From 59fde7ccc0f707fb55a2e145e78a1e19a4fd2e80 Mon Sep 17 00:00:00 2001 From: Mark Wielaard Date: Wed, 25 Mar 2009 14:09:02 +0100 Subject: [PATCH] NEWS: Document mark/trace list mode, interrupt reentrancy, reentrancy debug. --- NEWS | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/NEWS b/NEWS index d10c2cc31..4dae77d71 100644 --- a/NEWS +++ b/NEWS @@ -54,6 +54,18 @@ This replaces any dwarf $variable expressions that could not be resolved with literal numeric zeros, along with a warning message. +- Both kernel markers and kernel tracepoint support argument listing + through stap -L 'kernel.mark("*")' or stap -L 'kernel.trace("*")' + +- Users can use -DINTERRUPTIBLE=0 to prevent interrupt reentrancy in + their script, at the cost of a bit more overhead to toggle the + interrupt mask. + +- Added reentrancy debugging. If stap is run with the arguments + "-t -DDEBUG_REENTRANCY", additional warnings will be printed for + every reentrancy event, including the probe points of the + resident and interloper probes. + * What's new in version 0.9 - Typecasting is now supported using the @cast operator. A script can -- 2.43.5