diff options
Diffstat (limited to 'kernel/trace/trace_output.c')
| -rw-r--r-- | kernel/trace/trace_output.c | 38 |
1 files changed, 8 insertions, 30 deletions
diff --git a/kernel/trace/trace_output.c b/kernel/trace/trace_output.c index 6e6cc64faa38..54373d93e251 100644 --- a/kernel/trace/trace_output.c +++ b/kernel/trace/trace_output.c @@ -339,43 +339,24 @@ static inline const char *kretprobed(const char *name) #endif /* CONFIG_KRETPROBES */ static void -seq_print_sym_short(struct trace_seq *s, const char *fmt, unsigned long address) +seq_print_sym(struct trace_seq *s, unsigned long address, bool offset) { - char str[KSYM_SYMBOL_LEN]; #ifdef CONFIG_KALLSYMS - const char *name; - - kallsyms_lookup(address, NULL, NULL, NULL, str); - - name = kretprobed(str); - - if (name && strlen(name)) { - trace_seq_printf(s, fmt, name); - return; - } -#endif - snprintf(str, KSYM_SYMBOL_LEN, "0x%08lx", address); - trace_seq_printf(s, fmt, str); -} - -static void -seq_print_sym_offset(struct trace_seq *s, const char *fmt, - unsigned long address) -{ char str[KSYM_SYMBOL_LEN]; -#ifdef CONFIG_KALLSYMS const char *name; - sprint_symbol(str, address); + if (offset) + sprint_symbol(str, address); + else + kallsyms_lookup(address, NULL, NULL, NULL, str); name = kretprobed(str); if (name && strlen(name)) { - trace_seq_printf(s, fmt, name); + trace_seq_puts(s, name); return; } #endif - snprintf(str, KSYM_SYMBOL_LEN, "0x%08lx", address); - trace_seq_printf(s, fmt, str); + trace_seq_printf(s, "0x%08lx", address); } #ifndef CONFIG_64BIT @@ -424,10 +405,7 @@ seq_print_ip_sym(struct trace_seq *s, unsigned long ip, unsigned long sym_flags) goto out; } - if (sym_flags & TRACE_ITER_SYM_OFFSET) - seq_print_sym_offset(s, "%s", ip); - else - seq_print_sym_short(s, "%s", ip); + seq_print_sym(s, ip, sym_flags & TRACE_ITER_SYM_OFFSET); if (sym_flags & TRACE_ITER_SYM_ADDR) trace_seq_printf(s, " <" IP_FMT ">", ip); |