linux-kernel - Re: [PATCH v3] perf test: S390 does not support watchpoints in test 22

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Message-Id: <f1ee3dc0-6b96-c7e5-f449-caabd3bf7f8a@linux.ibm.com>
Date:   Fri, 28 Sep 2018 16:43:06 +0530
From:   Ravi Bangoria <ravi.bangoria@...ux.ibm.com>
To:     Thomas Richter <tmricht@...ux.ibm.com>, acme@...nel.org
Cc:     linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org,
        brueckner@...ux.vnet.ibm.com, schwidefsky@...ibm.com,
        heiko.carstens@...ibm.com,
        Ravi Bangoria <ravi.bangoria@...ux.ibm.com>
Subject: Re: [PATCH v3] perf test: S390 does not support watchpoints in test
 22



On 09/28/2018 04:23 PM, Thomas Richter wrote:
> S390 does not support the perf_event_open system call for
> attribute type PERF_TYPE_BREAKPOINT. This results in test
> failure for test 22:
> 
> [root@...60046 perf]# ./perf test 22
> 22: Watchpoint                                :
> 22.1: Read Only Watchpoint                    : FAILED!
> 22.2: Write Only Watchpoint                   : FAILED!
> 22.3: Read / Write Watchpoint                 : FAILED!
> 22.4: Modify Watchpoint                       : FAILED!
> [root@...60046 perf]#
> 
> Add s390 support to avoid these tests being executed on
> s390 platform:
> 
> [root@...60046 perf]# ./perf test 22
> [root@...60046 perf]# ./perf test -v 22
> 22: Watchpoint                                : Disabled
> [root@...60046 perf]#
> 
> Signed-off-by: Thomas Richter <tmricht@...ux.ibm.com>

Acked-by: Ravi Bangoria <ravi.bangoria@...ux.ibm.com>

Thanks,
Ravi