From 2cddfc2e8fc78c13b0f5286ea5dd48cdf527ad41 Mon Sep 17 00:00:00 2001 From: Aaron Tomlin Date: Fri, 26 Dec 2025 11:07:24 -0500 Subject: tracing: Add bitmask-list option for human-readable bitmask display Add support for displaying bitmasks in human-readable list format (e.g., 0,2-5,7) in addition to the default hexadecimal bitmap representation. This is particularly useful when tracing CPU masks and other large bitmasks where individual bit positions are more meaningful than their hexadecimal encoding. When the "bitmask-list" option is enabled, the printk "%*pbl" format specifier is used to render bitmasks as comma-separated ranges, making trace output easier to interpret for complex CPU configurations and large bitmask values. Link: https://patch.msgid.link/20251226160724.2246493-2-atomlin@atomlin.com Signed-off-by: Aaron Tomlin Signed-off-by: Steven Rostedt (Google) --- include/trace/stages/stage3_trace_output.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'include/trace') diff --git a/include/trace/stages/stage3_trace_output.h b/include/trace/stages/stage3_trace_output.h index 1e7b0bef95f5..fce85ea2df1c 100644 --- a/include/trace/stages/stage3_trace_output.h +++ b/include/trace/stages/stage3_trace_output.h @@ -39,7 +39,7 @@ void *__bitmask = __get_dynamic_array(field); \ unsigned int __bitmask_size; \ __bitmask_size = __get_dynamic_array_len(field); \ - trace_print_bitmask_seq(p, __bitmask, __bitmask_size); \ + trace_print_bitmask_seq(iter, __bitmask, __bitmask_size); \ }) #undef __get_cpumask @@ -51,7 +51,7 @@ void *__bitmask = __get_rel_dynamic_array(field); \ unsigned int __bitmask_size; \ __bitmask_size = __get_rel_dynamic_array_len(field); \ - trace_print_bitmask_seq(p, __bitmask, __bitmask_size); \ + trace_print_bitmask_seq(iter, __bitmask, __bitmask_size); \ }) #undef __get_rel_cpumask -- cgit v1.2.3