The linux kernel provides macro's for iterating against values from the cpu_list masks. By providing some commonly used masks, we can mirror the kernels helper macros with easy to use generators.
Signed-off-by: Kieran Bingham <[email protected]> --- scripts/gdb/linux/cpus.py | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/scripts/gdb/linux/cpus.py b/scripts/gdb/linux/cpus.py index 4297b83fedef..59e24472c507 100644 --- a/scripts/gdb/linux/cpus.py +++ b/scripts/gdb/linux/cpus.py @@ -100,6 +100,27 @@ def cpu_list(mask_name): yield cpu +def each_online_cpu(): + for cpu in cpu_list("cpu_online_mask"): + yield cpu + + +def each_present_cpu(): + for cpu in cpu_list("cpu_present_mask"): + yield cpu + + +def each_possible_cpu(): + for cpu in cpu_list("cpu_possible_mask"): + yield cpu + + +def print_cpus(): + gdb.write("Possible CPUS : {}\n".format(list(each_possible_cpu()))) + gdb.write("Present CPUS : {}\n".format(list(each_present_cpu()))) + gdb.write("Online CPUS : {}\n".format(list(each_online_cpu()))) + + class PerCpu(gdb.Function): """Return per-cpu variable. -- 2.5.0
