32 lines · plain
1What: /sys/bus/coresight/devices/ultra_smb<N>/enable_sink2Date: January 20233KernelVersion: 6.34Contact: Junhao He <hejunhao3@huawei.com>5Description: (RW) Add/remove a SMB device from a trace path. There can be6 multiple sources for a single SMB device.7 8What: /sys/bus/coresight/devices/ultra_smb<N>/mgmt/buf_size9Date: January 202310KernelVersion: 6.311Contact: Junhao He <hejunhao3@huawei.com>12Description: (RO) Shows the buffer size of each UltraSoc SMB device.13 14What: /sys/bus/coresight/devices/ultra_smb<N>/mgmt/buf_status15Date: January 202316KernelVersion: 6.317Contact: Junhao He <hejunhao3@huawei.com>18Description: (RO) Shows the value of UltraSoc SMB status register.19 BIT(0) is zero means buffer is empty.20 21What: /sys/bus/coresight/devices/ultra_smb<N>/mgmt/read_pos22Date: January 202323KernelVersion: 6.324Contact: Junhao He <hejunhao3@huawei.com>25Description: (RO) Shows the value of UltraSoc SMB Read Pointer register.26 27What: /sys/bus/coresight/devices/ultra_smb<N>/mgmt/write_pos28Date: January 202329KernelVersion: 6.330Contact: Junhao He <hejunhao3@huawei.com>31Description: (RO) Shows the value of UltraSoc SMB Write Pointer register.32