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Cc: ashelat@redhat.com, Michael Petlan From: Thomas Richter Organization: IBM In-Reply-To: X-Forwarded-Message-Id: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: 8voU_QiBbIoInHgK0HCPE-H-5hTyAo6y X-Proofpoint-ORIG-GUID: 8voU_QiBbIoInHgK0HCPE-H-5hTyAo6y X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1057,Hydra:6.0.680,FMLib:17.12.68.34 definitions=2025-02-19_04,2025-02-18_01,2024-11-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 malwarescore=0 adultscore=0 bulkscore=0 mlxscore=0 clxscore=1015 spamscore=0 suspectscore=0 phishscore=0 mlxlogscore=999 priorityscore=1501 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2502100000 definitions=main-2502190080 Hi all, just a friendly ping as reminder that this issue still exist... Thanks for your help. -------- Forwarded Message -------- Subject: Re: perf script: perf script hangs forever in linux-next Date: Fri, 14 Feb 2025 11:21:56 +0100 From: Thomas Richter Organization: IBM To: Namhyung Kim CC: linux-perf-use. , ashelat@redhat.com, Michael Petlan On 2/14/25 03:13, Namhyung Kim wrote: > perf script flamegraph -a -F 99 sleep 1 Thanks Namhyung, i have tested your patch and both invocations of the perf script command work again as can be seen here: # perf script flamegraph -a -- sleep 1 dumping data to flamegraph.html # perf record -- dd if=/dev/zero of=/dev/null bs=1M count=10K > /dev/null 10240+0 records in 10240+0 records out 10737418240 bytes (11 GB, 10 GiB) copied, 0.294051 s, 36.5 GB/s [ perf record: Woken up 1 times to write data ] [ perf record: Captured and wrote 0.060 MB perf.data (1177 samples) ] # perf script report flamegraph dumping data to flamegraph.html # Tested-by: Thomas Richter -- Thomas Richter, Dept 3303, IBM s390 Linux Development, Boeblingen, Germany -- IBM Deutschland Research & Development GmbH Vorsitzender des Aufsichtsrats: Wolfgang Wendt Geschäftsführung: David Faller Sitz der Gesellschaft: Böblingen / Registergericht: Amtsgericht Stuttgart, HRB 243294 -- Thomas Richter, Dept 3303, IBM s390 Linux Development, Boeblingen, Germany -- IBM Deutschland Research & Development GmbH Vorsitzender des Aufsichtsrats: Wolfgang Wendt Geschäftsführung: David Faller Sitz der Gesellschaft: Böblingen / Registergericht: Amtsgericht Stuttgart, HRB 243294