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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 | /* 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" #include "target.h" #define NSECS_PER_SEC 1000000000ULL #define NSECS_PER_USEC 1000ULL int verbose; bool dump_trace = false, quiet = false; int debug_ordered_events; static int _eprintf(int level, int var, const char *fmt, va_list args) { int ret = 0; if (var >= level) { if (use_browser >= 1) ui_helpline__vshow(fmt, args); else ret = vfprintf(stderr, fmt, args); } return ret; } int eprintf(int level, int var, const char *fmt, ...) { va_list args; int ret; va_start(args, fmt); ret = _eprintf(level, var, fmt, args); va_end(args); return ret; } static int __eprintf_time(u64 t, const char *fmt, va_list args) { int ret = 0; u64 secs, usecs, nsecs = t; secs = nsecs / NSECS_PER_SEC; nsecs -= secs * NSECS_PER_SEC; usecs = nsecs / NSECS_PER_USEC; ret = fprintf(stderr, "[%13" PRIu64 ".%06" PRIu64 "] ", secs, usecs); ret += vfprintf(stderr, fmt, args); return ret; } int eprintf_time(int level, int var, u64 t, const char *fmt, ...) { int ret = 0; va_list args; if (var >= level) { va_start(args, fmt); ret = __eprintf_time(t, fmt, args); va_end(args); } return ret; } /* * Overloading libtraceevent standard info print * function, display with -v in perf. */ void pr_stat(const char *fmt, ...) { va_list args; va_start(args, fmt); _eprintf(1, verbose, fmt, args); va_end(args); eprintf(1, verbose, "\n"); } 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; } 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"); } static struct debug_variable { const char *name; int *ptr; } debug_variables[] = { { .name = "verbose", .ptr = &verbose }, { .name = "ordered-events", .ptr = &debug_ordered_events}, { .name = NULL, } }; int perf_debug_option(const char *str) { struct debug_variable *var = &debug_variables[0]; char *vstr, *s = strdup(str); int v = 1; vstr = strchr(s, '='); if (vstr) *vstr++ = 0; while (var->name) { if (!strcmp(s, var->name)) break; var++; } if (!var->name) { pr_err("Unknown debug variable name '%s'\n", s); free(s); return -1; } if (vstr) { v = atoi(vstr); /* * Allow only values in range (0, 10), * otherwise set 0. */ v = (v < 0) || (v > 10) ? 0 : v; } *var->ptr = v; free(s); return 0; } |