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[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-1.8-243-ge0f2efe
- From: serhei at sourceware dot org
- To: systemtap-cvs at sourceware dot org
- Date: 19 Sep 2012 15:06:48 -0000
- Subject: [SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-1.8-243-ge0f2efe
- Reply-to: systemtap at sourceware dot org
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commit e0f2efecc13e87ef3b8f20f890401d29f5ef744d
Author: Serguei Makarov <smakarov@redhat.com>
Date: Wed Sep 19 11:00:22 2012 -0400
PR6580 clarification: comment explaining suitability of current kluge for _stp_get_uregs() clearing kernel cache.
The inefficiency alluded to only occurs when interspersing
*partial* kernel and user unwinds, e.g. try this with -DDEBUG_UNWIND=1:
stack(0); ustack(0); stack(1); ustack(1); ...
-----------------------------------------------------------------------
Summary of changes:
runtime/stack.c | 23 +++++++++++++++++------
1 files changed, 17 insertions(+), 6 deletions(-)
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systemtap: system-wide probe/trace tool