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annotate libinterp/parse-tree/profiler.h @ 31605:e88a07dec498 stable

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maint: Use macros to begin/end C++ namespaces. * oct-conf-post-public.in.h: Define two macros (OCTAVE_BEGIN_NAMESPACE, OCTAVE_END_NAMESPACE) that can be used to start/end a namespace. * mk-opts.pl, build-env.h, build-env.in.cc, __betainc__.cc, __contourc__.cc, __dsearchn__.cc, __eigs__.cc, __expint__.cc, __ftp__.cc, __gammainc__.cc, __ichol__.cc, __ilu__.cc, __isprimelarge__.cc, __lin_interpn__.cc, __magick_read__.cc, __pchip_deriv__.cc, __qp__.cc, amd.cc, auto-shlib.cc, auto-shlib.h, balance.cc, base-text-renderer.cc, base-text-renderer.h, besselj.cc, bitfcns.cc, bsxfun.cc, c-file-ptr-stream.cc, c-file-ptr-stream.h, call-stack.cc, call-stack.h, ccolamd.cc, cellfun.cc, chol.cc, colamd.cc, colloc.cc, conv2.cc, daspk.cc, dasrt.cc, dassl.cc, data.cc, data.h, debug.cc, defaults.cc, defaults.h, defun-int.h, defun.cc, det.cc, dirfns.cc, display.cc, display.h, dlmread.cc, dmperm.cc, dot.cc, dynamic-ld.cc, dynamic-ld.h, eig.cc, ellipj.cc, environment.cc, environment.h, error.cc, error.h, errwarn.h, event-manager.cc, event-manager.h, event-queue.cc, event-queue.h, fcn-info.cc, fcn-info.h, fft.cc, fft2.cc, fftn.cc, file-io.cc, filter.cc, find.cc, ft-text-renderer.cc, ft-text-renderer.h, gcd.cc, getgrent.cc, getpwent.cc, getrusage.cc, givens.cc, gl-render.cc, gl-render.h, gl2ps-print.cc, gl2ps-print.h, graphics-toolkit.cc, graphics-toolkit.h, graphics.cc, graphics.in.h, gsvd.cc, gtk-manager.cc, gtk-manager.h, hash.cc, help.cc, help.h, hess.cc, hex2num.cc, hook-fcn.cc, hook-fcn.h, input.cc, input.h, interpreter-private.cc, interpreter-private.h, interpreter.cc, interpreter.h, inv.cc, jsondecode.cc, jsonencode.cc, kron.cc, latex-text-renderer.cc, latex-text-renderer.h, load-path.cc, load-path.h, load-save.cc, load-save.h, lookup.cc, ls-ascii-helper.cc, ls-ascii-helper.h, ls-oct-text.cc, ls-utils.cc, ls-utils.h, lsode.cc, lu.cc, mappers.cc, matrix_type.cc, max.cc, mex-private.h, mex.cc, mgorth.cc, nproc.cc, oct-fstrm.cc, oct-fstrm.h, oct-hdf5-types.cc, oct-hdf5-types.h, oct-hist.cc, oct-hist.h, oct-iostrm.cc, oct-iostrm.h, oct-opengl.h, oct-prcstrm.cc, oct-prcstrm.h, oct-procbuf.cc, oct-procbuf.h, oct-process.cc, oct-process.h, oct-stdstrm.h, oct-stream.cc, oct-stream.h, oct-strstrm.cc, oct-strstrm.h, oct-tex-lexer.in.ll, oct-tex-parser.yy, ordqz.cc, ordschur.cc, pager.cc, pager.h, pinv.cc, pow2.cc, pr-flt-fmt.cc, pr-output.cc, procstream.cc, procstream.h, psi.cc, qr.cc, quad.cc, quadcc.cc, qz.cc, rand.cc, rcond.cc, regexp.cc, schur.cc, settings.cc, settings.h, sighandlers.cc, sighandlers.h, sparse-xdiv.cc, sparse-xdiv.h, sparse-xpow.cc, sparse-xpow.h, sparse.cc, spparms.cc, sqrtm.cc, stack-frame.cc, stack-frame.h, stream-euler.cc, strfind.cc, strfns.cc, sub2ind.cc, svd.cc, sylvester.cc, symbfact.cc, syminfo.cc, syminfo.h, symrcm.cc, symrec.cc, symrec.h, symscope.cc, symscope.h, symtab.cc, symtab.h, syscalls.cc, sysdep.cc, sysdep.h, text-engine.cc, text-engine.h, text-renderer.cc, text-renderer.h, time.cc, toplev.cc, tril.cc, tsearch.cc, typecast.cc, url-handle-manager.cc, url-handle-manager.h, urlwrite.cc, utils.cc, utils.h, variables.cc, variables.h, xdiv.cc, xdiv.h, xnorm.cc, xnorm.h, xpow.cc, xpow.h, __delaunayn__.cc, __fltk_uigetfile__.cc, __glpk__.cc, __init_fltk__.cc, __init_gnuplot__.cc, __ode15__.cc, __voronoi__.cc, audiodevinfo.cc, audioread.cc, convhulln.cc, fftw.cc, gzip.cc, mk-build-env-features.sh, mk-builtins.pl, cdef-class.cc, cdef-class.h, cdef-fwd.h, cdef-manager.cc, cdef-manager.h, cdef-method.cc, cdef-method.h, cdef-object.cc, cdef-object.h, cdef-package.cc, cdef-package.h, cdef-property.cc, cdef-property.h, cdef-utils.cc, cdef-utils.h, ov-base.cc, ov-base.h, ov-bool-mat.cc, ov-builtin.h, ov-cell.cc, ov-class.cc, ov-class.h, ov-classdef.cc, ov-classdef.h, ov-complex.cc, ov-fcn-handle.cc, ov-fcn-handle.h, ov-fcn.h, ov-java.cc, ov-java.h, ov-mex-fcn.h, ov-null-mat.cc, ov-oncleanup.cc, ov-struct.cc, ov-typeinfo.cc, ov-typeinfo.h, ov-usr-fcn.cc, ov-usr-fcn.h, ov.cc, ov.h, octave.cc, octave.h, mk-ops.sh, op-b-b.cc, op-b-bm.cc, op-b-sbm.cc, op-bm-b.cc, op-bm-bm.cc, op-bm-sbm.cc, op-cdm-cdm.cc, op-cell.cc, op-chm.cc, op-class.cc, op-cm-cm.cc, op-cm-cs.cc, op-cm-m.cc, op-cm-s.cc, op-cm-scm.cc, op-cm-sm.cc, op-cs-cm.cc, op-cs-cs.cc, op-cs-m.cc, op-cs-s.cc, op-cs-scm.cc, op-cs-sm.cc, op-dm-dm.cc, op-dm-scm.cc, op-dm-sm.cc, op-dm-template.cc, op-dms-template.cc, op-fcdm-fcdm.cc, op-fcm-fcm.cc, op-fcm-fcs.cc, op-fcm-fm.cc, op-fcm-fs.cc, op-fcn.cc, op-fcs-fcm.cc, op-fcs-fcs.cc, op-fcs-fm.cc, op-fcs-fs.cc, op-fdm-fdm.cc, op-fm-fcm.cc, op-fm-fcs.cc, op-fm-fm.cc, op-fm-fs.cc, op-fs-fcm.cc, op-fs-fcs.cc, op-fs-fm.cc, op-fs-fs.cc, op-i16-i16.cc, op-i32-i32.cc, op-i64-i64.cc, op-i8-i8.cc, op-int-concat.cc, op-m-cm.cc, op-m-cs.cc, op-m-m.cc, op-m-s.cc, op-m-scm.cc, op-m-sm.cc, op-mi.cc, op-pm-pm.cc, op-pm-scm.cc, op-pm-sm.cc, op-pm-template.cc, op-range.cc, op-s-cm.cc, op-s-cs.cc, op-s-m.cc, op-s-s.cc, op-s-scm.cc, op-s-sm.cc, op-sbm-b.cc, op-sbm-bm.cc, op-sbm-sbm.cc, op-scm-cm.cc, op-scm-cs.cc, op-scm-m.cc, op-scm-s.cc, op-scm-scm.cc, op-scm-sm.cc, op-sm-cm.cc, op-sm-cs.cc, op-sm-m.cc, op-sm-s.cc, op-sm-scm.cc, op-sm-sm.cc, op-str-m.cc, op-str-s.cc, op-str-str.cc, op-struct.cc, op-ui16-ui16.cc, op-ui32-ui32.cc, op-ui64-ui64.cc, op-ui8-ui8.cc, ops.h, anon-fcn-validator.cc, anon-fcn-validator.h, bp-table.cc, bp-table.h, comment-list.cc, comment-list.h, filepos.h, lex.h, lex.ll, oct-lvalue.cc, oct-lvalue.h, oct-parse.yy, parse.h, profiler.cc, profiler.h, pt-anon-scopes.cc, pt-anon-scopes.h, pt-arg-list.cc, pt-arg-list.h, pt-args-block.cc, pt-args-block.h, pt-array-list.cc, pt-array-list.h, pt-assign.cc, pt-assign.h, pt-binop.cc, pt-binop.h, pt-bp.cc, pt-bp.h, pt-cbinop.cc, pt-cbinop.h, pt-cell.cc, pt-cell.h, pt-check.cc, pt-check.h, pt-classdef.cc, pt-classdef.h, pt-cmd.h, pt-colon.cc, pt-colon.h, pt-const.cc, pt-const.h, pt-decl.cc, pt-decl.h, pt-eval.cc, pt-eval.h, pt-except.cc, pt-except.h, pt-exp.cc, pt-exp.h, pt-fcn-handle.cc, pt-fcn-handle.h, pt-id.cc, pt-id.h, pt-idx.cc, pt-idx.h, pt-jump.h, pt-loop.cc, pt-loop.h, pt-mat.cc, pt-mat.h, pt-misc.cc, pt-misc.h, pt-pr-code.cc, pt-pr-code.h, pt-select.cc, pt-select.h, pt-spmd.cc, pt-spmd.h, pt-stmt.cc, pt-stmt.h, pt-tm-const.cc, pt-tm-const.h, pt-unop.cc, pt-unop.h, pt-vm-eval.cc, pt-walk.cc, pt-walk.h, pt.cc, pt.h, token.cc, token.h, Range.cc, Range.h, idx-vector.cc, idx-vector.h, range-fwd.h, CollocWt.cc, CollocWt.h, aepbalance.cc, aepbalance.h, chol.cc, chol.h, gepbalance.cc, gepbalance.h, gsvd.cc, gsvd.h, hess.cc, hess.h, lo-mappers.cc, lo-mappers.h, lo-specfun.cc, lo-specfun.h, lu.cc, lu.h, oct-convn.cc, oct-convn.h, oct-fftw.cc, oct-fftw.h, oct-norm.cc, oct-norm.h, oct-rand.cc, oct-rand.h, oct-spparms.cc, oct-spparms.h, qr.cc, qr.h, qrp.cc, qrp.h, randgamma.cc, randgamma.h, randmtzig.cc, randmtzig.h, randpoisson.cc, randpoisson.h, schur.cc, schur.h, sparse-chol.cc, sparse-chol.h, sparse-lu.cc, sparse-lu.h, sparse-qr.cc, sparse-qr.h, svd.cc, svd.h, child-list.cc, child-list.h, dir-ops.cc, dir-ops.h, file-ops.cc, file-ops.h, file-stat.cc, file-stat.h, lo-sysdep.cc, lo-sysdep.h, lo-sysinfo.cc, lo-sysinfo.h, mach-info.cc, mach-info.h, oct-env.cc, oct-env.h, oct-group.cc, oct-group.h, oct-password.cc, oct-password.h, oct-syscalls.cc, oct-syscalls.h, oct-time.cc, oct-time.h, oct-uname.cc, oct-uname.h, action-container.cc, action-container.h, base-list.h, cmd-edit.cc, cmd-edit.h, cmd-hist.cc, cmd-hist.h, f77-fcn.h, file-info.cc, file-info.h, lo-array-errwarn.cc, lo-array-errwarn.h, lo-hash.cc, lo-hash.h, lo-ieee.h, lo-regexp.cc, lo-regexp.h, lo-utils.cc, lo-utils.h, oct-base64.cc, oct-base64.h, oct-glob.cc, oct-glob.h, oct-inttypes.h, oct-mutex.cc, oct-mutex.h, oct-refcount.h, oct-shlib.cc, oct-shlib.h, oct-sparse.cc, oct-sparse.h, oct-string.h, octave-preserve-stream-state.h, pathsearch.cc, pathsearch.h, quit.cc, quit.h, unwind-prot.cc, unwind-prot.h, url-transfer.cc, url-transfer.h : Use new macros to begin/end C++ namespaces.
author Rik <rik@octave.org>
date Thu, 01 Dec 2022 14:23:45 -0800
parents 83f9f8bda883
children aac27ad79be6
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1 ////////////////////////////////////////////////////////////////////////
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2 //
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3 // Copyright (C) 2012-2022 The Octave Project Developers
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4 //
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5 // See the file COPYRIGHT.md in the top-level directory of this
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6 // distribution or <https://octave.org/copyright/>.
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7 //
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8 // This file is part of Octave.
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9 //
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10 // Octave is free software: you can redistribute it and/or modify it
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11 // under the terms of the GNU General Public License as published by
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12 // the Free Software Foundation, either version 3 of the License, or
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13 // (at your option) any later version.
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14 //
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15 // Octave is distributed in the hope that it will be useful, but
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16 // WITHOUT ANY WARRANTY; without even the implied warranty of
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17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18 // GNU General Public License for more details.
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19 //
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20 // You should have received a copy of the GNU General Public License
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21 // along with Octave; see the file COPYING. If not, see
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22 // <https://www.gnu.org/licenses/>.
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23 //
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24 ////////////////////////////////////////////////////////////////////////
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25
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26 #if ! defined (octave_profiler_h)
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27 #define octave_profiler_h 1
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28
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29 #include "octave-config.h"
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30
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31 #include <cstddef>
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32 #include <map>
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33 #include <set>
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34 #include <string>
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35 #include <vector>
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36
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37 class octave_value;
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38
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39 OCTAVE_BEGIN_NAMESPACE(octave)
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40
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41 class
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42 OCTINTERP_API
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43 profiler
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44 {
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45 public:
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46
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47 // This is a utility class that can be used to call the enter/exit
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48 // functions in a manner protected from stack unwinding.
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49 template <typename T> class enter
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50 {
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51 private:
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52
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53 profiler& m_profiler;
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54 std::string m_fcn;
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55 bool m_enabled;
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56
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57 public:
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58
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59 enter (profiler& p, const T& t) : m_profiler (p)
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60 {
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61 // A profiling block cannot be active if the profiler is not
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62 m_enabled = m_profiler.enabled ();
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63
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64 if (m_enabled)
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65 {
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66 m_fcn = t.profiler_name ();
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67
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68 // NOTE: The test f != "" must be kept to prevent a blank
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69 // line showing up in profiler statistics. See bug
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70 // #39524. The root cause is that the function name is
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71 // not set for the recurring readline hook function.
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72 if (m_fcn == "")
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73 m_enabled = false; // Inactive profiling block
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74 else
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75 m_profiler.enter_function (m_fcn);
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76 }
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77 }
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78
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79 // No copying!
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80
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81 enter (const enter&) = delete;
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82
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83 enter& operator = (const enter&) = delete;
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84
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85 ~enter (void)
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86 {
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87 if (m_enabled)
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88 m_profiler.exit_function (m_fcn);
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89 }
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90 };
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91
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92 profiler (void);
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93
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94 // No copying!
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95
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96 profiler (const profiler&) = delete;
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97
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98 profiler& operator = (const profiler&) = delete;
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99
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100 virtual ~profiler (void);
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101
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102 bool enabled (void) const { return m_enabled; }
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103 void set_active (bool);
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104
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105 void reset (void);
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106
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107 octave_value get_flat (void) const;
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108 octave_value get_hierarchical (void) const;
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109
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110 private:
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111
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112 // One entry in the flat profile (i.e., a collection of data for a single
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113 // function). This is filled in when building the flat profile from the
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114 // hierarchical call tree.
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115 struct stats
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116 {
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117 public:
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118 stats (void);
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119
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120 typedef std::set<octave_idx_type> function_set;
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121
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122 // Convert a function_set list to an Octave array of indices.
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123 static octave_value function_set_value (const function_set&);
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124
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125 //--------
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126
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127 double m_time;
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128 std::size_t m_calls;
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129
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130 bool m_recursive;
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131
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132 function_set m_parents;
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133 function_set m_children;
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134 };
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135
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136 typedef std::vector<stats> flat_profile;
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137
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138 // Store data for one node in the call-tree of the hierarchical profiler
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139 // data we collect.
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140 class tree_node
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141 {
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142 public:
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143
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144 tree_node (tree_node*, octave_idx_type);
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145
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146 virtual ~tree_node (void);
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147
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148 // No copying!
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149
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150 tree_node (const tree_node&) = delete;
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151
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152 tree_node& operator = (const tree_node&) = delete;
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153
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154 void add_time (double dt) { m_time += dt; }
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155
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156 // Enter a child function. It is created in the list of children if it
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157 // wasn't already there. The now-active child node is returned.
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158 tree_node *enter (octave_idx_type);
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159
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160 // Exit function. As a sanity-check, it is verified that the currently
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161 // active function actually is the one handed in here. Returned is the
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162 // then-active node, which is our parent.
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163 tree_node *exit (octave_idx_type);
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164
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165 void build_flat (flat_profile&) const;
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166
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167 // Get the hierarchical profile for this node and its children. If total
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168 // is set, accumulate total time of the subtree in that variable as
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169 // additional return value.
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170 octave_value get_hierarchical (double *total = nullptr) const;
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171
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172 private:
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173
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174 tree_node *m_parent;
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175 octave_idx_type m_fcn_id;
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176
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177 typedef std::map<octave_idx_type, tree_node*> child_map;
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178 child_map m_children;
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179
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180 // This is only time spent *directly* on this level, excluding children!
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181 double m_time;
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182
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183 std::size_t m_calls;
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184 };
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185
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186 // Each function we see in the profiler is given a unique index (which
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187 // simply counts starting from 1). We thus have to map profiler-names to
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188 // those indices. For all other stuff, we identify functions by their
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189 // index.
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190
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191 typedef std::vector<std::string> function_set;
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192 typedef std::map<std::string, octave_idx_type> fcn_index_map;
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193
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194 function_set m_known_functions;
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195 fcn_index_map m_fcn_index;
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196
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197 bool m_enabled;
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198
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199 tree_node *m_call_tree;
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200 tree_node *m_active_fcn;
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201
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202 // Store last timestamp we had, when the currently active function was
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203 // called.
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204 double m_last_time;
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205
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206 // These are private as only the unwind-protecting inner class enter
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207 // should be allowed to call them.
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208 void enter_function (const std::string&);
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209 void exit_function (const std::string&);
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210
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211 // Query a timestamp, used for timing calls (obviously).
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212 // This is not static because in the future, maybe we want a flag
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213 // in the profiler or something to choose between cputime, wall-time,
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214 // user-time, system-time, ...
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215 double query_time (void) const;
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216
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217 // Add the time elapsed since last_time to the function we're currently in.
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218 // This is called from two different positions, thus it is useful to have
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2310164737b3 fix many spelling errors (bug #57613)
John W. Eaton <jwe@octave.org>
parents: 26376
diff changeset
219 // it as a separate function.
23753
c3828bd031cd move profiler inside evaluator and inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23751
diff changeset
220 void add_current_time (void);
c3828bd031cd move profiler inside evaluator and inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23751
diff changeset
221 };
29960
939bef0b66e0 merge "namespace octave" and OCTAVE_NAMESPACE_BEGIN/END blocks
John W. Eaton <jwe@octave.org>
parents: 29572
diff changeset
222
31605
e88a07dec498 maint: Use macros to begin/end C++ namespaces.
Rik <rik@octave.org>
parents: 30565
diff changeset
223 OCTAVE_END_NAMESPACE(octave)
12783
ad9263d965dc First experimental profiler implementation with flat profile.
Daniel Kraft <d@domob.eu>
parents:
diff changeset
224
ad9263d965dc First experimental profiler implementation with flat profile.
Daniel Kraft <d@domob.eu>
parents:
diff changeset
225 #endif