[haiku-bugs] Re: [Haiku] #1074: Identify and fix performance bottlenecks in our app_server
- From: "Haiku" <trac@xxxxxxxxxxxx>
- To: undisclosed-recipients: ;
- Date: Fri, 03 Jul 2020 18:14:56 -0000
#1074: Identify and fix performance bottlenecks in our app_server
---------------------------------+----------------------
Reporter: axeld | Owner: jua
Type: enhancement | Status: assigned
Priority: normal | Milestone: R1
Component: Servers/app_server | Version:
Resolution: | Keywords:
Blocked By: | Blocking:
Platform: All |
---------------------------------+----------------------
Comment (by X512):
Replying to [comment:27 waddlesplash]:
Can you use {{{profile -f}}} to get the full call stacks? This should
then show what is calling system_time so often, as well as other things
that a profile without -f often misses.
{{{
profiling results for thread "w:1250:TestApp" (1253):
tick interval: 1000 us
total ticks: 43459 (43459000 us)
unknown ticks: 0 (0 us, 0.00%)
dropped ticks: 0 (0 us, 0.00%)
samples/tick: 10.4
hits unknown image
------------------------------------------------------------------------------
8832 0 1 kernel_x86_64
43459 0 3078 /boot/system/servers/app_server
16303 0 3080 /boot/system/lib/libbe.so
2350 0 3100 /boot/system/lib/libstdc++.so.6.0.25
43459 0 3101 /boot/system/lib/libroot.so
60161 0 51 commpage
hits in us in % image function
------------------------------------------------------------------------------
43459 43459000 100.00 3078
MessageLooper::_message_thread(void*)
43459 43459000 100.00 3101 thread_entry
43244 43244000 99.51 3078 ServerWindow::_MessageLooper()
35525 35525000 81.74 3078
ServerWindow::_DispatchMessage(int, BPrivate::LinkReceiver&)
19138 19138000 44.04 3078
Window::BeginUpdate(BPrivate::PortLink&)
13539 13539000 31.15 3078
ServerWindow::_DispatchViewMessage(int, BPrivate::LinkReceiver&)
11922 11922000 27.43 3078
ServerWindow::_DispatchViewDrawingMessage(int, BPrivate::LinkReceiver&)
11447 11447000 26.34 3101 system_time
10172 10172000 23.41 3078 BRect
Painter::_StrokePath<agg::path_base<agg::vertex_block_storage<double, 8u,
256u> > >(agg::path_base<agg::vertex_block_storage<double, 8u, 256u> >&,
cap_mode) const
8949 8949000 20.59 3078 BRect
Painter::_RasterizePath<agg::conv_stroke<agg::path_base<agg::vertex_block_storage<double,
8u, 256u> >, agg::null_markers>
(agg::conv_stroke<agg::path_base<agg::vertex_block_storage<double, 8u,
256u> >, agg::null_markers>&) const
8825 8825000 20.31 1 x86_64_syscall_entry
6373 6373000 14.66 3080
BPrivate::LinkReceiver::GetNextMessage(int&, long)
5800 5800000 13.35 3078
agg::conv_adaptor_vcgen<agg::path_base<agg::vertex_block_storage<double,
8u, 256u> >, agg::vcgen_stroke, agg::null_markers>::vertex(double*,
double*)
5779 5779000 13.30 3078 DrawingEngine::StrokeLine(BPoint
const&, BPoint const&)
5638 5638000 12.97 3078 Painter::StrokeLine(BPoint,
BPoint)
5077 5077000 11.68 3078 DrawingEngine::StrokeRect(BRect)
4931 4931000 11.35 3078 Painter::StrokeRect(BRect
const&) const
4197 4197000 9.66 3080
BPrivate::LinkReceiver::ReadFromPort(long)
4140 4140000 9.53 3101 _kern_port_buffer_size_etc
3724 3724000 8.57 1 _user_port_buffer_size_etc
3712 3712000 8.54 1 _get_port_message_info_etc
3395 3395000 7.81 3080
agg::vcgen_stroke::vertex(double*, double*)
2740 2740000 6.30 3101 malloc
2523 2523000 5.81 1
ConditionVariableEntry::Wait(unsigned int, long)
2191 2191000 5.04 3101 _kern_write_port_etc
2171 2171000 5.00 3100 operator new(unsigned long)
2089 2089000 4.81 3101
BPrivate::threadHeap::malloc(unsigned long)
2087 2087000 4.80 3101 _kern_read_port_etc
1997 1997000 4.60 1 _user_write_port_etc
1931 1931000 4.44 1 writev_port_etc
1867 1867000 4.30 3101 free
1829 1829000 4.21 1 _user_read_port_etc
1792 1792000 4.12 1 read_port_etc
1771 1771000 4.08 1 ConditionVariable::_Notify(bool,
int)
1703 1703000 3.92 3080
agg::vcgen_stroke::add_vertex(double, double, unsigned int)
1623 1623000 3.73 3078 Window::_SendUpdateMessage()
1584 1584000 3.64 3080
agg::vertex_sequence<agg::vertex_dist, 6u>::add(agg::vertex_dist const&)
1390 1390000 3.20 3080 BRegion::IntersectWith(BRegion
const*)
1318 1318000 3.03 1 _mutex_unlock
1309 1309000 3.01 3078 void
agg::rasterizer_sl_clip<agg::ras_conv_int>::line_to<agg::rasterizer_cells_aa<agg::cell_aa>
(agg::rasterizer_cells_aa<agg::cell_aa>&, int, int)
1294 1294000 2.98 3078
ServerWindow::SendMessageToClient(BMessage const*, int) const
1219 1219000 2.80 3101
BPrivate::hoardHeap::findAvailableSuperblock(int, BPrivate::block*&,
BPrivate::processHeap*)
1193 1193000 2.75 3080
agg::math_stroke<agg::pod_bvector<agg::point_base<double>, 6u>
::calc_miter(agg::pod_bvector<agg::point_base<double>, 6u>&,
agg::vertex_dist const&, agg::vertex_dist const&, agg::vertex_dist const&,
double, double, double, double, agg::line_join_e, double)
1177 1177000 2.71 3078
agg::rasterizer_scanline_aa<agg::rasterizer_sl_clip<agg::ras_conv_int>
::add_vertex(double, double, unsigned int)
1131 1131000 2.60 3101
BPrivate::processHeap::free(void*)
995 995000 2.29 3080
BPrivate::LinkReceiver::HasMessages() const
965 965000 2.22 1 get_locked_port(int)
962 962000 2.21 3078 void
agg::render_scanlines<agg::rasterizer_scanline_aa<agg::rasterizer_sl_clip<agg::ras_conv_int>
, agg::scanline_p8,
agg::renderer_scanline_aa_solid<agg::renderer_region<PixelFormat> >
(agg::rasterizer_scanline_aa<agg::rasterizer_sl_clip<agg::ras_conv_int>
&, agg::scanline_p8&,
agg::renderer_scanline_aa_solid<agg::renderer_region<PixelFormat> >&)
947 947000 2.18 3078
agg::rasterizer_cells_aa<agg::cell_aa>::line(int, int, int, int)
942 942000 2.17 3101 _kern_port_count
918 918000 2.11 3080
agg::math_stroke<agg::pod_bvector<agg::point_base<double>, 6u>
::calc_cap(agg::pod_bvector<agg::point_base<double>, 6u>&,
agg::vertex_dist const&, agg::vertex_dist const&, double)
895 895000 2.06 3101 __mutex_lock
828 828000 1.91 3080
agg::pod_bvector<agg::point_base<double>, 6u>::allocate_block(unsigned
int)
755 755000 1.74 1 _mutex_lock
755 755000 1.74 3080 BRegion::_SetSize(int)
749 749000 1.72 3101 __mutex_unlock
714 714000 1.64 3078 Window::EndUpdate()
640 640000 1.47 3078 Window::InvalidateView(View*,
BRegion&)
535 535000 1.23 3101
BPrivate::hoardHeap::freeBlock(BPrivate::block*&, BPrivate::superblock*&,
int, BPrivate::processHeap*)
501 501000 1.15 3080
agg::math_stroke<agg::pod_bvector<agg::point_base<double>, 6u>
::calc_join(agg::pod_bvector<agg::point_base<double>, 6u>&,
agg::vertex_dist const&, agg::vertex_dist const&, agg::vertex_dist const&,
double, double)
496 496000 1.14 3080
BRegion::_AdoptRegionData(BRegion&)
462 462000 1.06 3078 Window::VisibleContentRegion()
452 452000 1.04 3078
ServerWindow::_UpdateCurrentDrawingRegion()
435 435000 1.00 3078
HWInterface::InvalidateRegion(BRegion&)
...
}}}
--
Ticket URL: <
https://dev.haiku-os.org/ticket/1074#comment:28>
Haiku <
https://dev.haiku-os.org>
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