1 /* For general debugging purposes */ 2 3 #include "../perf.h" 4 5 #include <string.h> 6 #include <stdarg.h> 7 #include <stdio.h> 8 9 #include "cache.h" 10 #include "color.h" 11 #include "event.h" 12 #include "debug.h" 13 #include "util.h" 14 15 int verbose; 16 bool dump_trace = false, quiet = false; 17 18 int eprintf(int level, const char *fmt, ...) 19 { 20 va_list args; 21 int ret = 0; 22 23 if (verbose >= level) { 24 va_start(args, fmt); 25 if (use_browser > 0) 26 ret = ui_helpline__show_help(fmt, args); 27 else 28 ret = vfprintf(stderr, fmt, args); 29 va_end(args); 30 } 31 32 return ret; 33 } 34 35 int dump_printf(const char *fmt, ...) 36 { 37 va_list args; 38 int ret = 0; 39 40 if (dump_trace) { 41 va_start(args, fmt); 42 ret = vprintf(fmt, args); 43 va_end(args); 44 } 45 46 return ret; 47 } 48 49 #ifdef NO_NEWT_SUPPORT 50 int ui__warning(const char *format, ...) 51 { 52 va_list args; 53 54 va_start(args, format); 55 vfprintf(stderr, format, args); 56 va_end(args); 57 return 0; 58 } 59 #endif 60 61 int ui__error_paranoid(void) 62 { 63 return ui__error("Permission error - are you root?\n" 64 "Consider tweaking /proc/sys/kernel/perf_event_paranoid:\n" 65 " -1 - Not paranoid at all\n" 66 " 0 - Disallow raw tracepoint access for unpriv\n" 67 " 1 - Disallow cpu events for unpriv\n" 68 " 2 - Disallow kernel profiling for unpriv\n"); 69 } 70 71 void trace_event(union perf_event *event) 72 { 73 unsigned char *raw_event = (void *)event; 74 const char *color = PERF_COLOR_BLUE; 75 int i, j; 76 77 if (!dump_trace) 78 return; 79 80 printf("."); 81 color_fprintf(stdout, color, "\n. ... raw event: size %d bytes\n", 82 event->header.size); 83 84 for (i = 0; i < event->header.size; i++) { 85 if ((i & 15) == 0) { 86 printf("."); 87 color_fprintf(stdout, color, " %04x: ", i); 88 } 89 90 color_fprintf(stdout, color, " %02x", raw_event[i]); 91 92 if (((i & 15) == 15) || i == event->header.size-1) { 93 color_fprintf(stdout, color, " "); 94 for (j = 0; j < 15-(i & 15); j++) 95 color_fprintf(stdout, color, " "); 96 for (j = i & ~15; j <= i; j++) { 97 color_fprintf(stdout, color, "%c", 98 isprint(raw_event[j]) ? 99 raw_event[j] : '.'); 100 } 101 color_fprintf(stdout, color, "\n"); 102 } 103 } 104 printf(".\n"); 105 } 106