mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-03 04:52:10 +00:00
58 lines
2.2 KiB
Bash
58 lines
2.2 KiB
Bash
#!/bin/bash
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# shellcheck source=./utils.lib
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source /utils.lib
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function attach_gdb_to_clickhouse()
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{
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IS_ASAN=$(clickhouse-client --query "SELECT count() FROM system.build_options WHERE name = 'CXX_FLAGS' AND position('sanitize=address' IN value)")
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if [[ "$IS_ASAN" = "1" ]];
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then
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echo "ASAN build detected. Not using gdb since it disables LeakSanitizer detections"
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else
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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=$(kill -l SIGRTMIN)
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# shellcheck disable=SC2016
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echo "
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set follow-fork-mode parent
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handle SIGHUP nostop noprint pass
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handle SIGINT nostop noprint pass
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handle SIGQUIT nostop noprint pass
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handle SIGPIPE nostop noprint pass
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handle SIGTERM nostop noprint pass
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handle SIGUSR1 nostop noprint pass
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handle SIGUSR2 nostop noprint pass
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handle SIG$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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info registers
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p "top 1 KiB of the stack:"
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p/x *(uint64_t[128]*)"'$sp'"
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maintenance info sections
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thread apply all backtrace full
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disassemble /s
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up
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disassemble /s
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up
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disassemble /s
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p \"done\"
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detach
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quit
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" > script.gdb
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# FIXME Hung check may work incorrectly because of attached gdb
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# We cannot attach another gdb to get stacktraces if some queries hung
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gdb -batch -command script.gdb -p "$(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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fi
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}
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# vi: ft=bash
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