Results for arm uprobes-v3 posted

[William Cohen <wcohen at redhat dot com>]

On 11/26/2013 04:06 PM, William Cohen wrote:
> On 11/26/2013 12:25 AM, David Long wrote:
>  
>> Hi,
>>
>> I just now pushed V3 of the uprobes changes to my repo on the linaro website:
>>
>> git://git.linaro.org/people/davelong/linux.git
>>
>> It's the uprobes-v3 branch.  It's now based on V3.13-RC1.  You need at least that recent a kernel as Oleg has pushed some uprobes changes of his and mine that these patches depend on.
>>
>> Thanks,
>> -dl
>>
> 
> Hi Dave,
> 
> Thanks for the revised version of the patches.
> 
> I built a version of uprobes-v3 kernel on the Samsung ARM cromebook.  It booted successfully and is running the systemtap "make installcheck".
> 
> -Will
> 

Hi Dave and Naresh,

I was able to run systemtap tests last night.  These results are posted in dejazilla:

https://web.elastic.org/~dejazilla/viewsummary.php?summary=%3D%27%3C5296108F.2020903%40redhat.com%3E%27

The at_var_cu.exp test looks like it might need some closer examination it got a Segmentation fault. The process_by_cmd.stp, process_by_cmd2.stp,32_BIT_UTRACE_SYSCALL_ARGS startup, and global_var-m32 tests also seemed to fail in similar way.  Below is the output from the systemtap.log for at_var_cu.exp test:

Running ./systemtap.base/at_var.exp ...
Executing on host: gcc ./systemtap.base/at_var.c  -O2 -g  -lm   -o at_var    (timeout = 300)
spawn -ignore SIGHUP gcc ./systemtap.base/at_var.c -O2 -g -lm -o at_var

executing: stap ./systemtap.base/at_var.stp -c ./at_var
FAIL: at_var
line 11: expected "user_int(&$foo->bar): 40"
Got "WARNING: Child process exited with signal 11 (Segmentation fault)"
    "WARNING: /run/media/wcohen/wasteland/wcohen/systemtap_write/install/bin/staprun exited with status: 1"
    "Pass 5: run failed.  [man error::pass5]"
testcase ./systemtap.base/at_var.exp completed in 15 seconds
Running ./systemtap.base/at_var_cu.exp ...
Executing on host: gcc ./systemtap.base/at_var_cu_1.c ./systemtap.base/at_var_cu_2.c ./systemtap.base/at_var_cu_3.c  -O2 -g  -lm   -o /run/media/wcohen/wasteland/wcohen/systemtap_write/systemtap/testsuite/at_var_cu    (timeout = 300)
spawn -ignore SIGHUP gcc ./systemtap.base/at_var_cu_1.c ./systemtap.base/at_var_cu_2.c ./systemtap.base/at_var_cu_3.c -O2 -g -lm -o /run/media/wcohen/wasteland/wcohen/systemtap_write/systemtap/testsuite/at_var_cu

executing: stap ./systemtap.base/at_var_cu.stp -c ./at_var_cu /run/media/wcohen/wasteland/wcohen/systemtap_write/systemtap/testsuite/at_var_cu
FAIL: at_var_cu
line 13: expected "bah: @var("counter", @1): 8"
Got "bah: @var("counter", @1): 3"
    "bah: @var("counter@at_var_cu_2.c", @1): 3"
    "bah: @var("counter@at_var_cu_3.c", @1): 0"
    "bah: @var("counter@at_var_cu*.c", @1): 3"
    "bah': @var("counter@at_var_cu*.c"): 3"
    "bah': @var("main_global"): 5"
testcase ./systemtap.base/at_var_cu.exp completed in 12 seconds


-Will