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tc: red: JSON-ify RED output 

Make JSON output work with RED Qdiscs.  Float/double printing
helpers have to be added/uncommented to print the probability.
Since TC stats in general are not split out to a separate object
the xstats printed by this patch are not separated either.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David Ahern <dsahern@gmail.com>
This commit is contained in:
Jakub Kicinski 2018-01-26 11:27:56 -08:00 committed by David Ahern
parent db9fd71038
commit 097415d510
4 changed files with 28 additions and 19 deletions
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1
include/json_print.h
View File

@ -64,6 +64,7 @@ _PRINT_FUNC(hu, unsigned short);
_PRINT_FUNC(hex, unsigned int);
_PRINT_FUNC(0xhex, unsigned int);
_PRINT_FUNC(lluint, unsigned long long int);
_PRINT_FUNC(float, double);
#undef _PRINT_FUNC
#endif /* _JSON_PRINT_H_ */

1
lib/json_print.c
View File

@ -120,6 +120,7 @@ _PRINT_FUNC(int, int);
_PRINT_FUNC(hu, unsigned short);
_PRINT_FUNC(uint, uint64_t);
_PRINT_FUNC(lluint, unsigned long long int);
_PRINT_FUNC(float, double);
#undef _PRINT_FUNC
void print_color_string(enum output_type type,

4
lib/json_writer.c
View File

@ -209,12 +209,10 @@ void jsonw_float_fmt(json_writer_t *self, const char *fmt, double num)
jsonw_printf(self, fmt, num);
}
#ifdef notused
void jsonw_float(json_writer_t *self, double num)
{
jsonw_printf(self, "%g", num);
}
#endif
void jsonw_hu(json_writer_t *self, unsigned short num)
{
@ -249,13 +247,11 @@ void jsonw_bool_field(json_writer_t *self, const char *prop, bool val)
jsonw_bool(self, val);
}
#ifdef notused
void jsonw_float_field(json_writer_t *self, const char *prop, double val)
{
jsonw_name(self, prop);
jsonw_float(self, val);
}
#endif
void jsonw_float_field_fmt(json_writer_t *self,
const char *prop,

41
tc/q_red.c
View File

@ -183,23 +183,34 @@ static int red_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt)
RTA_PAYLOAD(tb[TCA_RED_MAX_P]) >= sizeof(__u32))
max_P = rta_getattr_u32(tb[TCA_RED_MAX_P]);
fprintf(f, "limit %s min %s max %s ",
sprint_size(qopt->limit, b1),
sprint_size(qopt->qth_min, b2),
sprint_size(qopt->qth_max, b3));
print_uint(PRINT_JSON, "limit", NULL, qopt->limit);
print_string(PRINT_FP, NULL, "limit %s ", sprint_size(qopt->limit, b1));
print_uint(PRINT_JSON, "min", NULL, qopt->qth_min);
print_string(PRINT_FP, NULL, "min %s ", sprint_size(qopt->qth_min, b2));
print_uint(PRINT_JSON, "max", NULL, qopt->qth_max);
print_string(PRINT_FP, NULL, "max %s ", sprint_size(qopt->qth_max, b3));
if (qopt->flags & TC_RED_ECN)
fprintf(f, "ecn ");
print_bool(PRINT_ANY, "ecn", "ecn ", true);
else
print_bool(PRINT_ANY, "ecn", NULL, false);
if (qopt->flags & TC_RED_HARDDROP)
fprintf(f, "harddrop ");
print_bool(PRINT_ANY, "harddrop", "harddrop ", true);
else
print_bool(PRINT_ANY, "harddrop", NULL, false);
if (qopt->flags & TC_RED_ADAPTATIVE)
fprintf(f, "adaptive ");
print_bool(PRINT_ANY, "adaptive", "adaptive ", true);
else
print_bool(PRINT_ANY, "adaptive", NULL, false);
if (show_details) {
fprintf(f, "ewma %u ", qopt->Wlog);
print_uint(PRINT_ANY, "ewma", "ewma %u ", qopt->Wlog);
if (max_P)
fprintf(f, "probability %lg ", max_P / pow(2, 32));
print_float(PRINT_ANY, "probability",
"probability %lg ", max_P / pow(2, 32));
else
fprintf(f, "Plog %u ", qopt->Plog);
fprintf(f, "Scell_log %u", qopt->Scell_log);
print_uint(PRINT_ANY, "Plog", "Plog %u ", qopt->Plog);
print_uint(PRINT_ANY, "Scell_log", "Scell_log %u",
qopt->Scell_log);
}
return 0;
}
@ -216,10 +227,10 @@ static int red_print_xstats(struct qdisc_util *qu, FILE *f, struct rtattr *xstat
return -1;
st = RTA_DATA(xstats);
fprintf(f, " marked %u early %u pdrop %u other %u",
st->marked, st->early, st->pdrop, st->other);
return 0;
print_uint(PRINT_ANY, "marked", " marked %u ", st->marked);
print_uint(PRINT_ANY, "early", "early %u ", st->early);
print_uint(PRINT_ANY, "pdrop", "pdrop %u ", st->pdrop);
print_uint(PRINT_ANY, "other", "other %u ", st->other);
#endif
return 0;
}