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perf tools: Introduce binary__fprintf()

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Out of print_binary() but receiving a fp pointer and expecting that the
printer be a fprintf like function, i.e. receive a FILE pointer and
return the number of characters printed.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Cc: yuzhoujian <yuzhoujian@didichuxing.com>
Link: http://lkml.kernel.org/n/tip-6oqnxr6lmgqe6q6p3iugnscx@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2017-10-17 10:35:00 -03:00
parent 7958e54149
commit 923d0c9ae5
5 changed files with 70 additions and 55 deletions
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31
tools/perf/util/debug.c
View file

@ -111,50 +111,53 @@ int dump_printf(const char *fmt, ...)
return ret;
}
static void trace_event_printer(enum binary_printer_ops op,
unsigned int val, void *extra)
static int trace_event_printer(enum binary_printer_ops op,
unsigned int val, void *extra, FILE *fp)
{
const char *color = PERF_COLOR_BLUE;
union perf_event *event = (union perf_event *)extra;
unsigned char ch = (unsigned char)val;
int printed = 0;
switch (op) {
case BINARY_PRINT_DATA_BEGIN:
printf(".");
color_fprintf(stdout, color, "\n. ... raw event: size %d bytes\n",
event->header.size);
printed += fprintf(fp, ".");
printed += color_fprintf(fp, color, "\n. ... raw event: size %d bytes\n",
event->header.size);
break;
case BINARY_PRINT_LINE_BEGIN:
printf(".");
printed += fprintf(fp, ".");
break;
case BINARY_PRINT_ADDR:
color_fprintf(stdout, color, " %04x: ", val);
printed += color_fprintf(fp, color, " %04x: ", val);
break;
case BINARY_PRINT_NUM_DATA:
color_fprintf(stdout, color, " %02x", val);
printed += color_fprintf(fp, color, " %02x", val);
break;
case BINARY_PRINT_NUM_PAD:
color_fprintf(stdout, color, " ");
printed += color_fprintf(fp, color, " ");
break;
case BINARY_PRINT_SEP:
color_fprintf(stdout, color, " ");
printed += color_fprintf(fp, color, " ");
break;
case BINARY_PRINT_CHAR_DATA:
color_fprintf(stdout, color, "%c",
printed += color_fprintf(fp, color, "%c",
isprint(ch) ? ch : '.');
break;
case BINARY_PRINT_CHAR_PAD:
color_fprintf(stdout, color, " ");
printed += color_fprintf(fp, color, " ");
break;
case BINARY_PRINT_LINE_END:
color_fprintf(stdout, color, "\n");
printed += color_fprintf(fp, color, "\n");
break;
case BINARY_PRINT_DATA_END:
printf("\n");
printed += fprintf(fp, "\n");
break;
default:
break;
}
return printed;
}
void trace_event(union perf_event *event)