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Add optional TimerOutputs reporting#1094

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IanButterworth:ib/timing
Open

Add optional TimerOutputs reporting#1094
IanButterworth wants to merge 3 commits into
JuliaLang:masterfrom
IanButterworth:ib/timing

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@IanButterworth

@IanButterworth IanButterworth commented Mar 26, 2026 •
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Examples from one CI run

─────────────────────────────────────────────────────────────────────────────────────
                                            Time                    Allocations      
                                   ───────────────────────   ────────────────────────
         Tot / % measured:               155s / 100.0%           35.3MiB /  99.5%    

Section                    ncalls     time    %tot     avg     alloc    %tot      avg
─────────────────────────────────────────────────────────────────────────────────────
check compiler                  1   1.47ms    0.0%  1.47ms   20.6KiB    0.1%  20.6KiB
pkg context                     1   2.22ms    0.0%  2.22ms   78.0KiB    0.2%  78.0KiB
pkg instantiate                 1    954μs    0.0%   954μs   55.7KiB    0.2%  55.7KiB
precompile packages             1    53.8s   34.6%   53.8s    233KiB    0.6%   233KiB
create object file              1    96.9s   62.4%   96.9s   34.7MiB   98.7%  34.7MiB
  run precompile scripts        1    201ms    0.1%   201ms    116KiB    0.3%   116KiB
  compile --output-o            1    96.6s   62.3%   96.6s   34.3MiB   97.7%  34.3MiB
link sysimage                   1    3.94s    2.5%   3.94s   58.9KiB    0.2%  58.9KiB
install_name_tool               1    617ms    0.4%   617ms   22.3KiB    0.1%  22.3KiB
─────────────────────────────────────────────────────────────────────────────────────

───────────────────────────────────────────────────────────────────────────────────────
                                              Time                    Allocations      
                                     ───────────────────────   ────────────────────────
          Tot / % measured:                421s / 100.0%            180MiB / 100.0%    

Section                      ncalls     time    %tot     avg     alloc    %tot      avg
───────────────────────────────────────────────────────────────────────────────────────
check compiler                    1    554μs    0.0%   554μs   20.6KiB    0.0%  20.6KiB
pkg context                       1   3.23ms    0.0%  3.23ms   83.0KiB    0.0%  83.0KiB
pkg instantiate                   1    4.90s    1.2%   4.90s    161MiB   89.2%   161MiB
bundle                            1     109s   26.0%    109s   15.4MiB    8.5%  15.4MiB
create sysimage                   1     304s   72.1%    304s   1.40MiB    0.8%  1.40MiB
  check compiler                  1   3.98ms    0.0%  3.98ms   20.6KiB    0.0%  20.6KiB
  pkg context                     1   13.9ms    0.0%  13.9ms    436KiB    0.2%   436KiB
  pkg instantiate                 1    636ms    0.2%   636ms    516KiB    0.3%   516KiB
  precompile packages             1    33.5s    8.0%   33.5s   91.6KiB    0.0%  91.6KiB
  create object file              1     268s   63.6%    268s    248KiB    0.1%   248KiB
    run precompile scripts        1    13.4s    3.2%   13.4s    116KiB    0.1%   116KiB
    compile --output-o            1     255s   60.4%    255s   13.0KiB    0.0%  13.0KiB
  link sysimage                   1    1.27s    0.3%   1.27s   58.9KiB    0.0%  58.9KiB
  install_name_tool               1    329ms    0.1%   329ms   23.3KiB    0.0%  23.3KiB
link executables                  1    3.10s    0.7%   3.10s   2.61MiB    1.4%  2.61MiB
───────────────────────────────────────────────────────────────────────────────────────

─────────────────────────────────────────────────────────────────────────────────────────
                                                Time                    Allocations      
                                       ───────────────────────   ────────────────────────
           Tot / % measured:                 886s / 100.0%           67.7MiB /  99.9%    

Section                        ncalls     time    %tot     avg     alloc    %tot      avg
─────────────────────────────────────────────────────────────────────────────────────────
check compiler                      1    141μs    0.0%   141μs   20.6KiB    0.0%  20.6KiB
pkg context                         1   4.82ms    0.0%  4.82ms   81.7KiB    0.1%  81.7KiB
pkg instantiate                     1    4.10s    0.5%   4.10s   38.4MiB   56.8%  38.4MiB
bundle                              1     109s   12.3%    109s   10.4MiB   15.4%  10.4MiB
create sysimage                     1     772s   87.2%    772s   18.4MiB   27.2%  18.4MiB
  check compiler                    1   2.04ms    0.0%  2.04ms   20.6KiB    0.0%  20.6KiB
  pkg context                       1   6.54ms    0.0%  6.54ms    389KiB    0.6%   389KiB
  pkg instantiate                   1    298ms    0.0%   298ms    533KiB    0.8%   533KiB
  build base sysimage               1     462s   52.2%    462s   17.0MiB   25.1%  17.0MiB
    corecompiler --output-o         1     291s   32.9%    291s    125KiB    0.2%   125KiB
    link corecompiler               1    191ms    0.0%   191ms   58.9KiB    0.1%  58.9KiB
    base sysimage --output-o        1     169s   19.1%    169s    129KiB    0.2%   129KiB
    link base sysimage              1    765ms    0.1%   765ms   58.9KiB    0.1%  58.9KiB
  precompile packages               1    55.4s    6.3%   55.4s   91.6KiB    0.1%  91.6KiB
  create object file                1     253s   28.6%    253s    247KiB    0.4%   247KiB
    run precompile scripts          1    22.8s    2.6%   22.8s    116KiB    0.2%   116KiB
    compile --output-o              1     230s   26.0%    230s   11.6KiB    0.0%  11.6KiB
  link sysimage                     1    809ms    0.1%   809ms   58.9KiB    0.1%  58.9KiB
  install_name_tool                 1    295ms    0.0%   295ms   23.6KiB    0.0%  23.6KiB
link executables                    1    865ms    0.1%   865ms    347KiB    0.5%   347KiB
─────────────────────────────────────────────────────────────────────────────────────────

─────────────────────────────────────────────────────────────────────────────────────────
                                                Time                    Allocations      
                                       ───────────────────────   ────────────────────────
           Tot / % measured:                 857s / 100.0%           51.5MiB /  99.8%    

Section                        ncalls     time    %tot     avg     alloc    %tot      avg
─────────────────────────────────────────────────────────────────────────────────────────
check compiler                      1    476μs    0.0%   476μs   20.6KiB    0.0%  20.6KiB
pkg context                         1   7.07ms    0.0%  7.07ms   81.7KiB    0.2%  81.7KiB
pkg instantiate                     1    3.99s    0.5%   3.99s   38.6MiB   75.1%  38.6MiB
bundle                              1     105s   12.3%    105s   10.5MiB   20.3%  10.5MiB
create sysimage                     1     746s   87.1%    746s   1.92MiB    3.7%  1.92MiB
  check compiler                    1    399μs    0.0%   399μs   20.6KiB    0.0%  20.6KiB
  pkg context                       1   9.34ms    0.0%  9.34ms    389KiB    0.7%   389KiB
  pkg instantiate                   1    263ms    0.0%   263ms    533KiB    1.0%   533KiB
  build base sysimage               1     407s   47.5%    407s    554KiB    1.1%   554KiB
    corecompiler --output-o         1     261s   30.5%    261s    124KiB    0.2%   124KiB
    link corecompiler               1    113ms    0.0%   113ms   58.9KiB    0.1%  58.9KiB
    base sysimage --output-o        1     145s   16.9%    145s    129KiB    0.2%   129KiB
    link base sysimage              1    568ms    0.1%   568ms   58.9KiB    0.1%  58.9KiB
  precompile packages               1    44.7s    5.2%   44.7s   91.6KiB    0.2%  91.6KiB
  create object file                1     293s   34.2%    293s    251KiB    0.5%   251KiB
    run precompile scripts          1    15.8s    1.8%   15.8s    116KiB    0.2%   116KiB
    compile --output-o              1     277s   32.3%    277s   13.9KiB    0.0%  13.9KiB
  link sysimage                     1    1.07s    0.1%   1.07s   58.9KiB    0.1%  58.9KiB
  install_name_tool                 1    347ms    0.0%   347ms   23.3KiB    0.0%  23.3KiB
link executables                    1    1.23s    0.1%   1.23s    347KiB    0.7%   347KiB
─────────────────────────────────────────────────────────────────────────────────────────

─────────────────────────────────────────────────────────────────────────────────────────
                                                Time                    Allocations      
                                       ───────────────────────   ────────────────────────
           Tot / % measured:                 944s / 100.0%           2.16MiB /  99.1%    

Section                        ncalls     time    %tot     avg     alloc    %tot      avg
─────────────────────────────────────────────────────────────────────────────────────────
pkg context                         1   6.40ms    0.0%  6.40ms   84.1KiB    3.8%  84.1KiB
pkg instantiate                     1    403μs    0.0%   403μs   51.6KiB    2.4%  51.6KiB
bundle                              1     114s   12.1%    114s    404KiB   18.5%   404KiB
create sysimage                     1     830s   87.9%    830s   1.61MiB   75.3%  1.61MiB
  check compiler                    2   1.57ms    0.0%   787μs   41.2KiB    1.9%  20.6KiB
  pkg context                       2   46.0ms    0.0%  23.0ms    165KiB    7.6%  82.6KiB
  pkg instantiate                   2   2.95ms    0.0%  1.48ms    103KiB    4.7%  51.6KiB
  build base sysimage               1     502s   53.1%    502s    554KiB   25.3%   554KiB
    corecompiler --output-o         1     319s   33.8%    319s    125KiB    5.7%   125KiB
    link corecompiler               1    157ms    0.0%   157ms   58.9KiB    2.7%  58.9KiB
    base sysimage --output-o        1     182s   19.2%    182s    129KiB    5.9%   129KiB
    link base sysimage              1    697ms    0.1%   697ms   58.9KiB    2.7%  58.9KiB
  precompile packages               2    61.6s    6.5%   30.8s   91.6KiB    4.2%  45.8KiB
  create object file                2     265s   28.1%    133s    391KiB   17.9%   195KiB
    run precompile scripts          2    344ms    0.0%   172ms    212KiB    9.7%   106KiB
    compile --output-o              2     265s   28.0%    132s   15.4KiB    0.7%  7.72KiB
  link sysimage                     2    898ms    0.1%   449ms    129KiB    5.9%  64.3KiB
  install_name_tool                 2    373ms    0.0%   187ms   45.2KiB    2.1%  22.6KiB
─────────────────────────────────────────────────────────────────────────────────────────

@codecov

codecov Bot commented Mar 26, 2026 •
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Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 85.95%. Comparing base (686b959) to head (f89ee47).
⚠️ Report is 10 commits behind head on master.

Additional details and impacted files 
@@            Coverage Diff             @@
##           master    #1094      +/-   ##
==========================================
+ Coverage   85.59%   85.95%   +0.35%     
==========================================
  Files           3        3              
  Lines         826      840      +14     
==========================================
+ Hits          707      722      +15     
+ Misses        119      118       -1

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@IanButterworth
IanButterworth marked this pull request as ready for review March 26, 2026 19:21
@KristofferC

KristofferC commented Jun 21, 2026

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Some of these should maybe be annotated on the function definitions rather than the calls, or?

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@KristofferC KristofferC Awaiting requested review from KristofferC

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@IanButterworth @KristofferC