Lines Matching full:stm
7 System Trace Module (STM) is a device described in MIPI STP specs as
26 To solve this mapping problem, stm class provides a policy management
36 the STM device name to which this policy applies and an arbitrary
57 Trace sources have to open the stm class device's node and write their
67 stm core will try to find a policy node with the name matching the
73 if all the above steps failed, the write() to an stm file descriptor
76 Previously, if no policy nodes were found for a trace source, the stm
83 Some STM devices may allow direct mapping of the channel mmio regions
88 stm device's channel mmio region is 64 bytes and hardware page size is
93 Examples of STM devices are Intel(R) Trace Hub [1] and Coresight STM
101 stm devices at runtime via a sysfs attribute called "stm_source_link"
102 by writing the name of the desired stm device there, for example::
115 node, the stm core will use the catch-all entry "default", if one
124 for kernel messages over an stm device.
135 linked with an stm device, and if "function" tracer is enabled,
137 would store into ring buffer will be exported via the stm device at