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This requires manual symbol lookups against /proc/kallsyms or vmlinux to identify the underlying kernel function being executed. This patch series enhances 'perf trace' by introducing kernel virtual address and function pointer symbolisation using perf's native symbol engine (i.e., machine__find_kernel_symbol()). Before: workqueue:workqueue_execute_end(work: 0xffffffffab2f1420, function: 0xffffffffa8046b50) After: workqueue:workqueue_execute_end(work: 0xffff8ac2c420f270, function: wb_update_bandwidth_workfn) Patch 1 adds the 'syscall_arg__scnprintf_ksym' ('SCA_KSYM') beautifier which resolves virtual addresses via machine__find_kernel_symbol(), formatting them as 'symbol_name+offset' (or "NULL" with a hex fallback). Patch 2 updates event format initialisation in syscall_arg_fmt__init_array() to automatically assign SCA_KSYM to tracepoint fields named 'function', 'fn', 'work', 'action', or 'callsite', as well as fields typed as function pointers. Patch 3 extends BTF pretty-printing in trace__btf_scnprintf() with btf_is_func_ptr() to automatically detect BTF function prototypes and symbolise kernel function pointers without requiring manual field table configuration. Aaron Tomlin (3): perf trace: Introduce kernel symbol beautifier for virtual addresses perf trace: Auto-assign kernel symbol beautifier to function pointer fields perf trace: Enhance BTF type formatting to symbolise kernel function pointers tools/perf/builtin-trace.c | 76 ++++++++++++++++++++++++++++---- tools/perf/trace/beauty/beauty.h | 3 ++ 2 files changed, 71 insertions(+), 8 deletions(-) -- 2.55.0