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Diffstat (limited to '')
| -rw-r--r-- | doc/user/cpuuse.t | 25 |
1 files changed, 14 insertions, 11 deletions
diff --git a/doc/user/cpuuse.t b/doc/user/cpuuse.t index 75f64b0488..a95361e778 100644 --- a/doc/user/cpuuse.t +++ b/doc/user/cpuuse.t @@ -61,20 +61,23 @@ The following is an example of the report generated: @example @group -CPU Usage by thread - ID NAME TICKS PERCENT -0x04010001 IDLE 0 0.000 -0x08010002 TA1 1203 0.748 -0x08010003 TA2 203 0.126 -0x08010004 TA3 202 0.126 - -Ticks since last reset = 1600 - -Total Units = 1608 +------------------------------------------------------------------------------- + CPU USAGE BY THREAD +------------+----------------------------------------+---------------+--------- + ID | NAME | SECONDS | PERCENT +------------+----------------------------------------+---------------+--------- + 0x04010001 | IDLE | 0 | 0.000 + 0x08010002 | TA1 | 1203 | 0.748 + 0x08010003 | TA2 | 203 | 0.126 + 0x08010004 | TA3 | 202 | 0.126 +------------+----------------------------------------+---------------+--------- + TICKS SINCE LAST SYSTEM RESET: 1600 + TOTAL UNITS: 1608 +------------------------------------------------------------------------------- @end group @end example -Notice that the "Total Units" is greater than the ticks per reset. +Notice that the "TOTAL UNITS" is greater than the ticks per reset. This is an artifact of the way in which RTEMS keeps track of CPU usage. When a task is context switched into the CPU, the number of clock ticks it has executed is incremented. While the task |