Thread 0x50874d DispatchQueue 1 18 samples (1-18) priority 47 <frontmost, thread QoS user interactive, boosted, received importance donation from WindowServer [105], IO policy important> 18 ??? (<65DB947D-2121-3976-A28C-971FIEE096A0> + 2103673) [0x100701979] 1-18 18 _psynch_cvwait + 10 (libsystem_kemel.d

) [0xffffff80007b6010] 1-18 Thread 0x508760 18 samples (1-18) priority 31 <frontmost, thread QoS legacy, boosted, received importance donation from WindowServer [10 5], 1O policy important> 18 thread start + 13 (libsystem_pthread.dylib + 5149) [0x7f1192fe541d] 1-18 18 _pthread_start + 176 (libsystem_pthrea

Thread 0x50874d =ispatchQueue 1 18 samples (1-18) priority =7 <frontmost, thread QoS user interactive, boosted, =eceived importance donation from WindowServer [105],1O policy =mportant> 18 ??? =<65DB947D-2121-3976-A28C-971FlEE096A0> + 2103673) [0x100701979] =-18 EFTA_R1_01365511 EFTA02367479 18 _psync