More CPU hogging?

[Albrecht Dreß <albrecht dress arcor de>]

Hi all,

running the latest master, I /still/ occasionally observer CPU hogging when I open a composer window; here 
the output from “top -H -p 9449”:

<snip>
  PID USER      PR  NI    VIRT    RES    SHR S %CPU %MEM     ZEIT+ BEFEHL
 9449 albrecht  20   0 98,802g 125824  62416 R 99,9  1,6   4:29.21 balsa
 9450 albrecht  20   0 98,802g 125824  62416 S  0,0  1,6   0:00.00 gmain
 9451 albrecht  20   0 98,802g 125824  62416 S  0,0  1,6   0:00.05 gdbus
 9464 albrecht  20   0 98,802g 125824  62416 S  0,0  1,6   0:00.00 dconf worker
11061 albrecht  20   0 98,802g 125824  62416 S  0,0  1,6   0:00.01 BMScavenger
11062 albrecht  20   0 98,802g 125824  62416 S  0,0  1,6   0:00.01 PressureMonitor
11063 albrecht  20   0 98,802g 125824  62416 S  0,0  1,6   0:00.00 HashSaltStorage
11064 albrecht  20   0 98,802g 125824  62416 S  0,0  1,6   0:00.00 ebsiteDataStore
11069 albrecht  20   0 98,802g 125824  62416 S  0,0  1,6   0:00.00 ReceiveQueue
</snip>

In gdb, the bt of the thread 9949 (actually the main thread) says:

<snip>
(gdb) bt full
#0  0x00007fcc22e10567 in __libc_recvmsg (fd=7, msg=0x7fff33a95740, flags=0) at 
../sysdeps/unix/sysv/linux/recvmsg.c:28
        resultvar = 18446744073709551605
        sc_cancel_oldtype = 0
        sc_ret = <optimized out>
        sc_ret = <optimized out>
        fd = 7
        flags = 0
        msg = 0x7fff33a95740
#1  0x00007fcc16239888 in  () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fcc1623a270 in xcb_poll_for_reply64 () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fcc1ae1ded9 in  () at /usr/lib/x86_64-linux-gnu/libX11.so.6
#4  0x00007fcc1ae1e20d in _XEventsQueued () at /usr/lib/x86_64-linux-gnu/libX11.so.6
#5  0x00007fcc1ae0fd3d in XPending () at /usr/lib/x86_64-linux-gnu/libX11.so.6
#6  0x00007fcc2457c09e in  () at /usr/lib/x86_64-linux-gnu/libgdk-3.so.0
#7  0x00007fcc232bab28 in g_main_context_prepare () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007fcc232bb4fb in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007fcc232bb6dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007fcc2387ce3d in g_application_run () at /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#11 0x0000564c7fc25311 in main (argc=1, argv=0x7fff33a95b68) at main.c:823
        application = 0x564c805c50f0
        status = <optimized out>
</snip>

I guess an other idle thread is kicking in here?

BTW, I see similar effects on the gmime3 branch (but that one seems to be somewhat behind master, right?).

Best,
Albrecht.

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