lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Merge branch 'linus' into tracing/ftrace

Browse Source
This commit is contained in:
Ingo Molnar
2008-10-31 00:38:21 +01:00
parent 944ac4259e 7f82f000ed
commit e1e302d8a9
371 changed files with 5981 additions and 2453 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
kernel/trace/trace.c
View File

@@ -34,6 +34,7 @@
#include <linux/stacktrace.h>
#include <linux/ring_buffer.h>
#include <linux/irqflags.h>
#include "trace.h"
@@ -873,7 +874,7 @@ ftrace_special(unsigned long arg1, unsigned long arg2, unsigned long arg3)
preempt_enable_notrace();
}
#ifdef CONFIG_FTRACE
#ifdef CONFIG_FUNCTION_TRACER
static void
function_trace_call(unsigned long ip, unsigned long parent_ip)
{
@@ -887,9 +888,6 @@ function_trace_call(unsigned long ip, unsigned long parent_ip)
if (unlikely(!ftrace_function_enabled))
return;
if (skip_trace(ip))
return;
pc = preempt_count();
resched = need_resched();
preempt_disable_notrace();
@@ -2401,9 +2399,10 @@ tracing_set_trace_write(struct file *filp, const char __user *ubuf,
int i;
size_t ret;
ret = cnt;
if (cnt > max_tracer_type_len)
cnt = max_tracer_type_len;
ret = cnt;
if (copy_from_user(&buf, ubuf, cnt))
return -EFAULT;
@@ -2436,8 +2435,8 @@ tracing_set_trace_write(struct file *filp, const char __user *ubuf,
out:
mutex_unlock(&trace_types_lock);
if (ret == cnt)
filp->f_pos += cnt;
if (ret > 0)
filp->f_pos += ret;
return ret;
}
@@ -3120,7 +3119,7 @@ void ftrace_dump(void)
dump_ran = 1;
/* No turning back! */
ftrace_kill_atomic();
ftrace_kill();
for_each_tracing_cpu(cpu) {
atomic_inc(&global_trace.data[cpu]->disabled);