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 void 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 } 58 #endif 59 60 void ui__warning_paranoid(void) 61 { 62 ui__warning("Permission error - are you root?\n" 63 "Consider tweaking /proc/sys/kernel/perf_event_paranoid:\n" 64 " -1 - Not paranoid at all\n" 65 " 0 - Disallow raw tracepoint access for unpriv\n" 66 " 1 - Disallow cpu events for unpriv\n" 67 " 2 - Disallow kernel profiling for unpriv\n"); 68 } 69 70 void trace_event(union perf_event *event) 71 { 72 unsigned char *raw_event = (void *)event; 73 const char *color = PERF_COLOR_BLUE; 74 int i, j; 75 76 if (!dump_trace) 77 return; 78 79 printf("."); 80 color_fprintf(stdout, color, "\n. ... raw event: size %d bytes\n", 81 event->header.size); 82 83 for (i = 0; i < event->header.size; i++) { 84 if ((i & 15) == 0) { 85 printf("."); 86 color_fprintf(stdout, color, " %04x: ", i); 87 } 88 89 color_fprintf(stdout, color, " %02x", raw_event[i]); 90 91 if (((i & 15) == 15) || i == event->header.size-1) { 92 color_fprintf(stdout, color, " "); 93 for (j = 0; j < 15-(i & 15); j++) 94 color_fprintf(stdout, color, " "); 95 for (j = i & ~15; j <= i; j++) { 96 color_fprintf(stdout, color, "%c", 97 isprint(raw_event[j]) ? 98 raw_event[j] : '.'); 99 } 100 color_fprintf(stdout, color, "\n"); 101 } 102 } 103 printf(".\n"); 104 } 105