diff options
Diffstat (limited to 'Documentation/trace')
| -rw-r--r-- | Documentation/trace/ftrace.rst | 7 | ||||
| -rw-r--r-- | Documentation/trace/histogram.rst | 2 | ||||
| -rw-r--r-- | Documentation/trace/index.rst | 1 |
3 files changed, 6 insertions, 4 deletions
diff --git a/Documentation/trace/ftrace.rst b/Documentation/trace/ftrace.rst index 4073ca48af4a..272464bb7c60 100644 --- a/Documentation/trace/ftrace.rst +++ b/Documentation/trace/ftrace.rst @@ -1031,14 +1031,15 @@ explains which is which. CPU#: The CPU which the process was running on. irqs-off: 'd' interrupts are disabled. '.' otherwise. - .. caution:: If the architecture does not support a way to - read the irq flags variable, an 'X' will always - be printed here. need-resched: + - 'B' all, TIF_NEED_RESCHED, PREEMPT_NEED_RESCHED and TIF_RESCHED_LAZY is set, - 'N' both TIF_NEED_RESCHED and PREEMPT_NEED_RESCHED is set, - 'n' only TIF_NEED_RESCHED is set, - 'p' only PREEMPT_NEED_RESCHED is set, + - 'L' both PREEMPT_NEED_RESCHED and TIF_RESCHED_LAZY is set, + - 'b' both TIF_NEED_RESCHED and TIF_RESCHED_LAZY is set, + - 'l' only TIF_RESCHED_LAZY is set - '.' otherwise. hardirq/softirq: diff --git a/Documentation/trace/histogram.rst b/Documentation/trace/histogram.rst index 3c9b263de9c2..0aada18c38c6 100644 --- a/Documentation/trace/histogram.rst +++ b/Documentation/trace/histogram.rst @@ -81,7 +81,7 @@ Documentation written by Tom Zanussi .usecs display a common_timestamp in microseconds .percent display a number of percentage value .graph display a bar-graph of a value - .stacktrace display as a stacktrace (must by a long[] type) + .stacktrace display as a stacktrace (must be a long[] type) ============= ================================================= Note that in general the semantics of a given field aren't diff --git a/Documentation/trace/index.rst b/Documentation/trace/index.rst index 0b300901fd75..2c991dc96ace 100644 --- a/Documentation/trace/index.rst +++ b/Documentation/trace/index.rst @@ -24,6 +24,7 @@ Linux Tracing Technologies histogram histogram-design boottime-trace + debugging hwlat_detector osnoise-tracer timerlat-tracer |