zsh/zprof というモジュールが使える。
zsh のモジュールは zmodload $module で読みこむ。
zmodload zsh/zprof
zprof でプロファイルを出力する。
zprof
# num calls time self name
# -----------------------------------------------------------------------------------
# 1) 1 1421.46 1421.46 98.57% 1421.46 1421.46 98.57% update_prompt
# 2) 30 3.45 0.12 0.24% 3.45 0.12 0.24% url-quote-magic
# 3) 2 3.79 1.90 0.26% 3.24 1.62 0.22% _all_labels
# 4) 18 4.69 0.26 0.33% 3.18 0.18 0.22% _description
# 5) 19 2.43 0.13 0.17% 2.43 0.13 0.17% _setup
# 6) 1 16.38 16.38 1.14% 1.82 1.82 0.13% _main_complete
# 7) 1 12.74 12.74 0.88% 1.71 1.71 0.12% _alternative
# 8) 16 2.68 0.17 0.19% 0.73 0.05 0.05% _next_label
# 9) 1 1.41 1.41 0.10% 0.72 0.72 0.05% _parameters
# 10) 8 0.61 0.08 0.04% 0.61 0.08 0.04% _tags
# 11) 1 16.82 16.82 1.17% 0.37 0.37 0.03% magic-abbrev-expand-and-normal-complete
# 12) 1 13.50 13.50 0.94% 0.30 0.30 0.02% _complete
# 13) 8 0.28 0.04 0.02% 0.28 0.04 0.02% _requested
# 14) 2 3.85 1.92 0.27% 0.26 0.13 0.02% _path_commands
# 15) 2 4.27 2.14 0.30% 0.25 0.13 0.02% _wanted
# 16) 3 0.24 0.08 0.02% 0.24 0.08 0.02% magic-abbrev-expand
# 17) 1 12.91 12.91 0.89% 0.16 0.16 0.01% _command_names
# 18) 1 0.16 0.16 0.01% 0.16 0.16 0.01% _jobs
# 19) 1 13.12 13.12 0.91% 0.15 0.15 0.01% _normal
# 20) 1 0.15 0.15 0.01% 0.15 0.15 0.01% _oldlist
# 21) 1 0.09 0.09 0.01% 0.09 0.09 0.01% update_window_title
# 22) 1 0.52 0.52 0.04% 0.09 0.09 0.01% magic-space
# 23) 1 0.08 0.08 0.01% 0.08 0.08 0.01% _suffix_alias_files
# 24) 1 0.07 0.07 0.01% 0.07 0.07 0.01% _first
# 25) 1 12.98 12.98 0.90% 0.07 0.07 0.01% _autocd
# 26) 1 0.11 0.11 0.01% 0.04 0.04 0.00% magic-abbrev-expand-and-accept
#
# -----------------------------------------------------------------------------------
#
# 1) 1 1421.46 1421.46 98.57% 1421.46 1421.46 98.57% update_prompt
#
# -----------------------------------------------------------------------------------
#
# 11) 1 16.82 16.82 1.17% 0.37 0.37 0.03% magic-abbrev-expand-and-normal-complete
# 1/3 0.08 0.08 0.01% 0.08 0.08 magic-abbrev-expand [16]
# 1/1 16.38 16.38 1.14% 1.82 1.82 _main_complete [6]
#
# -----------------------------------------------------------------------------------
#
# 1/1 16.38 16.38 1.14% 1.82 1.82 magic-abbrev-expand-and-normal-complete [11]
# 6) 1 16.38 16.38 1.14% 1.82 1.82 0.13% _main_complete
# 1/1 0.15 0.15 0.01% 0.15 0.15 _oldlist [20]
# 1/19 0.92 0.92 0.06% 0.92 0.92 _setup [5]
# 1/1 13.50 13.50 0.94% 0.30 0.30 _complete [12]
#
# -----------------------------------------------------------------------------------
#
# 1/1 13.50 13.50 0.94% 0.30 0.30 _main_complete [6]
# 12) 1 13.50 13.50 0.94% 0.30 0.30 0.02% _complete
# 1/1 0.07 0.07 0.01% 0.07 0.07 _first [24]
# 1/1 13.12 13.12 0.91% 0.15 0.15 _normal [19]
#
# -----------------------------------------------------------------------------------
#
# 1/1 13.12 13.12 0.91% 0.15 0.15 _complete [12]
# 19) 1 13.12 13.12 0.91% 0.15 0.15 0.01% _normal
# 1/1 12.98 12.98 0.90% 0.07 0.07 _autocd [25]
#
# -----------------------------------------------------------------------------------
#
# 1/1 12.98 12.98 0.90% 0.07 0.07 _normal [19]
# 25) 1 12.98 12.98 0.90% 0.07 0.07 0.01% _autocd
# 1/1 12.91 12.91 0.89% 0.16 0.16 _command_names [17]
#
# -----------------------------------------------------------------------------------
#
# 1/1 12.91 12.91 0.89% 0.16 0.16 _autocd [25]
# 17) 1 12.91 12.91 0.89% 0.16 0.16 0.01% _command_names
# 1/1 12.74 12.74 0.88% 1.71 1.71 _alternative [7]
#
# -----------------------------------------------------------------------------------
#
# 1/1 12.74 12.74 0.88% 1.71 1.71 _command_names [17]
# 7) 1 12.74 12.74 0.88% 1.71 1.71 0.12% _alternative
# 1/1 0.08 0.08 0.01% 0.08 0.08 _suffix_alias_files [23]
# 1/1 0.16 0.16 0.01% 0.16 0.16 _jobs [18]
# 8/8 0.28 0.04 0.02% 0.28 0.04 _requested [13]
# 2/8 0.39 0.19 0.03% 0.39 0.19 _tags [10]
# 1/1 1.41 1.41 0.10% 0.72 0.72 _parameters [9]
# 8/18 2.19 0.27 0.15% 1.52 0.19 _description [4]
# 16/16 2.68 0.17 0.19% 0.73 0.05 _next_label [8]
# 1/2 3.85 3.85 0.27% 0.22 0.22 _path_commands [14]
#
# -----------------------------------------------------------------------------------
#
# 8/18 2.19 0.27 0.15% 1.52 0.19 _alternative [7]
# 8/18 1.95 0.24 0.14% 1.30 0.16 _next_label [8]
# 2/18 0.55 0.28 0.04% 0.36 0.18 _all_labels [3]
# 4) 18 4.69 0.26 0.33% 3.18 0.18 0.22% _description
# 18/19 1.51 0.08 0.10% 1.51 0.08 _setup [5]
#
# -----------------------------------------------------------------------------------
#
# 1/2 3.58 3.58 0.25% 0.12 0.12 _path_commands [14]
# 1/2 0.69 0.69 0.05% 0.13 0.13 _parameters [9]
# 15) 2 4.27 2.14 0.30% 0.25 0.13 0.02% _wanted
# 6/8 0.23 0.04 0.02% 0.23 0.04 _tags [10]
# 2/2 3.79 1.90 0.26% 3.24 1.62 _all_labels [3]
#
# -----------------------------------------------------------------------------------
#
# 1/2 3.85 3.85 0.27% 0.22 0.22 _alternative [7]
# 1/2 3.62 3.62 0.25% 0.04 0.04 _path_commands [14]
# 14) 2 3.85 1.92 0.27% 0.26 0.13 0.02% _path_commands
# 1/2 3.58 3.58 0.25% 0.12 0.12 _wanted [15]
# 1/2 3.62 3.62 0.25% 0.04 0.04 _path_commands [14]
#
# -----------------------------------------------------------------------------------
#
# 2/2 3.79 1.90 0.26% 3.24 1.62 _wanted [15]
# 3) 2 3.79 1.90 0.26% 3.24 1.62 0.22% _all_labels
# 2/18 0.55 0.28 0.04% 0.36 0.18 _description [4]
#
# -----------------------------------------------------------------------------------
#
# 1/30 0.34 0.34 0.02% 0.34 0.34 magic-space [22]
# 2) 30 3.45 0.12 0.24% 3.45 0.12 0.24% url-quote-magic
#
# -----------------------------------------------------------------------------------
#
# 16/16 2.68 0.17 0.19% 0.73 0.05 _alternative [7]
# 8) 16 2.68 0.17 0.19% 0.73 0.05 0.05% _next_label
# 8/18 1.95 0.24 0.14% 1.30 0.16 _description [4]
#
# -----------------------------------------------------------------------------------
#
# 18/19 1.51 0.08 0.10% 1.51 0.08 _description [4]
# 1/19 0.92 0.92 0.06% 0.92 0.92 _main_complete [6]
# 5) 19 2.43 0.13 0.17% 2.43 0.13 0.17% _setup
#
# -----------------------------------------------------------------------------------
#
# 1/1 1.41 1.41 0.10% 0.72 0.72 _alternative [7]
# 9) 1 1.41 1.41 0.10% 0.72 0.72 0.05% _parameters
# 1/2 0.69 0.69 0.05% 0.13 0.13 _wanted [15]
#
# -----------------------------------------------------------------------------------
#
# 2/8 0.39 0.19 0.03% 0.39 0.19 _alternative [7]
# 6/8 0.23 0.04 0.02% 0.23 0.04 _wanted [15]
# 10) 8 0.61 0.08 0.04% 0.61 0.08 0.04% _tags
#
# -----------------------------------------------------------------------------------
#
# 22) 1 0.52 0.52 0.04% 0.09 0.09 0.01% magic-space
# 1/3 0.09 0.09 0.01% 0.09 0.09 magic-abbrev-expand [16]
# 1/30 0.34 0.34 0.02% 0.34 0.34 url-quote-magic [2]
#
# -----------------------------------------------------------------------------------
#
# 8/8 0.28 0.04 0.02% 0.28 0.04 _alternative [7]
# 13) 8 0.28 0.04 0.02% 0.28 0.04 0.02% _requested
#
# -----------------------------------------------------------------------------------
#
# 1/3 0.09 0.09 0.01% 0.09 0.09 magic-space [22]
# 1/3 0.08 0.08 0.01% 0.08 0.08 magic-abbrev-expand-and-normal-complete [11]
# 1/3 0.07 0.07 0.00% 0.07 0.07 magic-abbrev-expand-and-accept [26]
# 16) 3 0.24 0.08 0.02% 0.24 0.08 0.02% magic-abbrev-expand
#
# -----------------------------------------------------------------------------------
#
# 1/1 0.16 0.16 0.01% 0.16 0.16 _alternative [7]
# 18) 1 0.16 0.16 0.01% 0.16 0.16 0.01% _jobs
#
# -----------------------------------------------------------------------------------
#
# 1/1 0.15 0.15 0.01% 0.15 0.15 _main_complete [6]
# 20) 1 0.15 0.15 0.01% 0.15 0.15 0.01% _oldlist
#
# -----------------------------------------------------------------------------------
#
# 26) 1 0.11 0.11 0.01% 0.04 0.04 0.00% magic-abbrev-expand-and-accept
# 1/3 0.07 0.07 0.00% 0.07 0.07 magic-abbrev-expand [16]
#
# -----------------------------------------------------------------------------------
#
# 21) 1 0.09 0.09 0.01% 0.09 0.09 0.01% update_window_title
#
# -----------------------------------------------------------------------------------
#
# 1/1 0.08 0.08 0.01% 0.08 0.08 _alternative [7]
# 23) 1 0.08 0.08 0.01% 0.08 0.08 0.01% _suffix_alias_files
#
# -----------------------------------------------------------------------------------
#
# 1/1 0.07 0.07 0.01% 0.07 0.07 _complete [12]
# 24) 1 0.07 0.07 0.01% 0.07 0.07 0.01% _first
update_prompt という関数がめちゃめちゃ遅いということがわかる。