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> | |
8 | ||
f9224c5c | 9 | #include "cache.h" |
8f28827a FW |
10 | #include "color.h" |
11 | #include "event.h" | |
12 | #include "debug.h" | |
4a58e611 | 13 | #include "util.h" |
16ad2ffb | 14 | #include "target.h" |
8f28827a | 15 | |
cee3ab9c JO |
16 | #define NSECS_PER_SEC 1000000000ULL |
17 | #define NSECS_PER_USEC 1000ULL | |
18 | ||
b44308f5 ACM |
19 | int verbose; |
20 | bool dump_trace = false, quiet = false; | |
cee3ab9c | 21 | int debug_ordered_events; |
f78eaef0 | 22 | static int redirect_to_stderr; |
edbe9817 | 23 | int debug_data_convert; |
cd84c2ac | 24 | |
c95688aa | 25 | static int _eprintf(int level, int var, const char *fmt, va_list args) |
cd84c2ac | 26 | { |
cd84c2ac FW |
27 | int ret = 0; |
28 | ||
c95688aa | 29 | if (var >= level) { |
f78eaef0 | 30 | if (use_browser >= 1 && !redirect_to_stderr) |
b56e5331 | 31 | ui_helpline__vshow(fmt, args); |
f9224c5c ACM |
32 | else |
33 | ret = vfprintf(stderr, fmt, args); | |
cd84c2ac FW |
34 | } |
35 | ||
36 | return ret; | |
37 | } | |
2cec19d9 | 38 | |
0af0885e WN |
39 | int veprintf(int level, int var, const char *fmt, va_list args) |
40 | { | |
41 | return _eprintf(level, var, fmt, args); | |
42 | } | |
43 | ||
c95688aa | 44 | int eprintf(int level, int var, const char *fmt, ...) |
f772abc6 JO |
45 | { |
46 | va_list args; | |
47 | int ret; | |
48 | ||
49 | va_start(args, fmt); | |
c95688aa | 50 | ret = _eprintf(level, var, fmt, args); |
f772abc6 JO |
51 | va_end(args); |
52 | ||
53 | return ret; | |
54 | } | |
55 | ||
cee3ab9c JO |
56 | static int __eprintf_time(u64 t, const char *fmt, va_list args) |
57 | { | |
58 | int ret = 0; | |
59 | u64 secs, usecs, nsecs = t; | |
60 | ||
61 | secs = nsecs / NSECS_PER_SEC; | |
62 | nsecs -= secs * NSECS_PER_SEC; | |
63 | usecs = nsecs / NSECS_PER_USEC; | |
64 | ||
65 | ret = fprintf(stderr, "[%13" PRIu64 ".%06" PRIu64 "] ", | |
66 | secs, usecs); | |
67 | ret += vfprintf(stderr, fmt, args); | |
68 | return ret; | |
69 | } | |
70 | ||
71 | int eprintf_time(int level, int var, u64 t, const char *fmt, ...) | |
72 | { | |
73 | int ret = 0; | |
74 | va_list args; | |
75 | ||
76 | if (var >= level) { | |
77 | va_start(args, fmt); | |
78 | ret = __eprintf_time(t, fmt, args); | |
79 | va_end(args); | |
80 | } | |
81 | ||
82 | return ret; | |
83 | } | |
84 | ||
f772abc6 JO |
85 | /* |
86 | * Overloading libtraceevent standard info print | |
87 | * function, display with -v in perf. | |
88 | */ | |
89 | void pr_stat(const char *fmt, ...) | |
90 | { | |
91 | va_list args; | |
92 | ||
93 | va_start(args, fmt); | |
c95688aa | 94 | _eprintf(1, verbose, fmt, args); |
f772abc6 | 95 | va_end(args); |
c95688aa | 96 | eprintf(1, verbose, "\n"); |
f772abc6 JO |
97 | } |
98 | ||
2cec19d9 FW |
99 | int dump_printf(const char *fmt, ...) |
100 | { | |
101 | va_list args; | |
102 | int ret = 0; | |
103 | ||
104 | if (dump_trace) { | |
105 | va_start(args, fmt); | |
106 | ret = vprintf(fmt, args); | |
107 | va_end(args); | |
108 | } | |
109 | ||
110 | return ret; | |
111 | } | |
8f28827a | 112 | |
8115d60c | 113 | void trace_event(union perf_event *event) |
8f28827a FW |
114 | { |
115 | unsigned char *raw_event = (void *)event; | |
116 | const char *color = PERF_COLOR_BLUE; | |
117 | int i, j; | |
118 | ||
119 | if (!dump_trace) | |
120 | return; | |
121 | ||
5b1c1444 ACM |
122 | printf("."); |
123 | color_fprintf(stdout, color, "\n. ... raw event: size %d bytes\n", | |
124 | event->header.size); | |
8f28827a FW |
125 | |
126 | for (i = 0; i < event->header.size; i++) { | |
127 | if ((i & 15) == 0) { | |
5b1c1444 ACM |
128 | printf("."); |
129 | color_fprintf(stdout, color, " %04x: ", i); | |
8f28827a FW |
130 | } |
131 | ||
5b1c1444 | 132 | color_fprintf(stdout, color, " %02x", raw_event[i]); |
8f28827a FW |
133 | |
134 | if (((i & 15) == 15) || i == event->header.size-1) { | |
5b1c1444 | 135 | color_fprintf(stdout, color, " "); |
8f28827a | 136 | for (j = 0; j < 15-(i & 15); j++) |
5b1c1444 | 137 | color_fprintf(stdout, color, " "); |
84c104ad | 138 | for (j = i & ~15; j <= i; j++) { |
5b1c1444 ACM |
139 | color_fprintf(stdout, color, "%c", |
140 | isprint(raw_event[j]) ? | |
141 | raw_event[j] : '.'); | |
8f28827a | 142 | } |
5b1c1444 | 143 | color_fprintf(stdout, color, "\n"); |
8f28827a FW |
144 | } |
145 | } | |
5b1c1444 | 146 | printf(".\n"); |
8f28827a | 147 | } |
bbb2cea7 JO |
148 | |
149 | static struct debug_variable { | |
150 | const char *name; | |
151 | int *ptr; | |
152 | } debug_variables[] = { | |
cee3ab9c JO |
153 | { .name = "verbose", .ptr = &verbose }, |
154 | { .name = "ordered-events", .ptr = &debug_ordered_events}, | |
f78eaef0 | 155 | { .name = "stderr", .ptr = &redirect_to_stderr}, |
edbe9817 | 156 | { .name = "data-convert", .ptr = &debug_data_convert }, |
bbb2cea7 JO |
157 | { .name = NULL, } |
158 | }; | |
159 | ||
160 | int perf_debug_option(const char *str) | |
161 | { | |
162 | struct debug_variable *var = &debug_variables[0]; | |
163 | char *vstr, *s = strdup(str); | |
164 | int v = 1; | |
165 | ||
166 | vstr = strchr(s, '='); | |
167 | if (vstr) | |
168 | *vstr++ = 0; | |
169 | ||
170 | while (var->name) { | |
171 | if (!strcmp(s, var->name)) | |
172 | break; | |
173 | var++; | |
174 | } | |
175 | ||
176 | if (!var->name) { | |
177 | pr_err("Unknown debug variable name '%s'\n", s); | |
178 | free(s); | |
179 | return -1; | |
180 | } | |
181 | ||
182 | if (vstr) { | |
183 | v = atoi(vstr); | |
184 | /* | |
185 | * Allow only values in range (0, 10), | |
186 | * otherwise set 0. | |
187 | */ | |
188 | v = (v < 0) || (v > 10) ? 0 : v; | |
189 | } | |
190 | ||
191 | *var->ptr = v; | |
192 | free(s); | |
193 | return 0; | |
194 | } |