1 /* For general debugging purposes */
17 #define NSECS_PER_SEC 1000000000ULL
18 #define NSECS_PER_USEC 1000ULL
21 bool dump_trace = false, quiet = false;
22 int debug_ordered_events;
23 static int redirect_to_stderr;
24 int debug_data_convert;
26 int veprintf(int level, int var, const char *fmt, va_list args)
31 if (use_browser >= 1 && !redirect_to_stderr)
32 ui_helpline__vshow(fmt, args);
34 ret = vfprintf(stderr, fmt, args);
40 int eprintf(int level, int var, const char *fmt, ...)
46 ret = veprintf(level, var, fmt, args);
52 static int veprintf_time(u64 t, const char *fmt, va_list args)
55 u64 secs, usecs, nsecs = t;
57 secs = nsecs / NSECS_PER_SEC;
58 nsecs -= secs * NSECS_PER_SEC;
59 usecs = nsecs / NSECS_PER_USEC;
61 ret = fprintf(stderr, "[%13" PRIu64 ".%06" PRIu64 "] ",
63 ret += vfprintf(stderr, fmt, args);
67 int eprintf_time(int level, int var, u64 t, const char *fmt, ...)
74 ret = veprintf_time(t, fmt, args);
82 * Overloading libtraceevent standard info print
83 * function, display with -v in perf.
85 void pr_stat(const char *fmt, ...)
90 veprintf(1, verbose, fmt, args);
92 eprintf(1, verbose, "\n");
95 int dump_printf(const char *fmt, ...)
102 ret = vprintf(fmt, args);
109 static void trace_event_printer(enum binary_printer_ops op,
110 unsigned int val, void *extra)
112 const char *color = PERF_COLOR_BLUE;
113 union perf_event *event = (union perf_event *)extra;
114 unsigned char ch = (unsigned char)val;
117 case BINARY_PRINT_DATA_BEGIN:
119 color_fprintf(stdout, color, "\n. ... raw event: size %d bytes\n",
122 case BINARY_PRINT_LINE_BEGIN:
125 case BINARY_PRINT_ADDR:
126 color_fprintf(stdout, color, " %04x: ", val);
128 case BINARY_PRINT_NUM_DATA:
129 color_fprintf(stdout, color, " %02x", val);
131 case BINARY_PRINT_NUM_PAD:
132 color_fprintf(stdout, color, " ");
134 case BINARY_PRINT_SEP:
135 color_fprintf(stdout, color, " ");
137 case BINARY_PRINT_CHAR_DATA:
138 color_fprintf(stdout, color, "%c",
139 isprint(ch) ? ch : '.');
141 case BINARY_PRINT_CHAR_PAD:
142 color_fprintf(stdout, color, " ");
144 case BINARY_PRINT_LINE_END:
145 color_fprintf(stdout, color, "\n");
147 case BINARY_PRINT_DATA_END:
155 void trace_event(union perf_event *event)
157 unsigned char *raw_event = (void *)event;
162 print_binary(raw_event, event->header.size, 16,
163 trace_event_printer, event);
166 static struct debug_variable {
169 } debug_variables[] = {
170 { .name = "verbose", .ptr = &verbose },
171 { .name = "ordered-events", .ptr = &debug_ordered_events},
172 { .name = "stderr", .ptr = &redirect_to_stderr},
173 { .name = "data-convert", .ptr = &debug_data_convert },
177 int perf_debug_option(const char *str)
179 struct debug_variable *var = &debug_variables[0];
180 char *vstr, *s = strdup(str);
183 vstr = strchr(s, '=');
188 if (!strcmp(s, var->name))
194 pr_err("Unknown debug variable name '%s'\n", s);
202 * Allow only values in range (0, 10),
205 v = (v < 0) || (v > 10) ? 0 : v;
213 #define DEBUG_WRAPPER(__n, __l) \
214 static int pr_ ## __n ## _wrapper(const char *fmt, ...) \
219 va_start(args, fmt); \
220 ret = veprintf(__l, verbose, fmt, args); \
225 DEBUG_WRAPPER(warning, 0);
226 DEBUG_WRAPPER(debug, 1);
228 void perf_debug_setup(void)
230 libapi_set_print(pr_warning_wrapper, pr_warning_wrapper, pr_debug_wrapper);