Re: error to run systemtap in an ARM platform

[William Cohen <wcohen at redhat dot com>]

On 07/18/2011 04:09 PM, William Cohen wrote:
> 
> I tried compiling disktop.stp on my machine and got:
> 
> export KERNEL_SRC=/home/wcohen/stuff/efikamx/kernel/linux-kernel
> stap -a arm -B CROSS_COMPILE=armv7hl-redhat-linux-gnueabi-   -r $KERNEL_SRC -m disktop disktop.stp 
> 
> 
> WARNING: kernel release/architecture mismatch with host forces last-pass 4.
> In file included from /tmp/stapt1iKiI/disktop.c:4908:0:
> /tmp/stapt1iKiI/stap-symbols.h:89496:1: error: large integer implicitly truncated to unsigned type [-Werror=overflow]
> cc1: all warnings being treated as errors.

Ah, this was and older systemap-1.4 problem. Systemtap from git repository worked fine. Got output like the following on the arm target machine when doing a native build of the kernel:


Mon Jul 18 20:17:15 2011 , Average:1041Kb/sec, Read:    4361Kb, Write:    848Kb

     UID      PID     PPID                       CMD   DEVICE    T        BYTES
     500    15034    15033                       cc1 mmcblk0p2    R      1905597
     500    15041    15040                       cc1 mmcblk0p2    R      1859083
     500    15035    15033                        as mmcblk0p2    R       685410
     500    15034    15033                       cc1 mmcblk0p2    W       667330
     500    15035    15033                        as mmcblk0p2    W       169827
     500    15036    15032                    fixdep mmcblk0p2    W        31390
     500    15038    15032                        mv mmcblk0p2    R         4320
     500    15040    15039                       gcc mmcblk0p2    R         3760
     500    15039    15021                        sh mmcblk0p2    R         2272
     500    15037    15032                        rm mmcblk0p2    R         1248

-Will