Lines Matching refs:can

8 without slowing down the kernel or applications. These registers can also
9 trigger interrupts when a threshold number of events have passed - and can
28 The syscall returns the new fd. The fd can be used via the normal
29 VFS system calls: read() can be used to read the counter, fcntl()
30 can be used to set the blocking mode, etc.
32 Multiple counters can be kept open at a time, and the counters
33 can be poll()ed.
145 tracer is available, and event_id values can be obtained from
160  * Bits that can be set in hw_event.read_format to request that
169 Using these additional values one can establish the overcommit ratio for a
180  * Bits that can be set in hw_event.record_type to request information
196 or enabled.  If it is initially disabled, it can be enabled by ioctl
226 operations, these can be used to relate userspace IP addresses to actual
253 gets schedule to. Per task counters can be created by any user, for
270 only be put onto the CPU if all of the counters in the group can be
272 can be meaningfully compared, added, divided (to get ratios), etc.,
286  * Structure of the page that can be mapped via mmap
345          * The MMAP events record the PROT_EXEC mappings so that we can
401 Normally a notification is generated for every page filled, however one can
408 Counters can be enabled and disabled in two ways: via ioctl and via
412 An individual counter can be enabled with
428 Additionally, non-inherited overflow counters can use
434 A process can enable or disable all the counter groups that are
450 If your architecture does not have hardware performance metrics, you can
458 If your architecture does have hardware capabilities, you can override the