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path: root/tools/perf/scripts/python/bin/stackcollapse-report

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#!/bin/sh
# description: produce callgraphs in short form for scripting use
perf script -s "$PERF_EXEC_PATH"/scripts/python/stackcollapse.py -- "$@"

c { color: #888 } /* Comment */ .highlight .err { color: #A61717; background-color: #E3D2D2 } /* Error */ .highlight .k { color: #080; font-weight: bold } /* Keyword */ .highlight .ch { color: #888 } /* Comment.Hashbang */ .highlight .cm { color: #888 } /* Comment.Multiline */ .highlight .cp { color: #C00; font-weight: bold } /* Comment.Preproc */ .highlight .cpf { color: #888 } /* Comment.PreprocFile */ .highlight .c1 { color: #888 } /* Comment.Single */ .highlight .cs { color: #C00; font-weight: bold; background-color: #FFF0F0 } /* Comment.Special */ .highlight .gd { color: #000; background-color: #FDD } /* Generic.Deleted */ .highlight .ge { font-style: italic } /* Generic.Emph */ .highlight .ges { font-weight: bold; font-style: italic } /* Generic.EmphStrong */ .highlight .gr { color: #A00 } /* Generic.Error */ .highlight .gh { color: #333 } /* Generic.Heading */ .highlight .gi { color: #000; background-color: #DFD } /* Generic.Inserted */ .highlight .go { color: #888 } /* Generic.Output */ .highlight .gp { color: #555 } /* Generic.Prompt */ .highlight .gs { font-weight: bold } /* Generic.Strong */ .highlight .gu { color: #666 } /* Generic.Subheading */ .highlight .gt { color: #A00 } /* Generic.Traceback */ .highlight .kc { color: #080; font-weight: bold } /* Keyword.Constant */ .highlight .kd { color: #080; font-weight: bold } /* Keyword.Declaration */ .highlight .kn { color: #080; font-weight: bold } /* Keyword.Namespace */ .highlight .kp { color: #080 } /* Keyword.Pseudo */ .highlight .kr { color: #080; font-weight: bold } /* Keyword.Reserved */ .highlight .kt { color: #888; font-weight: bold } /* Keyword.Type */ .highlight .m { color: #00D; font-weight: bold } /* Literal.Number */ .highlight .s { color: #D20; background-color: #FFF0F0 } /* Literal.String */ .highlight .na { color: #369 } /* Name.Attribute */ .highlight .nb { color: #038 } /* Name.Builtin */ .highlight .nc { color: #B06; font-weight: bold } /* Name.Class */ .highlight .no { color: #036; font-weight: bold } /* Name.Constant */ .highlight .nd { color: #555 } /* Name.Decorator */ .highlight .ne { color: #B06; font-weight: bold } /* Name.Exception */ .highlight .nf { color: #06B; font-weight: bold } /* Name.Function */ .highlight .nl { color: #369; font-style: italic } /* Name.Label */ .highlight .nn { color: #B06; font-weight: bold } /* Name.Namespace */ .highlight .py { color: #369; font-weight: bold } /* Name.Property */ .highlight .nt { color: #B06; font-weight: bold } /* Name.Tag */ .highlight .nv { color: #369 } /* Name.Variable */ .highlight .ow { color: #080 } /* Operator.Word */ .highlight .w { color: #BBB } /* Text.Whitespace */ .highlight .mb { color: #00D; font-weight: bold } /* Literal.Number.Bin */ .highlight .mf { color: #00D; font-weight: bold } /* Literal.Number.Float */ .highlight .mh { color: #00D; font-weight: bold } /* Literal.Number.Hex */ .highlight .mi { color: #00D; font-weight: bold } /* Literal.Number.Integer */ .highlight .mo { color: #00D; font-weight: bold } /* Literal.Number.Oct */ .highlight .sa { color: #D20; background-color: #FFF0F0 } /* Literal.String.Affix */ .highlight .sb { color: #D20; background-color: #FFF0F0 } /* Literal.String.Backtick */ .highlight .sc { color: #D20; background-color: #FFF0F0 } /* Literal.String.Char */ .highlight .dl { color: #D20; background-color: #FFF0F0 } /* Literal.String.Delimiter */ .highlight .sd { color: #D20; background-color: #FFF0F0 } /* Literal.String.Doc */ .highlight .s2 { color: #D20; background-color: #FFF0F0 } /* Literal.String.Double */ .highlight .se { color: #04D; background-color: #FFF0F0 } /* Literal.String.Escape */ .highlight .sh { color: #D20; background-color: #FFF0F0 } /* Literal.String.Heredoc */ .highlight .si { color: #33B; background-color: #FFF0F0 } /* Literal.String.Interpol */ .highlight .sx { color: #2B2; background-color: #F0FFF0 } /* Literal.String.Other */ .highlight .sr { color: #080; background-color: #FFF0FF } /* Literal.String.Regex */ .highlight .s1 { color: #D20; background-color: #FFF0F0 } /* Literal.String.Single */ .highlight .ss { color: #A60; background-color: #FFF0F0 } /* Literal.String.Symbol */ .highlight .bp { color: #038 } /* Name.Builtin.Pseudo */ .highlight .fm { color: #06B; font-weight: bold } /* Name.Function.Magic */ .highlight .vc { color: #369 } /* Name.Variable.Class */ .highlight .vg { color: #D70 } /* Name.Variable.Global */ .highlight .vi { color: #33B } /* Name.Variable.Instance */ .highlight .vm { color: #369 } /* Name.Variable.Magic */ .highlight .il { color: #00D; font-weight: bold } /* Literal.Number.Integer.Long */ }

/* Copyright (C) 2009-2016 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <http://www.gnu.org/licenses/>.  */

#include <errno.h>
#include <limits.h>
#include <printf.h>
#include <stdlib.h>
#include <wchar.h>
#include <libc-lock.h>


struct printf_modifier_record
{
  struct printf_modifier_record *next;
  int bit;
  wchar_t str[0];
};

struct printf_modifier_record **__printf_modifier_table attribute_hidden;

__libc_lock_define_initialized (static, lock)

/* Bits to hand out.  */
static int next_bit;


int
__register_printf_modifier (const wchar_t *str)
{
  if (str[0] == L'\0')
    {
    einval:
      __set_errno (EINVAL);
      return -1;
    }

  const wchar_t *wc = str;
  while (*wc != L'\0')
    if (*wc < 0 || *wc > (wchar_t) UCHAR_MAX)
      goto einval;
    else
      ++wc;

  if (next_bit / 8 == sizeof (((struct printf_info *) NULL)->user))
    {
      __set_errno (ENOSPC);
      return -1;
    }

  int result = -1;
  __libc_lock_lock (lock);

  if (__printf_modifier_table == NULL)
    {
      __printf_modifier_table = calloc (UCHAR_MAX,
					sizeof (*__printf_modifier_table));
      if (__printf_modifier_table == NULL)
	goto out;
    }

  /* Create enough room for the string.  But we don't need the first
     character. */
  struct printf_modifier_record *newp = malloc (sizeof (*newp)
						+ ((wc - str)
						   * sizeof (wchar_t)));
  if (newp == NULL)
    goto out;

  newp->next = __printf_modifier_table[(unsigned char) *str];
  newp->bit = 1 << next_bit++;
  __wmemcpy (newp->str, str + 1, wc - str);

  __printf_modifier_table[(unsigned char) *str] = newp;

  result = newp->bit;

 out:
  __libc_lock_unlock (lock);

  return result;
}
weak_alias (__register_printf_modifier, register_printf_modifier)


#include <stdio.h>
int
attribute_hidden
__handle_registered_modifier_mb (const unsigned char **format,
				 struct printf_info *info)
{
  struct printf_modifier_record *runp = __printf_modifier_table[**format];

  int best_bit = 0;
  int best_len = 0;
  const unsigned char *best_cp = NULL;

  while (runp != NULL)
    {
      const unsigned char *cp = *format + 1;
      wchar_t *fcp = runp->str;

      while (*cp != '\0' && *fcp != L'\0')
	if (*cp != *fcp)
	  break;
	else
	  ++cp, ++fcp;

      if (*fcp == L'\0' && cp - *format > best_len)
	{
	  best_cp = cp;
	  best_len = cp - *format;
	  best_bit = runp->bit;
	}

      runp = runp->next;
    }

  if (best_bit != 0)
    {
      info->user |= best_bit;
      *format = best_cp;
      return 0;
    }

  return 1;
}


int
attribute_hidden
__handle_registered_modifier_wc (const unsigned int **format,
				 struct printf_info *info)
{
  struct printf_modifier_record *runp = __printf_modifier_table[**format];

  int best_bit = 0;
  int best_len = 0;
  const unsigned int *best_cp = NULL;

  while (runp != NULL)
    {
      const unsigned int *cp = *format + 1;
      wchar_t *fcp = runp->str;

      while (*cp != '\0' && *fcp != L'\0')
	if (*cp != *fcp)
	  break;
	else
	  ++cp, ++fcp;

      if (*fcp == L'\0' && cp - *format > best_len)
	{
	  best_cp = cp;
	  best_len = cp - *format;
	  best_bit = runp->bit;
	}

      runp = runp->next;
    }

  if (best_bit != 0)
    {
      info->user |= best_bit;
      *format = best_cp;
      return 0;
    }

  return 1;
}


libc_freeres_fn (free_mem)
{
  if (__printf_modifier_table != NULL)
    {
      for (int i = 0; i < UCHAR_MAX; ++i)
	{
	  struct printf_modifier_record *runp = __printf_modifier_table[i];
	  while (runp != NULL)
	    {
	      struct printf_modifier_record *oldp = runp;
	      runp = runp->next;
	      free (oldp);
	    }
	}
      free (__printf_modifier_table);
    }
}