1 /* For general debugging purposes */
9 #include <linux/time64.h>
19 bool dump_trace = false, quiet = false;
20 int debug_ordered_events;
21 static int redirect_to_stderr;
22 int debug_data_convert;
24 int veprintf(int level, int var, const char *fmt, va_list args)
29 if (use_browser >= 1 && !redirect_to_stderr)
30 ui_helpline__vshow(fmt, args);
32 ret = vfprintf(stderr, fmt, args);
38 int eprintf(int level, int var, const char *fmt, ...)
44 ret = veprintf(level, var, fmt, args);
50 static int veprintf_time(u64 t, const char *fmt, va_list args)
53 u64 secs, usecs, nsecs = t;
55 secs = nsecs / NSEC_PER_SEC;
56 nsecs -= secs * NSEC_PER_SEC;
57 usecs = nsecs / NSEC_PER_USEC;
59 ret = fprintf(stderr, "[%13" PRIu64 ".%06" PRIu64 "] ",
61 ret += vfprintf(stderr, fmt, args);
65 int eprintf_time(int level, int var, u64 t, const char *fmt, ...)
72 ret = veprintf_time(t, fmt, args);
80 * Overloading libtraceevent standard info print
81 * function, display with -v in perf.
83 void pr_stat(const char *fmt, ...)
88 veprintf(1, verbose, fmt, args);
90 eprintf(1, verbose, "\n");
93 int dump_printf(const char *fmt, ...)
100 ret = vprintf(fmt, args);
107 static void trace_event_printer(enum binary_printer_ops op,
108 unsigned int val, void *extra)
110 const char *color = PERF_COLOR_BLUE;
111 union perf_event *event = (union perf_event *)extra;
112 unsigned char ch = (unsigned char)val;
115 case BINARY_PRINT_DATA_BEGIN:
117 color_fprintf(stdout, color, "\n. ... raw event: size %d bytes\n",
120 case BINARY_PRINT_LINE_BEGIN:
123 case BINARY_PRINT_ADDR:
124 color_fprintf(stdout, color, " %04x: ", val);
126 case BINARY_PRINT_NUM_DATA:
127 color_fprintf(stdout, color, " %02x", val);
129 case BINARY_PRINT_NUM_PAD:
130 color_fprintf(stdout, color, " ");
132 case BINARY_PRINT_SEP:
133 color_fprintf(stdout, color, " ");
135 case BINARY_PRINT_CHAR_DATA:
136 color_fprintf(stdout, color, "%c",
137 isprint(ch) ? ch : '.');
139 case BINARY_PRINT_CHAR_PAD:
140 color_fprintf(stdout, color, " ");
142 case BINARY_PRINT_LINE_END:
143 color_fprintf(stdout, color, "\n");
145 case BINARY_PRINT_DATA_END:
153 void trace_event(union perf_event *event)
155 unsigned char *raw_event = (void *)event;
160 print_binary(raw_event, event->header.size, 16,
161 trace_event_printer, event);
164 static struct debug_variable {
167 } debug_variables[] = {
168 { .name = "verbose", .ptr = &verbose },
169 { .name = "ordered-events", .ptr = &debug_ordered_events},
170 { .name = "stderr", .ptr = &redirect_to_stderr},
171 { .name = "data-convert", .ptr = &debug_data_convert },
175 int perf_debug_option(const char *str)
177 struct debug_variable *var = &debug_variables[0];
178 char *vstr, *s = strdup(str);
181 vstr = strchr(s, '=');
186 if (!strcmp(s, var->name))
192 pr_err("Unknown debug variable name '%s'\n", s);
200 * Allow only values in range (0, 10),
203 v = (v < 0) || (v > 10) ? 0 : v;
211 #define DEBUG_WRAPPER(__n, __l) \
212 static int pr_ ## __n ## _wrapper(const char *fmt, ...) \
217 va_start(args, fmt); \
218 ret = veprintf(__l, verbose, fmt, args); \
223 DEBUG_WRAPPER(warning, 0);
224 DEBUG_WRAPPER(debug, 1);
226 void perf_debug_setup(void)
228 libapi_set_print(pr_warning_wrapper, pr_warning_wrapper, pr_debug_wrapper);