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Fri, 20 Feb 2026 07:54:12 +0000 Received: from smtpav03.fra02v.mail.ibm.com (smtpav03.fra02v.mail.ibm.com [10.20.54.102]) by smtprelay05.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 61K7sBAg43974914 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 20 Feb 2026 07:54:11 GMT Received: from smtpav03.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 0531D2004F; Fri, 20 Feb 2026 07:54:11 +0000 (GMT) Received: from smtpav03.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 7697D20040; Fri, 20 Feb 2026 07:54:09 +0000 (GMT) Received: from [9.43.64.63] (unknown [9.43.64.63]) by smtpav03.fra02v.mail.ibm.com (Postfix) with ESMTP; Fri, 20 Feb 2026 07:54:09 +0000 (GMT) Message-ID: <38e1160d-26ea-4432-9ca4-1c606dd187ac@linux.ibm.com> Date: Fri, 20 Feb 2026 13:24:08 +0530 X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , List-Unsubscribe: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [**EXTERNAL**] Re: [PPC][Tracing] Missing syscalls:* ftrace/perf events on PowerPC vs x86 To: "Nassiri, Mohammad" , "linuxppc-dev@lists.ozlabs.org" Cc: "linux-trace-users@vger.kernel.org" , "michael@ellerman.id.au" , "masami.hiramatsu@linaro.org" , Christophe Leroy , Nicholas Piggin , "rostedt@goodmis.org" References: Content-Language: en-US From: Hari Bathini In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 X-Proofpoint-Reinject: loops=2 maxloops=12 X-Authority-Analysis: v=2.4 cv=E+/AZKdl c=1 sm=1 tr=0 ts=69981326 cx=c_pps a=AfN7/Ok6k8XGzOShvHwTGQ==:117 a=AfN7/Ok6k8XGzOShvHwTGQ==:17 a=IkcTkHD0fZMA:10 a=HzLeVaNsDn8A:10 a=VkNPw1HP01LnGYTKEx00:22 a=Mpw57Om8IfrbqaoTuvik:22 a=GgsMoib0sEa3-_RKJdDe:22 a=LLT6BWlwgZta6rkdNHgA:9 a=QEXdDO2ut3YA:10 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMjIwMDA2NSBTYWx0ZWRfX6Le9XcDDB8Tp J+94kwDeNddJlL7HMdPkti/io7zUTECmmlkWC7AQ/vLSxEhrgoio6SH6lwJz7R9pcUj5qKCuUyj AJrkW640I+sdQBtMGBezMW5FRNItZQMLHUzvBYx3V7Y8xAhdLXNbb9rTZ8qWgRGInSw7/kVJiVw emsnH6X0NHowIYsS3fsMy1nRg0z+51cgFyUpxLpOZcuR8X4lPszlPOTZhJxv2+8yuSHb2KGLX56 ASWLeKuLPbejKeVMppoH7DE3w6awOjL0UwOweCef+FHdkj14EoLo8uVsIZOwc7hWJD+UHbHYYAW RrAx8lJb5TQVcP6ZdGgQh0LbcDgndkAA7tEtYp67/PbemPrB0d/p3XoN4UY7kQs857bE68/Y0Ri uuJVnPRjcXd+tnYEthyyyZi4Z72KIhwJdXomKpaORlszXIU9OJjtWSX6IBV1F4A4SEkzITWLXSb LN9M/xqkK2DU4+BgGlA== X-Proofpoint-ORIG-GUID: qzl4K7hNP99o3BV7NJJ0dQgqHGvZ9M3Q X-Proofpoint-GUID: xbpv6gywsATTZen3E-gHKUxudlViQETg X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-02-19_06,2026-02-20_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 priorityscore=1501 malwarescore=0 phishscore=0 bulkscore=0 suspectscore=0 spamscore=0 clxscore=1015 impostorscore=0 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000 definitions=main-2602200065 On 18/02/26 7:26 pm, Nassiri, Mohammad wrote: >> You should see syscall enter/exit tracepoints on v5.10.x without syscall >> wrapper patchset referred above. Are you using v5.10.250 ? >> Also, would help, if you can share the .config you used. > Hi Hari, Hi Mohammad, > > No, I'm not using the latest v5.10.250. I tested on two versions --- v5.10.174 and v5.10.239 --- and I still see the issue on both. > For your reference, here is a grep from my .config showing most of the tracing options I enabled while troubleshooting this issue. OK. Tried v5.10.250 as well as v5.10.174 with the similar config options. Could see syscall enter/exit tracepoints.. - Hari