1 files changed, 105 insertions, 0 deletions
diff --git a/tools/perf/util/debug.c b/tools/perf/util/debug.c
new file mode 100644
index 00000000..26817daa
--- /dev/null
+++ b/tools/perf/util/debug.c
@@ -0,0 +1,105 @@
+/* For general debugging purposes */
+
+#include "../perf.h"
+
+#include <string.h>
+#include <stdarg.h>
+#include <stdio.h>
+
+#include "cache.h"
+#include "color.h"
+#include "event.h"
+#include "debug.h"
+#include "util.h"
+
+int verbose;
+bool dump_trace = false, quiet = false;
+
+int eprintf(int level, const char *fmt, ...)
+{
+	va_list args;
+	int ret = 0;
+
+	if (verbose >= level) {
+		va_start(args, fmt);
+		if (use_browser > 0)
+			ret = ui_helpline__show_help(fmt, args);
+		else
+			ret = vfprintf(stderr, fmt, args);
+		va_end(args);
+	}
+
+	return ret;
+}
+
+int dump_printf(const char *fmt, ...)
+{
+	va_list args;
+	int ret = 0;
+
+	if (dump_trace) {
+		va_start(args, fmt);
+		ret = vprintf(fmt, args);
+		va_end(args);
+	}
+
+	return ret;
+}
+
+#ifdef NO_NEWT_SUPPORT
+int ui__warning(const char *format, ...)
+{
+	va_list args;
+
+	va_start(args, format);
+	vfprintf(stderr, format, args);
+	va_end(args);
+	return 0;
+}
+#endif
+
+int ui__error_paranoid(void)
+{
+	return ui__error("Permission error - are you root?\n"
+		    "Consider tweaking /proc/sys/kernel/perf_event_paranoid:\n"
+		    " -1 - Not paranoid at all\n"
+		    "  0 - Disallow raw tracepoint access for unpriv\n"
+		    "  1 - Disallow cpu events for unpriv\n"
+		    "  2 - Disallow kernel profiling for unpriv\n");
+}
+
+void trace_event(union perf_event *event)
+{
+	unsigned char *raw_event = (void *)event;
+	const char *color = PERF_COLOR_BLUE;
+	int i, j;
+
+	if (!dump_trace)
+		return;
+
+	printf(".");
+	color_fprintf(stdout, color, "\n. ... raw event: size %d bytes\n",
+		      event->header.size);
+
+	for (i = 0; i < event->header.size; i++) {
+		if ((i & 15) == 0) {
+			printf(".");
+			color_fprintf(stdout, color, "  %04x: ", i);
+		}
+
+		color_fprintf(stdout, color, " %02x", raw_event[i]);
+
+		if (((i & 15) == 15) || i == event->header.size-1) {
+			color_fprintf(stdout, color, "  ");
+			for (j = 0; j < 15-(i & 15); j++)
+				color_fprintf(stdout, color, "   ");
+			for (j = i & ~15; j <= i; j++) {
+				color_fprintf(stdout, color, "%c",
+					      isprint(raw_event[j]) ?
+					      raw_event[j] : '.');
+			}
+			color_fprintf(stdout, color, "\n");
+		}
+	}
+	printf(".\n");
+}