Lines Matching refs:echo
349 To set a clock, simply echo the clock name into this file.
351 echo global > trace_clock
535 tracers from tracing simply echo "nop" into
734 To disable one of the options, echo in the option prepended with
737 echo noprint-parent > trace_options
741 echo sym-offset > trace_options
914 To reset the maximum, echo 0 into tracing_max_latency. Here is
917 # echo 0 > options/function-trace
918 # echo irqsoff > current_tracer
919 # echo 1 > tracing_on
920 # echo 0 > tracing_max_latency
923 # echo 0 > tracing_on
974 with echo 1 > options/function-trace
1063 # echo 0 > options/function-trace
1064 # echo preemptoff > current_tracer
1065 # echo 1 > tracing_on
1066 # echo 0 > tracing_max_latency
1069 # echo 0 > tracing_on
1213 # echo 0 > options/function-trace
1214 # echo preemptirqsoff > current_tracer
1215 # echo 1 > tracing_on
1216 # echo 0 > tracing_max_latency
1219 # echo 0 > tracing_on
1383 # echo 0 > options/function-trace
1384 # echo wakeup > current_tracer
1385 # echo 1 > tracing_on
1386 # echo 0 > tracing_max_latency
1388 # echo 0 > tracing_on
1449 # echo 0 > options/function-trace
1450 # echo wakeup_rt > current_tracer
1451 # echo 1 > tracing_on
1452 # echo 0 > tracing_max_latency
1454 # echo 0 > tracing_on
1503 echo 1 > options/function-trace
1622 # echo 0 > options/function-trace
1623 # echo wakeup_rt > current_tracer
1624 # echo 1 > events/enable
1625 # echo 1 > tracing_on
1626 # echo 0 > tracing_max_latency
1628 # echo 0 > tracing_on
1670 # echo function > current_tracer
1671 # echo 1 > tracing_on
1673 # echo 0 > tracing_on
1699 Sometimes using echo to stop the trace is not sufficient because
1728 # echo 3111 > set_ftrace_pid
1731 # echo function > current_tracer
1743 # echo > set_ftrace_pid
1849 echo nop > $debugfs/tracing/current_tracer
1850 echo 0 > $debugfs/tracing/tracing_on
1851 echo $$ > $debugfs/tracing/set_ftrace_pid
1852 echo function > $debugfs/tracing/current_tracer
1853 echo 1 > $debugfs/tracing/tracing_on
1922 hide: echo nofuncgraph-cpu > trace_options
1923 show: echo funcgraph-cpu > trace_options
1930 hide: echo nofuncgraph-duration > trace_options
1931 show: echo funcgraph-duration > trace_options
1936 hide: echo nofuncgraph-overhead > trace_options
1937 show: echo funcgraph-overhead > trace_options
1968 hide: echo nofuncgraph-proc > trace_options
1969 show: echo funcgraph-proc > trace_options
1992 hide: echo nofuncgraph-abstime > trace_options
1993 show: echo funcgraph-abstime > trace_options
2024 hide: echo nofuncgraph-tail > trace_options
2025 show: echo funcgraph-tail > trace_options
2141 # echo sys_nanosleep hrtimer_interrupt > set_ftrace_filter
2142 # echo function > current_tracer
2143 # echo 1 > tracing_on
2145 # echo 0 > tracing_on
2186 # echo 'hrtimer_*' > set_ftrace_filter
2238 # echo > set_ftrace_filter
2244 # echo sys_nanosleep > set_ftrace_filter
2247 # echo 'hrtimer_*' >> set_ftrace_filter
2271 # echo '*preempt*' '*lock*' > set_ftrace_notrace
2310 you just have to echo its name into set_graph_function:
2312 echo __do_fault > set_graph_function
2354 echo sys_open > set_graph_function
2355 echo sys_close >> set_graph_function
2360 echo > set_graph_function
2381 echo 0 > /proc/sys/kernel/ftrace_enabled
2382 echo 1 > /proc/sys/kernel/ftrace_enabled
2400 echo 'write*:mod:ext3' > set_ftrace_filter
2408 echo '!writeback*:mod:ext3' >> set_ftrace_filter
2417 echo '__schedule_bug:traceoff:5' > set_ftrace_filter
2421 echo '__schedule_bug:traceoff' > set_ftrace_filter
2427 echo '!__schedule_bug:traceoff:0' > set_ftrace_filter
2432 echo '!__schedule_bug:traceoff' > set_ftrace_filter
2437 echo 'native_flush_tlb_others:snapshot' > set_ftrace_filter
2441 echo 'native_flush_tlb_others:snapshot:1' > set_ftrace_filter
2445 echo '!native_flush_tlb_others:snapshot' > set_ftrace_filter
2446 echo '!native_flush_tlb_others:snapshot:0' > set_ftrace_filter
2456 echo 'try_to_wake_up:enable_event:sched:sched_switch:2' > \
2467 echo '!try_to_wake_up:enable_event:sched:sched_switch:0' > \
2469 echo '!schedule:disable_event:sched:sched_switch' > \
2493 # echo function > current_tracer
2496 # echo 1 > tracing_on
2498 # echo 0 > tracing_on
2546 To modify the buffer, simple echo in a number (in 1024 byte segments).
2548 # echo 10000 > buffer_size_kb
2555 # echo 1000000000000 > buffer_size_kb
2556 -bash: echo: write error: Cannot allocate memory
2562 # echo 10000 > per_cpu/cpu0/buffer_size_kb
2563 # echo 100 > per_cpu/cpu1/buffer_size_kb
2617 # echo 1 > events/sched/enable
2618 # echo 1 > snapshot
2656 # echo wakeup > current_tracer
2657 # echo 1 > snapshot
2658 bash: echo: write error: Device or resource busy
2697 # echo 100000 > buffer_size_kb
2698 # echo 1000 > instances/foo/buffer_size_kb
2699 # echo 5000 > instances/bar/per_cpu/cpu1/buffer_size_kb
2700 # echo function > current_trace
2701 # echo 1 > instances/foo/events/sched/sched_wakeup/enable
2702 # echo 1 > instances/foo/events/sched/sched_wakeup_new/enable
2703 # echo 1 > instances/foo/events/sched/sched_switch/enable
2704 # echo 1 > instances/bar/events/irq/enable
2705 # echo 1 > instances/zoot/events/syscalls/enable
2804 # echo 1 > /proc/sys/kernel/stack_tracer_enabled