- Update the help and man page for --latency - Fix some sorting of --latency and --loops Signed-off-by: John Kacur <jkacur@xxxxxxxxxx> --- src/cyclictest/cyclictest.8 | 12 ++++++------ src/cyclictest/cyclictest.c | 6 ++++-- 2 files changed, 10 insertions(+), 8 deletions(-) diff --git a/src/cyclictest/cyclictest.8 b/src/cyclictest/cyclictest.8 index abc56e8e4970..dc0a278f3d30 100644 --- a/src/cyclictest/cyclictest.8 +++ b/src/cyclictest/cyclictest.8 @@ -67,9 +67,6 @@ Specify a length for the test run. .br Append 'm', 'h', or 'd' to specify minutes, hours or days. .TP -.B \-\-latency=PM_Q0S -write PM_Q0S to /dev/cpu_dma_latency -.TP .B \-F, \-\-fifo=<path> Create a named pipe at path and write stats to it .TP @@ -88,12 +85,15 @@ Set the base interval of the thread(s) in microseconds (default is 1000us). This .B \-\-json=FILENAME Write final results into FILENAME, JSON formatted. .TP -.B \-l, \-\-loops=LOOPS -Set the number of loops. The default is 0 (endless). This option is useful for automated tests with a given number of test cycles. Cyclictest is stopped once the number of timer intervals has been reached. -.TP .B \-\-laptop Save battery when running cyclictest. This will give you poorer realtime results, but will not drain your battery so quickly. .TP +.B \-\-latency=PM_Q0S +power management latency target value. This value is written to /dev/cpu_dma_latency and affects c-states. The default is 0 +.TP +.B \-l, \-\-loops=LOOPS +Set the number of loops. The default is 0 (endless). This option is useful for automated tests with a given number of test cycles. Cyclictest is stopped once the number of timer intervals has been reached. +.TP .B \-\-mainaffinity=CPUSET Run the main thread on CPU #N. This only affects the main thread and not the measurement threads .TP diff --git a/src/cyclictest/cyclictest.c b/src/cyclictest/cyclictest.c index f8f7dbc7e43d..067b75317c9a 100644 --- a/src/cyclictest/cyclictest.c +++ b/src/cyclictest/cyclictest.c @@ -823,7 +823,6 @@ static void display_help(int error) "-d DIST --distance=DIST distance of thread intervals in us, default=500\n" "-D --duration=TIME specify a length for the test run.\n" " Append 'm', 'h', or 'd' to specify minutes, hours or days.\n" - " --latency=PM_QOS write PM_QOS to /dev/cpu_dma_latency\n" "-F --fifo=<path> create a named pipe at path and write stats to it\n" "-h --histogram=US dump a latency histogram to stdout after the run\n" " US is the max latency time to be tracked in microseconds\n" @@ -832,10 +831,13 @@ static void display_help(int error) " --histfile=<path> dump the latency histogram to <path> instead of stdout\n" "-i INTV --interval=INTV base interval of thread in us default=1000\n" " --json=FILENAME write final results into FILENAME, JSON formatted\n" - "-l LOOPS --loops=LOOPS number of loops: default=0(endless)\n" " --laptop Save battery when running cyclictest\n" " This will give you poorer realtime results\n" " but will not drain your battery so quickly\n" + " --latency=PM_QOS power management latency target value\n" + " This value is written to /dev/cpu_dma_latency\n" + " and affects c-states. The default is 0\n" + "-l LOOPS --loops=LOOPS number of loops: default=0(endless)\n" " --mainaffinity=CPUSET\n" " Run the main thread on CPU #N. This only affects\n" " the main thread and not the measurement threads\n" -- 2.31.1
