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-rw-r--r--testsuite/systemtap.examples/disktop.stp2
1 files changed, 1 insertions, 1 deletions
diff --git a/testsuite/systemtap.examples/disktop.stp b/testsuite/systemtap.examples/disktop.stp
index 24b1e331..2637d735 100644
--- a/testsuite/systemtap.examples/disktop.stp
+++ b/testsuite/systemtap.examples/disktop.stp
@@ -42,7 +42,7 @@ probe kernel.function("vfs_write").return {
probe timer.ms(5000) {
/* skip non-read/write disk */
- if (read_bytes+write+bytes) {
+ if (read_bytes+write_bytes) {
printf("\n%-25s, %-8s%4dKb/sec, %-7s%6dKb, %-7s%6dKb\n\n",ctime(gettimeofday_s()),"Average:",
((read_bytes+write_bytes)/1024)/5,"Read:",read_bytes/1024,"Write:",write_bytes/1024)