Lines Matching refs:tracing

82 	 Adds a very slight overhead to tracing when enabled.
116 # be able to offer generic tracing facilities:
130 	  Enable the kernel tracing infrastructure.
140 	  kernel cmdline at boot time for debugging (tracing) driver
157 	  tracing is enabled by the administrator. If it's runtime disabled
176 	bool "enable/disable function tracing dynamically"
181 	  This option will modify all the calls to function tracing
190 	  See the files in /sys/kernel/debug/tracing:
196 	  otherwise has native performance as long as no tracing is active.
230 	  kernel and displays it in /sys/kernel/debug/tracing/stack_trace.
271 	      echo 0 > /sys/kernel/debug/tracing/tracing_max_latency
296 	      echo 0 > /sys/kernel/debug/tracing/tracing_max_latency
324 	 Some files are created in the tracing directory when this
348 	bool "Memory mapped IO tracing"
381 	  Allow tracing users to take snapshot of the current buffer using the
384 	      echo 1 > /sys/kernel/debug/tracing/snapshot
396 	      echo 1 > /sys/kernel/debug/tracing/per_cpu/cpu2/snapshot
398 	  After which, only the tracing buffer for CPU 2 was swapped with
399 	  the main tracing buffer, and the other CPU buffers remain the same.
443 	  /sys/kernel/debug/tracing/trace_stat/branch_annotated
456 	  /sys/kernel/debug/tracing/trace_stat/branch_all
470 	  profiled. Profiling the tracing infrastructure can only happen
488 	bool "Support for tracing block IO actions"
507 	    echo blk > /sys/kernel/debug/tracing/current_tracer
508 	    cat /sys/kernel/debug/tracing/trace_pipe
521 	  This allows the user to add tracing events (similar to tracepoints)
562 	  This allows the user to add tracing events on top of userspace
602 	  tracing_map is a special-purpose lock-free map for tracing,
641 	  Inter-event tracing of quantities such as latencies is also
719 	in the tracing directory called "eval_map" that will show the