Lines Matching refs:tracing
2 In-kernel memory-mapped I/O tracing
10 MMIO tracing was originally developed by Intel around 2003 for their Fault
12 Jeff Muizelaar created a tool for tracing MMIO accesses with the Nouveau
28 supported, but tracing is unreliable and may miss events if more than one CPU
39 $ echo mmiotrace > /sys/kernel/tracing/current_tracer
40 $ cat /sys/kernel/tracing/trace_pipe > mydump.txt &
42 $ echo "X is up" > /sys/kernel/tracing/trace_marker
43 $ echo nop > /sys/kernel/tracing/current_tracer
59 $ echo mmiotrace > /sys/kernel/tracing/current_tracer
63 $ cat /sys/kernel/tracing/trace_pipe > mydump.txt &
70 During tracing you can place comments (markers) into the trace by
71 $ echo "X is up" > /sys/kernel/tracing/trace_marker
78 $ echo nop > /sys/kernel/tracing/current_tracer
96 $ cat /sys/kernel/tracing/buffer_size_kb
101 $ echo 128000 > /sys/kernel/tracing/buffer_size_kb
138 tracing is discouraged.
166 zero if it is not recorded. PID is always zero as tracing MMIO accesses