linux/tools/perf/util/debug.c
Namhyung Kim 0985a94891 perf ui gtk: Add perf_gtk__show_helpline() for pr_*
Use helpline for printing error/debug messages. The code resembles a TUI
counter part and only print the first line of the message.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Pekka Enberg <penberg@kernel.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1345104894-14205-5-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2012-08-17 12:37:56 -03:00

109 lines
2.2 KiB
C

/* 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"
int verbose;
bool dump_trace = false, quiet = false;
int eprintf(int level, const char *fmt, ...)
{
va_list args;
int ret = 0;
if (verbose >= level) {
va_start(args, fmt);
if (use_browser == 1)
ret = ui_helpline__show_help(fmt, args);
else if (use_browser == 2)
ret = perf_gtk__show_helpline(fmt, args);
else
ret = vfprintf(stderr, fmt, args);
va_end(args);
}
return ret;
}
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;
}
#if defined(NO_NEWT_SUPPORT) && defined(NO_GTK2_SUPPORT)
int ui__warning(const char *format, ...)
{
va_list args;
va_start(args, format);
vfprintf(stderr, format, args);
va_end(args);
return 0;
}
#endif
int ui__error_paranoid(void)
{
return ui__error("Permission error - are you root?\n"
"Consider tweaking /proc/sys/kernel/perf_event_paranoid:\n"
" -1 - Not paranoid at all\n"
" 0 - Disallow raw tracepoint access for unpriv\n"
" 1 - Disallow cpu events for unpriv\n"
" 2 - Disallow kernel profiling for unpriv\n");
}
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");
}