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X-MS-Exchange-CrossTenant-Id: 4e2c6054-71cb-48f1-bd6c-3a9705aca71b X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: oREkHyJQ1JEEPmIV+95uUjhaNPRw6InQVG5XfVsd/mVOhmipkN5EU53xUmPLZAnQdFFow3HwERJn99mS/4gljw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS0PR10MB6271 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1095,Hydra:6.0.680,FMLib:17.12.68.34 definitions=2025-03-28_11,2025-03-27_02,2024-11-22_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 bulkscore=0 spamscore=0 adultscore=0 mlxlogscore=999 mlxscore=0 phishscore=0 suspectscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2502280000 definitions=main-2503280156 X-Proofpoint-GUID: iV2b45bgFOhD_pzbSudXYPp9iwH_z7fD X-Proofpoint-ORIG-GUID: iV2b45bgFOhD_pzbSudXYPp9iwH_z7fD On 3/28/25 15:28, Libo Chen wrote: > > > On 3/27/25 07:03, Steven Rostedt wrote: >> On Wed, 26 Mar 2025 21:32:32 -0700 >> Libo Chen wrote: >> >>> On 3/26/25 19:06, Steven Rostedt wrote: >>>> On Wed, 26 Mar 2025 17:40:02 -0700 >>>> Libo Chen wrote: >>>> >>>>>> + TP_printk("comm=%s pid=%d tgid=%d ngid=%d mem_node_allowed_mask=%lx", >>>>> >>>>> >>>>> I cannot find a way to print out nodemask_t nicely here with %*pbl. >>>>> So I fall back to just raw hex value. Will be grateful if someone >>>>> knows a better way to print nodemask nicely in a tracepoint >>>> >>>> Ug. >>>> >>>> I guess I need to add support for that. Both in the boot verifier as well >>>> as in libtraceevent. >>>> >>> >>> That will be fantastic, I think this is quite useful. >> > > Oops just saw this right now, not sure how I missed it. > >> I'm curious to what was broken. Just the user space side? Or was the kernel >> side broken too? >> > > That's a good point, I originally only tried %*pbl with trace-cmd, but I > tested your patch without trace-cmd. So yeah %*pbl may already be working in > the kernel, I will report back later today. > > -- Libo > Okay yes, it does prints out to trace log. Not seeing the output is due to the userspace tool not the lack of check. -- Libo >> I notice that i2c_write has "[%*phD]" which means it worked, and also >> skipped out on the verification tests. This should be fixed. >> >> But trace-cmd and perf will not be able to print that out either. >> >> Now %*pbl works in the kernel (not checked), but probably doesn't work for >> trace-cmd. >> >> -- Steve >