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| author | Anju T Sudhakar <anju@linux.vnet.ibm.com> | 2017-07-19 03:06:34 +0530 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2017-07-25 22:55:45 +1000 |
| commit | 885dcd709ba9120b9935415b8b0f9d1b94e5826b (patch) | |
| tree | 627fa60844403620c01545be2dee1fbdb955fdf8 /include/linux/cpuhotplug.h | |
| parent | 8f95faaac56c18b32d0e23ace55417a440abdb7e (diff) | |
| download | linux-0-day-885dcd709ba9120b9935415b8b0f9d1b94e5826b.tar.gz linux-0-day-885dcd709ba9120b9935415b8b0f9d1b94e5826b.tar.xz | |
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.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/cpuhotplug.h b/include/linux/cpuhotplug.h index b56573bf440db..0853a14b1fa1f 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, |