Hi.
On Wed, 20 May 2026 09:48:40 +0700 Frederic Muller <[email protected]> wrote:
> This time I have some LO documents which either do not open
> (LibreOffice is not responding. Force Quit/Wait) or take 17 seconds to
> open (I just measured).
You may try to strace LibreOffice as follow:
- strace -o /tmp/s01 -tt -T -f /bin/ooffice SOME_FILE
then identify in /tmp/s01 what takes too much time.
Testing that with "sleep 2" shows:
07:51:26.054303 execve("/bin/sleep", ["/bin/sleep", "2"], 0x7fff71f208f8 /*
50 vars */) = 0 <0.000380>
07:51:26.054797 brk(NULL) = 0x55590f9ec000 <0.000006>
[...]
07:51:26.056102 futex(0x7f23469df6ec, FUTEX_WAKE_PRIVATE, 2147483647) = 0
<0.000006>
07:51:26.056133 clock_nanosleep(CLOCK_REALTIME, 0, {tv_sec=2, tv_nsec=1},
0x7ffd9ea441f0) = 0 <2.000075>
the last part: "<2.000075>" is the time spent in system calls given by
the -T option.
You can for example identify the system calls taking more than one
second with:
grep '<[^0]' /tmp/s01
07:51:26.056133 clock_nanosleep(CLOCK_REALTIME, 0, {tv_sec=2, tv_nsec=1},
0x7ffd9ea441f0) = 0 <2.000075>
I fear that this will be far more difficult with LibreOffice.
Good luck.
--
francis
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