Bug#1012227: webkitgtk: CPU usage

[tmcconnell168 at gmail.com]

   PerfTop:    2757 irqs/sec  kernel: 3.7%  exact:  0.0% lost: 0/0
drop: 0/0 [4000Hz cycles],  (target_pid: 82438)
-----------------------------------------------------------------------
--------

     4.20%  libharfbuzz.so.0.20704.0             [.]
hb_ot_name_get_utf32
     2.62%  libcairo.so.2.11600.0                [.]
cairo_scaled_font_glyph_e
     2.26%  libicuuc.so.71.1                     [.]
icu_71::ComposeNormalizer
     2.09%  libpthread-2.33.so                   [.]
__pthread_mutex_lock
     1.71%  libpthread-2.33.so                   [.]
__pthread_mutex_unlock_us
     1.51%  libicuuc.so.71.1                     [.]
unorm2_isNormalized_71
     1.49%  libicuuc.so.71.1                     [.]
u_getUnicodeProperties_71
     1.46%  libicuuc.so.71.1                     [.] ucase_toupper_71
     1.46%  libicuuc.so.71.1                     [.] u_charType_71
     1.43%  libjavascriptcoregtk-4.0.so.18.20.7  [.]
Gigacage::addPrimitiveDis
     1.29%  libjavascriptcoregtk-4.0.so.18.20.7  [.] WTF::normalizedNFC
     1.28%  libcairo.so.2.11600.0                [.]
cairo_font_options_get_va
     1.18%  libc-2.33.so                         [.] _int_malloc
     1.00%  libpthread-2.33.so                   [.]
pthread_getspecific
     0.96%  libc-2.33.so                         [.] _int_free
     0.93%  libicuuc.so.71.1                     [.]
icu_71::EmojiProps::hasBi
     0.89%  libicuuc.so.71.1                     [.]
icu_71::EmojiProps::hasBi
     0.88%  libicuuc.so.71.1                     [.]
icu_71::UnicodeString::cl
     0.88%  libjavascriptcoregtk-4.0.so.18.20.7  [.] WTF::fastMalloc
     0.85%  libharfbuzz.so.0.20704.0             [.]
hb_segment_properties_has


On Fri, 2022-06-10 at 16:34 +0000, Alberto Garcia wrote:
> On Fri, Jun 10, 2022 at 11:27:39AM -0500,
> tmcconnell168 at gmail.com wrote:
> >  5533 tmick     20   0   84.3g 620608  60480 R  98.3   8.7  
> > 4:36.70 WebKitWebProces
> 
> > Running sudo perf top -pPID --sort dso,symbol told me gave me
> 
> Here -pPID would have the number of the process that is using the
> CPU,
> in your case
> 
> sudo perf top -p5533 --sort dso,symbol
> 
> Berto