https://bugs.kde.org/show_bug.cgi?id=417020
Bug ID: 417020
Summary: http.so in quasi tight loop
Product: frameworks-kio
Version: 5.62.0
Platform: Debian unstable
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: HTTP
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
SUMMARY
I have two processes using some cpu (around 8% each) that figure as:
USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
mdione 2517 0.0 0.2 101660 18124 ? Ss ene28 0:00 kdeinit5:
Running...
mdione 707738 0.3 0.3 331424 27068 ? Sl 09:43 0:30 \_ http.so
[kdeinit5] https local:/run/user/1000/klauncherjfwQiJ.1.slave-socket
local:/run/user/1000/plasmashellKcznzy.18.slave-socket
mdione 709015 0.3 0.3 331424 27068 ? Sl 09:43 0:30 \_ http.so
[kdeinit5] https local:/run/user/1000/klauncherjfwQiJ.1.slave-socket
local:/run/user/1000/plasmashelltObnPw.19.slave-socket
If I attach with strace to one of them, I get:
$ strace -tt -p 709015
strace: Process 709015 attached
12:29:01.267475 ppoll([{fd=4, events=POLLIN}], 1, {tv_sec=0, tv_nsec=51044},
NULL, 8) = 0 (Timeout)
12:29:01.267861 write(3, "\1\0\0\0\0\0\0\0", 8) = 8
12:29:01.267983 ppoll([{fd=4, events=POLLIN}], 1, {tv_sec=0, tv_nsec=1000000},
NULL, 8) = 0 (Timeout)
12:29:01.269195 write(3, "\1\0\0\0\0\0\0\0", 8) = 8
12:29:01.269308 ppoll([{fd=4, events=POLLIN}], 1, {tv_sec=0, tv_nsec=1000000},
NULL, 8) = 0 (Timeout)
12:29:01.270552 write(3, "\1\0\0\0\0\0\0\0", 8) = 8
As you can see the loop is quite tight.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Debian sid
KDE Frameworks Version: 5.62.0
Qt Version: 5.12.5
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