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Diffstat (limited to 'Documentation/trace/tracepoint-analysis.rst')
| -rw-r--r-- | Documentation/trace/tracepoint-analysis.rst | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/Documentation/trace/tracepoint-analysis.rst b/Documentation/trace/tracepoint-analysis.rst index 716326b9f152..be01bf7b47e5 100644 --- a/Documentation/trace/tracepoint-analysis.rst +++ b/Documentation/trace/tracepoint-analysis.rst @@ -26,10 +26,10 @@ assumed that the PCL tool tools/perf has been installed and is in your path. 2.1 Standard Utilities ---------------------- -All possible events are visible from /sys/kernel/debug/tracing/events. Simply +All possible events are visible from /sys/kernel/tracing/events. Simply calling:: - $ find /sys/kernel/debug/tracing/events -type d + $ find /sys/kernel/tracing/events -type d will give a fair indication of the number of events available. @@ -59,7 +59,7 @@ See Documentation/trace/events.rst for a proper description on how events can be enabled system-wide. A short example of enabling all events related to page allocation would look something like:: - $ for i in `find /sys/kernel/debug/tracing/events -name "enable" | grep mm_`; do echo 1 > $i; done + $ for i in `find /sys/kernel/tracing/events -name "enable" | grep mm_`; do echo 1 > $i; done 3.2 System-Wide Event Enabling with SystemTap --------------------------------------------- @@ -189,7 +189,7 @@ time on a system-wide basis using -a and sleep. ============================================ When events are enabled the events that are triggering can be read from -/sys/kernel/debug/tracing/trace_pipe in human-readable format although binary +/sys/kernel/tracing/trace_pipe in human-readable format although binary options exist as well. By post-processing the output, further information can be gathered on-line as appropriate. Examples of post-processing might include |