It disables buffering of strings passed to trace_printf().
Signed-off-by: Tomek Grabiec <[email protected]>
---
include/vm/trace.h | 2 ++
vm/jato.c | 7 +++++++
vm/trace.c | 9 ++++++++-
3 files changed, 17 insertions(+), 1 deletions(-)
diff --git a/include/vm/trace.h b/include/vm/trace.h
index 79959ea..18bdfca 100644
--- a/include/vm/trace.h
+++ b/include/vm/trace.h
@@ -1,6 +1,8 @@
#ifndef _VM_TRACE_H
#define _VM_TRACE_H
+extern bool nobuf_enabled;
+
int trace_printf(const char *fmt, ...);
void trace_flush(void);
diff --git a/vm/jato.c b/vm/jato.c
index 924ee24..83eb82d 100644
--- a/vm/jato.c
+++ b/vm/jato.c
@@ -70,6 +70,7 @@
#include "vm/string.h"
#include "vm/system.h"
#include "vm/thread.h"
+#include "vm/trace.h"
#include "vm/unsafe.h"
#include "vm/class.h"
#include "vm/call.h"
@@ -943,6 +944,11 @@ static void handle_jar(const char *arg)
classloader_add_to_classpath(arg);
}
+static void handle_nobuf(void)
+{
+ nobuf_enabled = true;
+}
+
static void handle_perf(void)
{
perf_enabled = true;
@@ -1097,6 +1103,7 @@ const struct option options[] = {
DEFINE_OPTION_ARG("cp", handle_classpath),
DEFINE_OPTION_ARG("jar", handle_jar),
+ DEFINE_OPTION("Xnobuf", handle_nobuf),
DEFINE_OPTION("Xperf", handle_perf),
DEFINE_OPTION_ARG("Xtrace:method", handle_trace_method),
diff --git a/vm/trace.c b/vm/trace.c
index 2172b7e..d7f1f6a 100644
--- a/vm/trace.c
+++ b/vm/trace.c
@@ -36,6 +36,8 @@
#include "vm/thread.h"
#include "vm/trace.h"
+bool nobuf_enabled;
+
static pthread_mutex_t trace_mutex = PTHREAD_MUTEX_INITIALIZER;
static __thread struct string *trace_buffer = NULL;
@@ -58,7 +60,12 @@ int trace_printf(const char *fmt, ...)
ensure_trace_buffer();
va_start(args, fmt);
- err = str_vappend(trace_buffer, fmt, args);
+
+ if (nobuf_enabled)
+ err = vprintf(fmt, args);
+ else
+ err = str_vappend(trace_buffer, fmt, args);
+
va_end(args);
return err;
}
--
1.6.3.3
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