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charset="us-ascii" Content-ID: Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-Network-Message-Id: 4cf8b8b2-a132-4667-b498-08d68316e094 X-MS-Exchange-CrossTenant-originalarrivaltime: 25 Jan 2019 22:45:59.8443 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 8ae927fe-1255-47a7-a2af-5f3a069daaa2 X-MS-Exchange-Transport-CrossTenantHeadersStamped: MWHPR15MB1903 X-OriginatorOrg: fb.com X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-01-25_14:,, signatures=0 X-Proofpoint-Spam-Reason: safe X-FB-Internal: Safe Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > On Jan 25, 2019, at 2:42 PM, Liang, Kan wrote= : >=20 >=20 >=20 > On 1/25/2019 5:24 PM, Song Liu wrote: >> I also noticed that uncore_pci_probe() returns at >> if (atomic_inc_return(&pmu->activeboxes) > 1) >> return 0; >> for bus 1-7. So we only probed bus 0 (socket 0). Is this expected behavi= or? >=20 > We probed all, but only need to register PMU once. > It can be distinguished by cpumask. E.g. you may want to check "/sys/devi= ces/uncore_imc_0/cpumask". >=20 >=20 > Thanks, > Kan I see. That works: [root@rtptest10787.snc1 /sys/bus/event_source/devices/uncore_imc_0]# cat cp= umask 0,28,56,84,112,140,168,196 I think this solves all the problems.=20 Thanks again! Song=