summaryrefslogtreecommitdiffstats
path: root/include/linux/cpuhotplug.h
diff options
context:
space:
mode:
authorAnju T Sudhakar <anju@linux.vnet.ibm.com>2017-07-19 03:06:34 +0530
committerMichael Ellerman <mpe@ellerman.id.au>2017-07-25 22:55:45 +1000
commit885dcd709ba9120b9935415b8b0f9d1b94e5826b (patch)
tree627fa60844403620c01545be2dee1fbdb955fdf8 /include/linux/cpuhotplug.h
parent8f95faaac56c18b32d0e23ace55417a440abdb7e (diff)
downloadlinux-885dcd709ba9120b9935415b8b0f9d1b94e5826b.tar.gz
linux-885dcd709ba9120b9935415b8b0f9d1b94e5826b.tar.bz2
linux-885dcd709ba9120b9935415b8b0f9d1b94e5826b.zip
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 <anju@linux.vnet.ibm.com> Signed-off-by: Hemant Kumar <hemant@linux.vnet.ibm.com> Signed-off-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'include/linux/cpuhotplug.h')
-rw-r--r--include/linux/cpuhotplug.h1
1 files changed, 1 insertions, 0 deletions
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,