32 lines
1.1 KiB
Plaintext
32 lines
1.1 KiB
Plaintext
What: /sys/bus/coresight/devices/ultra_smb<N>/enable_sink
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Date: January 2023
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KernelVersion: 6.3
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Contact: Junhao He <hejunhao3@huawei.com>
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Description: (RW) Add/remove a SMB device from a trace path. There can be
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multiple sources for a single SMB device.
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What: /sys/bus/coresight/devices/ultra_smb<N>/mgmt/buf_size
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Date: January 2023
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KernelVersion: 6.3
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Contact: Junhao He <hejunhao3@huawei.com>
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Description: (RO) Shows the buffer size of each UltraSoc SMB device.
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What: /sys/bus/coresight/devices/ultra_smb<N>/mgmt/buf_status
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Date: January 2023
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KernelVersion: 6.3
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Contact: Junhao He <hejunhao3@huawei.com>
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Description: (RO) Shows the value of UltraSoc SMB status register.
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BIT(0) is zero means buffer is empty.
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What: /sys/bus/coresight/devices/ultra_smb<N>/mgmt/read_pos
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Date: January 2023
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KernelVersion: 6.3
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Contact: Junhao He <hejunhao3@huawei.com>
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Description: (RO) Shows the value of UltraSoc SMB Read Pointer register.
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What: /sys/bus/coresight/devices/ultra_smb<N>/mgmt/write_pos
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Date: January 2023
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KernelVersion: 6.3
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Contact: Junhao He <hejunhao3@huawei.com>
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Description: (RO) Shows the value of UltraSoc SMB Write Pointer register.
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