Lines Matching refs:echo
360 To set a clock, simply echo the clock name into this file.
362 echo global > trace_clock
546 tracers from tracing simply echo "nop" into
747 To disable one of the options, echo in the option prepended with
750 echo noprint-parent > trace_options
754 echo sym-offset > trace_options
927 To reset the maximum, echo 0 into tracing_max_latency. Here is
930 # echo 0 > options/function-trace
931 # echo irqsoff > current_tracer
932 # echo 1 > tracing_on
933 # echo 0 > tracing_max_latency
936 # echo 0 > tracing_on
987 with echo 1 > options/function-trace
1076 # echo 0 > options/function-trace
1077 # echo preemptoff > current_tracer
1078 # echo 1 > tracing_on
1079 # echo 0 > tracing_max_latency
1082 # echo 0 > tracing_on
1226 # echo 0 > options/function-trace
1227 # echo preemptirqsoff > current_tracer
1228 # echo 1 > tracing_on
1229 # echo 0 > tracing_max_latency
1232 # echo 0 > tracing_on
1396 # echo 0 > options/function-trace
1397 # echo wakeup > current_tracer
1398 # echo 1 > tracing_on
1399 # echo 0 > tracing_max_latency
1401 # echo 0 > tracing_on
1462 # echo 0 > options/function-trace
1463 # echo wakeup_rt > current_tracer
1464 # echo 1 > tracing_on
1465 # echo 0 > tracing_max_latency
1467 # echo 0 > tracing_on
1516 echo 1 > options/function-trace
1635 # echo 0 > options/function-trace
1636 # echo wakeup_rt > current_tracer
1637 # echo 1 > events/enable
1638 # echo 1 > tracing_on
1639 # echo 0 > tracing_max_latency
1641 # echo 0 > tracing_on
1683 # echo function > current_tracer
1684 # echo 1 > tracing_on
1686 # echo 0 > tracing_on
1712 Sometimes using echo to stop the trace is not sufficient because
1741 # echo 3111 > set_ftrace_pid
1744 # echo function > current_tracer
1756 # echo > set_ftrace_pid
1862 echo nop > $debugfs/tracing/current_tracer
1863 echo 0 > $debugfs/tracing/tracing_on
1864 echo $$ > $debugfs/tracing/set_ftrace_pid
1865 echo function > $debugfs/tracing/current_tracer
1866 echo 1 > $debugfs/tracing/tracing_on
1935 hide: echo nofuncgraph-cpu > trace_options
1936 show: echo funcgraph-cpu > trace_options
1943 hide: echo nofuncgraph-duration > trace_options
1944 show: echo funcgraph-duration > trace_options
1949 hide: echo nofuncgraph-overhead > trace_options
1950 show: echo funcgraph-overhead > trace_options
2004 hide: echo nofuncgraph-proc > trace_options
2005 show: echo funcgraph-proc > trace_options
2028 hide: echo nofuncgraph-abstime > trace_options
2029 show: echo funcgraph-abstime > trace_options
2060 hide: echo nofuncgraph-tail > trace_options
2061 show: echo funcgraph-tail > trace_options
2177 # echo sys_nanosleep hrtimer_interrupt > set_ftrace_filter
2178 # echo function > current_tracer
2179 # echo 1 > tracing_on
2181 # echo 0 > tracing_on
2222 # echo 'hrtimer_*' > set_ftrace_filter
2274 # echo > set_ftrace_filter
2280 # echo sys_nanosleep > set_ftrace_filter
2283 # echo 'hrtimer_*' >> set_ftrace_filter
2307 # echo '*preempt*' '*lock*' > set_ftrace_notrace
2346 you just have to echo its name into set_graph_function:
2348 echo __do_fault > set_graph_function
2390 echo sys_open > set_graph_function
2391 echo sys_close >> set_graph_function
2396 echo > set_graph_function
2417 echo 0 > /proc/sys/kernel/ftrace_enabled
2418 echo 1 > /proc/sys/kernel/ftrace_enabled
2436 echo 'write*:mod:ext3' > set_ftrace_filter
2444 echo '!writeback*:mod:ext3' >> set_ftrace_filter
2449 echo '!*:mod:!ext3' >> set_ftrace_filter
2453 echo '!*:mod:*' >> set_ftrace_filter
2457 echo '*write*:mod:!*' >> set_ftrace_filter
2461 echo '*write*:mod:*snd*' >> set_ftrace_filter
2470 echo '__schedule_bug:traceoff:5' > set_ftrace_filter
2474 echo '__schedule_bug:traceoff' > set_ftrace_filter
2480 echo '!__schedule_bug:traceoff:0' > set_ftrace_filter
2485 echo '!__schedule_bug:traceoff' > set_ftrace_filter
2490 echo 'native_flush_tlb_others:snapshot' > set_ftrace_filter
2494 echo 'native_flush_tlb_others:snapshot:1' > set_ftrace_filter
2498 echo '!native_flush_tlb_others:snapshot' > set_ftrace_filter
2499 echo '!native_flush_tlb_others:snapshot:0' > set_ftrace_filter
2509 echo 'try_to_wake_up:enable_event:sched:sched_switch:2' > \
2520 echo '!try_to_wake_up:enable_event:sched:sched_switch:0' > \
2522 echo '!schedule:disable_event:sched:sched_switch' > \
2546 # echo function > current_tracer
2549 # echo 1 > tracing_on
2551 # echo 0 > tracing_on
2599 To modify the buffer, simple echo in a number (in 1024 byte segments).
2601 # echo 10000 > buffer_size_kb
2608 # echo 1000000000000 > buffer_size_kb
2609 -bash: echo: write error: Cannot allocate memory
2615 # echo 10000 > per_cpu/cpu0/buffer_size_kb
2616 # echo 100 > per_cpu/cpu1/buffer_size_kb
2670 # echo 1 > events/sched/enable
2671 # echo 1 > snapshot
2709 # echo wakeup > current_tracer
2710 # echo 1 > snapshot
2711 bash: echo: write error: Device or resource busy
2750 # echo 100000 > buffer_size_kb
2751 # echo 1000 > instances/foo/buffer_size_kb
2752 # echo 5000 > instances/bar/per_cpu/cpu1/buffer_size_kb
2753 # echo function > current_trace
2754 # echo 1 > instances/foo/events/sched/sched_wakeup/enable
2755 # echo 1 > instances/foo/events/sched/sched_wakeup_new/enable
2756 # echo 1 > instances/foo/events/sched/sched_switch/enable
2757 # echo 1 > instances/bar/events/irq/enable
2758 # echo 1 > instances/zoot/events/syscalls/enable
2857 # echo 1 > /proc/sys/kernel/stack_tracer_enabled