⏲ Analyse comparative

info

Run zi analytics to see the available commands for statistics and reporting.

Plugins de profilage

~/.zshrc

zi ice atinit'zmodload zsh/zprof' \  atload'zprof | head -n 20; zmodload -u zsh/zprof'zi light z-shell/F-Sy-H

Syntaxe	Description
atinit'…'	loads the zsh/zprof module, shipped with Zsh, before loading the plugin – this starts the profiling.
atload'…'	fonctionne après le chargement du plugin - montre les résultats du profilage zprof / head, décharge zsh/zprof - ceci arrête le profilage.

Lorsqu'il est en vigueur, seul un seul plugin, dans ce cas, z-shell/F-Sy-H, sera profilé.

Les autres plugins se dérouleront tout à fait normalement, comme lorsque les plugins sont chargés avec light - le reporting est désactivé.

Less code is being run in the background, the automatic data gathering, during loading of a plugin, for the reports and the possibility to unload the plugin will be activated and the functions will not appear in the zprof report.

Exemple de rapport zprof:

num  calls    time            self                 name---------------------------------------------------------------------------- 1)  1  57,76  57,76  57,91%  57,76  57,76  57,91%  _zsh_highlight_bind_widgets 2)  1  25,81  25,81  25,88%  25,81  25,81  25,88%  compinit 3)  4  10,71   2,68  10,74%   8,71   2,18   8,73%  --zi-shadow-autoload 4) 43   2,06   0,05   2,07%   2,06   0,05   2,07%  -zi-add-report 5)  8   1,98   0,25   1,98%   1,98   0,25   1,98%  compdef 6)  1   2,85   2,85   2,85%   0,87   0,87   0,87%  -zi-compdef-replay 7)  1   0,68   0,68   0,68%   0,68   0,68   0,68%  -zi-shadow-off 8)  1   0,79   0,79   0,79%   0,49   0,49   0,49%  add-zsh-hook 9)  1   0,47   0,47   0,47%   0,47   0,47   0,47%  -zi-shadow-on10)  3   0,34   0,11   0,35%   0,34   0,11   0,35%  (anon)11)  4  10,91   2,73  10,94%   0,20   0,05   0,20%  autoload12)  1   0,19   0,19   0,19%   0,19   0,19   0,19%  -fast-highlight-fill-option-variables13)  1  25,98  25,98  26,05%   0,17   0,17   0,17%  zicompinit14)  1   2,88   2,88   2,89%   0,03   0,03   0,03%  zicdreplay15)  1   0,00   0,00   0,00%   0,00   0,00   0,00%  -zi-load-plugin-----------------------------------------------------------------------------------

La première colonne est le temps en millisecondes:

• It denotes the amount of time spent in a function in total
• For example, --zi-shadow-autoload consumed 10.71 ms of the execution time

The fourth column is also a time in milliseconds, but it denotes the amount of time spent on executing only of function's own code, it doesn't count the time spent in descendant functions that is called from the function:

• For example, --zi-shadow-autoload spent 8.71 ms on executing only its code

The table is sorted in the self-time column.

Profilage du démarrage de .zshrc

Méthode 1

PROFILE_STARTUP=true pour activer le profilage.

Place the snippet below at the top of .zshrc.

~/.zshrc

PROFILE_STARTUP=falseif [[ "$PROFILE_STARTUP" == true ]]; then  zmodload zsh/zprof  PS4=$'%D{%M%S%.} %N:%i> '  exec 3>&2 2>$HOME/startlog.$$  setopt xtrace prompt_substfi

Extension d'invite PS4

Zsh Sourceforge docs: Prompt Expansion

Placez au bas de .zshrc

~/.zshrc

if [[ "$PROFILE_STARTUP" == true ]]; then  unsetopt xtrace  exec 2>&3 3>&-; zprof > ~/zshprofile$(date +'%s')fi

La prochaine fois, votre .zshrc sera exécuté, il générera 2 fichiers dans le répertoire $HOME.

Méthode 2

Store multiple values to a variable:

~/.zshrc

# Set variabletypeset -Ag ZLOGS# Message to storezmsg() { ZLOGS+=( "\n[$1]: ${(M)$(( SECONDS * 1000 ))#*.?} ms" ); }# Start profilingtypeset -F4 SECONDS=0# <RUN SOME FUNCTIONS TO MEASURE>zmsg "Loaded functions"# <RUN SOMETHING ELSE>zmsg "Loaded something else"# <THE FINAL CODE BLOCK HERE>zmsg "Done"

Then use the $ZLOGS variable to retrieve:

print $ZLOGS

[Loaded functions]: 0.0 ms[Loaded something else]: 0.0 ms[Done]: 0.1 ms