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The testcase uses "instructions" event to verify two bits(PMAE and PMAO) in Monitor Mode Control Register 0 (MMCR0). At the time of interrupt, pmae bit ( which enables performance monitor exception ) is expected to be cleared and pmao (which indicates performance monitor alert) bit is expected to be set in MMCR0. And testcases handles these checks. Signed-off-by: Athira Rajeev <atrajeev@linux.vnet.ibm.com> [mpe: Add error checking, drop GET_MMCR_FIELD, add to .gitignore] Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20220127072012.662451-10-kjain@linux.ibm.com |
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| .. | ||
| accounting | ||
| arch | ||
| bootconfig | ||
| bpf | ||
| build | ||
| cgroup | ||
| counter | ||
| debugging | ||
| edid | ||
| firewire | ||
| firmware | ||
| gpio | ||
| hv | ||
| iio | ||
| include | ||
| io_uring | ||
| kvm/kvm_stat | ||
| laptop | ||
| leds | ||
| lib | ||
| memory-model | ||
| objtool | ||
| pci | ||
| pcmcia | ||
| perf | ||
| power | ||
| rcu | ||
| scripts | ||
| spi | ||
| testing | ||
| thermal/tmon | ||
| time | ||
| tracing | ||
| usb | ||
| virtio | ||
| vm | ||
| wmi | ||
| Makefile | ||