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9a42097bf4
Sometimes it is useful to see the callpath for log messages. This change enhances the log filter syntax so that stack traces can be show by setting '1:+NAME' instead of '1:NAME'. This results in output like: 2012-05-09 14:18:45.136+0000: 13314: debug : virInitialize:414 : register drivers /home/berrange/src/virt/libvirt/src/.libs/libvirt.so.0(virInitialize+0xd6)[0x7f89188ebe86] /home/berrange/src/virt/libvirt/tools/.libs/lt-virsh[0x431921] /lib64/libc.so.6(__libc_start_main+0xf5)[0x3a21e21735] /home/berrange/src/virt/libvirt/tools/.libs/lt-virsh[0x40a279] 2012-05-09 14:18:45.136+0000: 13314: debug : virRegisterDriver:775 : driver=0x7f8918d02760 name=Test /home/berrange/src/virt/libvirt/src/.libs/libvirt.so.0(virRegisterDriver+0x6b)[0x7f89188ec717] /home/berrange/src/virt/libvirt/src/.libs/libvirt.so.0(+0x11b3ad)[0x7f891891e3ad] /home/berrange/src/virt/libvirt/src/.libs/libvirt.so.0(virInitialize+0xf3)[0x7f89188ebea3] /home/berrange/src/virt/libvirt/tools/.libs/lt-virsh[0x431921] /lib64/libc.so.6(__libc_start_main+0xf5)[0x3a21e21735] /home/berrange/src/virt/libvirt/tools/.libs/lt-virsh[0x40a279] * docs/logging.html.in: Document new syntax * configure.ac: Check for execinfo.h * src/util/logging.c, src/util/logging.h: Add support for stack traces * tests/testutils.c: Adapt to API change Signed-off-by: Daniel P. Berrange <berrange@redhat.com> (cherry picked from commit 548563956e484e0e43e9a66a89bdda0f95930108)
LibVirt : simple API for virtualization
Libvirt is a C toolkit to interact with the virtualization capabilities
of recent versions of Linux (and other OSes). It is free software
available under the GNU Lesser General Public License. Virtualization of
the Linux Operating System means the ability to run multiple instances of
Operating Systems concurrently on a single hardware system where the basic
resources are driven by a Linux instance. The library aim at providing
long term stable C API initially for the Xen paravirtualization but
should be able to integrate other virtualization mechanisms if needed.
Daniel Veillard <veillard@redhat.com>