From f55f67297ded1bbf1807742cc01defa94a5fc165 Mon Sep 17 00:00:00 2001 From: Remzi Arpaci-Dusseau Date: Wed, 21 Sep 2022 19:10:14 -0500 Subject: [PATCH] global clarity --- initial-xv6-tracer/README.md | 3 +++ 1 file changed, 3 insertions(+) diff --git a/initial-xv6-tracer/README.md b/initial-xv6-tracer/README.md index 6ca3a07..a8c10ed 100644 --- a/initial-xv6-tracer/README.md +++ b/initial-xv6-tracer/README.md @@ -52,6 +52,9 @@ or something like that). This counter should be incremented every time any proce `open()` system call if the pathname passed to open matches the pathname being traced. If tracing has not yet been enabled, it should simply return 0. +The trace count is *global*, which means there is one trace counter that gets enabled, +and it traces activity across all processes. + ## Tips Watch this [discussion video](https://www.youtube.com/watch?v=vR6z2QGcoo8) --