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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 13 Nov 2025 16:03:05.2337 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 1b86b03d-559b-4381-9c2d-08de22ce2174 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[satlexmb07.amd.com] X-MS-Exchange-CrossTenant-AuthSource: SA2PEPF000015C8.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: IA1PR12MB6209 Content-Type: text/plain; charset="utf-8" Kernel maps are encoded in PERF_RECORD_MMAP2 samples but "perf lock report" and "perf lock contention" do not process MMAP2 samples. Because of that, machine->vmlinux_map stays NULL and any later access triggers a segmentation fault. Fix it by adding ->mmap2() callbacks. Fixes: 53b00ff358dc ("perf record: Make --buildid-mmap the default") Reported-by: Tycho Andersen (AMD) Signed-off-by: Ravi Bangoria Tested-by: Tycho Andersen (AMD) --- tools/perf/builtin-lock.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/tools/perf/builtin-lock.c b/tools/perf/builtin-lock.c index 078634461df2..e8962c985d34 100644 --- a/tools/perf/builtin-lock.c +++ b/tools/perf/builtin-lock.c @@ -1867,6 +1867,7 @@ static int __cmd_report(bool display_info) eops.sample =3D process_sample_event; eops.comm =3D perf_event__process_comm; eops.mmap =3D perf_event__process_mmap; + eops.mmap2 =3D perf_event__process_mmap2; eops.namespaces =3D perf_event__process_namespaces; eops.tracing_data =3D perf_event__process_tracing_data; session =3D perf_session__new(&data, &eops); @@ -2023,6 +2024,7 @@ static int __cmd_contention(int argc, const char **ar= gv) eops.sample =3D process_sample_event; eops.comm =3D perf_event__process_comm; eops.mmap =3D perf_event__process_mmap; + eops.mmap2 =3D perf_event__process_mmap2; eops.tracing_data =3D perf_event__process_tracing_data; =20 perf_env__init(&host_env); --=20 2.51.0