Lines Matching refs:kernel

139 	  Enable the kernel tracing infrastructure.
150 	  Enable the kernel to trace every kernel function. This is done
152 	  instruction at the beginning of every kernel function, which NOP
165 	  Enable the kernel to trace a function at both its return
192 	      echo 0 > /sys/kernel/debug/tracing/tracing_max_latency
194 	  (Note that kernel size and overhead increase with this option
216 	      echo 0 > /sys/kernel/debug/tracing/tracing_max_latency
218 	  (Note that kernel size and overhead increase with this option
237 	  This tracer hooks to various trace points in the kernel,
256 	      echo 1 > /sys/kernel/debug/tracing/snapshot
268 	      echo 1 > /sys/kernel/debug/tracing/per_cpu/cpu2/snapshot
295 	 kernel. This profiler will also enable the likely/unlikely
313 	  in the kernel. It will display the results in:
315 	  /sys/kernel/debug/tracing/trace_stat/branch_annotated
325 	  taken in the kernel is recorded whether it hit or miss.
328 	  /sys/kernel/debug/tracing/trace_stat/branch_all
351 	  calls in the kernel.  The difference between this and the
367 	  kernel and displays it in /sys/kernel/debug/tracing/stack_trace.
370 	  kernel executes, and keeping a maximum stack depth value and
376 	  on the kernel command line.
379 	  sysctl kernel.stack_tracer_enabled
398 	  git://git.kernel.dk/blktrace.git
403 	    echo blk > /sys/kernel/debug/tracing/current_tracer
404 	    cat /sys/kernel/debug/tracing/trace_pipe
455 	  can function trace, and this table is linked into the kernel
460 	  See the files in /sys/kernel/debug/tracing:
465 	  This way a CONFIG_FUNCTION_TRACER kernel is slightly larger, but
478 	  This option enables the kernel function profiler. A file is created
511 	 with the event enabled. This adds a bit more time for kernel boot
561 	 kernel boot sequence, the test will start that kicks off