diff options
Diffstat (limited to 'arch/x86/kernel/process.c')
| -rw-r--r-- | arch/x86/kernel/process.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c index ff4554198981..e0e4ffcad481 100644 --- a/arch/x86/kernel/process.c +++ b/arch/x86/kernel/process.c @@ -13,6 +13,7 @@ #include <linux/dmi.h> #include <linux/utsname.h> #include <trace/events/power.h> +#include <trace/sched.h> #include <linux/hw_breakpoint.h> #include <asm/cpu.h> #include <asm/system.h> @@ -23,6 +24,8 @@ #include <asm/i387.h> #include <asm/debugreg.h> +DEFINE_TRACE(sched_kthread_create); + struct kmem_cache *task_xstate_cachep; EXPORT_SYMBOL_GPL(task_xstate_cachep); @@ -278,6 +281,7 @@ extern void kernel_thread_helper(void); int kernel_thread(int (*fn)(void *), void *arg, unsigned long flags) { struct pt_regs regs; + long pid; memset(®s, 0, sizeof(regs)); @@ -299,7 +303,10 @@ int kernel_thread(int (*fn)(void *), void *arg, unsigned long flags) regs.flags = X86_EFLAGS_IF | 0x2; /* Ok, create the new process.. */ - return do_fork(flags | CLONE_VM | CLONE_UNTRACED, 0, ®s, 0, NULL, NULL); + pid = do_fork(flags | CLONE_VM | CLONE_UNTRACED, + 0, ®s, 0, NULL, NULL); + trace_sched_kthread_create(fn, pid); + return pid; } EXPORT_SYMBOL(kernel_thread); |