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| author | Takashi Iwai <tiwai@suse.de> | 2008-12-20 23:42:55 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2008-12-20 23:42:55 +0100 |
| commit | 6a8436419d1b77b24d82bd90354adc4baa393566 (patch) | |
| tree | d20e17b148f37dc299658a60303e6a2e4e6ce63f /Documentation/tracers/mmiotrace.txt | |
| parent | 55fa518867978e1f5fd8353098f80d125ac734d7 (diff) | |
| parent | ff75427a7f641c4468610fbda2ccb69218174cd1 (diff) | |
Merge branch 'topic/ca0106-capture-no-44khz' into topic/ca0106
Diffstat (limited to 'Documentation/tracers/mmiotrace.txt')
| -rw-r--r-- | Documentation/tracers/mmiotrace.txt | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/Documentation/tracers/mmiotrace.txt b/Documentation/tracers/mmiotrace.txt index 5bbbe209622..cde23b4a12a 100644 --- a/Documentation/tracers/mmiotrace.txt +++ b/Documentation/tracers/mmiotrace.txt @@ -37,7 +37,7 @@ $ echo mmiotrace > /debug/tracing/current_tracer $ cat /debug/tracing/trace_pipe > mydump.txt & Start X or whatever. $ echo "X is up" > /debug/tracing/trace_marker -$ echo none > /debug/tracing/current_tracer +$ echo nop > /debug/tracing/current_tracer Check for lost events. @@ -66,7 +66,7 @@ which action. It is recommended to place descriptive markers about what you do. Shut down mmiotrace (requires root privileges): -$ echo none > /debug/tracing/current_tracer +$ echo nop > /debug/tracing/current_tracer The 'cat' process exits. If it does not, kill it by issuing 'fg' command and pressing ctrl+c. @@ -81,7 +81,9 @@ are: $ cat /debug/tracing/trace_entries gives you a number. Approximately double this number and write it back, for instance: +$ echo 0 > /debug/tracing/tracing_enabled $ echo 128000 > /debug/tracing/trace_entries +$ echo 1 > /debug/tracing/tracing_enabled Then start again from the top. If you are doing a trace for a driver project, e.g. Nouveau, you should also |