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\f0\fs24 \cf0 pstack output:\
Thread 31 (Thread 0x7fa9717ea700 (LWP 7737)):\
#0  0x00007fa97d5b37da in sigwaitinfo () from /lib64/libc.so.6\
#1  0x0000000000ec31ab in timer_notify_thread_func (arg=arg@entry=0x7fffdb9780c0) at /data1/mutex_futex/mysql-5.7.17/mysys/posix_timers.c:77\
#2  0x000000000120f971 in pfs_spawn_thread (arg=0x7fa975ffc220) at /data1/mutex_futex/mysql-5.7.17/storage/perfschema/pfs.cc:2188\
#3  0x00007fa97e793df5 in start_thread () from /lib64/libpthread.so.0\
#4  0x00007fa97d6731ad in clone () from /lib64/libc.so.6\
Thread 30 (Thread 0x7fa3edbff700 (LWP 7738)):\
#0  0x00007fa97e58a644 in __io_getevents_0_4 () from /lib64/libaio.so.1\
#1  0x0000000000fc6307 in LinuxAIOHandler::collect (this=this@entry=0x7fa3edbfeda0) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0file.cc:2492\
#2  0x0000000000fc6c9a in LinuxAIOHandler::poll (this=this@entry=0x7fa3edbfeda0, m1=m1@entry=0x7fa3edbfee50, m2=m2@entry=0x7fa3edbfee60, request=request@entry=0x7fa3edbfee70) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0file.cc:2638\
#3  0x0000000000fc8ba4 in os_aio_linux_handler (request=0x7fa3edbfee70, m2=0x7fa3edbfee60, m1=0x7fa3edbfee50, global_segment=0) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0file.cc:2694\
#4  os_aio_handler (segment=segment@entry=0, m1=m1@entry=0x7fa3edbfee50, m2=m2@entry=0x7fa3edbfee60, request=request@entry=0x7fa3edbfee70) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0file.cc:6246\
#5  0x000000000118070d in fil_aio_wait (segment=segment@entry=0) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/fil/fil0fil.cc:5817\
#6  0x0000000001073d98 in io_handler_thread (arg=<optimized out>) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/srv/srv0start.cc:308\
#7  0x00007fa97e793df5 in start_thread () from /lib64/libpthread.so.0\
#8  0x00007fa97d6731ad in clone () from /lib64/libc.so.6\
Thread 29 (Thread 0x7fa3ed3fe700 (LWP 7739)):\
#0  0x00007fa97e58a644 in __io_getevents_0_4 () from /lib64/libaio.so.1\
#1  0x0000000000fc6307 in LinuxAIOHandler::collect (this=this@entry=0x7fa3ed3fdda0) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0file.cc:2492\
#2  0x0000000000fc6c9a in LinuxAIOHandler::poll (this=this@entry=0x7fa3ed3fdda0, m1=m1@entry=0x7fa3ed3fde50, m2=m2@entry=0x7fa3ed3fde60, request=request@entry=0x7fa3ed3fde70) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0file.cc:2638\
#3  0x0000000000fc8ba4 in os_aio_linux_handler (request=0x7fa3ed3fde70, m2=0x7fa3ed3fde60, m1=0x7fa3ed3fde50, global_segment=1) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0file.cc:2694\
#4  os_aio_handler (segment=segment@entry=1, m1=m1@entry=0x7fa3ed3fde50, m2=m2@entry=0x7fa3ed3fde60, request=request@entry=0x7fa3ed3fde70) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0file.cc:6246\
#5  0x000000000118070d in fil_aio_wait (segment=segment@entry=1) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/fil/fil0fil.cc:5817\
#6  0x0000000001073d98 in io_handler_thread (arg=<optimized out>) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/srv/srv0start.cc:308\
#7  0x00007fa97e793df5 in start_thread () from /lib64/libpthread.so.0\
#8  0x00007fa97d6731ad in clone () from /lib64/libc.so.6\
Thread 28 (Thread 0x7fa3ecbfd700 (LWP 7740)):\
#0  0x00007fa97e58a644 in __io_getevents_0_4 () from /lib64/libaio.so.1\
#1  0x0000000000fc6307 in LinuxAIOHandler::collect (this=this@entry=0x7fa3ecbfcda0) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0file.cc:2492\
#2  0x0000000000fc6c9a in LinuxAIOHandler::poll (this=this@entry=0x7fa3ecbfcda0, m1=m1@entry=0x7fa3ecbfce50, m2=m2@entry=0x7fa3ecbfce60, request=request@entry=0x7fa3ecbfce70) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0file.cc:2638\
#3  0x0000000000fc8ba4 in os_aio_linux_handler (request=0x7fa3ecbfce70, m2=0x7fa3ecbfce60, m1=0x7fa3ecbfce50, global_segment=2) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0file.cc:2694\
#4  os_aio_handler (segment=segment@entry=2, m1=m1@entry=0x7fa3ecbfce50, m2=m2@entry=0x7fa3ecbfce60, request=request@entry=0x7fa3ecbfce70) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0file.cc:6246\
#5  0x000000000118070d in fil_aio_wait (segment=segment@entry=2) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/fil/fil0fil.cc:5817\
#6  0x0000000001073d98 in io_handler_thread (arg=<optimized out>) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/srv/srv0start.cc:308\
#7  0x00007fa97e793df5 in start_thread () from /lib64/libpthread.so.0\
#8  0x00007fa97d6731ad in clone () from /lib64/libc.so.6\
Thread 27 (Thread 0x7fa3ec3fc700 (LWP 7741)):\
#0  0x00007fa97e58a644 in __io_getevents_0_4 () from /lib64/libaio.so.1\
#1  0x0000000000fc6307 in LinuxAIOHandler::collect (this=this@entry=0x7fa3ec3fbda0) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0file.cc:2492\
#2  0x0000000000fc6c9a in LinuxAIOHandler::poll (this=this@entry=0x7fa3ec3fbda0, m1=m1@entry=0x7fa3ec3fbe50, m2=m2@entry=0x7fa3ec3fbe60, request=request@entry=0x7fa3ec3fbe70) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0file.cc:2638\
#3  0x0000000000fc8ba4 in os_aio_linux_handler (request=0x7fa3ec3fbe70, m2=0x7fa3ec3fbe60, m1=0x7fa3ec3fbe50, global_segment=3) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0file.cc:2694\
#4  os_aio_handler (segment=segment@entry=3, m1=m1@entry=0x7fa3ec3fbe50, m2=m2@entry=0x7fa3ec3fbe60, request=request@entry=0x7fa3ec3fbe70) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0file.cc:6246\
#5  0x000000000118070d in fil_aio_wait (segment=segment@entry=3) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/fil/fil0fil.cc:5817\
#6  0x0000000001073d98 in io_handler_thread (arg=<optimized out>) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/srv/srv0start.cc:308\
#7  0x00007fa97e793df5 in start_thread () from /lib64/libpthread.so.0\
#8  0x00007fa97d6731ad in clone () from /lib64/libc.so.6\
Thread 26 (Thread 0x7fa3ebbfb700 (LWP 7742)):\
#0  0x00007fa97e58a644 in __io_getevents_0_4 () from /lib64/libaio.so.1\
#1  0x0000000000fc6307 in LinuxAIOHandler::collect (this=this@entry=0x7fa3ebbfada0) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0file.cc:2492\
#2  0x0000000000fc6c9a in LinuxAIOHandler::poll (this=this@entry=0x7fa3ebbfada0, m1=m1@entry=0x7fa3ebbfae50, m2=m2@entry=0x7fa3ebbfae60, request=request@entry=0x7fa3ebbfae70) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0file.cc:2638\
#3  0x0000000000fc8ba4 in os_aio_linux_handler (request=0x7fa3ebbfae70, m2=0x7fa3ebbfae60, m1=0x7fa3ebbfae50, global_segment=4) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0file.cc:2694\
#4  os_aio_handler (segment=segment@entry=4, m1=m1@entry=0x7fa3ebbfae50, m2=m2@entry=0x7fa3ebbfae60, request=request@entry=0x7fa3ebbfae70) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0file.cc:6246\
#5  0x000000000118070d in fil_aio_wait (segment=segment@entry=4) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/fil/fil0fil.cc:5817\
#6  0x0000000001073d98 in io_handler_thread (arg=<optimized out>) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/srv/srv0start.cc:308\
#7  0x00007fa97e793df5 in start_thread () from /lib64/libpthread.so.0\
#8  0x00007fa97d6731ad in clone () from /lib64/libc.so.6\
Thread 25 (Thread 0x7fa3eb3fa700 (LWP 7743)):\
#0  0x00007fa97e58a644 in __io_getevents_0_4 () from /lib64/libaio.so.1\
#1  0x0000000000fc6307 in LinuxAIOHandler::collect (this=this@entry=0x7fa3eb3f9da0) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0file.cc:2492\
#2  0x0000000000fc6c9a in LinuxAIOHandler::poll (this=this@entry=0x7fa3eb3f9da0, m1=m1@entry=0x7fa3eb3f9e50, m2=m2@entry=0x7fa3eb3f9e60, request=request@entry=0x7fa3eb3f9e70) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0file.cc:2638\
#3  0x0000000000fc8ba4 in os_aio_linux_handler (request=0x7fa3eb3f9e70, m2=0x7fa3eb3f9e60, m1=0x7fa3eb3f9e50, global_segment=5) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0file.cc:2694\
#4  os_aio_handler (segment=segment@entry=5, m1=m1@entry=0x7fa3eb3f9e50, m2=m2@entry=0x7fa3eb3f9e60, request=request@entry=0x7fa3eb3f9e70) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0file.cc:6246\
#5  0x000000000118070d in fil_aio_wait (segment=segment@entry=5) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/fil/fil0fil.cc:5817\
#6  0x0000000001073d98 in io_handler_thread (arg=<optimized out>) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/srv/srv0start.cc:308\
#7  0x00007fa97e793df5 in start_thread () from /lib64/libpthread.so.0\
#8  0x00007fa97d6731ad in clone () from /lib64/libc.so.6\
Thread 24 (Thread 0x7fa3eabf9700 (LWP 7744)):\
#0  0x00007fa97e58a644 in __io_getevents_0_4 () from /lib64/libaio.so.1\
#1  0x0000000000fc6307 in LinuxAIOHandler::collect (this=this@entry=0x7fa3eabf8da0) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0file.cc:2492\
#2  0x0000000000fc6c9a in LinuxAIOHandler::poll (this=this@entry=0x7fa3eabf8da0, m1=m1@entry=0x7fa3eabf8e50, m2=m2@entry=0x7fa3eabf8e60, request=request@entry=0x7fa3eabf8e70) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0file.cc:2638\
#3  0x0000000000fc8ba4 in os_aio_linux_handler (request=0x7fa3eabf8e70, m2=0x7fa3eabf8e60, m1=0x7fa3eabf8e50, global_segment=6) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0file.cc:2694\
#4  os_aio_handler (segment=segment@entry=6, m1=m1@entry=0x7fa3eabf8e50, m2=m2@entry=0x7fa3eabf8e60, request=request@entry=0x7fa3eabf8e70) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0file.cc:6246\
#5  0x000000000118070d in fil_aio_wait (segment=segment@entry=6) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/fil/fil0fil.cc:5817\
#6  0x0000000001073d98 in io_handler_thread (arg=<optimized out>) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/srv/srv0start.cc:308\
#7  0x00007fa97e793df5 in start_thread () from /lib64/libpthread.so.0\
#8  0x00007fa97d6731ad in clone () from /lib64/libc.so.6\
Thread 23 (Thread 0x7fa3ea3f8700 (LWP 7745)):\
#0  0x00007fa97e58a644 in __io_getevents_0_4 () from /lib64/libaio.so.1\
#1  0x0000000000fc6307 in LinuxAIOHandler::collect (this=this@entry=0x7fa3ea3f7da0) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0file.cc:2492\
#2  0x0000000000fc6c9a in LinuxAIOHandler::poll (this=this@entry=0x7fa3ea3f7da0, m1=m1@entry=0x7fa3ea3f7e50, m2=m2@entry=0x7fa3ea3f7e60, request=request@entry=0x7fa3ea3f7e70) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0file.cc:2638\
#3  0x0000000000fc8ba4 in os_aio_linux_handler (request=0x7fa3ea3f7e70, m2=0x7fa3ea3f7e60, m1=0x7fa3ea3f7e50, global_segment=7) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0file.cc:2694\
#4  os_aio_handler (segment=segment@entry=7, m1=m1@entry=0x7fa3ea3f7e50, m2=m2@entry=0x7fa3ea3f7e60, request=request@entry=0x7fa3ea3f7e70) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0file.cc:6246\
#5  0x000000000118070d in fil_aio_wait (segment=segment@entry=7) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/fil/fil0fil.cc:5817\
#6  0x0000000001073d98 in io_handler_thread (arg=<optimized out>) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/srv/srv0start.cc:308\
#7  0x00007fa97e793df5 in start_thread () from /lib64/libpthread.so.0\
#8  0x00007fa97d6731ad in clone () from /lib64/libc.so.6\
Thread 22 (Thread 0x7fa3e9bf7700 (LWP 7746)):\
#0  0x00007fa97e58a644 in __io_getevents_0_4 () from /lib64/libaio.so.1\
#1  0x0000000000fc6307 in LinuxAIOHandler::collect (this=this@entry=0x7fa3e9bf6da0) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0file.cc:2492\
#2  0x0000000000fc6c9a in LinuxAIOHandler::poll (this=this@entry=0x7fa3e9bf6da0, m1=m1@entry=0x7fa3e9bf6e50, m2=m2@entry=0x7fa3e9bf6e60, request=request@entry=0x7fa3e9bf6e70) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0file.cc:2638\
#3  0x0000000000fc8ba4 in os_aio_linux_handler (request=0x7fa3e9bf6e70, m2=0x7fa3e9bf6e60, m1=0x7fa3e9bf6e50, global_segment=8) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0file.cc:2694\
#4  os_aio_handler (segment=segment@entry=8, m1=m1@entry=0x7fa3e9bf6e50, m2=m2@entry=0x7fa3e9bf6e60, request=request@entry=0x7fa3e9bf6e70) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0file.cc:6246\
#5  0x000000000118070d in fil_aio_wait (segment=segment@entry=8) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/fil/fil0fil.cc:5817\
#6  0x0000000001073d98 in io_handler_thread (arg=<optimized out>) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/srv/srv0start.cc:308\
#7  0x00007fa97e793df5 in start_thread () from /lib64/libpthread.so.0\
#8  0x00007fa97d6731ad in clone () from /lib64/libc.so.6\
Thread 21 (Thread 0x7fa3e93f6700 (LWP 7747)):\
#0  0x00007fa97e58a644 in __io_getevents_0_4 () from /lib64/libaio.so.1\
#1  0x0000000000fc6307 in LinuxAIOHandler::collect (this=this@entry=0x7fa3e93f5da0) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0file.cc:2492\
#2  0x0000000000fc6c9a in LinuxAIOHandler::poll (this=this@entry=0x7fa3e93f5da0, m1=m1@entry=0x7fa3e93f5e50, m2=m2@entry=0x7fa3e93f5e60, request=request@entry=0x7fa3e93f5e70) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0file.cc:2638\
#3  0x0000000000fc8ba4 in os_aio_linux_handler (request=0x7fa3e93f5e70, m2=0x7fa3e93f5e60, m1=0x7fa3e93f5e50, global_segment=9) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0file.cc:2694\
#4  os_aio_handler (segment=segment@entry=9, m1=m1@entry=0x7fa3e93f5e50, m2=m2@entry=0x7fa3e93f5e60, request=request@entry=0x7fa3e93f5e70) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0file.cc:6246\
#5  0x000000000118070d in fil_aio_wait (segment=segment@entry=9) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/fil/fil0fil.cc:5817\
#6  0x0000000001073d98 in io_handler_thread (arg=<optimized out>) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/srv/srv0start.cc:308\
#7  0x00007fa97e793df5 in start_thread () from /lib64/libpthread.so.0\
#8  0x00007fa97d6731ad in clone () from /lib64/libc.so.6\
Thread 20 (Thread 0x7fa3e8bf5700 (LWP 7748)):\
#0  0x00007fa97e797ab2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0\
#1  0x0000000000fca1d1 in os_event::timed_wait (this=this@entry=0x7fa9763e9cf8, abstime=abstime@entry=0x7fa3e8bf4ba0) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0event.cc:285\
#2  0x0000000000fca3da in os_event::wait_time_low (this=0x7fa9763e9cf8, time_in_usec=<optimized out>, reset_sig_count=<optimized out>, reset_sig_count@entry=2) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0event.cc:412\
#3  0x0000000000fca60a in os_event_wait_time_low (event=<optimized out>, time_in_usec=<optimized out>, reset_sig_count=reset_sig_count@entry=2) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0event.cc:517\
#4  0x000000000112bcd9 in pc_sleep_if_needed (sig_count=2, next_loop_time=1550210384258) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/buf/buf0flu.cc:2690\
#5  buf_flush_page_cleaner_coordinator (arg=<optimized out>) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/buf/buf0flu.cc:3191\
#6  0x00007fa97e793df5 in start_thread () from /lib64/libpthread.so.0\
#7  0x00007fa97d6731ad in clone () from /lib64/libc.so.6\
Thread 19 (Thread 0x7fa3e83f4700 (LWP 7749)):\
#0  0x00007fa97e797705 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0\
#1  0x0000000000fca651 in wait (this=<optimized out>) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0event.cc:165\
#2  wait_low (reset_sig_count=<optimized out>, this=0x7fa42cef3a78) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0event.cc:335\
#3  os_event_wait_low (event=0x7fa42cef3a78, reset_sig_count=reset_sig_count@entry=0) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0event.cc:534\
#4  0x000000000112b70f in buf_flush_page_cleaner_worker (arg=<optimized out>) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/buf/buf0flu.cc:3496\
#5  0x00007fa97e793df5 in start_thread () from /lib64/libpthread.so.0\
#6  0x00007fa97d6731ad in clone () from /lib64/libc.so.6\
Thread 18 (Thread 0x7fa3e7bf3700 (LWP 7750)):\
#0  0x00007fa97e797705 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0\
#1  0x0000000000fca651 in wait (this=<optimized out>) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0event.cc:165\
#2  wait_low (reset_sig_count=<optimized out>, this=0x7fa42cef3a78) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0event.cc:335\
#3  os_event_wait_low (event=0x7fa42cef3a78, reset_sig_count=reset_sig_count@entry=0) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0event.cc:534\
#4  0x000000000112b70f in buf_flush_page_cleaner_worker (arg=<optimized out>) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/buf/buf0flu.cc:3496\
#5  0x00007fa97e793df5 in start_thread () from /lib64/libpthread.so.0\
#6  0x00007fa97d6731ad in clone () from /lib64/libc.so.6\
Thread 17 (Thread 0x7fa3e73f2700 (LWP 7751)):\
#0  0x00007fa97e797705 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0\
#1  0x0000000000fca651 in wait (this=<optimized out>) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0event.cc:165\
#2  wait_low (reset_sig_count=<optimized out>, this=0x7fa42cef3a78) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0event.cc:335\
#3  os_event_wait_low (event=0x7fa42cef3a78, reset_sig_count=reset_sig_count@entry=0) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0event.cc:534\
#4  0x000000000112b70f in buf_flush_page_cleaner_worker (arg=<optimized out>) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/buf/buf0flu.cc:3496\
#5  0x00007fa97e793df5 in start_thread () from /lib64/libpthread.so.0\
#6  0x00007fa97d6731ad in clone () from /lib64/libc.so.6\
Thread 16 (Thread 0x7fa3e3fff700 (LWP 7754)):\
#0  0x00007fa97e797ab2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0\
#1  0x0000000000fca1d1 in os_event::timed_wait (this=this@entry=0x7fa42cef39d8, abstime=abstime@entry=0x7fa3e3ffeda0) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0event.cc:285\
#2  0x0000000000fca3da in os_event::wait_time_low (this=this@entry=0x7fa42cef39d8, time_in_usec=time_in_usec@entry=1000000, reset_sig_count=<optimized out>, reset_sig_count@entry=1) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0event.cc:412\
#3  0x0000000000fca60a in os_event_wait_time_low (event=event@entry=0x7fa42cef39d8, time_in_usec=time_in_usec@entry=1000000, reset_sig_count=reset_sig_count@entry=1) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0event.cc:517\
#4  0x0000000000f981df in lock_wait_timeout_thread (arg=<optimized out>) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/lock/lock0wait.cc:501\
#5  0x00007fa97e793df5 in start_thread () from /lib64/libpthread.so.0\
#6  0x00007fa97d6731ad in clone () from /lib64/libc.so.6\
Thread 15 (Thread 0x7fa3db7ff700 (LWP 7755)):\
#0  0x00007fa97e797ab2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0\
#1  0x0000000000fca1d1 in os_event::timed_wait (this=this@entry=0x7fa9763e9b18, abstime=abstime@entry=0x7fa3db7fec60) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0event.cc:285\
#2  0x0000000000fca3da in os_event::wait_time_low (this=0x7fa9763e9b18, time_in_usec=time_in_usec@entry=1000000, reset_sig_count=<optimized out>) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0event.cc:412\
#3  0x0000000000fca60a in os_event_wait_time_low (event=<optimized out>, time_in_usec=time_in_usec@entry=1000000, reset_sig_count=<optimized out>) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0event.cc:517\
#4  0x000000000106db55 in srv_error_monitor_thread (arg=<optimized out>) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/srv/srv0srv.cc:1737\
#5  0x00007fa97e793df5 in start_thread () from /lib64/libpthread.so.0\
#6  0x00007fa97d6731ad in clone () from /lib64/libc.so.6\
Thread 14 (Thread 0x7fa3daffe700 (LWP 7756)):\
#0  0x00007fa97e797ab2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0\
#1  0x0000000000fca1d1 in os_event::timed_wait (this=this@entry=0x7fa9763e9bb8, abstime=abstime@entry=0x7fa3daffde70) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0event.cc:285\
#2  0x0000000000fca3da in os_event::wait_time_low (this=0x7fa9763e9bb8, time_in_usec=time_in_usec@entry=5000000, reset_sig_count=<optimized out>) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0event.cc:412\
#3  0x0000000000fca60a in os_event_wait_time_low (event=<optimized out>, time_in_usec=time_in_usec@entry=5000000, reset_sig_count=<optimized out>) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0event.cc:517\
#4  0x000000000107065e in srv_monitor_thread (arg=<optimized out>) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/srv/srv0srv.cc:1571\
#5  0x00007fa97e793df5 in start_thread () from /lib64/libpthread.so.0\
#6  0x00007fa97d6731ad in clone () from /lib64/libc.so.6\
Thread 13 (Thread 0x7fa3da7fd700 (LWP 7757)):\
#0  0x00007fa97e79a99d in nanosleep () from /lib64/libpthread.so.0\
#1  0x0000000000fcab80 in os_thread_sleep (tm=tm@entry=1000000) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0thread.cc:279\
#2  0x0000000001070b80 in srv_master_sleep () at /data1/mutex_futex/mysql-5.7.17/storage/innobase/srv/srv0srv.cc:2316\
#3  srv_master_thread (arg=<optimized out>) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/srv/srv0srv.cc:2363\
#4  0x00007fa97e793df5 in start_thread () from /lib64/libpthread.so.0\
#5  0x00007fa97d6731ad in clone () from /lib64/libc.so.6\
Thread 12 (Thread 0x7fa3d9ffc700 (LWP 7758)):\
#0  0x00007fa97e797705 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0\
#1  0x0000000000fca651 in wait (this=<optimized out>) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0event.cc:165\
#2  wait_low (reset_sig_count=<optimized out>, this=0x7fa9763e9898) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0event.cc:335\
#3  os_event_wait_low (event=0x7fa9763e9898, reset_sig_count=reset_sig_count@entry=1) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0event.cc:534\
#4  0x00000000010719f3 in srv_purge_coordinator_suspend (rseg_history_len=<optimized out>, slot=<optimized out>) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/srv/srv0srv.cc:2662\
#5  srv_purge_coordinator_thread (arg=<optimized out>) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/srv/srv0srv.cc:2778\
#6  0x00007fa97e793df5 in start_thread () from /lib64/libpthread.so.0\
#7  0x00007fa97d6731ad in clone () from /lib64/libc.so.6\
Thread 11 (Thread 0x7fa3d97fb700 (LWP 7759)):\
#0  0x00007fa97e797705 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0\
#1  0x0000000000fca651 in wait (this=<optimized out>) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0event.cc:165\
#2  wait_low (reset_sig_count=<optimized out>, this=0x7fa9763e9938) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0event.cc:335\
#3  os_event_wait_low (event=0x7fa9763e9938, reset_sig_count=reset_sig_count@entry=0) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0event.cc:534\
#4  0x00000000010721ea in srv_worker_thread (arg=<optimized out>) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/srv/srv0srv.cc:2506\
#5  0x00007fa97e793df5 in start_thread () from /lib64/libpthread.so.0\
#6  0x00007fa97d6731ad in clone () from /lib64/libc.so.6\
Thread 10 (Thread 0x7fa3d8ffa700 (LWP 7760)):\
#0  0x00007fa97e797705 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0\
#1  0x0000000000fca651 in wait (this=<optimized out>) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0event.cc:165\
#2  wait_low (reset_sig_count=<optimized out>, this=0x7fa9763e9a78) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0event.cc:335\
#3  os_event_wait_low (event=0x7fa9763e9a78, reset_sig_count=reset_sig_count@entry=0) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0event.cc:534\
#4  0x00000000010721ea in srv_worker_thread (arg=<optimized out>) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/srv/srv0srv.cc:2506\
#5  0x00007fa97e793df5 in start_thread () from /lib64/libpthread.so.0\
#6  0x00007fa97d6731ad in clone () from /lib64/libc.so.6\
Thread 9 (Thread 0x7fa3d87f9700 (LWP 7761)):\
#0  0x00007fa97e797705 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0\
#1  0x0000000000fca651 in wait (this=<optimized out>) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0event.cc:165\
#2  wait_low (reset_sig_count=<optimized out>, this=0x7fa9763e99d8) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0event.cc:335\
#3  os_event_wait_low (event=0x7fa9763e99d8, reset_sig_count=reset_sig_count@entry=0) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0event.cc:534\
#4  0x00000000010721ea in srv_worker_thread (arg=<optimized out>) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/srv/srv0srv.cc:2506\
#5  0x00007fa97e793df5 in start_thread () from /lib64/libpthread.so.0\
#6  0x00007fa97d6731ad in clone () from /lib64/libc.so.6\
Thread 8 (Thread 0x7fa3d7ff8700 (LWP 7762)):\
#0  0x00007fa97e79aac3 in pread64 () from /lib64/libpthread.so.0\
#1  0x0000000000fc4b97 in execute (request=..., this=<synthetic pointer>) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0file.cc:2169\
#2  os_file_io (in_type=..., file=file@entry=1427, buf=buf@entry=0x7fa96292e000, n=n@entry=8192, offset=offset@entry=7094272, err=err@entry=0x7fa3d7ff57c0) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0file.cc:5421\
#3  0x0000000000fc5824 in os_file_pread (err=0x7fa3d7ff57c0, offset=7094272, n=8192, buf=0x7fa96292e000, file=1427, type=...) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0file.cc:5599\
#4  os_file_read_page (type=..., file=file@entry=1427, buf=buf@entry=0x7fa96292e000, offset=offset@entry=7094272, n=n@entry=8192, o=0x0, exit_on_err=true, exit_on_err=true, o=0x0) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0file.cc:5638\
#5  0x0000000000fc5e1e in os_file_read_func (n=8192, offset=7094272, buf=0x7fa96292e000, file=1427, type=...) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0file.cc:6031\
#6  os_aio_func (type=..., mode=mode@entry=24, name=name@entry=0x7fa3e4c2eed8 "./graph_34/object_8940.ibd", file=file@entry=1427, buf=buf@entry=0x7fa96292e000, offset=offset@entry=7094272, n=n@entry=8192, read_only=read_only@entry=false, m1=m1@entry=0x7fa3e4c24a98, m2=m2@entry=0x7fa3fdd1a1b8) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0file.cc:7440\
#7  0x0000000001188f99 in pfs_os_aio_func (src_file=0x15f9de8 "/data1/mutex_futex/mysql-5.7.17/storage/innobase/fil/fil0fil.cc", src_line=5760, m2=0x7fa3fdd1a1b8, m1=0x7fa3e4c24a98, read_only=false, n=8192, offset=7094272, buf=0x7fa96292e000, file=1427, name=0x7fa3e4c2eed8 "./graph_34/object_8940.ibd", mode=24, type=...) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/include/os0file.ic:252\
#8  fil_io (type=..., sync=sync@entry=true, page_id=..., page_size=..., byte_offset=byte_offset@entry=0, len=8192, buf=0x7fa96292e000, message=message@entry=0x7fa3fdd1a1b8) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/fil/fil0fil.cc:5760\
#9  0x000000000113a03e in buf_read_page_low (err=0x7fa3d7ff5e6c, sync=<optimized out>, type=192, mode=<optimized out>, page_id=..., page_size=..., unzip=false) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/buf/buf0rea.cc:183\
#10 0x000000000113b6fb in buf_read_page_background (page_id=..., page_size=..., sync=sync@entry=true) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/buf/buf0rea.cc:442\
#11 0x000000000111f8c5 in buf_load () at /data1/mutex_futex/mysql-5.7.17/storage/innobase/buf/buf0dump.cc:679\
#12 0x000000000111fe4c in buf_dump_thread (arg=<optimized out>) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/buf/buf0dump.cc:776\
#13 0x00007fa97e793df5 in start_thread () from /lib64/libpthread.so.0\
#14 0x00007fa97d6731ad in clone () from /lib64/libc.so.6\
Thread 7 (Thread 0x7fa3d77f7700 (LWP 7763)):\
#0  0x00007fa97e797ab2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0\
#1  0x0000000000fca1d1 in os_event::timed_wait (this=this@entry=0x7fa42cf4c3f8, abstime=abstime@entry=0x7fa3d77f6db0) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0event.cc:285\
#2  0x0000000000fca3da in os_event::wait_time_low (this=0x7fa42cf4c3f8, time_in_usec=time_in_usec@entry=10000000, reset_sig_count=<optimized out>, reset_sig_count@entry=0) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0event.cc:412\
#3  0x0000000000fca60a in os_event_wait_time_low (event=<optimized out>, time_in_usec=time_in_usec@entry=10000000, reset_sig_count=reset_sig_count@entry=0) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0event.cc:517\
#4  0x0000000001179193 in dict_stats_thread (arg=<optimized out>) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/dict/dict0stats_bg.cc:421\
#5  0x00007fa97e793df5 in start_thread () from /lib64/libpthread.so.0\
#6  0x00007fa97d6731ad in clone () from /lib64/libc.so.6\
Thread 6 (Thread 0x7fa3d6ff6700 (LWP 7764)):\
#0  0x00007fa97e797ab2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0\
#1  0x0000000000fca1d1 in os_event::timed_wait (this=this@entry=0x7fa3e4663b18, abstime=abstime@entry=0x7fa3d6ff5c20) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0event.cc:285\
#2  0x0000000000fca3da in os_event::wait_time_low (this=0x7fa3e4663b18, time_in_usec=time_in_usec@entry=5000000, reset_sig_count=<optimized out>, reset_sig_count@entry=1) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0event.cc:412\
#3  0x0000000000fca60a in os_event_wait_time_low (event=<optimized out>, time_in_usec=time_in_usec@entry=5000000, reset_sig_count=reset_sig_count@entry=1) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0event.cc:517\
#4  0x00000000010d0061 in ib_wqueue_timedwait (wq=wq@entry=0x7fa3e4395618, wait_in_usecs=wait_in_usecs@entry=5000000) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/ut/ut0wqueue.cc:160\
#5  0x00000000011ccf8e in fts_optimize_thread (arg=<optimized out>) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/fts/fts0opt.cc:3040\
#6  0x00007fa97e793df5 in start_thread () from /lib64/libpthread.so.0\
#7  0x00007fa97d6731ad in clone () from /lib64/libc.so.6\
Thread 5 (Thread 0x7fa3d67f5700 (LWP 7765)):\
#0  0x00007fa97e797705 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0\
#1  0x0000000000fca651 in wait (this=<optimized out>) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0event.cc:165\
#2  wait_low (reset_sig_count=<optimized out>, this=0x7fa9763e9d98) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0event.cc:335\
#3  os_event_wait_low (event=0x7fa9763e9d98, reset_sig_count=reset_sig_count@entry=0) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/os/os0event.cc:534\
#4  0x0000000001114f6c in buf_resize_thread (arg=<optimized out>) at /data1/mutex_futex/mysql-5.7.17/storage/innobase/buf/buf0buf.cc:3015\
#5  0x00007fa97e793df5 in start_thread () from /lib64/libpthread.so.0\
#6  0x00007fa97d6731ad in clone () from /lib64/libc.so.6\
Thread 4 (Thread 0x7fa97edd2700 (LWP 7766)):\
#0  0x00007fa97e79aec1 in sigwait () from /lib64/libpthread.so.0\
#1  0x000000000078824b in signal_hand (arg=arg@entry=0x0) at /data1/mutex_futex/mysql-5.7.17/sql/mysqld.cc:2101\
#2  0x000000000120f971 in pfs_spawn_thread (arg=0x7fa975fff420) at /data1/mutex_futex/mysql-5.7.17/storage/perfschema/pfs.cc:2188\
#3  0x00007fa97e793df5 in start_thread () from /lib64/libpthread.so.0\
#4  0x00007fa97d6731ad in clone () from /lib64/libc.so.6\
Thread 3 (Thread 0x7fa3d5ff4700 (LWP 7768)):\
#0  0x00007fa97e797705 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0\
#1  0x0000000000e28b13 in native_cond_wait (mutex=<optimized out>, cond=<optimized out>) at /data1/mutex_futex/mysql-5.7.17/include/thr_cond.h:140\
#2  my_cond_wait (mp=<optimized out>, cond=<optimized out>) at /data1/mutex_futex/mysql-5.7.17/include/thr_cond.h:195\
#3  inline_mysql_cond_wait (that=<optimized out>, mutex=<optimized out>, src_file=0x15b0fa0 "/data1/mutex_futex/mysql-5.7.17/sql/rpl_gtid_persist.cc", src_line=852) at /data1/mutex_futex/mysql-5.7.17/include/mysql/psi/mysql_thread.h:1184\
#4  compress_gtid_table (p_thd=p_thd@entry=0x7fa3e470f000) at /data1/mutex_futex/mysql-5.7.17/sql/rpl_gtid_persist.cc:852\
#5  0x000000000120f971 in pfs_spawn_thread (arg=0x7fa975fff820) at /data1/mutex_futex/mysql-5.7.17/storage/perfschema/pfs.cc:2188\
#6  0x00007fa97e793df5 in start_thread () from /lib64/libpthread.so.0\
#7  0x00007fa97d6731ad in clone () from /lib64/libc.so.6\
Thread 2 (Thread 0x7fa97ed91700 (LWP 7769)):\
#0  0x00007fa97e797705 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0\
#1  0x0000000000d57f0a in native_cond_wait (mutex=0x1e4cea0 <Per_thread_connection_handler::LOCK_thread_cache>, cond=0x1e4ce60 <Per_thread_connection_handler::COND_thread_cache>) at /data1/mutex_futex/mysql-5.7.17/include/thr_cond.h:140\
#2  my_cond_wait (mp=0x1e4cea0 <Per_thread_connection_handler::LOCK_thread_cache>, cond=0x1e4ce60 <Per_thread_connection_handler::COND_thread_cache>) at /data1/mutex_futex/mysql-5.7.17/include/thr_cond.h:195\
#3  inline_mysql_cond_wait (mutex=0x1e4cea0 <Per_thread_connection_handler::LOCK_thread_cache>, src_file=0x15472a0 "/data1/mutex_futex/mysql-5.7.17/sql/conn_handler/connection_handler_per_thread.cc", src_line=145, that=0x1e4ce60 <Per_thread_connection_handler::COND_thread_cache>) at /data1/mutex_futex/mysql-5.7.17/include/mysql/psi/mysql_thread.h:1184\
#4  Per_thread_connection_handler::block_until_new_connection () at /data1/mutex_futex/mysql-5.7.17/sql/conn_handler/connection_handler_per_thread.cc:145\
#5  0x0000000000d5807f in handle_connection (arg=arg@entry=0x7fa3e43309c0) at /data1/mutex_futex/mysql-5.7.17/sql/conn_handler/connection_handler_per_thread.cc:329\
#6  0x000000000120f971 in pfs_spawn_thread (arg=0x7fa975fff420) at /data1/mutex_futex/mysql-5.7.17/storage/perfschema/pfs.cc:2188\
#7  0x00007fa97e793df5 in start_thread () from /lib64/libpthread.so.0\
#8  0x00007fa97d6731ad in clone () from /lib64/libc.so.6\
Thread 1 (Thread 0x7fa97ede1780 (LWP 7736)):\
#0  0x00007fa97d668b7d in poll () from /lib64/libc.so.6\
#1  0x0000000000d59ddd in Mysqld_socket_listener::listen_for_connection_event (this=0x7fa3e4311480) at /data1/mutex_futex/mysql-5.7.17/sql/conn_handler/socket_connection.cc:845\
#2  0x00000000007902c9 in connection_event_loop (this=0x7fa974bff1c0) at /data1/mutex_futex/mysql-5.7.17/sql/conn_handler/connection_acceptor.h:66\
#3  mysqld_main (argc=71, argv=0x7fa97c8374f8) at /data1/mutex_futex/mysql-5.7.17/sql/mysqld.cc:5043\
#4  0x00007fa97d59eaf5 in __libc_start_main () from /lib64/libc.so.6\
#5  0x0000000000785455 in _start ()\
}