From: Peter Zijlstra Date: Thu, 5 Feb 2009 11:24:15 +0000 (+0100) Subject: signal: re-add dead task accumulation stats. X-Git-Tag: v2.6.29-rc5~33^2~5 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=32bd671d6cbeda60dc73be77fa2b9037d9a9bfa0;p=pandora-kernel.git signal: re-add dead task accumulation stats. We're going to split the process wide cpu accounting into two parts: - clocks; which can take all the time they want since they run from user context. - timers; which need constant time tracing but can affort the overhead because they're default off -- and rare. The clock readout will go back to a full sum of the thread group, for this we need to re-add the exit stats that were removed in the initial itimer rework (f06febc9: timers: fix itimer/many thread hang). Furthermore, since that full sum can be rather slow for large thread groups and we have the complete dead task stats, revert the do_notify_parent time computation. Signed-off-by: Peter Zijlstra Reviewed-by: Ingo Molnar Signed-off-by: Ingo Molnar --- Reading git-diff-tree failed