diff options
Diffstat (limited to 'Documentation/tools/rtla/common_timerlat_options.txt')
| -rw-r--r-- | Documentation/tools/rtla/common_timerlat_options.txt | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/Documentation/tools/rtla/common_timerlat_options.txt b/Documentation/tools/rtla/common_timerlat_options.txt index ab159b2cbfe7..e36898438a0b 100644 --- a/Documentation/tools/rtla/common_timerlat_options.txt +++ b/Documentation/tools/rtla/common_timerlat_options.txt @@ -23,10 +23,14 @@ Stop trace if the *IRQ* latency is higher than the argument in us. + This option cannot be unset. + **-T**, **--thread** *us* Stop trace if the *Thread* latency is higher than the argument in us. + This option cannot be unset. + **-s**, **--stack** *us* Save the stack trace at the *IRQ* if a *Thread* latency is higher than the @@ -95,3 +99,14 @@ * **full** Print the entire stack trace, including unknown addresses. For unknown addresses, the raw pointer is printed. + +**-A**, **--aligned** *us* + + Align wake-up of timerlat threads to a set offset in microseconds. + + The alignment will be applied when the threads wake up at the start of tracing while + the timer for the first cycle is armed. Each thread sets its timer to the wake-up time + of the previous thread plus the alignment. + + This option may be used with any non-negative argument, including zero, which will + align threads so that they wake up all at the same time. |