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45 lines
1.5 KiB
Bash
45 lines
1.5 KiB
Bash
#!/bin/bash
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source /usr/share/clickhouse-test/ci/utils.lib
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function attach_gdb_to_clickhouse()
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{
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# Set follow-fork-mode to parent, because we attach to clickhouse-server, not to watchdog
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# and clickhouse-server can do fork-exec, for example, to run some bridge.
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# Do not set nostop noprint for all signals, because some it may cause gdb to hang,
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# explicitly ignore non-fatal signals that are used by server.
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# Number of SIGRTMIN can be determined only in runtime.
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RTMIN=$(kill -l SIGRTMIN)
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echo "
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set follow-fork-mode parent
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handle SIGHUP nostop noprint pass
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handle SIGINT nostop noprint pass
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handle SIGQUIT nostop noprint pass
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handle SIGPIPE nostop noprint pass
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handle SIGTERM nostop noprint pass
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handle SIGUSR1 nostop noprint pass
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handle SIGUSR2 nostop noprint pass
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handle SIG$RTMIN nostop noprint pass
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info signals
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continue
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backtrace full
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thread apply all backtrace full
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info registers
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disassemble /s
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up
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disassemble /s
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up
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disassemble /s
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p \"done\"
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detach
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quit
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" > script.gdb
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# FIXME Hung check may work incorrectly because of attached gdb
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# We cannot attach another gdb to get stacktraces if some queries hung
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gdb -batch -command script.gdb -p "$(cat /var/run/clickhouse-server/clickhouse-server.pid)" | ts '%Y-%m-%d %H:%M:%S' >> /test_output/gdb.log &
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sleep 5
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# gdb will send SIGSTOP, spend some time loading debug info and then send SIGCONT, wait for it (up to send_timeout, 300s)
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run_with_retry 60 clickhouse-client --query "SELECT 'Connected to clickhouse-server after attaching gdb'"
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}
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