Hi Linus,
On Sun, 2005-05-29 at 11:49 -0700, Linus Torvalds wrote:
> I suspect that the _real_ change is that the pipe can now fill up with
> sixteen times more data (ie 64kB of data in one read() or write()
> operation rather than 4kB), and that as a result Crossover may be doing a
> lot bigger requests to the X server too.
>
> Alternatively, it's possible that Crossover has taken mouse focus (does
> the mouse move around while the machine is "frozen"?) and Crossover itself
> is confused by the bigger buffers and pauses due to some bug while it is
> holding on to the mouse focus - making the system unusable. It's probably
> some race that triggers this (getting data at the right speed), and
> tracing it just changes timing enough that you won't see it.
>
> (Btw, if you didn't already, I'd suggest forcing strace output to a file,
> not the screen, since that at least changes timings and X interactions
> _less_)
>
> The pipe_poll() thing was possibly true even before - if the two main
> processes are communicating over a pipe, it's quite possible that
> pipe_poll() ends up being the most common op by far. See if the poll
> timeout changes (or is zero).
The mouse cursor does not move and the screen does not refresh. The
machine locks up completely for few seconds (actually more like 5-10 s)
and then the system comes back up (after which it can be used normally).
I cannot even switch virtual consoles. Please note that I can
immediately reproduce the problem again as many times as I want by doing
the test scenario.
Forcing strace to output to a file does not change anything. I still
cannot reproduce the problem. I've included lsof output, oprofile, and
snippet of strace for a run where I am doing the same test scenario but
failing to reproduce the bug. The real strace is quite large (4 MBs for
five to ten seconds of running application) but the bits I have included
here seem to repeat itself. I am tracing the process that actually runs
WINWORD.EXE.
Is it possible that your changes for pipes to fill up to 64 KB confuses
pipe_poll and friends? The funny thing is that when I am stracing (and
thus not hitting the problem), I do not see _any_ calls to sys_poll but
when I _do_ hit the bug, pipe_poll clearly shows up in oprofile. Also,
don't ptrace calls use signals? I can see plenty of paths in the pipe
code doing signal_pending() and exiting when the condition is true.
Pekka
COMMAND PID USER FD TYPE DEVICE SIZE NODE NAME
wine-prel 9368 penberg cwd DIR 3,3 4096 311341 /home/penberg
wine-prel 9368 penberg rtd DIR 3,3 4096 2 /
wine-prel 9368 penberg txt REG 3,3 9076 1881956 /opt/cxoffice/bin/wine-preloader
wine-prel 9368 penberg mem REG 3,3 1867306 /home/penberg/.cxoffice/dotwine/fake_windows/Program (stat: No such file or directory)
wine-prel 9368 penberg mem REG 3,3 2779548 366172 /home/penberg/.cxoffice/dotwine/fake_windows/Windows/System/msi.dll
wine-prel 9368 penberg mem REG 3,3 1086080 /home/penberg/.cxoffice/dotwine/fake_windows/Program (stat: No such file or directory)
wine-prel 9368 penberg mem REG 3,3 1086064 /home/penberg/.cxoffice/dotwine/fake_windows/Program (stat: No such file or directory)
wine-prel 9368 penberg mem REG 3,3 421888 1772930 /home/penberg/.cxoffice/dotwine/fake_windows/Windows/System/RICHED20.DLL
wine-prel 9368 penberg mem REG 3,3 1866707 /home/penberg/.cxoffice/dotwine/fake_windows/Program (stat: No such file or directory)
wine-prel 9368 penberg mem REG 3,3 1866785 /home/penberg/.cxoffice/dotwine/fake_windows/Program (stat: No such file or directory)
wine-prel 9368 penberg mem REG 3,3 18192 366453 /home/penberg/.cxoffice/dotwine/fake_windows/Windows/System/sage.dll
wine-prel 9368 penberg mem REG 3,3 614672 366194 /home/penberg/.cxoffice/dotwine/fake_windows/Windows/System/OLEAUT32.DLL
wine-prel 9368 penberg mem REG 3,3 775952 366234 /home/penberg/.cxoffice/dotwine/fake_windows/Windows/System/ole32.dll
wine-prel 9368 penberg DEL REG 3,3 3093908 /tmp/.wine-1000/server-5962d/anonmap.ZEpqO4
wine-prel 9368 penberg mem REG 3,3 321296 366240 /home/penberg/.cxoffice/dotwine/fake_windows/Windows/System/rpcrt4.dll
wine-prel 9368 penberg mem REG 3,3 391168 364896 /home/penberg/.cxoffice/dotwine/fake_windows/Windows/System/SHLWAPI.DLL
wine-prel 9368 penberg mem REG 3,3 456388 1898134 /opt/cxoffice/lib/wine/ntdll.dll.so
wine-prel 9368 penberg mem REG 3,3 6472 1881957 /opt/cxoffice/bin/wine-pthread
wine-prel 9368 penberg mem REG 0,0 0 [heap] (stat: No such file or directory)
wine-prel 9368 penberg mem REG 3,3 257636 1086001 /home/penberg/.cxoffice/dotwine/fake_windows/Windows/Fonts/Tahoma.TTF
wine-prel 9368 penberg mem REG 3,3 333900 2852689 /usr/share/fonts/corefonts/timesbd.ttf
wine-prel 9368 penberg mem REG 3,3 142312 1898158 /opt/cxoffice/lib/wine/msacm32.dll.so
wine-prel 9368 penberg mem REG 3,3 249028 1898044 /opt/cxoffice/lib/wine/wineoss.drv.so
wine-prel 9368 penberg mem REG 3,3 468580 1898059 /opt/cxoffice/lib/wine/winmm.dll.so
wine-prel 9368 penberg mem REG 3,3 105944 1898076 /opt/cxoffice/lib/wine/version.dll.so
wine-prel 9368 penberg mem REG 3,3 6528 1079723 /home/penberg/.cxoffice/dotwine/fake_windows/Windows/Fonts/wine_vgasys.fon
wine-prel 9368 penberg mem REG 3,3 286620 2208495 /usr/share/fonts/corefonts/arialbd.ttf
wine-prel 9368 penberg mem REG 3,3 305220 1898064 /opt/cxoffice/lib/wine/winedos.dll.so
wine-prel 9368 penberg mem REG 3,3 275572 2208494 /usr/share/fonts/corefonts/arial.ttf
wine-prel 9368 penberg mem REG 3,3 302688 2208501 /usr/share/fonts/corefonts/cour.ttf
wine-prel 9368 penberg mem REG 3,3 63684 1085990 /home/penberg/.cxoffice/dotwine/fake_windows/Windows/Fonts/VeraIt.ttf
wine-prel 9368 penberg DEL REG 3,3 3093919 /tmp/.wine-1000/server-5962d/anonmap.5J7DDs
wine-prel 9368 penberg mem REG 3,3 98272 1898049 /opt/cxoffice/lib/wine/msacm.drv.so
wine-prel 9368 penberg mem REG 3,3 252384 1086000 /home/penberg/.cxoffice/dotwine/fake_windows/Windows/Fonts/TahomaBD.TTF
wine-prel 9368 penberg DEL REG 3,3 3093917 /tmp/.wine-1000/server-5962d/anonmap.O8NFES
wine-prel 9368 penberg DEL REG 3,3 3093915 /tmp/.wine-1000/server-5962d/anonmap.rddWfB
wine-prel 9368 penberg mem REG 3,3 85416 1898050 /opt/cxoffice/lib/wine/midimap.drv.so
wine-prel 9368 penberg mem REG 3,3 93156 1898165 /opt/cxoffice/lib/wine/lz32.dll.so
wine-prel 9368 penberg DEL REG 3,3 3093918 /tmp/.wine-1000/server-5962d/anonmap.CWi6XR
wine-prel 9368 penberg mem REG 3,3 20112 1081110 /home/penberg/.cxoffice/dotwine/fake_windows/Windows/Fonts/wine_sserife.fon
wine-prel 9368 penberg mem REG 3,3 330412 2852688 /usr/share/fonts/corefonts/times.ttf
wine-prel 9368 penberg DEL REG 3,3 3093916 /tmp/.wine-1000/server-5962d/anonmap.tvXNbP
wine-prel 9368 penberg DEL REG 3,3 3093913 /tmp/.wine-1000/server-5962d/anonmap.6SK7BF
wine-prel 9368 penberg DEL REG 3,3 3093911 /tmp/.wine-1000/server-5962d/anonmap.0kzLDZ
wine-prel 9368 penberg mem REG 3,3 1086139 /home/penberg/.cxoffice/dotwine/fake_windows/Program (stat: No such file or directory)
wine-prel 9368 penberg DEL REG 3,3 3093909 /tmp/.wine-1000/server-5962d/anonmap.UpYvef
wine-prel 9368 penberg mem REG 3,3 1086147 /home/penberg/.cxoffice/dotwine/fake_windows/Program (stat: No such file or directory)
wine-prel 9368 penberg mem REG 3,3 1075024 932291 /usr/lib/libcrypto.so.0.9.7
wine-prel 9368 penberg mem REG 3,3 197760 967730 /usr/lib/libssl.so.0.9.7
wine-prel 9368 penberg mem REG 3,3 467516 1898062 /opt/cxoffice/lib/wine/wineps.dll.so
wine-prel 9368 penberg DEL REG 0,7 983066 /SYSV00000000
wine-prel 9368 penberg DEL REG 0,7 950300 /SYSV00000000
wine-prel 9368 penberg mem REG 3,3 114100 1407967 /usr/lib/libcups.so.2
wine-prel 9368 penberg DEL REG 3,3 3093914 /tmp/.wine-1000/server-5962d/anonmap.ifO9K1
wine-prel 9368 penberg mem REG 3,3 122084 1898176 /opt/cxoffice/lib/wine/imm32.dll.so
wine-prel 9368 penberg mem REG 3,3 142134 1948180 /usr/lib/X11/locale/lib/common/ximcp.so.2
wine-prel 9368 penberg mem REG 3,3 543927 2110396 /usr/lib/opengl/xorg-x11/lib/libGL.so.1.2
wine-prel 9368 penberg mem REG 3,3 937728 1833443 /usr/lib/libX11.so.6.2
wine-prel 9368 penberg mem REG 3,3 494724 1898026 /opt/cxoffice/lib/wine/x11drv.dll.so
wine-prel 9368 penberg mem REG 3,3 130732 1145690 /usr/lib/libexpat.so.0.5.0
wine-prel 9368 penberg mem REG 3,3 552344 1015017 /usr/lib/libfreetype.so.6.3.7
wine-prel 9368 penberg mem REG 3,3 152672 1804882 /usr/lib/libfontconfig.so.1.0.4
wine-prel 9368 penberg mem REG 3,3 98982 1833580 /usr/lib/libICE.so.6.3
wine-prel 9368 penberg mem REG 3,3 65928 2192834 /lib/libz.so.1.2.2
wine-prel 9368 penberg mem REG 3,3 37056 1249025 /usr/lib/gcc-lib/i686-pc-linux-gnu/3.3.4/libgcc_s.so.1
wine-prel 9368 penberg mem REG 3,3 9780 3402055 /usr/lib/gconv/ISO8859-15.so
wine-prel 9368 penberg mem REG 3,3 445516 1898034 /opt/cxoffice/lib/libcxfreetype.so.6.3.7
wine-prel 9368 penberg mem REG 3,3 143932 1898039 /opt/cxoffice/lib/wine/winspool.drv.so
wine-prel 9368 penberg mem REG 3,3 633124 1898218 /opt/cxoffice/lib/wine/comctl32.dll.so
wine-prel 9368 penberg mem REG 3,3 266293 366272 /home/penberg/.cxoffice/dotwine/fake_windows/Windows/System/MSVCRT.DLL
wine-prel 9368 penberg mem REG 3,3 575428 1898099 /opt/cxoffice/lib/wine/shell32.dll.so
wine-prel 9368 penberg mem REG 3,3 911140 1898086 /opt/cxoffice/lib/wine/user32.dll.so
wine-prel 9368 penberg mem REG 3,3 451236 1898186 /opt/cxoffice/lib/wine/gdi32.dll.so
wine-prel 9368 penberg mem REG 3,3 201604 1898231 /opt/cxoffice/lib/wine/advapi32.dll.so
wine-prel 9368 penberg mem REG 3,3 21544 278085 /usr/lib/gconv/gconv-modules.cache
wine-prel 9368 penberg mem REG 3,3 35170 1833584 /usr/lib/libXrender.so.1.2.2
wine-prel 9368 penberg mem REG 3,3 41579 1833612 /usr/lib/libXcursor.so.1.0.2
wine-prel 9368 penberg mem REG 3,3 178728 2882009 /usr/lib/locale/fi_FI@euro/LC_CTYPE
wine-prel 9368 penberg mem REG 3,3 1073956 1898173 /opt/cxoffice/lib/wine/kernel32.dll.so
wine-prel 9368 penberg mem REG 3,3 19005 1833471 /usr/lib/libXxf86vm.so.1.0
wine-prel 9368 penberg mem REG 3,3 35136 3304756 /lib/libnss_compat-2.3.5.so
wine-prel 9368 penberg mem REG 3,3 65868 1833600 /usr/lib/libXext.so.6.4
wine-prel 9368 penberg mem REG 3,3 37964 1833530 /usr/lib/libSM.so.6.0
wine-prel 9368 penberg mem REG 3,3 165848 2665726 /lib/tls/libm-2.3.5.so
wine-prel 9368 penberg mem REG 3,3 12586 1948177 /usr/lib/X11/locale/lib/common/xlcDef.so.2
wine-prel 9368 penberg mem REG 3,3 84024 3304441 /lib/libnsl-2.3.5.so
wine-prel 9368 penberg mem REG 3,3 994768 1897964 /opt/cxoffice/lib/libwine_unicode.so.1
wine-prel 9368 penberg DEL REG 3,3 3093907 /tmp/.wine-1000/server-5962d/anonmap.873qK8
wine-prel 9368 penberg mem REG 3,3 47760 3304426 /lib/libnss_files-2.3.5.so
wine-prel 9368 penberg mem REG 3,3 10672 3304415 /lib/libdl-2.3.5.so
wine-prel 9368 penberg mem REG 3,3 1302712 2668469 /lib/tls/libc-2.3.5.so
wine-prel 9368 penberg mem REG 3,3 166679 2569324 /lib/tls/libpthread-2.3.5.so
wine-prel 9368 penberg mem REG 3,3 39772 3304442 /lib/libnss_nis-2.3.5.so
wine-prel 9368 penberg mem REG 3,3 22556 1897963 /opt/cxoffice/lib/libwine.so.1
wine-prel 9368 penberg mem REG 3,3 94932 3304229 /lib/ld-2.3.5.so
wine-prel 9368 penberg 0u CHR 136,0 2 /dev/pts/0
wine-prel 9368 penberg 1u CHR 136,0 2 /dev/pts/0
wine-prel 9368 penberg 2u CHR 136,0 2 /dev/pts/0
wine-prel 9368 penberg 3u unix 0xd16a2980 16826 socket
wine-prel 9368 penberg 4w FIFO 0,5 16828 pipe
wine-prel 9368 penberg 5r FIFO 0,5 16829 pipe
wine-prel 9368 penberg 6u REG 3,3 1024 3093919 /tmp/.wine-1000/server-5962d/anonmap.5J7DDs (deleted)
wine-prel 9368 penberg 7r FIFO 0,5 16830 pipe
wine-prel 9368 penberg 8w FIFO 0,5 16830 pipe
wine-prel 9368 penberg 9u unix 0xd16a2380 16838 socket
wine-prel 9368 penberg 10u unix 0xcbd7ee00 16840 socket
wine-prel 9368 penberg 11u CHR 136,0 2 /dev/pts/0
wine-prel 9368 penberg 12u CHR 136,0 2 /dev/pts/0
wine-prel 9368 penberg 13u CHR 136,0 2 /dev/pts/0
wine-prel 9368 penberg 14u REG 3,3 126972 3093909 /tmp/.wine-1000/server-5962d/anonmap.UpYvef (deleted)
wine-prel 9368 penberg 15u REG 3,3 4 3093910 /tmp/.wine-1000/server-5962d/anonmap.e1t1BA (deleted)
wine-prel 9368 penberg 16u REG 3,3 126972 3093911 /tmp/.wine-1000/server-5962d/anonmap.0kzLDZ (deleted)
wine-prel 9368 penberg 17u REG 3,3 1024 3093913 /tmp/.wine-1000/server-5962d/anonmap.6SK7BF (deleted)
wine-prel 9368 penberg 18u REG 3,3 1024 3093914 /tmp/.wine-1000/server-5962d/anonmap.ifO9K1 (deleted)
wine-prel 9368 penberg 19u REG 3,3 27648 2131469 /home/penberg/.cxoffice/dotwine/fake_windows/Windows/Application Data/Microsoft/Mallit/Normal.dot
wine-prel 9368 penberg 20u REG 3,3 1024 3093913 /tmp/.wine-1000/server-5962d/anonmap.6SK7BF (deleted)
wine-prel 9368 penberg 21u REG 3,3 364 3093916 /tmp/.wine-1000/server-5962d/anonmap.tvXNbP (deleted)
wine-prel 9368 penberg 22u REG 3,3 126972 3093917 /tmp/.wine-1000/server-5962d/anonmap.O8NFES (deleted)
wine-prel 9368 penberg 23u REG 3,3 1024 3093918 /tmp/.wine-1000/server-5962d/anonmap.CWi6XR (deleted)
wine-prel 9368 penberg 24r REG 3,3 20480 331083 /home/penberg/anna/Annan ammattiraportti.doc
wine-prel 9368 penberg 25u REG 3,3 4 3093915 /tmp/.wine-1000/server-5962d/anonmap.rddWfB (deleted)
wine-prel 9368 penberg 26r REG 3,3 751534 1867273 /home/penberg/.cxoffice/dotwine/fake_windows/Program Files/Common Files/Microsoft Shared/Proof/MSSP_FI.LEX
wine-prel 9368 penberg 41r DIR 3,3 4096 311341 /home/penberg
CPU: CPU with timer interrupt, speed 0 MHz (estimated)
Profiling through timer interrupt
samples % symbol name
980 13.3953 default_idle
682 9.3220 schedule
253 3.4582 do_notify_parent_cldstop
218 2.9798 sysenter_past_esp
206 2.8157 try_to_wake_up
187 2.5560 fget_light
159 2.1733 dnotify_parent
155 2.1186 do_wait
154 2.1050 sys_rt_sigprocmask
145 1.9820 generic_file_buffered_write
143 1.9546 sys_ptrace
115 1.5719 fget
111 1.5172 sock_poll
111 1.5172 walk_page_buffers
110 1.5036 find_vma
105 1.4352 __copy_from_user_ll
99 1.3532 __wake_up
99 1.3532 find_lock_page
99 1.3532 rw_verify_area
98 1.3395 pipe_poll
97 1.3259 ext3_prepare_write
96 1.3122 unix_poll
89 1.2165 wait_task_stopped
85 1.1618 __generic_file_aio_write_nolock
85 1.1618 ext3_get_inode_block
77 1.0525 start_this_handle
73 0.9978 remove_wait_queue
66 0.9021 __mark_inode_dirty
65 0.8885 journal_add_journal_head
63 0.8611 copy_from_user
60 0.8201 kmem_cache_alloc
58 0.7928 balance_dirty_pages_ratelimited
57 0.7791 sigprocmask
54 0.7381 sys_poll
53 0.7244 access_process_vm
52 0.7108 __block_commit_write
52 0.7108 sys_write
51 0.6971 ptrace_check_attach
47 0.6424 do_pollfd
47 0.6424 pipe_writev
46 0.6288 current_fs_time
46 0.6288 kmem_cache_free
46 0.6288 ptrace_notify
44 0.6014 __find_get_block
44 0.6014 find_pid
43 0.5878 mark_page_accessed
38 0.5194 bit_waitqueue
37 0.5057 __copy_to_user_ll
34 0.4647 __follow_page
34 0.4647 ext3_ordered_commit_write
34 0.4647 inode_update_time
33 0.4511 add_wait_queue
32 0.4374 ptrace_stop
30 0.4101 __alloc_pages
29 0.3964 get_task_mm
28 0.3827 do_poll
28 0.3827 handle_IRQ_event
28 0.3827 wake_up_bit
27 0.3691 __block_prepare_write
27 0.3691 mmput
27 0.3691 new_handle
26 0.3554 journal_stop
26 0.3554 resume_userspace
26 0.3554 update_atime
25 0.3417 getreg
23 0.3144 __kmalloc
23 0.3144 pipe_readv
22 0.3007 ext3_do_update_inode
21 0.2870 get_user_pages
21 0.2870 vfs_read
20 0.2734 __wake_up_bit
20 0.2734 find_task_by_pid_type
19 0.2597 sys_wait4
18 0.2460 kfree
17 0.2324 delay_tsc
15 0.2050 ext3_journal_start_sb
15 0.2050 ide_do_request
15 0.2050 vfs_write
14 0.1914 do_wp_page
14 0.1914 eligible_child
14 0.1914 ext3_file_write
14 0.1914 sched_clock
13 0.1777 kill_fasync
13 0.1777 sys_gettimeofday
13 0.1777 sys_read
12 0.1640 find_extend_vma
11 0.1504 generic_file_aio_write
11 0.1504 prep_new_page
10 0.1367 __mod_timer
10 0.1367 do_readv_writev
10 0.1367 fput
10 0.1367 free_pages
10 0.1367 get_offset_tsc
10 0.1367 journal_dirty_data
9 0.1230 __copy_user_zeroing_intel
9 0.1230 __put_user_4
9 0.1230 do_get_write_access
9 0.1230 do_gettimeofday
9 0.1230 do_select
9 0.1230 do_sync_write
9 0.1230 ext3_mark_inode_dirty
9 0.1230 free_hot_cold_page
9 0.1230 page_waitqueue
8 0.1093 buffered_rmqueue
8 0.1093 find_get_page
8 0.1093 generic_commit_write
8 0.1093 journal_dirty_metadata
8 0.1093 normal_poll
8 0.1093 profile_hit
8 0.1093 schedule_timeout
8 0.1093 unlock_buffer
7 0.0957 do_syscall_trace
7 0.0957 ext3_dirty_inode
7 0.0957 follow_page
6 0.0820 cond_resched_lock
6 0.0820 copy_to_user
6 0.0820 do_page_fault
6 0.0820 ext3_writepage_trans_blocks
6 0.0820 free_hot_page
6 0.0820 journal_get_write_access
6 0.0820 mark_buffer_dirty
6 0.0820 tty_ldisc_deref
6 0.0820 unix_stream_sendmsg
5 0.0683 __journal_file_buffer
5 0.0683 ext3_reserve_inode_write
5 0.0683 input_event
5 0.0683 journal_blocks_per_page
5 0.0683 max_select_fd
5 0.0683 poll_freewait
4 0.0547 __get_free_pages
4 0.0547 __link_path_walk
4 0.0547 __log_space_left
4 0.0547 __mod_page_state
4 0.0547 __pollwait
4 0.0547 anon_pipe_buf_release
4 0.0547 ext3_journal_dirty_data
4 0.0547 ext3_new_inode
4 0.0547 journal_cancel_revoke
4 0.0547 journal_start
4 0.0547 pool_find_page
4 0.0547 syscall_trace_entry
4 0.0547 unix_peer_get
4 0.0547 unix_stream_recvmsg
4 0.0547 unlock_page
4 0.0547 work_resched
3 0.0410 __d_lookup
3 0.0410 __ext3_get_inode_loc
3 0.0410 __ext3_journal_stop
3 0.0410 __pagevec_lru_add
3 0.0410 bad_range
3 0.0410 block_prepare_write
3 0.0410 cond_resched
3 0.0410 do_ioctl
3 0.0410 do_no_page
3 0.0410 ext3_get_block_handle
3 0.0410 ext3_get_inode_loc
3 0.0410 ext3_test_allocatable
3 0.0410 journal_put_journal_head
3 0.0410 sock_alloc_send_pskb
3 0.0410 sock_def_readable
3 0.0410 sock_wfree
3 0.0410 tty_paranoia_check
3 0.0410 unix_write_space
2 0.0273 __insert_inode_hash
2 0.0273 activate_page
2 0.0273 alloc_skb
2 0.0273 anon_pipe_buf_map
2 0.0273 con_chars_in_buffer
2 0.0273 convert_fxsr_to_user
2 0.0273 do_mmap_pgoff
2 0.0273 dput
2 0.0273 ext3_get_block
2 0.0273 ext3_new_block
2 0.0273 find_next_usable_block
2 0.0273 get_signal_to_deliver
2 0.0273 group_send_sig_info
2 0.0273 handle_signal
2 0.0273 kfree_skbmem
2 0.0273 kref_put
2 0.0273 math_state_restore
2 0.0273 setup_frame
2 0.0273 skb_release_data
2 0.0273 sock_aio_read
2 0.0273 sock_aio_write
2 0.0273 sock_ioctl
2 0.0273 sys_ioctl
2 0.0273 sys_writev
2 0.0273 syscall_exit_work
2 0.0273 tty_poll
2 0.0273 unix_ioctl
2 0.0273 vfs_writev
2 0.0273 zone_watermark_ok
1 0.0137 __copy_user_intel
1 0.0137 __find_get_block_slow
1 0.0137 __fput
1 0.0137 __free_pages
1 0.0137 __getblk
1 0.0137 __set_page_dirty_nobuffers
1 0.0137 account
1 0.0137 add_dirent_to_buf
1 0.0137 add_input_randomness
1 0.0137 con_write_room
1 0.0137 copy_mm
1 0.0137 copy_pte_range
1 0.0137 copy_strings
1 0.0137 create_empty_buffers
1 0.0137 del_timer
1 0.0137 device_not_available
1 0.0137 do_setitimer
1 0.0137 ext3_find_goal
1 0.0137 ext3_get_branch
1 0.0137 ext3_getblk
1 0.0137 ext3_mark_iloc_dirty
1 0.0137 ext3_truncate
1 0.0137 follow_mount
1 0.0137 generic_file_llseek
1 0.0137 ide_outb
1 0.0137 ide_outl
1 0.0137 ide_wait_stat
1 0.0137 init_fpu
1 0.0137 journal_get_undo_access
1 0.0137 kcalloc
1 0.0137 kmem_getpages
1 0.0137 load_elf_binary
1 0.0137 lookup_create
1 0.0137 lookup_hash
1 0.0137 memcpy_fromiovec
1 0.0137 memcpy_toiovec
1 0.0137 path_lookup
1 0.0137 pipe_write
1 0.0137 randomize_stack_top
1 0.0137 read_block_bitmap
1 0.0137 remove_vm_struct
1 0.0137 restore_fpu
1 0.0137 restore_i387_fxsave
1 0.0137 save_i387
1 0.0137 sock_alloc_send_skb
1 0.0137 sock_readv_writev
1 0.0137 sock_sendmsg
1 0.0137 strncpy_from_user
1 0.0137 sys_close
1 0.0137 sys_fcntl64
1 0.0137 sys_futex
1 0.0137 sys_newuname
1 0.0137 sys_sched_yield
1 0.0137 sys_select
1 0.0137 tty_ldisc_try
1 0.0137 vfs_ioctl
1 0.0137 wake_up_process
1 0.0137 zone_statistics
read(7, "X\371\303\177\1\0\0\0", 8) = 8
ioctl(10, FIONREAD, [1280]) = 0
read(10, "\fHy\16\320\0 \3\0\0\0\0f\2\5\0\4\0`\10\3\0\0\0\377\377"..., 1280) = 1280
rt_sigprocmask(SIG_BLOCK, [HUP INT USR1 USR2 ALRM CHLD IO], [], 8) = 0
write(4, "\222\0\0\0\0\0\0\0\0\0\0\0v\0\1\0\1\0\0\0\0\0\0\0\0\0\0"..., 64) = 64
read(5, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 64) = 64
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
rt_sigprocmask(SIG_BLOCK, [HUP INT USR1 USR2 ALRM CHLD IO], [], 8) = 0
write(4, "\214\0\0\0\0\0\0\0|\0\0\0v\0\1\0\0\0\0\0\0\0\0\0\0\0\0"..., 64) = 64
read(5, "\0\0\0\0\10\0\0\0\2\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 64) = 64
read(5, "\214\0\1\0\212\0\1\0", 8) = 8
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
rt_sigprocmask(SIG_BLOCK, [HUP INT USR1 USR2 ALRM CHLD IO], [], 8) = 0
write(4, "\222\0\0\0\0\0\0\0\0\0\0\0\214\0\1\0\1\0\0\0\0\0\0\0\0"..., 64) = 64
read(5, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 64) = 64
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
rt_sigprocmask(SIG_BLOCK, [HUP INT USR1 USR2 ALRM CHLD IO], [], 8) = 0
write(4, "\214\0\0\0\0\0\0\0|\0\0\0\214\0\1\0\0\0\0\0\0\0\0\0\0\0"..., 64) = 64
read(5, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 64) = 64
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
rt_sigprocmask(SIG_BLOCK, [HUP INT USR1 USR2 ALRM CHLD IO], [], 8) = 0
write(4, "\214\0\0\0\0\0\0\0|\0\0\0\214\0\1\0\0\0\0\0\0\0\0\0\0\0"..., 64) = 64
read(5, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 64) = 64
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
rt_sigprocmask(SIG_BLOCK, [HUP INT USR1 USR2 ALRM CHLD IO], [], 8) = 0
write(4, "\214\0\0\0\0\0\0\0|\0\0\0v\0\1\0\0\0\0\0\0\0\0\0\0\0\0"..., 64) = 64
read(5, "\0\0\0\0\10\0\0\0\2\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 64) = 64
read(5, "\214\0\1\0\212\0\1\0", 8) = 8
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
rt_sigprocmask(SIG_BLOCK, [HUP INT USR1 USR2 ALRM CHLD IO], [], 8) = 0
write(4, "\214\0\0\0\0\0\0\0|\0\0\0\214\0\1\0\0\0\0\0\0\0\0\0\0\0"..., 64) = 64
read(5, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 64) = 64
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
rt_sigprocmask(SIG_BLOCK, [HUP INT USR1 USR2 ALRM CHLD IO], [], 8) = 0
write(4, "\214\0\0\0\0\0\0\0|\0\0\0v\0\1\0\0\0\0\0\0\0\0\0\0\0\0"..., 64) = 64
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