| [BUG?] Eclipse Mars.2 on Ubuntu 16.04 Beta errant behavior [message #1728536]
||Tue, 05 April 2016 09:12
| Benjmain Maurer
Registered: April 2016
I have recently installed the Ubuntu 16.04 (Xenial Xerus) final Beta (64Bit) on my machine, since I needed some updated packages.
Installing Eclipse turned out tricky. I usually had it in /opt/eclipse, but I had some problems and in the end I settled for the new installer and the default location in /home/<user>/
But I am still experiencing problems that make Eclipse unusable. I would file a bug, but I'm not sure how to describe it succinctly. Maybe you can help me get some more infos before filing a bug.
1) The first thing I noticed: Some of the Menu entries (e.g. in "Help") were grayed out until I swiped over them with the mouse. Then I opened "Window -> Preferences" and sometimes it wouldn't show up, or only after several seconds.
Opening "Help -> updates" also didn't work.
2) Selecting another sub-menu in Preferences doesn't display it
3) My CPU Usage goes wild: almost 100% CPU util on one core, but it jumps around from core to core. (see image, I had only Firefox open before and you can see where I open Eclipse CPU usage skyrockets and becomes pretty crazy after wards. My Cooling Fan is cranked up to the max).
There is pretty much nothing in the logs.
Because of the UI anomalies I was thinking it might be related to GTK.
Here is a recording with 'perf record ./eclipse':
# Samples: 251K of event 'cycles:pp'
# Event count (approx.): 149671916832
# Overhead Command Shared Object Symbol
# ........ ............... ............................. .............................................
1.22% java libgdk-3.so.0.1800.9 [.] gdk_cairo_region_create_from_surface
0.89% java libc-2.23.so [.] _int_malloc
0.69% java libglib-2.0.so.0.4800.0 [.] g_hash_table_lookup
0.69% java libc-2.23.so [.] __memset_sse2
0.62% java libgobject-2.0.so.0.4800.0 [.] g_type_check_instance_is_a
0.61% java libjvm.so [.] 0x00000000009c18d1
0.58% java libjvm.so [.] 0x00000000007a7fce
0.56% java libgtk-3.so.0.1800.9 [.] 0x000000000017d3d9
0.55% java libc-2.23.so [.] _int_free
0.52% java libc-2.23.so [.] __memcpy_avx_unaligned
0.46% java libpthread-2.23.so [.] pthread_getspecific
Is anyone else experiencing this? Should I file a bug? Is this maybe a GDK/GTK bug? (other apps don't seem affected though)
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