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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 20 Jun 2024 13:02:32.2613 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 478386b2-bd6b-4728-bf9b-08dc91293f78 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=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: BL6PEPF0001AB4B.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN0PR12MB5931 Prep for per-core RAPL PMU addition. No functional change. Signed-off-by: Dhananjay Ugwekar --- arch/x86/events/rapl.c | 15 ++++++++++----- 1 file changed, 10 insertions(+), 5 deletions(-) diff --git a/arch/x86/events/rapl.c b/arch/x86/events/rapl.c index 70c7b35fb4d2..f815c60ec551 100644 --- a/arch/x86/events/rapl.c +++ b/arch/x86/events/rapl.c @@ -687,7 +687,7 @@ static void __init rapl_advertise(void) } } -static void cleanup_rapl_pmus(void) +static void cleanup_rapl_pmus(struct rapl_pmus *rapl_pmus) { int i; @@ -705,8 +705,10 @@ static const struct attribute_group *rapl_attr_update[] = { NULL, }; -static int __init init_rapl_pmus(void) +static int __init init_rapl_pmus(struct rapl_pmus **rapl_pmus_ptr) { + struct rapl_pmus *rapl_pmus; + int nr_rapl_pmu = topology_max_packages() * topology_max_dies_per_package(); if (rapl_pmu_is_pkg_scope()) @@ -728,6 +730,9 @@ static int __init init_rapl_pmus(void) rapl_pmus->pmu.read = rapl_pmu_event_read; rapl_pmus->pmu.module = THIS_MODULE; rapl_pmus->pmu.capabilities = PERF_PMU_CAP_NO_EXCLUDE; + + *rapl_pmus_ptr = rapl_pmus; + return 0; } @@ -869,7 +874,7 @@ static int __init rapl_pmu_init(void) if (ret) return ret; - ret = init_rapl_pmus(); + ret = init_rapl_pmus(&rapl_pmus); if (ret) return ret; @@ -893,7 +898,7 @@ static int __init rapl_pmu_init(void) cpuhp_remove_state(CPUHP_AP_PERF_X86_RAPL_ONLINE); out: pr_warn("Initialization failed (%d), disabled\n", ret); - cleanup_rapl_pmus(); + cleanup_rapl_pmus(rapl_pmus); return ret; } module_init(rapl_pmu_init); @@ -902,6 +907,6 @@ static void __exit intel_rapl_exit(void) { cpuhp_remove_state_nocalls(CPUHP_AP_PERF_X86_RAPL_ONLINE); perf_pmu_unregister(&rapl_pmus->pmu); - cleanup_rapl_pmus(); + cleanup_rapl_pmus(rapl_pmus); } module_exit(intel_rapl_exit);