Re: No sample file found

[Maynard J. <may...@us...>]

Job...@ao... wrote:
> Now, in addition to this error, 
> 
> 
> 
> Eclipse  # ./opreport -c 
> Overflow  stats not available 
> ./opreport  error: Invalid sample file, bad magic number:  
> /var/lib/oprofile/samples/current/{root}/usr/bin/freescale_test/{dep}/{root}/usr/bin/freescal
> e_test/TIMER.0.0.all.all.all 

Make sure you clear out the old samples dir and re-run the profiler before 
trying to generate a report.  To clear the samples dir, either do 'opcontrol 
--reset' or simply 'rm -rf /var/lib/oprofile/samples/current.

-Maynard

> 
> In /var/lib/oprofile/samples/oprofiled.log, I am seeing the  following 
> repeated.  What could cause this? 
> Opening  
> "/var/lib/oprofile/samples//current/{root}//root/freescale_test/{dep}/{root}//root/freescale_test/TIMER.0.0.all.all.all" 
> oprofiled: open of  
> /var/lib/oprofile/samples//current/{root}//root/freescale_test/{dep}/{root}//root/freescale_test/TIMER.0.0.all.all.all  failed: 
> Invalid argument 
> Sample 0x44c(0): /root/freescale_test(c7846700), app  
> invalid(ffffffffffffffff) 
> Opening  
> "/var/lib/oprofile/samples//current/{root}//root/freescale_test/{dep}/{root}//root/freescale_test/TIMER.0.0.all.all.all" 
> oprofiled: open of  
> /var/lib/oprofile/samples//current/{root}//root/freescale_test/{dep}/{root}//root/freescale_test/TIMER.0.0.all.all.all  failed: 
> Invalid argument 
> Sample 0x460(0): /root/freescale_test(c7846700), app  
> invalid(ffffffffffffffff) 
> Opening  
> "/var/lib/oprofile/samples//current/{root}//root/freescale_test/{dep}/{root}//root/freescale_test/TIMER.0.0.all.all.all" 
> oprofiled: open of  
> /var/lib/oprofile/samples//current/{root}//root/freescale_test/{dep}/{root}//root/freescale_test/TIMER.0.0.all.all.all  failed: 
> Invalid argument 
> Sample 0x44c(0): /root/freescale_test(c7846700), app  
> invalid(ffffffffffffffff) 
> Opening  
> "/var/lib/oprofile/samples//current/{root}//root/freescale_test/{dep}/{root}//root/freescale_test/TIMER.0.0.all.all.all" 
> oprofiled: open of  
> /var/lib/oprofile/samples//current/{root}//root/freescale_test/{dep}/{root}//root/freescale_test/TIMER.0.0.all.all.all  failed: 
> Invalid argument 
> Sample 0x440(0): /root/freescale_test(c7846700), app  
> invalid(ffffffffffffffff)
> 
> 
> 
> 
> In a message dated 11/2/2009 4:53:10 A.M. Pacific Standard Time,  
> rob...@am... writes:
> 
> On  31.10.09 14:02:23, job...@ao... wrote:
>> CPUTYPE  timer
> 
> There is a bug in oprofile 0.9.5 wrt timer mode. You may want to  apply
> the changes below to your opcontrol script. There will be a bug  fix
> release 0.9.6 available soon.
> 
> -Robert
> 
> commit  18352baa22cad98660dee481d05bf0e7d42d803c
> Author: maynardj  <maynardj>
> Date:   Mon Sep 14 20:18:38 2009  +0000
> 
> Fix timer mode regression
> 
> diff --git  a/ChangeLog b/ChangeLog
> index 9162deb..2538e7d 100644
> ---  a/ChangeLog
> +++ b/ChangeLog
> @@ -1,3 +1,7 @@
> +2009-09-14  Suravee  Suthikulpanit <sur...@am...>
> +
> +     * utils/opcontrol: Fix timer mode
> +
> 2009-09-08  Robert  Richter <rob...@am...>
> 
> *  utils/opcontrol: fix deinit; kill daemon only if running to prevent
> diff  --git a/utils/opcontrol b/utils/opcontrol
> index 0317ecd..c438eca  100644
> --- a/utils/opcontrol
> +++ b/utils/opcontrol
> @@ -587,7 +587,7  @@ verify_counters()
> # setup any needed default value in chosen  events
> normalise_events()
> {
> -       if test  "$NR_CHOSEN" -le 0; then
> +       if test "$NR_CHOSEN"  -le 0 || test "$IS_TIMER" = 1; then
> return
> fi
> 
> @@  -1453,8 +1453,12 @@ do_start_daemon()
> --separate-thread=$SEPARATE_THREAD \
> --separate-cpu=$SEPARATE_CPU"
> 
> -       if ! test -z  "$OPROFILED_EVENTS"; then
> -             OPD_ARGS="$OPD_ARGS --events=$OPROFILED_EVENTS"
> +     if test "$IS_TIMER" = 1; then
> +         OPD_ARGS="$OPD_ARGS --events="
> +     else
> +                if ! test -z "$OPROFILED_EVENTS"; then
> +           OPD_ARGS="$OPD_ARGS  --events=$OPROFILED_EVENTS"
> +             fi
> fi
> 
> if test "$VMLINUX" = "none"; then
> 
> 
> 
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