Lines Matching refs:tracing
96 Adds a very slight overhead to tracing when enabled.
130 # be able to offer generic tracing facilities:
143 Enable the kernel tracing infrastructure.
153 kernel cmdline at boot time for debugging (tracing) driver
170 tracing is enabled by the administrator. If it's runtime disabled
189 bool "enable/disable function tracing dynamically"
194 This option will modify all the calls to function tracing
203 See the files in /sys/kernel/debug/tracing:
209 otherwise has native performance as long as no tracing is active.
248 kernel and displays it in /sys/kernel/debug/tracing/stack_trace.
288 echo 0 > /sys/kernel/debug/tracing/tracing_max_latency
312 echo 0 > /sys/kernel/debug/tracing/tracing_max_latency
340 Some files are created in the tracing directory when this
426 bool "Memory mapped IO tracing"
459 Allow tracing users to take snapshot of the current buffer using the
462 echo 1 > /sys/kernel/debug/tracing/snapshot
474 echo 1 > /sys/kernel/debug/tracing/per_cpu/cpu2/snapshot
476 After which, only the tracing buffer for CPU 2 was swapped with
477 the main tracing buffer, and the other CPU buffers remain the same.
521 /sys/kernel/debug/tracing/trace_stat/branch_annotated
534 /sys/kernel/debug/tracing/trace_stat/branch_all
548 profiled. Profiling the tracing infrastructure can only happen
566 bool "Support for tracing block IO actions"
585 echo blk > /sys/kernel/debug/tracing/current_tracer
586 cat /sys/kernel/debug/tracing/trace_pipe
599 This allows the user to add tracing events (similar to tracepoints)
640 This allows the user to add tracing events on top of userspace
704 tracing_map is a special-purpose lock-free map for tracing,
743 Inter-event tracing of quantities such as latencies is also
821 in the tracing directory called "eval_map" that will show the
833 bool "Record functions that recurse in function tracing"
836 All callbacks that attach to the function tracing have some sort