Lines Matching refs:tracing

89 	 Adds a very slight overhead to tracing when enabled.
124 # be able to offer generic tracing facilities:
138 	  Enable the kernel tracing infrastructure.
155 	  tracing is enabled by the administrator. If it's runtime disabled
186 	  Enable tracing of disable and enable events for preemption and irqs.
207 	      echo 0 > /sys/kernel/debug/tracing/tracing_max_latency
232 	      echo 0 > /sys/kernel/debug/tracing/tracing_max_latency
260 	 Some files are created in the tracing directory when this
304 	  Allow tracing users to take snapshot of the current buffer using the
307 	      echo 1 > /sys/kernel/debug/tracing/snapshot
319 	      echo 1 > /sys/kernel/debug/tracing/per_cpu/cpu2/snapshot
321 	  After which, only the tracing buffer for CPU 2 was swapped with
322 	  the main tracing buffer, and the other CPU buffers remain the same.
366 	  /sys/kernel/debug/tracing/trace_stat/branch_annotated
380 	  /sys/kernel/debug/tracing/trace_stat/branch_all
394 	  profiled. Profiling the tracing infrastructure can only happen
419 	  kernel and displays it in /sys/kernel/debug/tracing/stack_trace.
436 	bool "Support for tracing block IO actions"
455 	    echo blk > /sys/kernel/debug/tracing/current_tracer
456 	    cat /sys/kernel/debug/tracing/trace_pipe
469 	  This allows the user to add tracing events (similar to tracepoints)
510 	  This allows the user to add tracing events on top of userspace
533 	bool "enable/disable function tracing dynamically"
538 	  This option will modify all the calls to function tracing
547 	  See the files in /sys/kernel/debug/tracing:
553 	  otherwise has native performance as long as no tracing is active.
624 	bool "Memory mapped IO tracing"
640 	  tracing_map is a special-purpose lock-free map for tracing,
661 	  Inter-event tracing of quantities such as latencies is also
778 	in the tracing directory called "eval_map" that will show the