Lines Matching refs:tracing

87 	 Adds a very slight overhead to tracing when enabled.
113 # be able to offer generic tracing facilities:
117 	# PPC32 has no irqflags tracing support, but it can use most of the
120 	# irqflags tracing for your architecture.
131 	  Enable the kernel tracing infrastructure.
146 	  tracing is enabled by the administrator. If it's runtime disabled
184 	      echo 0 > /sys/kernel/debug/tracing/tracing_max_latency
208 	      echo 0 > /sys/kernel/debug/tracing/tracing_max_latency
245 	  Allow tracing users to take snapshot of the current buffer using the
248 	      echo 1 > /sys/kernel/debug/tracing/snapshot
260 	      echo 1 > /sys/kernel/debug/tracing/per_cpu/cpu2/snapshot
262 	  After which, only the tracing buffer for CPU 2 was swapped with
263 	  the main tracing buffer, and the other CPU buffers remain the same.
307 	  /sys/kernel/debug/tracing/trace_stat/branch_annotated
320 	  /sys/kernel/debug/tracing/trace_stat/branch_all
334 	  profiled. Profiling the tracing infrastructure can only happen
359 	  kernel and displays it in /sys/kernel/debug/tracing/stack_trace.
376 	bool "Support for tracing block IO actions"
395 	    echo blk > /sys/kernel/debug/tracing/current_tracer
396 	    cat /sys/kernel/debug/tracing/trace_pipe
408 	  This allows the user to add tracing events (similar to tracepoints)
428 	  This allows the user to add tracing events on top of userspace
447 	bool "enable/disable function tracing dynamically"
452 	  This option will modify all the calls to function tracing
461 	  See the files in /sys/kernel/debug/tracing:
467 	  otherwise has native performance as long as no tracing is active.
519 	bool "Memory mapped IO tracing"
627 	in the tracing directory called "enum_map" that will show the enum
643 	  Enable tracing events for gpio subsystem