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authorJieqiang Wang <jieqiang.wang@arm.com>2020-01-20 13:43:38 +0800
committerDamjan Marion <dmarion@me.com>2020-03-21 12:11:38 +0000
commit6f533d780ded2d0d2a4ba2224e4a9f7d181c7577 (patch)
treef6948a40489454367b95e06ad8edc556a5575cf3 /src/plugins/gtpu
parent2ed4204c91bf0c79639f39dc01601d58a0e536ee (diff)
vlib: leave SIGPROF signal with its default handler
When profiling VPP with MAP (a software profile suite on Arm CPUs, see details in https://www.arm.com/products/development-tools/server-and-hpc/forge/map) on Arm servers, VPP will receive SIGPROF signal because MAP uses SIGPROF signal to drive its sampler to do profiling on VPP. However, the default action of SIGPROF signal handler in VPP such as unix_signal_handler() is process termination. To profile VPP with MAP, the SIGPROF handler should be left as default, and MAP sampler will overwrite it with its own implementation. Type: feature Change-Id: Ie14e513d35ec27a66e95067689408bad8ed1ad6b Signed-off-by: Jieqiang Wang <jieqiang.wang@arm.com>
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