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[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-1.4-359-g347d3d1
- From: fche at sourceware dot org
- To: systemtap-cvs at sourceware dot org
- Date: 13 May 2011 17:20:42 -0000
- Subject: [SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-1.4-359-g347d3d1
- Reply-to: systemtap at sourceware dot org
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commit 347d3d15c261c362e94c6ab8ff5f9ec7abb73d52
Author: Frank Ch. Eigler <fche@redhat.com>
Date: Fri May 13 13:17:02 2011 -0400
shutdown hangs: offer option -DSTAP_OVERRIDE_STUCK_CONTEXT
Sometimes stuff happens to probe handlers, and they refuse to clean up
cleanly (resetting their contexts to non-busy state). This can cause
module shutdowns to hang with a busy-waiting stapio. This patch lets
a user override the infinite loop with -DSTAP_OVERRIDE_STUCK_CONTEXT
to let the module be cleaned up. Without that set, at least the
infinite loop is made to spin less tightly.
* translate.cxx (c_unparser::emit_module_exit): Hang looser
upon stuck contexts.
-----------------------------------------------------------------------
Summary of changes:
translate.cxx | 24 ++++++++++++++++++++++++
1 files changed, 24 insertions(+), 0 deletions(-)
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systemtap: system-wide probe/trace tool