Commit eeac19a7 authored by Jason Baron's avatar Jason Baron Committed by Frederic Weisbecker
Browse files

tracing: Map syscall name to number

Add a new function to support translating a syscall name to number at
This allows the syscall event tracer to map syscall names to number.
Signed-off-by: default avatarJason Baron <>
Cc: Lai Jiangshan <>
Cc: Steven Rostedt <>
Cc: Peter Zijlstra <>
Cc: Mathieu Desnoyers <>
Cc: Jiaying Zhang <>
Cc: Martin Bligh <>
Cc: Li Zefan <>
Cc: Masami Hiramatsu <>
Signed-off-by: default avatarFrederic Weisbecker <>
parent 7770841e
......@@ -500,6 +500,22 @@ struct syscall_metadata *syscall_nr_to_meta(int nr)
return syscalls_metadata[nr];
int syscall_name_to_nr(char *name)
int i;
if (!syscalls_metadata)
return -1;
for (i = 0; i < FTRACE_SYSCALL_MAX; i++) {
if (syscalls_metadata[i]) {
if (!strcmp(syscalls_metadata[i]->name, name))
return i;
return -1;
void arch_init_ftrace_syscalls(void)
int i;
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