Release 4.11 tools/perf/util/debug.c
/* For general debugging purposes */
#include "../perf.h"
#include <string.h>
#include <stdarg.h>
#include <stdio.h>
#include <api/debug.h>
#include <linux/time64.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 debug_ordered_events;
static int redirect_to_stderr;
int debug_data_convert;
int veprintf(int level, int var, const char *fmt, va_list args)
{
int ret = 0;
if (var >= level) {
if (use_browser >= 1 && !redirect_to_stderr)
ui_helpline__vshow(fmt, args);
else
ret = vfprintf(stderr, fmt, args);
}
return ret;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Frédéric Weisbecker | 34 | 53.97% | 1 | 10.00% |
| Arnaldo Carvalho de Melo | 12 | 19.05% | 4 | 40.00% |
| Namhyung Kim | 8 | 12.70% | 2 | 20.00% |
| Jiri Olsa | 6 | 9.52% | 2 | 20.00% |
| Andi Kleen | 3 | 4.76% | 1 | 10.00% |
| Total | 63 | 100.00% | 10 | 100.00% |
int eprintf(int level, int var, const char *fmt, ...)
{
va_list args;
int ret;
va_start(args, fmt);
ret = veprintf(level, var, fmt, args);
va_end(args);
return ret;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Jiri Olsa | 51 | 98.08% | 2 | 66.67% |
| Arnaldo Carvalho de Melo | 1 | 1.92% | 1 | 33.33% |
| Total | 52 | 100.00% | 3 | 100.00% |
static int veprintf_time(u64 t, const char *fmt, va_list args)
{
int ret = 0;
u64 secs, usecs, nsecs = t;
secs = nsecs / NSEC_PER_SEC;
nsecs -= secs * NSEC_PER_SEC;
usecs = nsecs / NSEC_PER_USEC;
ret = fprintf(stderr, "[%13" PRIu64 ".%06" PRIu64 "] ",
secs, usecs);
ret += vfprintf(stderr, fmt, args);
return ret;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Jiri Olsa | 76 | 95.00% | 1 | 33.33% |
| Arnaldo Carvalho de Melo | 4 | 5.00% | 2 | 66.67% |
| Total | 80 | 100.00% | 3 | 100.00% |
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 = veprintf_time(t, fmt, args);
va_end(args);
}
return ret;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Jiri Olsa | 62 | 98.41% | 1 | 50.00% |
| Arnaldo Carvalho de Melo | 1 | 1.59% | 1 | 50.00% |
| Total | 63 | 100.00% | 2 | 100.00% |
/*
* Overloading libtraceevent standard info print
* function, display with -v in perf.
*/
void pr_stat(const char *fmt, ...)
{
va_list args;
va_start(args, fmt);
veprintf(1, verbose, fmt, args);
va_end(args);
eprintf(1, verbose, "\n");
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Jiri Olsa | 46 | 97.87% | 2 | 66.67% |
| Arnaldo Carvalho de Melo | 1 | 2.13% | 1 | 33.33% |
| Total | 47 | 100.00% | 3 | 100.00% |
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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Frédéric Weisbecker | 50 | 100.00% | 1 | 100.00% |
| Total | 50 | 100.00% | 1 | 100.00% |
static void trace_event_printer(enum binary_printer_ops op,
unsigned int val, void *extra)
{
const char *color = PERF_COLOR_BLUE;
union perf_event *event = (union perf_event *)extra;
unsigned char ch = (unsigned char)val;
switch (op) {
case BINARY_PRINT_DATA_BEGIN:
printf(".");
color_fprintf(stdout, color, "\n. ... raw event: size %d bytes\n",
event->header.size);
break;
case BINARY_PRINT_LINE_BEGIN:
printf(".");
break;
case BINARY_PRINT_ADDR:
color_fprintf(stdout, color, " %04x: ", val);
break;
case BINARY_PRINT_NUM_DATA:
color_fprintf(stdout, color, " %02x", val);
break;
case BINARY_PRINT_NUM_PAD:
color_fprintf(stdout, color, " ");
break;
case BINARY_PRINT_SEP:
color_fprintf(stdout, color, " ");
break;
case BINARY_PRINT_CHAR_DATA:
color_fprintf(stdout, color, "%c",
isprint(ch) ? ch : '.');
break;
case BINARY_PRINT_CHAR_PAD:
color_fprintf(stdout, color, " ");
break;
case BINARY_PRINT_LINE_END:
color_fprintf(stdout, color, "\n");
break;
case BINARY_PRINT_DATA_END:
printf("\n");
break;
default:
break;
}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Wang Nan | 96 | 47.76% | 1 | 25.00% |
| Frédéric Weisbecker | 72 | 35.82% | 1 | 25.00% |
| Arnaldo Carvalho de Melo | 28 | 13.93% | 1 | 25.00% |
| Andy Isaacson | 5 | 2.49% | 1 | 25.00% |
| Total | 201 | 100.00% | 4 | 100.00% |
void trace_event(union perf_event *event)
{
unsigned char *raw_event = (void *)event;
if (!dump_trace)
return;
print_binary(raw_event, event->header.size, 16,
trace_event_printer, event);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Wang Nan | 40 | 90.91% | 1 | 50.00% |
| Frédéric Weisbecker | 4 | 9.09% | 1 | 50.00% |
| Total | 44 | 100.00% | 2 | 100.00% |
static struct debug_variable {
const char *name;
int *ptr;
}
debug_variables[] = {
{ .name = "verbose", .ptr = &verbose },
{ .name = "ordered-events", .ptr = &debug_ordered_events},
{ .name = "stderr", .ptr = &redirect_to_stderr},
{ .name = "data-convert", .ptr = &debug_data_convert },
{ .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;
}
if (quiet)
v = -1;
*var->ptr = v;
free(s);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Jiri Olsa | 152 | 93.83% | 1 | 50.00% |
| Namhyung Kim | 10 | 6.17% | 1 | 50.00% |
| Total | 162 | 100.00% | 2 | 100.00% |
int perf_quiet_option(void)
{
struct debug_variable *var = &debug_variables[0];
/* disable all debug messages */
while (var->name) {
*var->ptr = -1;
var++;
}
quiet = true;
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Namhyung Kim | 44 | 97.78% | 1 | 50.00% |
| Jiri Olsa | 1 | 2.22% | 1 | 50.00% |
| Total | 45 | 100.00% | 2 | 100.00% |
#define DEBUG_WRAPPER(__n, __l) \
static int pr_ ## __n ## _wrapper(const char *fmt, ...) \
{ \
va_list args; \
int ret; \
\
va_start(args, fmt); \
ret = veprintf(__l, verbose, fmt, args); \
va_end(args); \
return ret; \
}
DEBUG_WRAPPER(warning, 0);
DEBUG_WRAPPER(debug, 1);
void perf_debug_setup(void)
{
libapi_set_print(pr_warning_wrapper, pr_warning_wrapper, pr_debug_wrapper);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Jiri Olsa | 16 | 100.00% | 1 | 100.00% |
| Total | 16 | 100.00% | 1 | 100.00% |
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Jiri Olsa | 509 | 51.68% | 6 | 24.00% |
| Frédéric Weisbecker | 188 | 19.09% | 3 | 12.00% |
| Wang Nan | 136 | 13.81% | 1 | 4.00% |
| Namhyung Kim | 65 | 6.60% | 4 | 16.00% |
| Arnaldo Carvalho de Melo | 60 | 6.09% | 8 | 32.00% |
| Andi Kleen | 20 | 2.03% | 1 | 4.00% |
| Andy Isaacson | 5 | 0.51% | 1 | 4.00% |
| Ian Munsie | 2 | 0.20% | 1 | 4.00% |
| Total | 985 | 100.00% | 25 | 100.00% |
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