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e1203ea00f
* module/system/base/compile.scm, module/system/base/syntax.scm, module/system/repl/common.scm, module/system/repl/describe.scm, module/system/vm/instruction.scm, module/system/vm/objcode.scm, module/system/vm/profile.scm, module/system/vm/program.scm, module/system/vm/trace.scm: Switch header from GPLv2+ to LGPLv3+.
64 lines
2.1 KiB
Scheme
64 lines
2.1 KiB
Scheme
;;; Guile VM profiler
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;; Copyright (C) 2001 Free Software Foundation, Inc.
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;;; This library is free software; you can redistribute it and/or
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;;; modify it under the terms of the GNU Lesser General Public
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;;; License as published by the Free Software Foundation; either
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;;; version 3 of the License, or (at your option) any later version.
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;;;
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;;; This library is distributed in the hope that it will be useful,
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;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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;;; Lesser General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU Lesser General Public
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;;; License along with this library; if not, write to the Free Software
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;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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;;; Code:
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(define-module (system vm profile)
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#:use-module (system vm vm)
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#:use-module (ice-9 format)
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#:export (vm-profile))
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(define (vm-profile vm objcode . opts)
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(let ((flag (vm-option vm 'debug)))
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(dynamic-wind
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(lambda ()
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(set-vm-option! vm 'debug #t)
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(set-vm-option! vm 'profile-data '())
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(add-hook! (vm-next-hook vm) profile-next)
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(add-hook! (vm-enter-hook vm) profile-enter)
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(add-hook! (vm-exit-hook vm) profile-exit))
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(lambda ()
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(vm-load vm objcode)
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(print-result vm))
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(lambda ()
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(set-vm-option! vm 'debug flag)
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(remove-hook! (vm-next-hook vm) profile-next)
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(remove-hook! (vm-enter-hook vm) profile-enter)
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(remove-hook! (vm-exit-hook vm) profile-exit)))))
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(define (profile-next vm)
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(set-vm-option! vm 'profile-data
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(cons (vm-fetch-code vm) (vm-option vm 'profile-data))))
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(define (profile-enter vm)
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#f)
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(define (profile-exit vm)
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#f)
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(define (print-result vm . opts)
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(do ((data (vm-option vm 'profile-data) (cdr data))
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(summary '() (let ((inst (caar data)))
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(assq-set! summary inst
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(1+ (or (assq-ref summary inst) 0))))))
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((null? data)
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(display "Count Instruction\n")
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(display "----- -----------\n")
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(for-each (lambda (entry)
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(format #t "~5@A ~A\n" (cdr entry) (car entry)))
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(sort summary (lambda (e1 e2) (> (cdr e1) (cdr e2))))))))
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