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@agentzh
Created June 19, 2020 23:37
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contented sema ffff888d66026a40
released sem ffff888d66026a40
0xffffffff811337d0 : up_write+0x0/0x30 [kernel]
0xffffffff811ac770 : relay_file_read+0x260/0x2c0 [kernel]
0xffffffff813edc73 : full_proxy_read+0x53/0x80 [kernel]
0xffffffff812e3866 : __vfs_read+0x36/0x1a0 [kernel]
0xffffffff812e3a61 : vfs_read+0x91/0x140 [kernel]
0xffffffff812e4027 : ksys_read+0x57/0xd0 [kernel]
0xffffffff810041ab : do_syscall_64+0x5b/0x160 [kernel]
0xffffffff81a0008c : entry_SYSCALL_64_after_hwframe+0x44/0xa9 [kernel]
0xffffffff81a0008c : entry_SYSCALL_64_after_hwframe+0x44/0xa9 [kernel] (inexact)
0x7f08a1e7fb84 : __read+0x44/0xa0 [/usr/lib64/libpthread-2.27.so]
0x5648549b51b1 : reader_thread+0x93c/0xa29 [/opt/stap-plus/libexec/systemtap/stapio]
0x7f08a1e76594 : start_thread+0xe4/0x3c0 [/usr/lib64/libpthread-2.27.so]
0x7f08a1baae5f : clone+0x3f/0x60 [/usr/lib64/libc-2.27.so]
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