[Bug 1678510] [NEW] gprof: get empty output

Sat Apr 1 18:27:54 UTC 2017

Public bug reported:

OS: Ubuntu 16.10 x64.
Version: GNU gprof (GNU Binutils for Ubuntu) 2.27

Steps:
gcc tst.c -g -pg -o tst
./tst # produced gmon.out file
gprof ./tst

*************************Output****************************
Flat profile:

Each sample counts as 0.01 seconds.
 no time accumulated

  %   cumulative   self              self     total           
 time   seconds   seconds    calls  Ts/call  Ts/call  name    

 %         the percentage of the total running time of the
time       program used by this function.

cumulative a running sum of the number of seconds accounted
 seconds   for by this function and those listed above it.

 self      the number of seconds accounted for by this
seconds    function alone.  This is the major sort for this
           listing.

calls      the number of times this function was invoked, if
           this function is profiled, else blank.

 self      the average number of milliseconds spent in this
ms/call    function per call, if this function is profiled,
	   else blank.

 total     the average number of milliseconds spent in this
ms/call    function and its descendents per call, if this
	   function is profiled, else blank.

name       the name of the function.  This is the minor sort
           for this listing. The index shows the location of
	   the function in the gprof listing. If the index is
	   in parenthesis it shows where it would appear in
	   the gprof listing if it were to be printed.

Copying and distribution of this file, with or without modification,
are permitted in any medium without royalty provided the copyright
notice and this notice are preserved.

** Affects: binutils (Ubuntu)
     Importance: Undecided
         Status: New

** Tags: gprof

** Summary changed:

- gprof: get empty list
+ gprof: get empty output

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https://bugs.launchpad.net/bugs/1678510

Title:
  gprof: get empty output

Status in binutils package in Ubuntu:
  New

Bug description:
  OS: Ubuntu 16.10 x64.
  Version: GNU gprof (GNU Binutils for Ubuntu) 2.27

  Steps:
  gcc tst.c -g -pg -o tst
  ./tst # produced gmon.out file
  gprof ./tst

  *************************Output****************************
  Flat profile:

  Each sample counts as 0.01 seconds.
   no time accumulated

    %   cumulative   self              self     total           
   time   seconds   seconds    calls  Ts/call  Ts/call  name    

   %         the percentage of the total running time of the
  time       program used by this function.

  cumulative a running sum of the number of seconds accounted
   seconds   for by this function and those listed above it.

   self      the number of seconds accounted for by this
  seconds    function alone.  This is the major sort for this
             listing.

  calls      the number of times this function was invoked, if
             this function is profiled, else blank.

   self      the average number of milliseconds spent in this
  ms/call    function per call, if this function is profiled,
  	   else blank.

   total     the average number of milliseconds spent in this
  ms/call    function and its descendents per call, if this
  	   function is profiled, else blank.

  name       the name of the function.  This is the minor sort
             for this listing. The index shows the location of
  	   the function in the gprof listing. If the index is
  	   in parenthesis it shows where it would appear in
  	   the gprof listing if it were to be printed.

  Copying and distribution of this file, with or without modification,
  are permitted in any medium without royalty provided the copyright
  notice and this notice are preserved.

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