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statprof and gcprof procedures use a fresh statprof state

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* module/statprof.scm (statprof, gcprof): Create a fresh statprof
  state.
This commit is contained in:
Andy Wingo 2014-02-25 22:16:49 +01:00
parent 4b3d7a2b7c
commit fd5dfcce80
1 changed files with 76 additions and 77 deletions
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153
module/statprof.scm
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@ -658,25 +658,24 @@ If @var{full-stacks?} is true, at each sample, statprof will store away the
whole call tree, for later analysis. Use @code{statprof-fetch-stacks} or
@code{statprof-fetch-call-tree} to retrieve the last-stored stacks."
(define state (ensure-profiler-state))
(dynamic-wind
(lambda ()
(statprof-reset (inexact->exact (floor (/ 1 hz)))
(inexact->exact (* 1e6 (- (/ 1 hz)
(floor (/ 1 hz)))))
count-calls?
full-stacks?)
(statprof-start))
(lambda ()
(let lp ((i loop))
(unless (zero? i)
(thunk)
(lp (1- i)))))
(lambda ()
(statprof-stop)
(statprof-display)
(set-procedure-data! state #f))))
(let ((state (fresh-profiler-state)))
(parameterize ((profiler-state state))
(dynamic-wind
(lambda ()
(statprof-reset (inexact->exact (floor (/ 1 hz)))
(inexact->exact (* 1e6 (- (/ 1 hz)
(floor (/ 1 hz)))))
count-calls?
full-stacks?)
(statprof-start))
(lambda ()
(let lp ((i loop))
(unless (zero? i)
(thunk)
(lp (1- i)))))
(lambda ()
(statprof-stop)
(statprof-display))))))
(define-macro (with-statprof . args)
"Profiles the expressions in its body.
@ -732,68 +731,68 @@ If @var{full-stacks?} is true, at each sample, statprof will store away the
whole call tree, for later analysis. Use @code{statprof-fetch-stacks} or
@code{statprof-fetch-call-tree} to retrieve the last-stored stacks."
(define state (ensure-profiler-state))
(let ((state (fresh-profiler-state)))
(parameterize ((profiler-state state))
(define (reset)
(when (positive? (profile-level state))
(error "Can't reset profiler while profiler is running."))
(set-accumulated-time! state 0)
(set-last-start-time! state #f)
(set-sample-count! state 0)
(set-count-calls?! state #f)
(set-procedure-data! state (make-hash-table 131))
(set-record-full-stacks?! state full-stacks?)
(set-stacks! state '()))
(define (reset)
(when (positive? (profile-level state))
(error "Can't reset profiler while profiler is running."))
(set-accumulated-time! state 0)
(set-last-start-time! state #f)
(set-sample-count! state 0)
(set-count-calls?! state #f)
(set-procedure-data! state (make-hash-table 131))
(set-record-full-stacks?! state full-stacks?)
(set-stacks! state '()))
(define (gc-callback)
(cond
((inside-profiler? state))
(else
(set-inside-profiler?! state #t)
(define (gc-callback)
(cond
((inside-profiler? state))
(else
(set-inside-profiler?! state #t)
;; FIXME: should be able to set an outer frame for the stack cut
(let ((stop-time (get-internal-run-time))
;; Cut down to gc-callback, and then one before (the
;; after-gc async). See the note in profile-signal-handler
;; also.
(stack (or (make-stack #t gc-callback 0 1)
(pk 'what! (make-stack #t)))))
(sample-stack-procs state stack)
(accumulate-time state stop-time)
(set-last-start-time! state (get-internal-run-time)))
;; FIXME: should be able to set an outer frame for the stack cut
(let ((stop-time (get-internal-run-time))
;; Cut down to gc-callback, and then one before (the
;; after-gc async). See the note in profile-signal-handler
;; also.
(stack (or (make-stack #t gc-callback 0 1)
(pk 'what! (make-stack #t)))))
(sample-stack-procs state stack)
(accumulate-time state stop-time)
(set-last-start-time! state (get-internal-run-time)))
(set-inside-profiler?! state #f))))
(set-inside-profiler?! state #f))))
(define (start)
(set-profile-level! state (+ (profile-level state) 1))
(when (= (profile-level state) 1)
(set-remaining-prof-time! state #f)
(set-last-start-time! state (get-internal-run-time))
(set-gc-time-taken! state (assq-ref (gc-stats) 'gc-time-taken))
(add-hook! after-gc-hook gc-callback)
(set-vm-trace-level! (1+ (vm-trace-level)))
#t))
(define (start)
(set-profile-level! state (+ (profile-level state) 1))
(when (= (profile-level state) 1)
(set-remaining-prof-time! state #f)
(set-last-start-time! state (get-internal-run-time))
(set-gc-time-taken! state (assq-ref (gc-stats) 'gc-time-taken))
(add-hook! after-gc-hook gc-callback)
(set-vm-trace-level! (1+ (vm-trace-level)))
#t))
(define (stop)
(set-profile-level! state (- (profile-level state) 1))
(when (zero? (profile-level state))
(set-gc-time-taken! state
(- (assq-ref (gc-stats) 'gc-time-taken)
(gc-time-taken state)))
(remove-hook! after-gc-hook gc-callback)
(accumulate-time state (get-internal-run-time))
(set-last-start-time! state #f)))
(define (stop)
(set-profile-level! state (- (profile-level state) 1))
(when (zero? (profile-level state))
(set-gc-time-taken! state
(- (assq-ref (gc-stats) 'gc-time-taken)
(gc-time-taken state)))
(remove-hook! after-gc-hook gc-callback)
(accumulate-time state (get-internal-run-time))
(set-last-start-time! state #f)))
(dynamic-wind
(lambda ()
(reset)
(start))
(lambda ()
(let lp ((i loop))
(unless (zero? i)
(thunk)
(lp (1- i)))))
(lambda ()
(stop)
(statprof-display)
(set-procedure-data! state #f))))
(dynamic-wind
(lambda ()
(reset)
(start))
(lambda ()
(let lp ((i loop))
(unless (zero? i)
(thunk)
(lp (1- i)))))
(lambda ()
(stop)
(statprof-display))))))