Merge remote-tracking branches 'regulator/topic/88pm800', 'regulator/topic/ab8500...

[cascardo/linux.git] / kernel / trace / trace.c

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index f243444..291397e 100644 (file)
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -466,6 +466,12 @@ int __trace_puts(unsigned long ip, const char *str, int size)
        struct print_entry *entry;
        unsigned long irq_flags;
        int alloc;
+       int pc;
+
+       if (!(trace_flags & TRACE_ITER_PRINTK))
+               return 0;
+
+       pc = preempt_count();
 
        if (unlikely(tracing_selftest_running || tracing_disabled))
                return 0;
@@ -475,7 +481,7 @@ int __trace_puts(unsigned long ip, const char *str, int size)
        local_save_flags(irq_flags);
        buffer = global_trace.trace_buffer.buffer;
        event = trace_buffer_lock_reserve(buffer, TRACE_PRINT, alloc, 
-                                         irq_flags, preempt_count());
+                                         irq_flags, pc);
        if (!event)
                return 0;
 
@@ -492,6 +498,7 @@ int __trace_puts(unsigned long ip, const char *str, int size)
                entry->buf[size] = '\0';
 
        __buffer_unlock_commit(buffer, event);
+       ftrace_trace_stack(buffer, irq_flags, 4, pc);
 
        return size;
 }
@@ -509,6 +516,12 @@ int __trace_bputs(unsigned long ip, const char *str)
        struct bputs_entry *entry;
        unsigned long irq_flags;
        int size = sizeof(struct bputs_entry);
+       int pc;
+
+       if (!(trace_flags & TRACE_ITER_PRINTK))
+               return 0;
+
+       pc = preempt_count();
 
        if (unlikely(tracing_selftest_running || tracing_disabled))
                return 0;
@@ -516,7 +529,7 @@ int __trace_bputs(unsigned long ip, const char *str)
        local_save_flags(irq_flags);
        buffer = global_trace.trace_buffer.buffer;
        event = trace_buffer_lock_reserve(buffer, TRACE_BPUTS, size,
-                                         irq_flags, preempt_count());
+                                         irq_flags, pc);
        if (!event)
                return 0;
 
@@ -525,6 +538,7 @@ int __trace_bputs(unsigned long ip, const char *str)
        entry->str                      = str;
 
        __buffer_unlock_commit(buffer, event);
+       ftrace_trace_stack(buffer, irq_flags, 4, pc);
 
        return 1;
 }
@@ -809,7 +823,7 @@ static struct {
        { trace_clock_local,    "local",        1 },
        { trace_clock_global,   "global",       1 },
        { trace_clock_counter,  "counter",      0 },
-       { trace_clock_jiffies,  "uptime",       1 },
+       { trace_clock_jiffies,  "uptime",       0 },
        { trace_clock,          "perf",         1 },
        ARCH_TRACE_CLOCKS
 };