From 885dcd709ba9120b9935415b8b0f9d1b94e5826b Mon Sep 17 00:00:00 2001 From: Anju T Sudhakar Date: Wed, 19 Jul 2017 03:06:34 +0530 Subject: powerpc/perf: Add nest IMC PMU support Add support to register Nest In-Memory Collection PMU counters. Patch adds a new device file called "imc-pmu.c" under powerpc/perf folder to contain all the device PMU functions. Device tree parser code added to parse the PMU events information and create sysfs event attributes for the PMU. Cpumask attribute added along with Cpu hotplug online/offline functions specific for nest PMU. A new state "CPUHP_AP_PERF_POWERPC_NEST_IMC_ONLINE" added for the cpu hotplug callbacks. Error handle path frees the memory and unregisters the CPU hotplug callbacks. Signed-off-by: Anju T Sudhakar Signed-off-by: Hemant Kumar Signed-off-by: Madhavan Srinivasan Signed-off-by: Michael Ellerman --- include/linux/cpuhotplug.h | 1 + 1 file changed, 1 insertion(+) (limited to 'include/linux/cpuhotplug.h') diff --git a/include/linux/cpuhotplug.h b/include/linux/cpuhotplug.h index b56573bf440d..0853a14b1fa1 100644 --- a/include/linux/cpuhotplug.h +++ b/include/linux/cpuhotplug.h @@ -139,6 +139,7 @@ enum cpuhp_state { CPUHP_AP_PERF_ARM_L2X0_ONLINE, CPUHP_AP_PERF_ARM_QCOM_L2_ONLINE, CPUHP_AP_PERF_ARM_QCOM_L3_ONLINE, + CPUHP_AP_PERF_POWERPC_NEST_IMC_ONLINE, CPUHP_AP_WORKQUEUE_ONLINE, CPUHP_AP_RCUTREE_ONLINE, CPUHP_AP_ONLINE_DYN, -- cgit v1.2.3-58-ga151