tracing: remove recording function depth from trace_printk
The function depth in trace_printk was to facilitate the function
graph output. Now that the function graph calculates the depth within
the trace output, we no longer need to record the depth when the
trace_printk is called.
Signed-off-by: Steven Rostedt <srostedt@redhat.com>
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index c637cb6..f7f359d 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -1194,7 +1194,7 @@
* trace_vbprintk - write binary msg to tracing buffer
*
*/
-int trace_vbprintk(unsigned long ip, int depth, const char *fmt, va_list args)
+int trace_vbprintk(unsigned long ip, const char *fmt, va_list args)
{
static raw_spinlock_t trace_buf_lock =
(raw_spinlock_t)__RAW_SPIN_LOCK_UNLOCKED;
@@ -1236,7 +1236,6 @@
goto out_unlock;
entry = ring_buffer_event_data(event);
entry->ip = ip;
- entry->depth = depth;
entry->fmt = fmt;
memcpy(entry->buf, trace_buf, sizeof(u32) * len);
@@ -1254,7 +1253,7 @@
}
EXPORT_SYMBOL_GPL(trace_vbprintk);
-int trace_vprintk(unsigned long ip, int depth, const char *fmt, va_list args)
+int trace_vprintk(unsigned long ip, const char *fmt, va_list args)
{
static raw_spinlock_t trace_buf_lock = __RAW_SPIN_LOCK_UNLOCKED;
static char trace_buf[TRACE_BUF_SIZE];
@@ -1291,7 +1290,6 @@
goto out_unlock;
entry = ring_buffer_event_data(event);
entry->ip = ip;
- entry->depth = depth;
memcpy(&entry->buf, trace_buf, len);
entry->buf[len] = 0;
@@ -3140,7 +3138,7 @@
int ret;
va_list args;
va_start(args, fmt);
- ret = trace_vprintk(0, -1, fmt, args);
+ ret = trace_vprintk(0, fmt, args);
va_end(args);
return ret;
}
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index 38276d1..7c9a0cb 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -123,7 +123,6 @@
struct bprint_entry {
struct trace_entry ent;
unsigned long ip;
- int depth;
const char *fmt;
u32 buf[];
};
@@ -131,7 +130,6 @@
struct print_entry {
struct trace_entry ent;
unsigned long ip;
- int depth;
char buf[];
};
@@ -598,9 +596,9 @@
extern void *head_page(struct trace_array_cpu *data);
extern long ns2usecs(cycle_t nsec);
extern int
-trace_vbprintk(unsigned long ip, int depth, const char *fmt, va_list args);
+trace_vbprintk(unsigned long ip, const char *fmt, va_list args);
extern int
-trace_vprintk(unsigned long ip, int depth, const char *fmt, va_list args);
+trace_vprintk(unsigned long ip, const char *fmt, va_list args);
extern unsigned long trace_flags;
diff --git a/kernel/trace/trace_event_types.h b/kernel/trace/trace_event_types.h
index 0199150..fd78bee 100644
--- a/kernel/trace/trace_event_types.h
+++ b/kernel/trace/trace_event_types.h
@@ -105,7 +105,6 @@
TRACE_EVENT_FORMAT(bprint, TRACE_BPRINT, bprint_entry, ignore,
TRACE_STRUCT(
TRACE_FIELD(unsigned long, ip, ip)
- TRACE_FIELD(unsigned int, depth, depth)
TRACE_FIELD(char *, fmt, fmt)
TRACE_FIELD_ZERO_CHAR(buf)
),
@@ -115,7 +114,6 @@
TRACE_EVENT_FORMAT(print, TRACE_PRINT, print_entry, ignore,
TRACE_STRUCT(
TRACE_FIELD(unsigned long, ip, ip)
- TRACE_FIELD(unsigned int, depth, depth)
TRACE_FIELD_ZERO_CHAR(buf)
),
TP_RAW_FMT("%08lx (%d) fmt:%p %s")
diff --git a/kernel/trace/trace_mmiotrace.c b/kernel/trace/trace_mmiotrace.c
index f095916..8e37fcd 100644
--- a/kernel/trace/trace_mmiotrace.c
+++ b/kernel/trace/trace_mmiotrace.c
@@ -359,5 +359,5 @@
int mmio_trace_printk(const char *fmt, va_list args)
{
- return trace_vprintk(0, -1, fmt, args);
+ return trace_vprintk(0, fmt, args);
}
diff --git a/kernel/trace/trace_printk.c b/kernel/trace/trace_printk.c
index 4867852..eb81556 100644
--- a/kernel/trace/trace_printk.c
+++ b/kernel/trace/trace_printk.c
@@ -112,7 +112,7 @@
return 0;
va_start(ap, fmt);
- ret = trace_vbprintk(ip, task_curr_ret_stack(current), fmt, ap);
+ ret = trace_vbprintk(ip, fmt, ap);
va_end(ap);
return ret;
}
@@ -126,7 +126,7 @@
if (!(trace_flags & TRACE_ITER_PRINTK))
return 0;
- return trace_vbprintk(ip, task_curr_ret_stack(current), fmt, ap);
+ return trace_vbprintk(ip, fmt, ap);
}
EXPORT_SYMBOL_GPL(__ftrace_vbprintk);
@@ -139,7 +139,7 @@
return 0;
va_start(ap, fmt);
- ret = trace_vprintk(ip, task_curr_ret_stack(current), fmt, ap);
+ ret = trace_vprintk(ip, fmt, ap);
va_end(ap);
return ret;
}
@@ -150,7 +150,7 @@
if (!(trace_flags & TRACE_ITER_PRINTK))
return 0;
- return trace_vprintk(ip, task_curr_ret_stack(current), fmt, ap);
+ return trace_vprintk(ip, fmt, ap);
}
EXPORT_SYMBOL_GPL(__ftrace_vprintk);