
committerIngo Molnar <mingo@elte.hu>2009-11-04 11:59:45 +0100
commita2e71271535fde493c32803b1f34789f97efcb5e (patch)
tree90d7139bea2f49e947f27af92614fa6eca50b64d /drivers/md/unroll.awk
parent6d7aa9d721c8c640066142fd9534afcdf68d7f9d (diff)
parentb419148e567728f6af0c3b01965c1cc141e3e13a (diff)
Merge commit 'v2.6.32-rc6' into perf/core
Conflicts: tools/perf/Makefile Merge reason: Resolve the conflict, merge to upstream and merge in perf fixes so we can add a dependent patch. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/md/unroll.awk')
-rw-r--r--drivers/md/unroll.awk20
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/md/unroll.awk b/drivers/md/unroll.awk
new file mode 100644
index 00000000000..c6aa03631df
--- /dev/null
+++ b/drivers/md/unroll.awk
@@ -0,0 +1,20 @@
+
+# This filter requires one command line option of form -vN=n
+# where n must be a decimal number.
+#
+# Repeat each input line containing $$ n times, replacing $$ with 0...n-1.
+# Replace each $# with n, and each $* with a single $.
+
+BEGIN {
+ n = N + 0
+}
+{
+ if (/\$\$/) { rep = n } else { rep = 1 }
+ for (i = 0; i < rep; ++i) {
+ tmp = $0
+ gsub(/\$\$/, i, tmp)
+ gsub(/\$\#/, n, tmp)
+ gsub(/\$\*/, "$", tmp)
+ print tmp
+ }
+}