Commit | Line | Data |
---|---|---|
cd84c2ac FW |
1 | /* For general debugging purposes */ |
2 | ||
3 | #include "../perf.h" | |
8f28827a | 4 | |
cd84c2ac FW |
5 | #include <string.h> |
6 | #include <stdarg.h> | |
7 | #include <stdio.h> | |
dd629cc0 | 8 | #include <api/debug.h> |
cd84c2ac | 9 | |
f9224c5c | 10 | #include "cache.h" |
8f28827a FW |
11 | #include "color.h" |
12 | #include "event.h" | |
13 | #include "debug.h" | |
4a58e611 | 14 | #include "util.h" |
16ad2ffb | 15 | #include "target.h" |
8f28827a | 16 | |
cee3ab9c JO |
17 | #define NSECS_PER_SEC 1000000000ULL |
18 | #define NSECS_PER_USEC 1000ULL | |
19 | ||
b44308f5 ACM |
20 | int verbose; |
21 | bool dump_trace = false, quiet = false; | |
cee3ab9c | 22 | int debug_ordered_events; |
f78eaef0 | 23 | static int redirect_to_stderr; |
edbe9817 | 24 | int debug_data_convert; |
cd84c2ac | 25 | |
bedbdd42 | 26 | int veprintf(int level, int var, const char *fmt, va_list args) |
cd84c2ac | 27 | { |
cd84c2ac FW |
28 | int ret = 0; |
29 | ||
c95688aa | 30 | if (var >= level) { |
f78eaef0 | 31 | if (use_browser >= 1 && !redirect_to_stderr) |
b56e5331 | 32 | ui_helpline__vshow(fmt, args); |
f9224c5c ACM |
33 | else |
34 | ret = vfprintf(stderr, fmt, args); | |
cd84c2ac FW |
35 | } |
36 | ||
37 | return ret; | |
38 | } | |
2cec19d9 | 39 | |
c95688aa | 40 | int eprintf(int level, int var, const char *fmt, ...) |
f772abc6 JO |
41 | { |
42 | va_list args; | |
43 | int ret; | |
44 | ||
45 | va_start(args, fmt); | |
bedbdd42 | 46 | ret = veprintf(level, var, fmt, args); |
f772abc6 JO |
47 | va_end(args); |
48 | ||
49 | return ret; | |
50 | } | |
51 | ||
bedbdd42 | 52 | static int veprintf_time(u64 t, const char *fmt, va_list args) |
cee3ab9c JO |
53 | { |
54 | int ret = 0; | |
55 | u64 secs, usecs, nsecs = t; | |
56 | ||
57 | secs = nsecs / NSECS_PER_SEC; | |
58 | nsecs -= secs * NSECS_PER_SEC; | |
59 | usecs = nsecs / NSECS_PER_USEC; | |
60 | ||
61 | ret = fprintf(stderr, "[%13" PRIu64 ".%06" PRIu64 "] ", | |
62 | secs, usecs); | |
63 | ret += vfprintf(stderr, fmt, args); | |
64 | return ret; | |
65 | } | |
66 | ||
67 | int eprintf_time(int level, int var, u64 t, const char *fmt, ...) | |
68 | { | |
69 | int ret = 0; | |
70 | va_list args; | |
71 | ||
72 | if (var >= level) { | |
73 | va_start(args, fmt); | |
bedbdd42 | 74 | ret = veprintf_time(t, fmt, args); |
cee3ab9c JO |
75 | va_end(args); |
76 | } | |
77 | ||
78 | return ret; | |
79 | } | |
80 | ||
f772abc6 JO |
81 | /* |
82 | * Overloading libtraceevent standard info print | |
83 | * function, display with -v in perf. | |
84 | */ | |
85 | void pr_stat(const char *fmt, ...) | |
86 | { | |
87 | va_list args; | |
88 | ||
89 | va_start(args, fmt); | |
bedbdd42 | 90 | veprintf(1, verbose, fmt, args); |
f772abc6 | 91 | va_end(args); |
c95688aa | 92 | eprintf(1, verbose, "\n"); |
f772abc6 JO |
93 | } |
94 | ||
2cec19d9 FW |
95 | int dump_printf(const char *fmt, ...) |
96 | { | |
97 | va_list args; | |
98 | int ret = 0; | |
99 | ||
100 | if (dump_trace) { | |
101 | va_start(args, fmt); | |
102 | ret = vprintf(fmt, args); | |
103 | va_end(args); | |
104 | } | |
105 | ||
106 | return ret; | |
107 | } | |
8f28827a | 108 | |
c339b1a9 WN |
109 | static void trace_event_printer(enum binary_printer_ops op, |
110 | unsigned int val, void *extra) | |
111 | { | |
112 | const char *color = PERF_COLOR_BLUE; | |
113 | union perf_event *event = (union perf_event *)extra; | |
114 | unsigned char ch = (unsigned char)val; | |
115 | ||
116 | switch (op) { | |
117 | case BINARY_PRINT_DATA_BEGIN: | |
118 | printf("."); | |
119 | color_fprintf(stdout, color, "\n. ... raw event: size %d bytes\n", | |
120 | event->header.size); | |
121 | break; | |
122 | case BINARY_PRINT_LINE_BEGIN: | |
123 | printf("."); | |
124 | break; | |
125 | case BINARY_PRINT_ADDR: | |
126 | color_fprintf(stdout, color, " %04x: ", val); | |
127 | break; | |
128 | case BINARY_PRINT_NUM_DATA: | |
129 | color_fprintf(stdout, color, " %02x", val); | |
130 | break; | |
131 | case BINARY_PRINT_NUM_PAD: | |
132 | color_fprintf(stdout, color, " "); | |
133 | break; | |
134 | case BINARY_PRINT_SEP: | |
135 | color_fprintf(stdout, color, " "); | |
136 | break; | |
137 | case BINARY_PRINT_CHAR_DATA: | |
138 | color_fprintf(stdout, color, "%c", | |
139 | isprint(ch) ? ch : '.'); | |
140 | break; | |
141 | case BINARY_PRINT_CHAR_PAD: | |
142 | color_fprintf(stdout, color, " "); | |
143 | break; | |
144 | case BINARY_PRINT_LINE_END: | |
145 | color_fprintf(stdout, color, "\n"); | |
146 | break; | |
147 | case BINARY_PRINT_DATA_END: | |
148 | printf("\n"); | |
149 | break; | |
150 | default: | |
151 | break; | |
152 | } | |
153 | } | |
154 | ||
8115d60c | 155 | void trace_event(union perf_event *event) |
8f28827a FW |
156 | { |
157 | unsigned char *raw_event = (void *)event; | |
8f28827a FW |
158 | |
159 | if (!dump_trace) | |
160 | return; | |
161 | ||
c339b1a9 WN |
162 | print_binary(raw_event, event->header.size, 16, |
163 | trace_event_printer, event); | |
8f28827a | 164 | } |
bbb2cea7 JO |
165 | |
166 | static struct debug_variable { | |
167 | const char *name; | |
168 | int *ptr; | |
169 | } debug_variables[] = { | |
cee3ab9c JO |
170 | { .name = "verbose", .ptr = &verbose }, |
171 | { .name = "ordered-events", .ptr = &debug_ordered_events}, | |
f78eaef0 | 172 | { .name = "stderr", .ptr = &redirect_to_stderr}, |
edbe9817 | 173 | { .name = "data-convert", .ptr = &debug_data_convert }, |
bbb2cea7 JO |
174 | { .name = NULL, } |
175 | }; | |
176 | ||
177 | int perf_debug_option(const char *str) | |
178 | { | |
179 | struct debug_variable *var = &debug_variables[0]; | |
180 | char *vstr, *s = strdup(str); | |
181 | int v = 1; | |
182 | ||
183 | vstr = strchr(s, '='); | |
184 | if (vstr) | |
185 | *vstr++ = 0; | |
186 | ||
187 | while (var->name) { | |
188 | if (!strcmp(s, var->name)) | |
189 | break; | |
190 | var++; | |
191 | } | |
192 | ||
193 | if (!var->name) { | |
194 | pr_err("Unknown debug variable name '%s'\n", s); | |
195 | free(s); | |
196 | return -1; | |
197 | } | |
198 | ||
199 | if (vstr) { | |
200 | v = atoi(vstr); | |
201 | /* | |
202 | * Allow only values in range (0, 10), | |
203 | * otherwise set 0. | |
204 | */ | |
205 | v = (v < 0) || (v > 10) ? 0 : v; | |
206 | } | |
207 | ||
208 | *var->ptr = v; | |
209 | free(s); | |
210 | return 0; | |
211 | } | |
dd629cc0 JO |
212 | |
213 | #define DEBUG_WRAPPER(__n, __l) \ | |
214 | static int pr_ ## __n ## _wrapper(const char *fmt, ...) \ | |
215 | { \ | |
216 | va_list args; \ | |
217 | int ret; \ | |
218 | \ | |
219 | va_start(args, fmt); \ | |
220 | ret = veprintf(__l, verbose, fmt, args); \ | |
221 | va_end(args); \ | |
222 | return ret; \ | |
223 | } | |
224 | ||
225 | DEBUG_WRAPPER(warning, 0); | |
226 | DEBUG_WRAPPER(debug, 1); | |
227 | ||
228 | void perf_debug_setup(void) | |
229 | { | |
230 | libapi_set_print(pr_warning_wrapper, pr_warning_wrapper, pr_debug_wrapper); | |
231 | } |